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authorPaul Mundt <lethal@linux-sh.org>2012-06-21 13:44:42 +0900
committerPaul Mundt <lethal@linux-sh.org>2012-06-21 13:44:42 +0900
commit7b98cf0cf4e8798b9e7435f966ed0d90a2a925de (patch)
treea5d2a80f121a5c854773ddc85b1d9cbd6b840861 /drivers
parente1eaf354528ceb002c8e2840a55c44cd76aaaed8 (diff)
parent06d5631f56460917af3d9417ef63811cf0cad9ce (diff)
downloadop-kernel-dev-7b98cf0cf4e8798b9e7435f966ed0d90a2a925de.zip
op-kernel-dev-7b98cf0cf4e8798b9e7435f966ed0d90a2a925de.tar.gz
Merge branch 'common/pfc' into sh-latest
Diffstat (limited to 'drivers')
-rw-r--r--drivers/bcma/driver_chipcommon_pmu.c4
-rw-r--r--drivers/bcma/driver_pci.c6
-rw-r--r--drivers/bcma/sprom.c4
-rw-r--r--drivers/char/hw_random/atmel-rng.c2
-rw-r--r--drivers/edac/edac_mc.c2
-rw-r--r--drivers/edac/i7core_edac.c15
-rw-r--r--drivers/edac/mpc85xx_edac.c3
-rw-r--r--drivers/edac/sb_edac.c10
-rw-r--r--drivers/gpu/drm/i915/intel_display.c2
-rw-r--r--drivers/gpu/drm/i915/intel_dp.c60
-rw-r--r--drivers/gpu/drm/radeon/atombios_encoders.c4
-rw-r--r--drivers/gpu/drm/radeon/evergreen.c3
-rw-r--r--drivers/gpu/drm/radeon/evergreen_hdmi.c3
-rw-r--r--drivers/gpu/drm/radeon/evergreend.h1
-rw-r--r--drivers/gpu/drm/radeon/ni.c5
-rw-r--r--drivers/gpu/drm/radeon/r600.c1
-rw-r--r--drivers/gpu/drm/radeon/r600_audio.c2
-rw-r--r--drivers/gpu/drm/radeon/r600_cs.c42
-rw-r--r--drivers/gpu/drm/radeon/r600_hdmi.c7
-rw-r--r--drivers/gpu/drm/radeon/r600d.h2
-rw-r--r--drivers/gpu/drm/radeon/radeon_drv.c3
-rw-r--r--drivers/gpu/drm/radeon/radeon_pm.c10
-rw-r--r--drivers/gpu/drm/radeon/radeon_prime.c10
-rw-r--r--drivers/gpu/drm/radeon/rv770.c5
-rw-r--r--drivers/gpu/drm/radeon/rv770d.h3
-rw-r--r--drivers/gpu/drm/sis/sis_drv.c2
-rw-r--r--drivers/gpu/drm/udl/udl_drv.c15
-rw-r--r--drivers/gpu/drm/via/via_map.c3
-rw-r--r--drivers/gpu/vga/vga_switcheroo.c27
-rw-r--r--drivers/hwmon/coretemp.c33
-rw-r--r--drivers/ide/icside.c17
-rw-r--r--drivers/ide/ide-cs.c3
-rw-r--r--drivers/leds/Kconfig4
-rw-r--r--drivers/leds/led-class.c2
-rw-r--r--drivers/leds/led-core.c7
-rw-r--r--drivers/mmc/core/mmc.c2
-rw-r--r--drivers/mmc/core/sd.c6
-rw-r--r--drivers/mmc/core/sdio.c6
-rw-r--r--drivers/mmc/host/atmel-mci-regs.h14
-rw-r--r--drivers/mmc/host/atmel-mci.c12
-rw-r--r--drivers/mmc/host/dw_mmc.c36
-rw-r--r--drivers/mmc/host/mxs-mmc.c2
-rw-r--r--drivers/mmc/host/omap.c18
-rw-r--r--drivers/mmc/host/sdhci-s3c.c2
-rw-r--r--drivers/mmc/host/sdhci.c4
-rw-r--r--drivers/net/bonding/bond_main.c9
-rw-r--r--drivers/net/bonding/bond_sysfs.c8
-rw-r--r--drivers/net/can/c_can/c_can.c16
-rw-r--r--drivers/net/can/c_can/c_can.h1
-rw-r--r--drivers/net/can/cc770/cc770_platform.c2
-rw-r--r--drivers/net/dummy.c4
-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x.h15
-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c27
-rw-r--r--drivers/net/ethernet/broadcom/tg3.c3
-rw-r--r--drivers/net/ethernet/emulex/benet/be_main.c5
-rw-r--r--drivers/net/ethernet/intel/e1000e/ethtool.c6
-rw-r--r--drivers/net/ethernet/intel/e1000e/mac.c2
-rw-r--r--drivers/net/ethernet/intel/e1000e/netdev.c4
-rw-r--r--drivers/net/ethernet/intel/e1000e/phy.c8
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_main.c22
-rw-r--r--drivers/net/ethernet/marvell/mv643xx_eth.c15
-rw-r--r--drivers/net/ethernet/marvell/sky2.c10
-rw-r--r--drivers/net/ethernet/nxp/lpc_eth.c11
-rw-r--r--drivers/net/ethernet/realtek/r8169.c6
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/Kconfig4
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac.h63
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_main.c35
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c29
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c4
-rw-r--r--drivers/net/ethernet/sun/niu.c12
-rw-r--r--drivers/net/ethernet/tile/Kconfig2
-rw-r--r--drivers/net/ethernet/tile/Makefile4
-rw-r--r--drivers/net/ethernet/tile/tilegx.c1898
-rw-r--r--drivers/net/hyperv/hyperv_net.h1
-rw-r--r--drivers/net/hyperv/netvsc.c12
-rw-r--r--drivers/net/phy/icplus.c7
-rw-r--r--drivers/net/phy/mdio_bus.c2
-rw-r--r--drivers/net/usb/sierra_net.c14
-rw-r--r--drivers/net/virtio_net.c19
-rw-r--r--drivers/net/wireless/b43/b43.h4
-rw-r--r--drivers/net/wireless/b43/main.c19
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c4
-rw-r--r--drivers/net/wireless/ipw2x00/ipw2100.c20
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-6000.c23
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn-sta.c2
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-drv.c9
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-eeprom.c18
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-mac80211.c3
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-prph.h1
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-trans-pcie.c5
-rw-r--r--drivers/net/wireless/mac80211_hwsim.c22
-rw-r--r--drivers/net/wireless/mwifiex/cfg80211.c13
-rw-r--r--drivers/net/wireless/mwifiex/fw.h6
-rw-r--r--drivers/net/wireless/mwifiex/uap_cmd.c10
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00.h3
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00mac.c1
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00queue.c13
-rw-r--r--drivers/net/wireless/rtl818x/rtl8187/leds.c2
-rw-r--r--drivers/pci/pci.c5
-rw-r--r--drivers/pci/quirks.c26
-rw-r--r--drivers/pinctrl/core.c2
-rw-r--r--drivers/pinctrl/pinctrl-imx.c34
-rw-r--r--drivers/pinctrl/pinctrl-mxs.c13
-rw-r--r--drivers/pinctrl/pinctrl-nomadik.c3
-rw-r--r--drivers/pinctrl/pinctrl-sirf.c2
-rw-r--r--drivers/regulator/ab8500.c22
-rw-r--r--drivers/regulator/db8500-prcmu.c40
-rw-r--r--drivers/regulator/s5m8767.c2
-rw-r--r--drivers/remoteproc/omap_remoteproc.c2
-rw-r--r--drivers/remoteproc/remoteproc_core.c10
-rw-r--r--drivers/scsi/mpt2sas/mpt2sas_base.c2
-rw-r--r--drivers/scsi/qla2xxx/qla_target.c11
-rw-r--r--drivers/scsi/qla2xxx/qla_target.h1
-rw-r--r--drivers/scsi/qla2xxx/tcm_qla2xxx.c152
-rw-r--r--drivers/scsi/scsi.c4
-rw-r--r--drivers/sh/Kconfig15
-rw-r--r--drivers/sh/Makefile3
-rw-r--r--drivers/sh/pfc-gpio.c309
-rw-r--r--drivers/sh/pfc.c379
-rw-r--r--drivers/target/target_core_alua.c5
-rw-r--r--drivers/target/target_core_transport.c8
-rw-r--r--drivers/tty/hvc/hvc_xen.c31
-rw-r--r--drivers/usb/class/cdc-acm.c8
-rw-r--r--drivers/usb/class/cdc-wdm.c9
-rw-r--r--drivers/usb/core/hcd-pci.c9
-rw-r--r--drivers/usb/core/hub.c2
-rw-r--r--drivers/usb/core/message.c3
-rw-r--r--drivers/usb/gadget/atmel_usba_udc.c6
-rw-r--r--drivers/usb/gadget/fsl_qe_udc.c2
-rw-r--r--drivers/usb/gadget/fsl_udc_core.c4
-rw-r--r--drivers/usb/gadget/fsl_usb2_udc.h4
-rw-r--r--drivers/usb/gadget/goku_udc.c2
-rw-r--r--drivers/usb/gadget/mv_udc_core.c2
-rw-r--r--drivers/usb/gadget/omap_udc.c2
-rw-r--r--drivers/usb/gadget/pxa25x_udc.c2
-rw-r--r--drivers/usb/gadget/s3c-hsudc.c2
-rw-r--r--drivers/usb/gadget/s3c2410_udc.c2
-rw-r--r--drivers/usb/host/ehci-hcd.c2
-rw-r--r--drivers/usb/host/ehci-omap.c168
-rw-r--r--drivers/usb/host/ehci-pci.c8
-rw-r--r--drivers/usb/host/ehci-sh.c3
-rw-r--r--drivers/usb/host/ehci-xilinx-of.c4
-rw-r--r--drivers/usb/host/ohci-hub.c2
-rw-r--r--drivers/usb/host/xhci-mem.c74
-rw-r--r--drivers/usb/host/xhci.c10
-rw-r--r--drivers/usb/musb/davinci.c1
-rw-r--r--drivers/usb/musb/davinci.h4
-rw-r--r--drivers/usb/musb/musb_gadget.c1
-rw-r--r--drivers/usb/serial/cp210x.c1
-rw-r--r--drivers/usb/serial/ftdi_sio.c1
-rw-r--r--drivers/usb/serial/ftdi_sio_ids.h1
-rw-r--r--drivers/usb/serial/generic.c10
-rw-r--r--drivers/usb/serial/mct_u232.c13
-rw-r--r--drivers/usb/serial/mos7840.c2
-rw-r--r--drivers/usb/serial/option.c96
-rw-r--r--drivers/usb/serial/qcserial.c6
-rw-r--r--drivers/usb/serial/sierra.c4
-rw-r--r--drivers/usb/serial/usb-serial.c12
-rw-r--r--drivers/usb/storage/unusual_devs.h7
-rw-r--r--drivers/video/backlight/Kconfig2
-rw-r--r--drivers/video/backlight/ili9320.c2
-rw-r--r--drivers/video/bfin_adv7393fb.c6
-rw-r--r--drivers/video/broadsheetfb.c2
-rw-r--r--drivers/video/console/Kconfig14
-rw-r--r--drivers/video/mbx/mbxfb.c2
-rw-r--r--drivers/video/omap2/displays/panel-taal.c2
-rw-r--r--drivers/video/omap2/dss/core.c3
-rw-r--r--drivers/video/omap2/dss/dsi.c2
-rw-r--r--drivers/video/omap2/dss/dss.c2
-rw-r--r--drivers/video/s3c-fb.c12
-rw-r--r--drivers/video/savage/savagefb_driver.c10
-rw-r--r--drivers/xen/events.c9
-rw-r--r--drivers/xen/pci.c2
173 files changed, 3563 insertions, 959 deletions
diff --git a/drivers/bcma/driver_chipcommon_pmu.c b/drivers/bcma/driver_chipcommon_pmu.c
index a058842..61ce405 100644
--- a/drivers/bcma/driver_chipcommon_pmu.c
+++ b/drivers/bcma/driver_chipcommon_pmu.c
@@ -139,7 +139,9 @@ void bcma_pmu_workarounds(struct bcma_drv_cc *cc)
bcma_chipco_chipctl_maskset(cc, 0, ~0, 0x7);
break;
case 0x4331:
- /* BCM4331 workaround is SPROM-related, we put it in sprom.c */
+ case 43431:
+ /* Ext PA lines must be enabled for tx on BCM4331 */
+ bcma_chipco_bcm4331_ext_pa_lines_ctl(cc, true);
break;
case 43224:
if (bus->chipinfo.rev == 0) {
diff --git a/drivers/bcma/driver_pci.c b/drivers/bcma/driver_pci.c
index 9a96f14..c32ebd5 100644
--- a/drivers/bcma/driver_pci.c
+++ b/drivers/bcma/driver_pci.c
@@ -232,17 +232,19 @@ void __devinit bcma_core_pci_init(struct bcma_drv_pci *pc)
int bcma_core_pci_irq_ctl(struct bcma_drv_pci *pc, struct bcma_device *core,
bool enable)
{
- struct pci_dev *pdev = pc->core->bus->host_pci;
+ struct pci_dev *pdev;
u32 coremask, tmp;
int err = 0;
- if (core->bus->hosttype != BCMA_HOSTTYPE_PCI) {
+ if (!pc || core->bus->hosttype != BCMA_HOSTTYPE_PCI) {
/* This bcma device is not on a PCI host-bus. So the IRQs are
* not routed through the PCI core.
* So we must not enable routing through the PCI core. */
goto out;
}
+ pdev = pc->core->bus->host_pci;
+
err = pci_read_config_dword(pdev, BCMA_PCI_IRQMASK, &tmp);
if (err)
goto out;
diff --git a/drivers/bcma/sprom.c b/drivers/bcma/sprom.c
index c7f9335..f16f42d3 100644
--- a/drivers/bcma/sprom.c
+++ b/drivers/bcma/sprom.c
@@ -579,13 +579,13 @@ int bcma_sprom_get(struct bcma_bus *bus)
if (!sprom)
return -ENOMEM;
- if (bus->chipinfo.id == 0x4331)
+ if (bus->chipinfo.id == 0x4331 || bus->chipinfo.id == 43431)
bcma_chipco_bcm4331_ext_pa_lines_ctl(&bus->drv_cc, false);
pr_debug("SPROM offset 0x%x\n", offset);
bcma_sprom_read(bus, offset, sprom);
- if (bus->chipinfo.id == 0x4331)
+ if (bus->chipinfo.id == 0x4331 || bus->chipinfo.id == 43431)
bcma_chipco_bcm4331_ext_pa_lines_ctl(&bus->drv_cc, true);
err = bcma_sprom_valid(sprom);
diff --git a/drivers/char/hw_random/atmel-rng.c b/drivers/char/hw_random/atmel-rng.c
index 6289f0e..731c904 100644
--- a/drivers/char/hw_random/atmel-rng.c
+++ b/drivers/char/hw_random/atmel-rng.c
@@ -34,7 +34,7 @@ static int atmel_trng_read(struct hwrng *rng, void *buf, size_t max,
u32 *data = buf;
/* data ready? */
- if (readl(trng->base + TRNG_ODATA) & 1) {
+ if (readl(trng->base + TRNG_ISR) & 1) {
*data = readl(trng->base + TRNG_ODATA);
/*
ensure data ready is only set again AFTER the next data
diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c
index 10f3750..de5ba86e 100644
--- a/drivers/edac/edac_mc.c
+++ b/drivers/edac/edac_mc.c
@@ -164,7 +164,7 @@ void *edac_align_ptr(void **p, unsigned size, int n_elems)
else
return (char *)ptr;
- r = size % align;
+ r = (unsigned long)p % align;
if (r == 0)
return (char *)ptr;
diff --git a/drivers/edac/i7core_edac.c b/drivers/edac/i7core_edac.c
index d27778f..a499c7e 100644
--- a/drivers/edac/i7core_edac.c
+++ b/drivers/edac/i7core_edac.c
@@ -1814,12 +1814,6 @@ static int i7core_mce_check_error(struct notifier_block *nb, unsigned long val,
if (mce->bank != 8)
return NOTIFY_DONE;
-#ifdef CONFIG_SMP
- /* Only handle if it is the right mc controller */
- if (mce->socketid != pvt->i7core_dev->socket)
- return NOTIFY_DONE;
-#endif
-
smp_rmb();
if ((pvt->mce_out + 1) % MCE_LOG_LEN == pvt->mce_in) {
smp_wmb();
@@ -2116,8 +2110,6 @@ static void i7core_unregister_mci(struct i7core_dev *i7core_dev)
if (pvt->enable_scrub)
disable_sdram_scrub_setting(mci);
- mce_unregister_decode_chain(&i7_mce_dec);
-
/* Disable EDAC polling */
i7core_pci_ctl_release(pvt);
@@ -2222,8 +2214,6 @@ static int i7core_register_mci(struct i7core_dev *i7core_dev)
/* DCLK for scrub rate setting */
pvt->dclk_freq = get_dclk_freq();
- mce_register_decode_chain(&i7_mce_dec);
-
return 0;
fail0:
@@ -2367,8 +2357,10 @@ static int __init i7core_init(void)
pci_rc = pci_register_driver(&i7core_driver);
- if (pci_rc >= 0)
+ if (pci_rc >= 0) {
+ mce_register_decode_chain(&i7_mce_dec);
return 0;
+ }
i7core_printk(KERN_ERR, "Failed to register device with error %d.\n",
pci_rc);
@@ -2384,6 +2376,7 @@ static void __exit i7core_exit(void)
{
debugf2("MC: " __FILE__ ": %s()\n", __func__);
pci_unregister_driver(&i7core_driver);
+ mce_unregister_decode_chain(&i7_mce_dec);
}
module_init(i7core_init);
diff --git a/drivers/edac/mpc85xx_edac.c b/drivers/edac/mpc85xx_edac.c
index 4c40235..0e37462 100644
--- a/drivers/edac/mpc85xx_edac.c
+++ b/drivers/edac/mpc85xx_edac.c
@@ -980,7 +980,8 @@ static int __devinit mpc85xx_mc_err_probe(struct platform_device *op)
layers[1].type = EDAC_MC_LAYER_CHANNEL;
layers[1].size = 1;
layers[1].is_virt_csrow = false;
- mci = edac_mc_alloc(edac_mc_idx, ARRAY_SIZE(layers), sizeof(*pdata));
+ mci = edac_mc_alloc(edac_mc_idx, ARRAY_SIZE(layers), layers,
+ sizeof(*pdata));
if (!mci) {
devres_release_group(&op->dev, mpc85xx_mc_err_probe);
return -ENOMEM;
diff --git a/drivers/edac/sb_edac.c b/drivers/edac/sb_edac.c
index 4adaf4b..36ad17e 100644
--- a/drivers/edac/sb_edac.c
+++ b/drivers/edac/sb_edac.c
@@ -555,7 +555,7 @@ static int get_dimm_config(struct mem_ctl_info *mci)
pvt->is_close_pg = false;
}
- pci_read_config_dword(pvt->pci_ta, RANK_CFG_A, &reg);
+ pci_read_config_dword(pvt->pci_ddrio, RANK_CFG_A, &reg);
if (IS_RDIMM_ENABLED(reg)) {
/* FIXME: Can also be LRDIMM */
debugf0("Memory is registered\n");
@@ -1604,8 +1604,6 @@ static void sbridge_unregister_mci(struct sbridge_dev *sbridge_dev)
debugf0("MC: " __FILE__ ": %s(): mci = %p, dev = %p\n",
__func__, mci, &sbridge_dev->pdev[0]->dev);
- mce_unregister_decode_chain(&sbridge_mce_dec);
-
/* Remove MC sysfs nodes */
edac_mc_del_mc(mci->dev);
@@ -1682,7 +1680,6 @@ static int sbridge_register_mci(struct sbridge_dev *sbridge_dev)
goto fail0;
}
- mce_register_decode_chain(&sbridge_mce_dec);
return 0;
fail0:
@@ -1811,8 +1808,10 @@ static int __init sbridge_init(void)
pci_rc = pci_register_driver(&sbridge_driver);
- if (pci_rc >= 0)
+ if (pci_rc >= 0) {
+ mce_register_decode_chain(&sbridge_mce_dec);
return 0;
+ }
sbridge_printk(KERN_ERR, "Failed to register device with error %d.\n",
pci_rc);
@@ -1828,6 +1827,7 @@ static void __exit sbridge_exit(void)
{
debugf2("MC: " __FILE__ ": %s()\n", __func__);
pci_unregister_driver(&sbridge_driver);
+ mce_unregister_decode_chain(&sbridge_mce_dec);
}
module_init(sbridge_init);
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index e0aa064..a7c727d 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -6558,7 +6558,7 @@ static void intel_setup_outputs(struct drm_device *dev)
if (I915_READ(HDMIC) & PORT_DETECTED)
intel_hdmi_init(dev, HDMIC);
- if (I915_READ(HDMID) & PORT_DETECTED)
+ if (!dpd_is_edp && I915_READ(HDMID) & PORT_DETECTED)
intel_hdmi_init(dev, HDMID);
if (I915_READ(PCH_DP_C) & DP_DETECTED)
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 296cfc2..c044932 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -32,6 +32,7 @@
#include "drm.h"
#include "drm_crtc.h"
#include "drm_crtc_helper.h"
+#include "drm_edid.h"
#include "intel_drv.h"
#include "i915_drm.h"
#include "i915_drv.h"
@@ -67,6 +68,8 @@ struct intel_dp {
struct drm_display_mode *panel_fixed_mode; /* for eDP */
struct delayed_work panel_vdd_work;
bool want_panel_vdd;
+ struct edid *edid; /* cached EDID for eDP */
+ int edid_mode_count;
};
/**
@@ -371,7 +374,7 @@ intel_dp_aux_ch(struct intel_dp *intel_dp,
int recv_bytes;
uint32_t status;
uint32_t aux_clock_divider;
- int try, precharge = 5;
+ int try, precharge;
intel_dp_check_edp(intel_dp);
/* The clock divider is based off the hrawclk,
@@ -391,6 +394,11 @@ intel_dp_aux_ch(struct intel_dp *intel_dp,
else
aux_clock_divider = intel_hrawclk(dev) / 2;
+ if (IS_GEN6(dev))
+ precharge = 3;
+ else
+ precharge = 5;
+
/* Try to wait for any previous AUX channel activity */
for (try = 0; try < 3; try++) {
status = I915_READ(ch_ctl);
@@ -1973,6 +1981,8 @@ intel_dp_probe_oui(struct intel_dp *intel_dp)
if (!(intel_dp->dpcd[DP_DOWN_STREAM_PORT_COUNT] & DP_OUI_SUPPORT))
return;
+ ironlake_edp_panel_vdd_on(intel_dp);
+
if (intel_dp_aux_native_read_retry(intel_dp, DP_SINK_OUI, buf, 3))
DRM_DEBUG_KMS("Sink OUI: %02hx%02hx%02hx\n",
buf[0], buf[1], buf[2]);
@@ -1980,6 +1990,8 @@ intel_dp_probe_oui(struct intel_dp *intel_dp)
if (intel_dp_aux_native_read_retry(intel_dp, DP_BRANCH_OUI, buf, 3))
DRM_DEBUG_KMS("Branch OUI: %02hx%02hx%02hx\n",
buf[0], buf[1], buf[2]);
+
+ ironlake_edp_panel_vdd_off(intel_dp, false);
}
static bool
@@ -2116,10 +2128,22 @@ intel_dp_get_edid(struct drm_connector *connector, struct i2c_adapter *adapter)
{
struct intel_dp *intel_dp = intel_attached_dp(connector);
struct edid *edid;
+ int size;
+
+ if (is_edp(intel_dp)) {
+ if (!intel_dp->edid)
+ return NULL;
+
+ size = (intel_dp->edid->extensions + 1) * EDID_LENGTH;
+ edid = kmalloc(size, GFP_KERNEL);
+ if (!edid)
+ return NULL;
+
+ memcpy(edid, intel_dp->edid, size);
+ return edid;
+ }
- ironlake_edp_panel_vdd_on(intel_dp);
edid = drm_get_edid(connector, adapter);
- ironlake_edp_panel_vdd_off(intel_dp, false);
return edid;
}
@@ -2129,9 +2153,17 @@ intel_dp_get_edid_modes(struct drm_connector *connector, struct i2c_adapter *ada
struct intel_dp *intel_dp = intel_attached_dp(connector);
int ret;
- ironlake_edp_panel_vdd_on(intel_dp);
+ if (is_edp(intel_dp)) {
+ drm_mode_connector_update_edid_property(connector,
+ intel_dp->edid);
+ ret = drm_add_edid_modes(connector, intel_dp->edid);
+ drm_edid_to_eld(connector,
+ intel_dp->edid);
+ connector->display_info.raw_edid = NULL;
+ return intel_dp->edid_mode_count;
+ }
+
ret = intel_ddc_get_modes(connector, adapter);
- ironlake_edp_panel_vdd_off(intel_dp, false);
return ret;
}
@@ -2321,6 +2353,7 @@ static void intel_dp_encoder_destroy(struct drm_encoder *encoder)
i2c_del_adapter(&intel_dp->adapter);
drm_encoder_cleanup(encoder);
if (is_edp(intel_dp)) {
+ kfree(intel_dp->edid);
cancel_delayed_work_sync(&intel_dp->panel_vdd_work);
ironlake_panel_vdd_off_sync(intel_dp);
}
@@ -2504,11 +2537,14 @@ intel_dp_init(struct drm_device *dev, int output_reg)
break;
}
+ intel_dp_i2c_init(intel_dp, intel_connector, name);
+
/* Cache some DPCD data in the eDP case */
if (is_edp(intel_dp)) {
bool ret;
struct edp_power_seq cur, vbt;
u32 pp_on, pp_off, pp_div;
+ struct edid *edid;
pp_on = I915_READ(PCH_PP_ON_DELAYS);
pp_off = I915_READ(PCH_PP_OFF_DELAYS);
@@ -2576,9 +2612,19 @@ intel_dp_init(struct drm_device *dev, int output_reg)
intel_dp_destroy(&intel_connector->base);
return;
}
- }
- intel_dp_i2c_init(intel_dp, intel_connector, name);
+ ironlake_edp_panel_vdd_on(intel_dp);
+ edid = drm_get_edid(connector, &intel_dp->adapter);
+ if (edid) {
+ drm_mode_connector_update_edid_property(connector,
+ edid);
+ intel_dp->edid_mode_count =
+ drm_add_edid_modes(connector, edid);
+ drm_edid_to_eld(connector, edid);
+ intel_dp->edid = edid;
+ }
+ ironlake_edp_panel_vdd_off(intel_dp, false);
+ }
intel_encoder->hot_plug = intel_dp_hot_plug;
diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c
index e7b1ec5..486ccdf 100644
--- a/drivers/gpu/drm/radeon/atombios_encoders.c
+++ b/drivers/gpu/drm/radeon/atombios_encoders.c
@@ -1926,7 +1926,9 @@ radeon_atom_encoder_mode_set(struct drm_encoder *encoder,
if (atombios_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) {
r600_hdmi_enable(encoder);
- if (ASIC_IS_DCE4(rdev))
+ if (ASIC_IS_DCE6(rdev))
+ ; /* TODO (use pointers instead of if-s?) */
+ else if (ASIC_IS_DCE4(rdev))
evergreen_hdmi_setmode(encoder, adjusted_mode);
else
r600_hdmi_setmode(encoder, adjusted_mode);
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 01550d0..7fb3d2e 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -1932,6 +1932,9 @@ static void evergreen_gpu_init(struct radeon_device *rdev)
smx_dc_ctl0 |= NUMBER_OF_SETS(rdev->config.evergreen.sx_num_of_sets);
WREG32(SMX_DC_CTL0, smx_dc_ctl0);
+ if (rdev->family <= CHIP_SUMO2)
+ WREG32(SMX_SAR_CTL0, 0x00010000);
+
WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_size / 4) - 1) |
POSITION_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_pos_size / 4) - 1) |
SMX_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_smx_size / 4) - 1)));
diff --git a/drivers/gpu/drm/radeon/evergreen_hdmi.c b/drivers/gpu/drm/radeon/evergreen_hdmi.c
index a51f880..65c5416 100644
--- a/drivers/gpu/drm/radeon/evergreen_hdmi.c
+++ b/drivers/gpu/drm/radeon/evergreen_hdmi.c
@@ -156,9 +156,6 @@ void evergreen_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode
struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
uint32_t offset;
- if (ASIC_IS_DCE5(rdev))
- return;
-
/* Silent, r600_hdmi_enable will raise WARN for us */
if (!dig->afmt->enabled)
return;
diff --git a/drivers/gpu/drm/radeon/evergreend.h b/drivers/gpu/drm/radeon/evergreend.h
index 2773039..b50b15c 100644
--- a/drivers/gpu/drm/radeon/evergreend.h
+++ b/drivers/gpu/drm/radeon/evergreend.h
@@ -503,6 +503,7 @@
#define SCRATCH_UMSK 0x8540
#define SCRATCH_ADDR 0x8544
+#define SMX_SAR_CTL0 0xA008
#define SMX_DC_CTL0 0xA020
#define USE_HASH_FUNCTION (1 << 0)
#define NUMBER_OF_SETS(x) ((x) << 1)
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c
index 3186522..b7bf18e 100644
--- a/drivers/gpu/drm/radeon/ni.c
+++ b/drivers/gpu/drm/radeon/ni.c
@@ -1303,6 +1303,10 @@ static int cayman_startup(struct radeon_device *rdev)
if (r)
return r;
+ r = r600_audio_init(rdev);
+ if (r)
+ return r;
+
return 0;
}
@@ -1329,6 +1333,7 @@ int cayman_resume(struct radeon_device *rdev)
int cayman_suspend(struct radeon_device *rdev)
{
+ r600_audio_fini(rdev);
/* FIXME: we should wait for ring to be empty */
radeon_ib_pool_suspend(rdev);
radeon_vm_manager_suspend(rdev);
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index f30dc95..bff6272 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -1839,6 +1839,7 @@ void r600_gpu_init(struct radeon_device *rdev)
WREG32(PA_CL_ENHANCE, (CLIP_VTX_REORDER_ENA |
NUM_CLIP_SEQ(3)));
WREG32(PA_SC_ENHANCE, FORCE_EOV_MAX_CLK_CNT(4095));
+ WREG32(VC_ENHANCE, 0);
}
diff --git a/drivers/gpu/drm/radeon/r600_audio.c b/drivers/gpu/drm/radeon/r600_audio.c
index 7479a5c..79b5591 100644
--- a/drivers/gpu/drm/radeon/r600_audio.c
+++ b/drivers/gpu/drm/radeon/r600_audio.c
@@ -57,7 +57,7 @@ static bool radeon_dig_encoder(struct drm_encoder *encoder)
*/
static int r600_audio_chipset_supported(struct radeon_device *rdev)
{
- return (rdev->family >= CHIP_R600 && !ASIC_IS_DCE5(rdev))
+ return (rdev->family >= CHIP_R600 && !ASIC_IS_DCE6(rdev))
|| rdev->family == CHIP_RS600
|| rdev->family == CHIP_RS690
|| rdev->family == CHIP_RS740;
diff --git a/drivers/gpu/drm/radeon/r600_cs.c b/drivers/gpu/drm/radeon/r600_cs.c
index 0133f5f..ca87f7a 100644
--- a/drivers/gpu/drm/radeon/r600_cs.c
+++ b/drivers/gpu/drm/radeon/r600_cs.c
@@ -2079,6 +2079,48 @@ static int r600_packet3_check(struct radeon_cs_parser *p,
return -EINVAL;
}
break;
+ case PACKET3_STRMOUT_BASE_UPDATE:
+ if (p->family < CHIP_RV770) {
+ DRM_ERROR("STRMOUT_BASE_UPDATE only supported on 7xx\n");
+ return -EINVAL;
+ }
+ if (pkt->count != 1) {
+ DRM_ERROR("bad STRMOUT_BASE_UPDATE packet count\n");
+ return -EINVAL;
+ }
+ if (idx_value > 3) {
+ DRM_ERROR("bad STRMOUT_BASE_UPDATE index\n");
+ return -EINVAL;
+ }
+ {
+ u64 offset;
+
+ r = r600_cs_packet_next_reloc(p, &reloc);
+ if (r) {
+ DRM_ERROR("bad STRMOUT_BASE_UPDATE reloc\n");
+ return -EINVAL;
+ }
+
+ if (reloc->robj != track->vgt_strmout_bo[idx_value]) {
+ DRM_ERROR("bad STRMOUT_BASE_UPDATE, bo does not match\n");
+ return -EINVAL;
+ }
+
+ offset = radeon_get_ib_value(p, idx+1) << 8;
+ if (offset != track->vgt_strmout_bo_offset[idx_value]) {
+ DRM_ERROR("bad STRMOUT_BASE_UPDATE, bo offset does not match: 0x%llx, 0x%x\n",
+ offset, track->vgt_strmout_bo_offset[idx_value]);
+ return -EINVAL;
+ }
+
+ if ((offset + 4) > radeon_bo_size(reloc->robj)) {
+ DRM_ERROR("bad STRMOUT_BASE_UPDATE bo too small: 0x%llx, 0x%lx\n",
+ offset + 4, radeon_bo_size(reloc->robj));
+ return -EINVAL;
+ }
+ ib[idx+1] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
+ }
+ break;
case PACKET3_SURFACE_BASE_UPDATE:
if (p->family >= CHIP_RV770 || p->family == CHIP_R600) {
DRM_ERROR("bad SURFACE_BASE_UPDATE\n");
diff --git a/drivers/gpu/drm/radeon/r600_hdmi.c b/drivers/gpu/drm/radeon/r600_hdmi.c
index 969c275..82a0a4c 100644
--- a/drivers/gpu/drm/radeon/r600_hdmi.c
+++ b/drivers/gpu/drm/radeon/r600_hdmi.c
@@ -322,9 +322,6 @@ void r600_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode *mod
struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
uint32_t offset;
- if (ASIC_IS_DCE5(rdev))
- return;
-
/* Silent, r600_hdmi_enable will raise WARN for us */
if (!dig->afmt->enabled)
return;
@@ -483,7 +480,7 @@ void r600_hdmi_enable(struct drm_encoder *encoder)
uint32_t offset;
u32 hdmi;
- if (ASIC_IS_DCE5(rdev))
+ if (ASIC_IS_DCE6(rdev))
return;
/* Silent, r600_hdmi_enable will raise WARN for us */
@@ -543,7 +540,7 @@ void r600_hdmi_disable(struct drm_encoder *encoder)
struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
uint32_t offset;
- if (ASIC_IS_DCE5(rdev))
+ if (ASIC_IS_DCE6(rdev))
return;
/* Called for ATOM_ENCODER_MODE_HDMI only */
diff --git a/drivers/gpu/drm/radeon/r600d.h b/drivers/gpu/drm/radeon/r600d.h
index a0dbf1f..025fd5b 100644
--- a/drivers/gpu/drm/radeon/r600d.h
+++ b/drivers/gpu/drm/radeon/r600d.h
@@ -485,6 +485,7 @@
#define TC_L2_SIZE(x) ((x)<<5)
#define L2_DISABLE_LATE_HIT (1<<9)
+#define VC_ENHANCE 0x9714
#define VGT_CACHE_INVALIDATION 0x88C4
#define CACHE_INVALIDATION(x) ((x)<<0)
@@ -1163,6 +1164,7 @@
#define PACKET3_SET_CTL_CONST 0x6F
#define PACKET3_SET_CTL_CONST_OFFSET 0x0003cff0
#define PACKET3_SET_CTL_CONST_END 0x0003e200
+#define PACKET3_STRMOUT_BASE_UPDATE 0x72 /* r7xx */
#define PACKET3_SURFACE_BASE_UPDATE 0x73
diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
index 03e5f5d..2c4d53f 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.c
+++ b/drivers/gpu/drm/radeon/radeon_drv.c
@@ -58,9 +58,10 @@
* 2.14.0 - add evergreen tiling informations
* 2.15.0 - add max_pipes query
* 2.16.0 - fix evergreen 2D tiled surface calculation
+ * 2.17.0 - add STRMOUT_BASE_UPDATE for r7xx
*/
#define KMS_DRIVER_MAJOR 2
-#define KMS_DRIVER_MINOR 16
+#define KMS_DRIVER_MINOR 17
#define KMS_DRIVER_PATCHLEVEL 0
int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags);
int radeon_driver_unload_kms(struct drm_device *dev);
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index 0882554..5b37e28 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -801,9 +801,13 @@ static void radeon_dynpm_idle_work_handler(struct work_struct *work)
int i;
for (i = 0; i < RADEON_NUM_RINGS; ++i) {
- not_processed += radeon_fence_count_emitted(rdev, i);
- if (not_processed >= 3)
- break;
+ struct radeon_ring *ring = &rdev->ring[i];
+
+ if (ring->ready) {
+ not_processed += radeon_fence_count_emitted(rdev, i);
+ if (not_processed >= 3)
+ break;
+ }
}
if (not_processed >= 3) { /* should upclock */
diff --git a/drivers/gpu/drm/radeon/radeon_prime.c b/drivers/gpu/drm/radeon/radeon_prime.c
index 8ddab4c7..6bef46a 100644
--- a/drivers/gpu/drm/radeon/radeon_prime.c
+++ b/drivers/gpu/drm/radeon/radeon_prime.c
@@ -169,11 +169,17 @@ struct dma_buf *radeon_gem_prime_export(struct drm_device *dev,
struct radeon_bo *bo = gem_to_radeon_bo(obj);
int ret = 0;
+ ret = radeon_bo_reserve(bo, false);
+ if (unlikely(ret != 0))
+ return ERR_PTR(ret);
+
/* pin buffer into GTT */
ret = radeon_bo_pin(bo, RADEON_GEM_DOMAIN_GTT, NULL);
- if (ret)
+ if (ret) {
+ radeon_bo_unreserve(bo);
return ERR_PTR(ret);
-
+ }
+ radeon_bo_unreserve(bo);
return dma_buf_export(bo, &radeon_dmabuf_ops, obj->size, flags);
}
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
index 4ad0281..b4f51c5 100644
--- a/drivers/gpu/drm/radeon/rv770.c
+++ b/drivers/gpu/drm/radeon/rv770.c
@@ -616,6 +616,9 @@ static void rv770_gpu_init(struct radeon_device *rdev)
ACK_FLUSH_CTL(3) |
SYNC_FLUSH_CTL));
+ if (rdev->family != CHIP_RV770)
+ WREG32(SMX_SAR_CTL0, 0x00003f3f);
+
db_debug3 = RREG32(DB_DEBUG3);
db_debug3 &= ~DB_CLK_OFF_DELAY(0x1f);
switch (rdev->family) {
@@ -792,7 +795,7 @@ static void rv770_gpu_init(struct radeon_device *rdev)
WREG32(PA_CL_ENHANCE, (CLIP_VTX_REORDER_ENA |
NUM_CLIP_SEQ(3)));
-
+ WREG32(VC_ENHANCE, 0);
}
void r700_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc)
diff --git a/drivers/gpu/drm/radeon/rv770d.h b/drivers/gpu/drm/radeon/rv770d.h
index fdc0898..b0adfc5 100644
--- a/drivers/gpu/drm/radeon/rv770d.h
+++ b/drivers/gpu/drm/radeon/rv770d.h
@@ -211,6 +211,7 @@
#define SCRATCH_UMSK 0x8540
#define SCRATCH_ADDR 0x8544
+#define SMX_SAR_CTL0 0xA008
#define SMX_DC_CTL0 0xA020
#define USE_HASH_FUNCTION (1 << 0)
#define CACHE_DEPTH(x) ((x) << 1)
@@ -310,6 +311,8 @@
#define TCP_CNTL 0x9610
#define TCP_CHAN_STEER 0x9614
+#define VC_ENHANCE 0x9714
+
#define VGT_CACHE_INVALIDATION 0x88C4
#define CACHE_INVALIDATION(x) ((x)<<0)
#define VC_ONLY 0
diff --git a/drivers/gpu/drm/sis/sis_drv.c b/drivers/gpu/drm/sis/sis_drv.c
index 30d98d1..dd14cd1 100644
--- a/drivers/gpu/drm/sis/sis_drv.c
+++ b/drivers/gpu/drm/sis/sis_drv.c
@@ -47,9 +47,9 @@ static int sis_driver_load(struct drm_device *dev, unsigned long chipset)
if (dev_priv == NULL)
return -ENOMEM;
+ idr_init(&dev_priv->object_idr);
dev->dev_private = (void *)dev_priv;
dev_priv->chipset = chipset;
- idr_init(&dev->object_name_idr);
return 0;
}
diff --git a/drivers/gpu/drm/udl/udl_drv.c b/drivers/gpu/drm/udl/udl_drv.c
index 4d02c46..6e52069 100644
--- a/drivers/gpu/drm/udl/udl_drv.c
+++ b/drivers/gpu/drm/udl/udl_drv.c
@@ -13,8 +13,21 @@
static struct drm_driver driver;
+/*
+ * There are many DisplayLink-based graphics products, all with unique PIDs.
+ * So we match on DisplayLink's VID + Vendor-Defined Interface Class (0xff)
+ * We also require a match on SubClass (0x00) and Protocol (0x00),
+ * which is compatible with all known USB 2.0 era graphics chips and firmware,
+ * but allows DisplayLink to increment those for any future incompatible chips
+ */
static struct usb_device_id id_table[] = {
- {.idVendor = 0x17e9, .match_flags = USB_DEVICE_ID_MATCH_VENDOR,},
+ {.idVendor = 0x17e9, .bInterfaceClass = 0xff,
+ .bInterfaceSubClass = 0x00,
+ .bInterfaceProtocol = 0x00,
+ .match_flags = USB_DEVICE_ID_MATCH_VENDOR |
+ USB_DEVICE_ID_MATCH_INT_CLASS |
+ USB_DEVICE_ID_MATCH_INT_SUBCLASS |
+ USB_DEVICE_ID_MATCH_INT_PROTOCOL,},
{},
};
MODULE_DEVICE_TABLE(usb, id_table);
diff --git a/drivers/gpu/drm/via/via_map.c b/drivers/gpu/drm/via/via_map.c
index 1f18225..c126182 100644
--- a/drivers/gpu/drm/via/via_map.c
+++ b/drivers/gpu/drm/via/via_map.c
@@ -100,12 +100,11 @@ int via_driver_load(struct drm_device *dev, unsigned long chipset)
if (dev_priv == NULL)
return -ENOMEM;
+ idr_init(&dev_priv->object_idr);
dev->dev_private = (void *)dev_priv;
dev_priv->chipset = chipset;
- idr_init(&dev->object_name_idr);
-
pci_set_master(dev->pdev);
ret = drm_vblank_init(dev, 1);
diff --git a/drivers/gpu/vga/vga_switcheroo.c b/drivers/gpu/vga/vga_switcheroo.c
index 38f9534..5b3c7d1 100644
--- a/drivers/gpu/vga/vga_switcheroo.c
+++ b/drivers/gpu/vga/vga_switcheroo.c
@@ -190,6 +190,19 @@ find_active_client(struct list_head *head)
return NULL;
}
+int vga_switcheroo_get_client_state(struct pci_dev *pdev)
+{
+ struct vga_switcheroo_client *client;
+
+ client = find_client_from_pci(&vgasr_priv.clients, pdev);
+ if (!client)
+ return VGA_SWITCHEROO_NOT_FOUND;
+ if (!vgasr_priv.active)
+ return VGA_SWITCHEROO_INIT;
+ return client->pwr_state;
+}
+EXPORT_SYMBOL(vga_switcheroo_get_client_state);
+
void vga_switcheroo_unregister_client(struct pci_dev *pdev)
{
struct vga_switcheroo_client *client;
@@ -291,8 +304,6 @@ static int vga_switchto_stage1(struct vga_switcheroo_client *new_client)
vga_switchon(new_client);
vga_set_default_device(new_client->pdev);
- set_audio_state(new_client->id, VGA_SWITCHEROO_ON);
-
return 0;
}
@@ -308,6 +319,8 @@ static int vga_switchto_stage2(struct vga_switcheroo_client *new_client)
active->active = false;
+ set_audio_state(active->id, VGA_SWITCHEROO_OFF);
+
if (new_client->fb_info) {
struct fb_event event;
event.info = new_client->fb_info;
@@ -321,11 +334,11 @@ static int vga_switchto_stage2(struct vga_switcheroo_client *new_client)
if (new_client->ops->reprobe)
new_client->ops->reprobe(new_client->pdev);
- set_audio_state(active->id, VGA_SWITCHEROO_OFF);
-
if (active->pwr_state == VGA_SWITCHEROO_ON)
vga_switchoff(active);
+ set_audio_state(new_client->id, VGA_SWITCHEROO_ON);
+
new_client->active = true;
return 0;
}
@@ -371,8 +384,9 @@ vga_switcheroo_debugfs_write(struct file *filp, const char __user *ubuf,
/* pwr off the device not in use */
if (strncmp(usercmd, "OFF", 3) == 0) {
list_for_each_entry(client, &vgasr_priv.clients, list) {
- if (client->active)
+ if (client->active || client_is_audio(client))
continue;
+ set_audio_state(client->id, VGA_SWITCHEROO_OFF);
if (client->pwr_state == VGA_SWITCHEROO_ON)
vga_switchoff(client);
}
@@ -381,10 +395,11 @@ vga_switcheroo_debugfs_write(struct file *filp, const char __user *ubuf,
/* pwr on the device not in use */
if (strncmp(usercmd, "ON", 2) == 0) {
list_for_each_entry(client, &vgasr_priv.clients, list) {
- if (client->active)
+ if (client->active || client_is_audio(client))
continue;
if (client->pwr_state == VGA_SWITCHEROO_OFF)
vga_switchon(client);
+ set_audio_state(client->id, VGA_SWITCHEROO_ON);
}
goto out;
}
diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c
index b9d5123..7f1feb2 100644
--- a/drivers/hwmon/coretemp.c
+++ b/drivers/hwmon/coretemp.c
@@ -191,6 +191,24 @@ static ssize_t show_temp(struct device *dev,
return tdata->valid ? sprintf(buf, "%d\n", tdata->temp) : -EAGAIN;
}
+struct tjmax {
+ char const *id;
+ int tjmax;
+};
+
+static struct tjmax __cpuinitconst tjmax_table[] = {
+ { "CPU D410", 100000 },
+ { "CPU D425", 100000 },
+ { "CPU D510", 100000 },
+ { "CPU D525", 100000 },
+ { "CPU N450", 100000 },
+ { "CPU N455", 100000 },
+ { "CPU N470", 100000 },
+ { "CPU N475", 100000 },
+ { "CPU 230", 100000 },
+ { "CPU 330", 125000 },
+};
+
static int __cpuinit adjust_tjmax(struct cpuinfo_x86 *c, u32 id,
struct device *dev)
{
@@ -202,6 +220,13 @@ static int __cpuinit adjust_tjmax(struct cpuinfo_x86 *c, u32 id,
int err;
u32 eax, edx;
struct pci_dev *host_bridge;
+ int i;
+
+ /* explicit tjmax table entries override heuristics */
+ for (i = 0; i < ARRAY_SIZE(tjmax_table); i++) {
+ if (strstr(c->x86_model_id, tjmax_table[i].id))
+ return tjmax_table[i].tjmax;
+ }
/* Early chips have no MSR for TjMax */
@@ -210,7 +235,8 @@ static int __cpuinit adjust_tjmax(struct cpuinfo_x86 *c, u32 id,
/* Atom CPUs */
- if (c->x86_model == 0x1c) {
+ if (c->x86_model == 0x1c || c->x86_model == 0x26
+ || c->x86_model == 0x27) {
usemsr_ee = 0;
host_bridge = pci_get_bus_and_slot(0, PCI_DEVFN(0, 0));
@@ -223,6 +249,9 @@ static int __cpuinit adjust_tjmax(struct cpuinfo_x86 *c, u32 id,
tjmax = 90000;
pci_dev_put(host_bridge);
+ } else if (c->x86_model == 0x36) {
+ usemsr_ee = 0;
+ tjmax = 100000;
}
if (c->x86_model > 0xe && usemsr_ee) {
@@ -772,7 +801,7 @@ MODULE_DEVICE_TABLE(x86cpu, coretemp_ids);
static int __init coretemp_init(void)
{
- int i, err = -ENODEV;
+ int i, err;
/*
* CPUID.06H.EAX[0] indicates whether the CPU has thermal
diff --git a/drivers/ide/icside.c b/drivers/ide/icside.c
index 8716066..bcb507b 100644
--- a/drivers/ide/icside.c
+++ b/drivers/ide/icside.c
@@ -236,7 +236,7 @@ static const struct ide_port_ops icside_v6_no_dma_port_ops = {
*/
static void icside_set_dma_mode(ide_hwif_t *hwif, ide_drive_t *drive)
{
- unsigned long cycle_time;
+ unsigned long cycle_time = 0;
int use_dma_info = 0;
const u8 xfer_mode = drive->dma_mode;
@@ -271,9 +271,9 @@ static void icside_set_dma_mode(ide_hwif_t *hwif, ide_drive_t *drive)
ide_set_drivedata(drive, (void *)cycle_time);
- printk("%s: %s selected (peak %dMB/s)\n", drive->name,
- ide_xfer_verbose(xfer_mode),
- 2000 / (unsigned long)ide_get_drivedata(drive));
+ printk(KERN_INFO "%s: %s selected (peak %luMB/s)\n",
+ drive->name, ide_xfer_verbose(xfer_mode),
+ 2000 / (cycle_time ? cycle_time : (unsigned long) -1));
}
static const struct ide_port_ops icside_v6_port_ops = {
@@ -375,8 +375,6 @@ static const struct ide_dma_ops icside_v6_dma_ops = {
.dma_test_irq = icside_dma_test_irq,
.dma_lost_irq = ide_dma_lost_irq,
};
-#else
-#define icside_v6_dma_ops NULL
#endif
static int icside_dma_off_init(ide_hwif_t *hwif, const struct ide_port_info *d)
@@ -456,7 +454,6 @@ err_free:
static const struct ide_port_info icside_v6_port_info __initdata = {
.init_dma = icside_dma_off_init,
.port_ops = &icside_v6_no_dma_port_ops,
- .dma_ops = &icside_v6_dma_ops,
.host_flags = IDE_HFLAG_SERIALIZE | IDE_HFLAG_MMIO,
.mwdma_mask = ATA_MWDMA2,
.swdma_mask = ATA_SWDMA2,
@@ -518,11 +515,13 @@ icside_register_v6(struct icside_state *state, struct expansion_card *ec)
ecard_set_drvdata(ec, state);
+#ifdef CONFIG_BLK_DEV_IDEDMA_ICS
if (ec->dma != NO_DMA && !request_dma(ec->dma, DRV_NAME)) {
d.init_dma = icside_dma_init;
d.port_ops = &icside_v6_port_ops;
- } else
- d.dma_ops = NULL;
+ d.dma_ops = &icside_v6_dma_ops;
+ }
+#endif
ret = ide_host_register(host, &d, hws);
if (ret)
diff --git a/drivers/ide/ide-cs.c b/drivers/ide/ide-cs.c
index 28e344e..f1e922e 100644
--- a/drivers/ide/ide-cs.c
+++ b/drivers/ide/ide-cs.c
@@ -167,7 +167,8 @@ static int pcmcia_check_one_config(struct pcmcia_device *pdev, void *priv_data)
{
int *is_kme = priv_data;
- if (!(pdev->resource[0]->flags & IO_DATA_PATH_WIDTH_8)) {
+ if ((pdev->resource[0]->flags & IO_DATA_PATH_WIDTH)
+ != IO_DATA_PATH_WIDTH_8) {
pdev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH;
pdev->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO;
}
diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
index 04cb8c8..12b2b55 100644
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -379,7 +379,7 @@ config LEDS_NETXBIG
config LEDS_ASIC3
bool "LED support for the HTC ASIC3"
- depends on LEDS_CLASS
+ depends on LEDS_CLASS=y
depends on MFD_ASIC3
default y
help
@@ -390,7 +390,7 @@ config LEDS_ASIC3
config LEDS_RENESAS_TPU
bool "LED support for Renesas TPU"
- depends on LEDS_CLASS && HAVE_CLK && GENERIC_GPIO
+ depends on LEDS_CLASS=y && HAVE_CLK && GENERIC_GPIO
help
This option enables build of the LED TPU platform driver,
suitable to drive any TPU channel on newer Renesas SoCs.
diff --git a/drivers/leds/led-class.c b/drivers/leds/led-class.c
index 8ee92c8..e663e6f 100644
--- a/drivers/leds/led-class.c
+++ b/drivers/leds/led-class.c
@@ -29,7 +29,7 @@ static void led_update_brightness(struct led_classdev *led_cdev)
led_cdev->brightness = led_cdev->brightness_get(led_cdev);
}
-static ssize_t led_brightness_show(struct device *dev,
+static ssize_t led_brightness_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct led_classdev *led_cdev = dev_get_drvdata(dev);
diff --git a/drivers/leds/led-core.c b/drivers/leds/led-core.c
index d686004..d65353d 100644
--- a/drivers/leds/led-core.c
+++ b/drivers/leds/led-core.c
@@ -44,13 +44,6 @@ static void led_set_software_blink(struct led_classdev *led_cdev,
if (!led_cdev->blink_brightness)
led_cdev->blink_brightness = led_cdev->max_brightness;
- if (led_get_trigger_data(led_cdev) &&
- delay_on == led_cdev->blink_delay_on &&
- delay_off == led_cdev->blink_delay_off)
- return;
-
- led_stop_software_blink(led_cdev);
-
led_cdev->blink_delay_on = delay_on;
led_cdev->blink_delay_off = delay_off;
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index 2d4a4b7..258b203 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -1326,7 +1326,7 @@ static int mmc_suspend(struct mmc_host *host)
if (!err)
mmc_card_set_sleep(host->card);
} else if (!mmc_host_is_spi(host))
- mmc_deselect_cards(host);
+ err = mmc_deselect_cards(host);
host->card->state &= ~(MMC_STATE_HIGHSPEED | MMC_STATE_HIGHSPEED_200);
mmc_release_host(host);
diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c
index c272c686..b2b43f6 100644
--- a/drivers/mmc/core/sd.c
+++ b/drivers/mmc/core/sd.c
@@ -1075,16 +1075,18 @@ static void mmc_sd_detect(struct mmc_host *host)
*/
static int mmc_sd_suspend(struct mmc_host *host)
{
+ int err = 0;
+
BUG_ON(!host);
BUG_ON(!host->card);
mmc_claim_host(host);
if (!mmc_host_is_spi(host))
- mmc_deselect_cards(host);
+ err = mmc_deselect_cards(host);
host->card->state &= ~MMC_STATE_HIGHSPEED;
mmc_release_host(host);
- return 0;
+ return err;
}
/*
diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c
index 13d0e95..41c5fd8 100644
--- a/drivers/mmc/core/sdio.c
+++ b/drivers/mmc/core/sdio.c
@@ -218,6 +218,12 @@ static int sdio_enable_wide(struct mmc_card *card)
if (ret)
return ret;
+ if ((ctrl & SDIO_BUS_WIDTH_MASK) == SDIO_BUS_WIDTH_RESERVED)
+ pr_warning("%s: SDIO_CCCR_IF is invalid: 0x%02x\n",
+ mmc_hostname(card->host), ctrl);
+
+ /* set as 4-bit bus width */
+ ctrl &= ~SDIO_BUS_WIDTH_MASK;
ctrl |= SDIO_BUS_WIDTH_4BIT;
ret = mmc_io_rw_direct(card, 1, 0, SDIO_CCCR_IF, ctrl, NULL);
diff --git a/drivers/mmc/host/atmel-mci-regs.h b/drivers/mmc/host/atmel-mci-regs.h
index 787aba1..ab56f7d 100644
--- a/drivers/mmc/host/atmel-mci-regs.h
+++ b/drivers/mmc/host/atmel-mci-regs.h
@@ -140,4 +140,18 @@
#define atmci_writel(port,reg,value) \
__raw_writel((value), (port)->regs + reg)
+/*
+ * Fix sconfig's burst size according to atmel MCI. We need to convert them as:
+ * 1 -> 0, 4 -> 1, 8 -> 2, 16 -> 3.
+ *
+ * This can be done by finding most significant bit set.
+ */
+static inline unsigned int atmci_convert_chksize(unsigned int maxburst)
+{
+ if (maxburst > 1)
+ return fls(maxburst) - 2;
+ else
+ return 0;
+}
+
#endif /* __DRIVERS_MMC_ATMEL_MCI_H__ */
diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c
index 420aca6..f2c115e 100644
--- a/drivers/mmc/host/atmel-mci.c
+++ b/drivers/mmc/host/atmel-mci.c
@@ -910,6 +910,7 @@ atmci_prepare_data_dma(struct atmel_mci *host, struct mmc_data *data)
enum dma_data_direction direction;
enum dma_transfer_direction slave_dirn;
unsigned int sglen;
+ u32 maxburst;
u32 iflags;
data->error = -EINPROGRESS;
@@ -943,17 +944,18 @@ atmci_prepare_data_dma(struct atmel_mci *host, struct mmc_data *data)
if (!chan)
return -ENODEV;
- if (host->caps.has_dma)
- atmci_writel(host, ATMCI_DMA, ATMCI_DMA_CHKSIZE(3) | ATMCI_DMAEN);
-
if (data->flags & MMC_DATA_READ) {
direction = DMA_FROM_DEVICE;
host->dma_conf.direction = slave_dirn = DMA_DEV_TO_MEM;
+ maxburst = atmci_convert_chksize(host->dma_conf.src_maxburst);
} else {
direction = DMA_TO_DEVICE;
host->dma_conf.direction = slave_dirn = DMA_MEM_TO_DEV;
+ maxburst = atmci_convert_chksize(host->dma_conf.dst_maxburst);
}
+ atmci_writel(host, ATMCI_DMA, ATMCI_DMA_CHKSIZE(maxburst) | ATMCI_DMAEN);
+
sglen = dma_map_sg(chan->device->dev, data->sg,
data->sg_len, direction);
@@ -2314,6 +2316,8 @@ static int __init atmci_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, host);
+ setup_timer(&host->timer, atmci_timeout_timer, (unsigned long)host);
+
/* We need at least one slot to succeed */
nr_slots = 0;
ret = -ENODEV;
@@ -2352,8 +2356,6 @@ static int __init atmci_probe(struct platform_device *pdev)
}
}
- setup_timer(&host->timer, atmci_timeout_timer, (unsigned long)host);
-
dev_info(&pdev->dev,
"Atmel MCI controller at 0x%08lx irq %d, %u slots\n",
host->mapbase, irq, nr_slots);
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index 9bbf45f..1ca5e72 100644
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -418,6 +418,8 @@ static int dw_mci_idmac_init(struct dw_mci *host)
p->des3 = host->sg_dma;
p->des0 = IDMAC_DES0_ER;
+ mci_writel(host, BMOD, SDMMC_IDMAC_SWRESET);
+
/* Mask out interrupts - get Tx & Rx complete only */
mci_writel(host, IDINTEN, SDMMC_IDMAC_INT_NI | SDMMC_IDMAC_INT_RI |
SDMMC_IDMAC_INT_TI);
@@ -615,14 +617,15 @@ static void dw_mci_setup_bus(struct dw_mci_slot *slot)
u32 div;
if (slot->clock != host->current_speed) {
- if (host->bus_hz % slot->clock)
+ div = host->bus_hz / slot->clock;
+ if (host->bus_hz % slot->clock && host->bus_hz > slot->clock)
/*
* move the + 1 after the divide to prevent
* over-clocking the card.
*/
- div = ((host->bus_hz / slot->clock) >> 1) + 1;
- else
- div = (host->bus_hz / slot->clock) >> 1;
+ div += 1;
+
+ div = (host->bus_hz != slot->clock) ? DIV_ROUND_UP(div, 2) : 0;
dev_info(&slot->mmc->class_dev,
"Bus speed (slot %d) = %dHz (slot req %dHz, actual %dHZ"
@@ -939,8 +942,8 @@ static void dw_mci_command_complete(struct dw_mci *host, struct mmc_command *cmd
mdelay(20);
if (cmd->data) {
- host->data = NULL;
dw_mci_stop_dma(host);
+ host->data = NULL;
}
}
}
@@ -1623,7 +1626,6 @@ static irqreturn_t dw_mci_interrupt(int irq, void *dev_id)
if (pending & (SDMMC_IDMAC_INT_TI | SDMMC_IDMAC_INT_RI)) {
mci_writel(host, IDSTS, SDMMC_IDMAC_INT_TI | SDMMC_IDMAC_INT_RI);
mci_writel(host, IDSTS, SDMMC_IDMAC_INT_NI);
- set_bit(EVENT_DATA_COMPLETE, &host->pending_events);
host->dma_ops->complete(host);
}
#endif
@@ -1725,7 +1727,8 @@ static void dw_mci_work_routine_card(struct work_struct *work)
#ifdef CONFIG_MMC_DW_IDMAC
ctrl = mci_readl(host, BMOD);
- ctrl |= 0x01; /* Software reset of DMA */
+ /* Software reset of DMA */
+ ctrl |= SDMMC_IDMAC_SWRESET;
mci_writel(host, BMOD, ctrl);
#endif
@@ -1950,10 +1953,6 @@ int dw_mci_probe(struct dw_mci *host)
spin_lock_init(&host->lock);
INIT_LIST_HEAD(&host->queue);
-
- host->dma_ops = host->pdata->dma_ops;
- dw_mci_init_dma(host);
-
/*
* Get the host data width - this assumes that HCON has been set with
* the correct values.
@@ -1981,10 +1980,11 @@ int dw_mci_probe(struct dw_mci *host)
}
/* Reset all blocks */
- if (!mci_wait_reset(&host->dev, host)) {
- ret = -ENODEV;
- goto err_dmaunmap;
- }
+ if (!mci_wait_reset(&host->dev, host))
+ return -ENODEV;
+
+ host->dma_ops = host->pdata->dma_ops;
+ dw_mci_init_dma(host);
/* Clear the interrupts for the host controller */
mci_writel(host, RINTSTS, 0xFFFFFFFF);
@@ -2170,14 +2170,14 @@ int dw_mci_resume(struct dw_mci *host)
if (host->vmmc)
regulator_enable(host->vmmc);
- if (host->dma_ops->init)
- host->dma_ops->init(host);
-
if (!mci_wait_reset(&host->dev, host)) {
ret = -ENODEV;
return ret;
}
+ if (host->dma_ops->init)
+ host->dma_ops->init(host);
+
/* Restore the old value at FIFOTH register */
mci_writel(host, FIFOTH, host->fifoth_val);
diff --git a/drivers/mmc/host/mxs-mmc.c b/drivers/mmc/host/mxs-mmc.c
index 34a9026..277161d 100644
--- a/drivers/mmc/host/mxs-mmc.c
+++ b/drivers/mmc/host/mxs-mmc.c
@@ -894,8 +894,8 @@ static struct platform_driver mxs_mmc_driver = {
.owner = THIS_MODULE,
#ifdef CONFIG_PM
.pm = &mxs_mmc_pm_ops,
- .of_match_table = mxs_mmc_dt_ids,
#endif
+ .of_match_table = mxs_mmc_dt_ids,
},
};
diff --git a/drivers/mmc/host/omap.c b/drivers/mmc/host/omap.c
index 552196c..3e8dcf8 100644
--- a/drivers/mmc/host/omap.c
+++ b/drivers/mmc/host/omap.c
@@ -1300,7 +1300,7 @@ static const struct mmc_host_ops mmc_omap_ops = {
.set_ios = mmc_omap_set_ios,
};
-static int __init mmc_omap_new_slot(struct mmc_omap_host *host, int id)
+static int __devinit mmc_omap_new_slot(struct mmc_omap_host *host, int id)
{
struct mmc_omap_slot *slot = NULL;
struct mmc_host *mmc;
@@ -1485,24 +1485,26 @@ static int __devinit mmc_omap_probe(struct platform_device *pdev)
}
host->nr_slots = pdata->nr_slots;
+ host->reg_shift = (cpu_is_omap7xx() ? 1 : 2);
+
+ host->mmc_omap_wq = alloc_workqueue("mmc_omap", 0, 0);
+ if (!host->mmc_omap_wq)
+ goto err_plat_cleanup;
+
for (i = 0; i < pdata->nr_slots; i++) {
ret = mmc_omap_new_slot(host, i);
if (ret < 0) {
while (--i >= 0)
mmc_omap_remove_slot(host->slots[i]);
- goto err_plat_cleanup;
+ goto err_destroy_wq;
}
}
- host->reg_shift = (cpu_is_omap7xx() ? 1 : 2);
-
- host->mmc_omap_wq = alloc_workqueue("mmc_omap", 0, 0);
- if (!host->mmc_omap_wq)
- goto err_plat_cleanup;
-
return 0;
+err_destroy_wq:
+ destroy_workqueue(host->mmc_omap_wq);
err_plat_cleanup:
if (pdata->cleanup)
pdata->cleanup(&pdev->dev);
diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c
index 55a164f..a50c205 100644
--- a/drivers/mmc/host/sdhci-s3c.c
+++ b/drivers/mmc/host/sdhci-s3c.c
@@ -404,7 +404,7 @@ static void sdhci_s3c_setup_card_detect_gpio(struct sdhci_s3c *sc)
if (sc->ext_cd_irq &&
request_threaded_irq(sc->ext_cd_irq, NULL,
sdhci_s3c_gpio_card_detect_thread,
- IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
+ IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
dev_name(dev), sc) == 0) {
int status = gpio_get_value(sc->ext_cd_gpio);
if (pdata->ext_cd_gpio_invert)
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index e626732..f4b8b4d 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -680,8 +680,8 @@ static u8 sdhci_calc_timeout(struct sdhci_host *host, struct mmc_command *cmd)
}
if (count >= 0xF) {
- pr_warning("%s: Too large timeout 0x%x requested for CMD%d!\n",
- mmc_hostname(host->mmc), count, cmd->opcode);
+ DBG("%s: Too large timeout 0x%x requested for CMD%d!\n",
+ mmc_hostname(host->mmc), count, cmd->opcode);
count = 0xE;
}
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 2ee8cf9..b9c2ae6 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -76,6 +76,7 @@
#include <net/route.h>
#include <net/net_namespace.h>
#include <net/netns/generic.h>
+#include <net/pkt_sched.h>
#include "bonding.h"
#include "bond_3ad.h"
#include "bond_alb.h"
@@ -381,8 +382,6 @@ struct vlan_entry *bond_next_vlan(struct bonding *bond, struct vlan_entry *curr)
return next;
}
-#define bond_queue_mapping(skb) (*(u16 *)((skb)->cb))
-
/**
* bond_dev_queue_xmit - Prepare skb for xmit.
*
@@ -395,7 +394,9 @@ int bond_dev_queue_xmit(struct bonding *bond, struct sk_buff *skb,
{
skb->dev = slave_dev;
- skb->queue_mapping = bond_queue_mapping(skb);
+ BUILD_BUG_ON(sizeof(skb->queue_mapping) !=
+ sizeof(qdisc_skb_cb(skb)->bond_queue_mapping));
+ skb->queue_mapping = qdisc_skb_cb(skb)->bond_queue_mapping;
if (unlikely(netpoll_tx_running(slave_dev)))
bond_netpoll_send_skb(bond_get_slave_by_dev(bond, slave_dev), skb);
@@ -4171,7 +4172,7 @@ static u16 bond_select_queue(struct net_device *dev, struct sk_buff *skb)
/*
* Save the original txq to restore before passing to the driver
*/
- bond_queue_mapping(skb) = skb->queue_mapping;
+ qdisc_skb_cb(skb)->bond_queue_mapping = skb->queue_mapping;
if (unlikely(txq >= dev->real_num_tx_queues)) {
do {
diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c
index aef42f0..485bedb 100644
--- a/drivers/net/bonding/bond_sysfs.c
+++ b/drivers/net/bonding/bond_sysfs.c
@@ -1082,8 +1082,12 @@ static ssize_t bonding_store_primary(struct device *d,
}
}
- pr_info("%s: Unable to set %.*s as primary slave.\n",
- bond->dev->name, (int)strlen(buf) - 1, buf);
+ strncpy(bond->params.primary, ifname, IFNAMSIZ);
+ bond->params.primary[IFNAMSIZ - 1] = 0;
+
+ pr_info("%s: Recording %s as primary, "
+ "but it has not been enslaved to %s yet.\n",
+ bond->dev->name, ifname, bond->dev->name);
out:
write_unlock_bh(&bond->curr_slave_lock);
read_unlock(&bond->lock);
diff --git a/drivers/net/can/c_can/c_can.c b/drivers/net/can/c_can/c_can.c
index 536bda0..8dc84d6 100644
--- a/drivers/net/can/c_can/c_can.c
+++ b/drivers/net/can/c_can/c_can.c
@@ -686,7 +686,7 @@ static int c_can_get_berr_counter(const struct net_device *dev,
*
* We iterate from priv->tx_echo to priv->tx_next and check if the
* packet has been transmitted, echo it back to the CAN framework.
- * If we discover a not yet transmitted package, stop looking for more.
+ * If we discover a not yet transmitted packet, stop looking for more.
*/
static void c_can_do_tx(struct net_device *dev)
{
@@ -698,7 +698,7 @@ static void c_can_do_tx(struct net_device *dev)
for (/* nix */; (priv->tx_next - priv->tx_echo) > 0; priv->tx_echo++) {
msg_obj_no = get_tx_echo_msg_obj(priv);
val = c_can_read_reg32(priv, &priv->regs->txrqst1);
- if (!(val & (1 << msg_obj_no))) {
+ if (!(val & (1 << (msg_obj_no - 1)))) {
can_get_echo_skb(dev,
msg_obj_no - C_CAN_MSG_OBJ_TX_FIRST);
stats->tx_bytes += priv->read_reg(priv,
@@ -706,6 +706,8 @@ static void c_can_do_tx(struct net_device *dev)
& IF_MCONT_DLC_MASK;
stats->tx_packets++;
c_can_inval_msg_object(dev, 0, msg_obj_no);
+ } else {
+ break;
}
}
@@ -950,7 +952,7 @@ static int c_can_poll(struct napi_struct *napi, int quota)
struct net_device *dev = napi->dev;
struct c_can_priv *priv = netdev_priv(dev);
- irqstatus = priv->read_reg(priv, &priv->regs->interrupt);
+ irqstatus = priv->irqstatus;
if (!irqstatus)
goto end;
@@ -1028,12 +1030,11 @@ end:
static irqreturn_t c_can_isr(int irq, void *dev_id)
{
- u16 irqstatus;
struct net_device *dev = (struct net_device *)dev_id;
struct c_can_priv *priv = netdev_priv(dev);
- irqstatus = priv->read_reg(priv, &priv->regs->interrupt);
- if (!irqstatus)
+ priv->irqstatus = priv->read_reg(priv, &priv->regs->interrupt);
+ if (!priv->irqstatus)
return IRQ_NONE;
/* disable all interrupts and schedule the NAPI */
@@ -1063,10 +1064,11 @@ static int c_can_open(struct net_device *dev)
goto exit_irq_fail;
}
+ napi_enable(&priv->napi);
+
/* start the c_can controller */
c_can_start(dev);
- napi_enable(&priv->napi);
netif_start_queue(dev);
return 0;
diff --git a/drivers/net/can/c_can/c_can.h b/drivers/net/can/c_can/c_can.h
index 9b7fbef..5f32d34 100644
--- a/drivers/net/can/c_can/c_can.h
+++ b/drivers/net/can/c_can/c_can.h
@@ -76,6 +76,7 @@ struct c_can_priv {
unsigned int tx_next;
unsigned int tx_echo;
void *priv; /* for board-specific data */
+ u16 irqstatus;
};
struct net_device *alloc_c_can_dev(void);
diff --git a/drivers/net/can/cc770/cc770_platform.c b/drivers/net/can/cc770/cc770_platform.c
index 53115ee..688371c 100644
--- a/drivers/net/can/cc770/cc770_platform.c
+++ b/drivers/net/can/cc770/cc770_platform.c
@@ -154,7 +154,7 @@ static int __devinit cc770_get_platform_data(struct platform_device *pdev,
struct cc770_platform_data *pdata = pdev->dev.platform_data;
priv->can.clock.freq = pdata->osc_freq;
- if (priv->cpu_interface | CPUIF_DSC)
+ if (priv->cpu_interface & CPUIF_DSC)
priv->can.clock.freq /= 2;
priv->clkout = pdata->cor;
priv->bus_config = pdata->bcr;
diff --git a/drivers/net/dummy.c b/drivers/net/dummy.c
index 442d91a..bab0158 100644
--- a/drivers/net/dummy.c
+++ b/drivers/net/dummy.c
@@ -187,8 +187,10 @@ static int __init dummy_init_module(void)
rtnl_lock();
err = __rtnl_link_register(&dummy_link_ops);
- for (i = 0; i < numdummies && !err; i++)
+ for (i = 0; i < numdummies && !err; i++) {
err = dummy_init_one();
+ cond_resched();
+ }
if (err < 0)
__rtnl_link_unregister(&dummy_link_ops);
rtnl_unlock();
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
index e30e2a2..7de8241 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
@@ -747,21 +747,6 @@ struct bnx2x_fastpath {
#define ETH_RX_ERROR_FALGS ETH_FAST_PATH_RX_CQE_PHY_DECODE_ERR_FLG
-#define BNX2X_IP_CSUM_ERR(cqe) \
- (!((cqe)->fast_path_cqe.status_flags & \
- ETH_FAST_PATH_RX_CQE_IP_XSUM_NO_VALIDATION_FLG) && \
- ((cqe)->fast_path_cqe.type_error_flags & \
- ETH_FAST_PATH_RX_CQE_IP_BAD_XSUM_FLG))
-
-#define BNX2X_L4_CSUM_ERR(cqe) \
- (!((cqe)->fast_path_cqe.status_flags & \
- ETH_FAST_PATH_RX_CQE_L4_XSUM_NO_VALIDATION_FLG) && \
- ((cqe)->fast_path_cqe.type_error_flags & \
- ETH_FAST_PATH_RX_CQE_L4_BAD_XSUM_FLG))
-
-#define BNX2X_RX_CSUM_OK(cqe) \
- (!(BNX2X_L4_CSUM_ERR(cqe) || BNX2X_IP_CSUM_ERR(cqe)))
-
#define BNX2X_PRS_FLAG_OVERETH_IPV4(flags) \
(((le16_to_cpu(flags) & \
PARSING_FLAGS_OVER_ETHERNET_PROTOCOL) >> \
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
index ad0743b..cbc56f2 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
@@ -617,6 +617,25 @@ static int bnx2x_alloc_rx_data(struct bnx2x *bp,
return 0;
}
+static void bnx2x_csum_validate(struct sk_buff *skb, union eth_rx_cqe *cqe,
+ struct bnx2x_fastpath *fp)
+{
+ /* Do nothing if no IP/L4 csum validation was done */
+
+ if (cqe->fast_path_cqe.status_flags &
+ (ETH_FAST_PATH_RX_CQE_IP_XSUM_NO_VALIDATION_FLG |
+ ETH_FAST_PATH_RX_CQE_L4_XSUM_NO_VALIDATION_FLG))
+ return;
+
+ /* If both IP/L4 validation were done, check if an error was found. */
+
+ if (cqe->fast_path_cqe.type_error_flags &
+ (ETH_FAST_PATH_RX_CQE_IP_BAD_XSUM_FLG |
+ ETH_FAST_PATH_RX_CQE_L4_BAD_XSUM_FLG))
+ fp->eth_q_stats.hw_csum_err++;
+ else
+ skb->ip_summed = CHECKSUM_UNNECESSARY;
+}
int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget)
{
@@ -806,13 +825,9 @@ reuse_rx:
skb_checksum_none_assert(skb);
- if (bp->dev->features & NETIF_F_RXCSUM) {
+ if (bp->dev->features & NETIF_F_RXCSUM)
+ bnx2x_csum_validate(skb, cqe, fp);
- if (likely(BNX2X_RX_CSUM_OK(cqe)))
- skb->ip_summed = CHECKSUM_UNNECESSARY;
- else
- fp->eth_q_stats.hw_csum_err++;
- }
skb_record_rx_queue(skb, fp->rx_queue);
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index edeeb51..e47ff8b 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -14275,7 +14275,8 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
}
}
- if (tg3_flag(tp, 5755_PLUS))
+ if (tg3_flag(tp, 5755_PLUS) ||
+ GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
tg3_flag_set(tp, SHORT_DMA_BUG);
if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719)
diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c
index 08efd30..fdb50ce 100644
--- a/drivers/net/ethernet/emulex/benet/be_main.c
+++ b/drivers/net/ethernet/emulex/benet/be_main.c
@@ -736,6 +736,8 @@ static netdev_tx_t be_xmit(struct sk_buff *skb,
copied = make_tx_wrbs(adapter, txq, skb, wrb_cnt, dummy_wrb);
if (copied) {
+ int gso_segs = skb_shinfo(skb)->gso_segs;
+
/* record the sent skb in the sent_skb table */
BUG_ON(txo->sent_skb_list[start]);
txo->sent_skb_list[start] = skb;
@@ -753,8 +755,7 @@ static netdev_tx_t be_xmit(struct sk_buff *skb,
be_txq_notify(adapter, txq->id, wrb_cnt);
- be_tx_stats_update(txo, wrb_cnt, copied,
- skb_shinfo(skb)->gso_segs, stopped);
+ be_tx_stats_update(txo, wrb_cnt, copied, gso_segs, stopped);
} else {
txq->head = start;
dev_kfree_skb_any(skb);
diff --git a/drivers/net/ethernet/intel/e1000e/ethtool.c b/drivers/net/ethernet/intel/e1000e/ethtool.c
index d863075..905e214 100644
--- a/drivers/net/ethernet/intel/e1000e/ethtool.c
+++ b/drivers/net/ethernet/intel/e1000e/ethtool.c
@@ -258,7 +258,8 @@ static int e1000_set_settings(struct net_device *netdev,
* When SoL/IDER sessions are active, autoneg/speed/duplex
* cannot be changed
*/
- if (hw->phy.ops.check_reset_block(hw)) {
+ if (hw->phy.ops.check_reset_block &&
+ hw->phy.ops.check_reset_block(hw)) {
e_err("Cannot change link characteristics when SoL/IDER is active.\n");
return -EINVAL;
}
@@ -1615,7 +1616,8 @@ static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
* PHY loopback cannot be performed if SoL/IDER
* sessions are active
*/
- if (hw->phy.ops.check_reset_block(hw)) {
+ if (hw->phy.ops.check_reset_block &&
+ hw->phy.ops.check_reset_block(hw)) {
e_err("Cannot do PHY loopback test when SoL/IDER is active.\n");
*data = 0;
goto out;
diff --git a/drivers/net/ethernet/intel/e1000e/mac.c b/drivers/net/ethernet/intel/e1000e/mac.c
index 026e8b3..a134399 100644
--- a/drivers/net/ethernet/intel/e1000e/mac.c
+++ b/drivers/net/ethernet/intel/e1000e/mac.c
@@ -709,7 +709,7 @@ s32 e1000e_setup_link_generic(struct e1000_hw *hw)
* In the case of the phy reset being blocked, we already have a link.
* We do not need to set it up again.
*/
- if (hw->phy.ops.check_reset_block(hw))
+ if (hw->phy.ops.check_reset_block && hw->phy.ops.check_reset_block(hw))
return 0;
/*
diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c
index a4b0435..31d37a2 100644
--- a/drivers/net/ethernet/intel/e1000e/netdev.c
+++ b/drivers/net/ethernet/intel/e1000e/netdev.c
@@ -6237,7 +6237,7 @@ static int __devinit e1000_probe(struct pci_dev *pdev,
adapter->hw.phy.ms_type = e1000_ms_hw_default;
}
- if (hw->phy.ops.check_reset_block(hw))
+ if (hw->phy.ops.check_reset_block && hw->phy.ops.check_reset_block(hw))
e_info("PHY reset is blocked due to SOL/IDER session.\n");
/* Set initial default active device features */
@@ -6404,7 +6404,7 @@ err_register:
if (!(adapter->flags & FLAG_HAS_AMT))
e1000e_release_hw_control(adapter);
err_eeprom:
- if (!hw->phy.ops.check_reset_block(hw))
+ if (hw->phy.ops.check_reset_block && !hw->phy.ops.check_reset_block(hw))
e1000_phy_hw_reset(&adapter->hw);
err_hw_init:
kfree(adapter->tx_ring);
diff --git a/drivers/net/ethernet/intel/e1000e/phy.c b/drivers/net/ethernet/intel/e1000e/phy.c
index 0334d01..b860d4f 100644
--- a/drivers/net/ethernet/intel/e1000e/phy.c
+++ b/drivers/net/ethernet/intel/e1000e/phy.c
@@ -2155,9 +2155,11 @@ s32 e1000e_phy_hw_reset_generic(struct e1000_hw *hw)
s32 ret_val;
u32 ctrl;
- ret_val = phy->ops.check_reset_block(hw);
- if (ret_val)
- return 0;
+ if (phy->ops.check_reset_block) {
+ ret_val = phy->ops.check_reset_block(hw);
+ if (ret_val)
+ return 0;
+ }
ret_val = phy->ops.acquire(hw);
if (ret_val)
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index bf20457..17ad6a3 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -1390,6 +1390,8 @@ static void ixgbe_process_skb_fields(struct ixgbe_ring *rx_ring,
union ixgbe_adv_rx_desc *rx_desc,
struct sk_buff *skb)
{
+ struct net_device *dev = rx_ring->netdev;
+
ixgbe_update_rsc_stats(rx_ring, skb);
ixgbe_rx_hash(rx_ring, rx_desc, skb);
@@ -1401,14 +1403,15 @@ static void ixgbe_process_skb_fields(struct ixgbe_ring *rx_ring,
ixgbe_ptp_rx_hwtstamp(rx_ring->q_vector, skb);
#endif
- if (ixgbe_test_staterr(rx_desc, IXGBE_RXD_STAT_VP)) {
+ if ((dev->features & NETIF_F_HW_VLAN_RX) &&
+ ixgbe_test_staterr(rx_desc, IXGBE_RXD_STAT_VP)) {
u16 vid = le16_to_cpu(rx_desc->wb.upper.vlan);
__vlan_hwaccel_put_tag(skb, vid);
}
skb_record_rx_queue(skb, rx_ring->queue_index);
- skb->protocol = eth_type_trans(skb, rx_ring->netdev);
+ skb->protocol = eth_type_trans(skb, dev);
}
static void ixgbe_rx_skb(struct ixgbe_q_vector *q_vector,
@@ -3607,10 +3610,6 @@ static void ixgbe_configure_dcb(struct ixgbe_adapter *adapter)
if (hw->mac.type == ixgbe_mac_82598EB)
netif_set_gso_max_size(adapter->netdev, 32768);
-
- /* Enable VLAN tag insert/strip */
- adapter->netdev->features |= NETIF_F_HW_VLAN_RX;
-
hw->mac.ops.set_vfta(&adapter->hw, 0, 0, true);
#ifdef IXGBE_FCOE
@@ -6701,11 +6700,6 @@ static netdev_features_t ixgbe_fix_features(struct net_device *netdev,
{
struct ixgbe_adapter *adapter = netdev_priv(netdev);
-#ifdef CONFIG_DCB
- if (adapter->flags & IXGBE_FLAG_DCB_ENABLED)
- features &= ~NETIF_F_HW_VLAN_RX;
-#endif
-
/* return error if RXHASH is being enabled when RSS is not supported */
if (!(adapter->flags & IXGBE_FLAG_RSS_ENABLED))
features &= ~NETIF_F_RXHASH;
@@ -6718,7 +6712,6 @@ static netdev_features_t ixgbe_fix_features(struct net_device *netdev,
if (!(adapter->flags2 & IXGBE_FLAG2_RSC_CAPABLE))
features &= ~NETIF_F_LRO;
-
return features;
}
@@ -6766,6 +6759,11 @@ static int ixgbe_set_features(struct net_device *netdev,
need_reset = true;
}
+ if (features & NETIF_F_HW_VLAN_RX)
+ ixgbe_vlan_strip_enable(adapter);
+ else
+ ixgbe_vlan_strip_disable(adapter);
+
if (changed & NETIF_F_RXALL)
need_reset = true;
diff --git a/drivers/net/ethernet/marvell/mv643xx_eth.c b/drivers/net/ethernet/marvell/mv643xx_eth.c
index 04d901d..f0f06b2 100644
--- a/drivers/net/ethernet/marvell/mv643xx_eth.c
+++ b/drivers/net/ethernet/marvell/mv643xx_eth.c
@@ -436,7 +436,9 @@ struct mv643xx_eth_private {
/*
* Hardware-specific parameters.
*/
+#if defined(CONFIG_HAVE_CLK)
struct clk *clk;
+#endif
unsigned int t_clk;
};
@@ -2895,17 +2897,17 @@ static int mv643xx_eth_probe(struct platform_device *pdev)
mp->dev = dev;
/*
- * Get the clk rate, if there is one, otherwise use the default.
+ * Start with a default rate, and if there is a clock, allow
+ * it to override the default.
*/
+ mp->t_clk = 133000000;
+#if defined(CONFIG_HAVE_CLK)
mp->clk = clk_get(&pdev->dev, (pdev->id ? "1" : "0"));
if (!IS_ERR(mp->clk)) {
clk_prepare_enable(mp->clk);
mp->t_clk = clk_get_rate(mp->clk);
- } else {
- mp->t_clk = 133000000;
- printk(KERN_WARNING "Unable to get clock");
}
-
+#endif
set_params(mp, pd);
netif_set_real_num_tx_queues(dev, mp->txq_count);
netif_set_real_num_rx_queues(dev, mp->rxq_count);
@@ -2995,10 +2997,13 @@ static int mv643xx_eth_remove(struct platform_device *pdev)
phy_detach(mp->phy);
cancel_work_sync(&mp->tx_timeout_task);
+#if defined(CONFIG_HAVE_CLK)
if (!IS_ERR(mp->clk)) {
clk_disable_unprepare(mp->clk);
clk_put(mp->clk);
}
+#endif
+
free_netdev(mp->dev);
platform_set_drvdata(pdev, NULL);
diff --git a/drivers/net/ethernet/marvell/sky2.c b/drivers/net/ethernet/marvell/sky2.c
index cace36f..28a5445 100644
--- a/drivers/net/ethernet/marvell/sky2.c
+++ b/drivers/net/ethernet/marvell/sky2.c
@@ -4381,10 +4381,12 @@ static int sky2_set_features(struct net_device *dev, netdev_features_t features)
struct sky2_port *sky2 = netdev_priv(dev);
netdev_features_t changed = dev->features ^ features;
- if (changed & NETIF_F_RXCSUM) {
- bool on = features & NETIF_F_RXCSUM;
- sky2_write32(sky2->hw, Q_ADDR(rxqaddr[sky2->port], Q_CSR),
- on ? BMU_ENA_RX_CHKSUM : BMU_DIS_RX_CHKSUM);
+ if ((changed & NETIF_F_RXCSUM) &&
+ !(sky2->hw->flags & SKY2_HW_NEW_LE)) {
+ sky2_write32(sky2->hw,
+ Q_ADDR(rxqaddr[sky2->port], Q_CSR),
+ (features & NETIF_F_RXCSUM)
+ ? BMU_ENA_RX_CHKSUM : BMU_DIS_RX_CHKSUM);
}
if (changed & NETIF_F_RXHASH)
diff --git a/drivers/net/ethernet/nxp/lpc_eth.c b/drivers/net/ethernet/nxp/lpc_eth.c
index 8d2666f..083d671 100644
--- a/drivers/net/ethernet/nxp/lpc_eth.c
+++ b/drivers/net/ethernet/nxp/lpc_eth.c
@@ -946,16 +946,16 @@ static void __lpc_handle_xmit(struct net_device *ndev)
/* Update stats */
ndev->stats.tx_packets++;
ndev->stats.tx_bytes += skb->len;
-
- /* Free buffer */
- dev_kfree_skb_irq(skb);
}
+ dev_kfree_skb_irq(skb);
txcidx = readl(LPC_ENET_TXCONSUMEINDEX(pldat->net_base));
}
- if (netif_queue_stopped(ndev))
- netif_wake_queue(ndev);
+ if (pldat->num_used_tx_buffs <= ENET_TX_DESC/2) {
+ if (netif_queue_stopped(ndev))
+ netif_wake_queue(ndev);
+ }
}
static int __lpc_handle_recv(struct net_device *ndev, int budget)
@@ -1320,6 +1320,7 @@ static const struct net_device_ops lpc_netdev_ops = {
.ndo_set_rx_mode = lpc_eth_set_multicast_list,
.ndo_do_ioctl = lpc_eth_ioctl,
.ndo_set_mac_address = lpc_set_mac_address,
+ .ndo_change_mtu = eth_change_mtu,
};
static int lpc_eth_drv_probe(struct platform_device *pdev)
diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index 9757ce3..7260aa7 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -5889,11 +5889,7 @@ static void rtl_slow_event_work(struct rtl8169_private *tp)
if (status & LinkChg)
__rtl8169_check_link_status(dev, tp, tp->mmio_addr, true);
- napi_disable(&tp->napi);
- rtl_irq_disable(tp);
-
- napi_enable(&tp->napi);
- napi_schedule(&tp->napi);
+ rtl_irq_enable_all(tp);
}
static void rtl_task(struct work_struct *work)
diff --git a/drivers/net/ethernet/stmicro/stmmac/Kconfig b/drivers/net/ethernet/stmicro/stmmac/Kconfig
index 0364283..9f44827 100644
--- a/drivers/net/ethernet/stmicro/stmmac/Kconfig
+++ b/drivers/net/ethernet/stmicro/stmmac/Kconfig
@@ -13,7 +13,7 @@ config STMMAC_ETH
if STMMAC_ETH
config STMMAC_PLATFORM
- tristate "STMMAC platform bus support"
+ bool "STMMAC Platform bus support"
depends on STMMAC_ETH
default y
---help---
@@ -26,7 +26,7 @@ config STMMAC_PLATFORM
If unsure, say N.
config STMMAC_PCI
- tristate "STMMAC support on PCI bus (EXPERIMENTAL)"
+ bool "STMMAC PCI bus support (EXPERIMENTAL)"
depends on STMMAC_ETH && PCI && EXPERIMENTAL
---help---
This is to select the Synopsys DWMAC available on PCI devices,
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac.h b/drivers/net/ethernet/stmicro/stmmac/stmmac.h
index 6b5d060..dc20c56 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac.h
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac.h
@@ -26,6 +26,7 @@
#include <linux/clk.h>
#include <linux/stmmac.h>
#include <linux/phy.h>
+#include <linux/pci.h>
#include "common.h"
#ifdef CONFIG_STMMAC_TIMER
#include "stmmac_timer.h"
@@ -95,7 +96,6 @@ extern int stmmac_mdio_register(struct net_device *ndev);
extern void stmmac_set_ethtool_ops(struct net_device *netdev);
extern const struct stmmac_desc_ops enh_desc_ops;
extern const struct stmmac_desc_ops ndesc_ops;
-
int stmmac_freeze(struct net_device *ndev);
int stmmac_restore(struct net_device *ndev);
int stmmac_resume(struct net_device *ndev);
@@ -109,7 +109,7 @@ struct stmmac_priv *stmmac_dvr_probe(struct device *device,
static inline int stmmac_clk_enable(struct stmmac_priv *priv)
{
if (!IS_ERR(priv->stmmac_clk))
- return clk_enable(priv->stmmac_clk);
+ return clk_prepare_enable(priv->stmmac_clk);
return 0;
}
@@ -119,7 +119,7 @@ static inline void stmmac_clk_disable(struct stmmac_priv *priv)
if (IS_ERR(priv->stmmac_clk))
return;
- clk_disable(priv->stmmac_clk);
+ clk_disable_unprepare(priv->stmmac_clk);
}
static inline int stmmac_clk_get(struct stmmac_priv *priv)
{
@@ -143,3 +143,60 @@ static inline int stmmac_clk_get(struct stmmac_priv *priv)
return 0;
}
#endif /* CONFIG_HAVE_CLK */
+
+
+#ifdef CONFIG_STMMAC_PLATFORM
+extern struct platform_driver stmmac_pltfr_driver;
+static inline int stmmac_register_platform(void)
+{
+ int err;
+
+ err = platform_driver_register(&stmmac_pltfr_driver);
+ if (err)
+ pr_err("stmmac: failed to register the platform driver\n");
+
+ return err;
+}
+static inline void stmmac_unregister_platform(void)
+{
+ platform_driver_register(&stmmac_pltfr_driver);
+}
+#else
+static inline int stmmac_register_platform(void)
+{
+ pr_debug("stmmac: do not register the platf driver\n");
+
+ return -EINVAL;
+}
+static inline void stmmac_unregister_platform(void)
+{
+}
+#endif /* CONFIG_STMMAC_PLATFORM */
+
+#ifdef CONFIG_STMMAC_PCI
+extern struct pci_driver stmmac_pci_driver;
+static inline int stmmac_register_pci(void)
+{
+ int err;
+
+ err = pci_register_driver(&stmmac_pci_driver);
+ if (err)
+ pr_err("stmmac: failed to register the PCI driver\n");
+
+ return err;
+}
+static inline void stmmac_unregister_pci(void)
+{
+ pci_unregister_driver(&stmmac_pci_driver);
+}
+#else
+static inline int stmmac_register_pci(void)
+{
+ pr_debug("stmmac: do not register the PCI driver\n");
+
+ return -EINVAL;
+}
+static inline void stmmac_unregister_pci(void)
+{
+}
+#endif /* CONFIG_STMMAC_PCI */
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 7096633..51b3b68 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -833,8 +833,9 @@ static u32 stmmac_get_synopsys_id(struct stmmac_priv *priv)
/**
* stmmac_selec_desc_mode
- * @dev : device pointer
- * Description: select the Enhanced/Alternate or Normal descriptors */
+ * @priv : private structure
+ * Description: select the Enhanced/Alternate or Normal descriptors
+ */
static void stmmac_selec_desc_mode(struct stmmac_priv *priv)
{
if (priv->plat->enh_desc) {
@@ -1861,6 +1862,8 @@ static int stmmac_hw_init(struct stmmac_priv *priv)
/**
* stmmac_dvr_probe
* @device: device pointer
+ * @plat_dat: platform data pointer
+ * @addr: iobase memory address
* Description: this is the main probe function used to
* call the alloc_etherdev, allocate the priv structure.
*/
@@ -2090,6 +2093,34 @@ int stmmac_restore(struct net_device *ndev)
}
#endif /* CONFIG_PM */
+/* Driver can be configured w/ and w/ both PCI and Platf drivers
+ * depending on the configuration selected.
+ */
+static int __init stmmac_init(void)
+{
+ int err_plt = 0;
+ int err_pci = 0;
+
+ err_plt = stmmac_register_platform();
+ err_pci = stmmac_register_pci();
+
+ if ((err_pci) && (err_plt)) {
+ pr_err("stmmac: driver registration failed\n");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static void __exit stmmac_exit(void)
+{
+ stmmac_unregister_platform();
+ stmmac_unregister_pci();
+}
+
+module_init(stmmac_init);
+module_exit(stmmac_exit);
+
#ifndef MODULE
static int __init stmmac_cmdline_opt(char *str)
{
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
index 58fab53..cf826e6 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
@@ -179,7 +179,7 @@ static DEFINE_PCI_DEVICE_TABLE(stmmac_id_table) = {
MODULE_DEVICE_TABLE(pci, stmmac_id_table);
-static struct pci_driver stmmac_driver = {
+struct pci_driver stmmac_pci_driver = {
.name = STMMAC_RESOURCE_NAME,
.id_table = stmmac_id_table,
.probe = stmmac_pci_probe,
@@ -190,33 +190,6 @@ static struct pci_driver stmmac_driver = {
#endif
};
-/**
- * stmmac_init_module - Entry point for the driver
- * Description: This function is the entry point for the driver.
- */
-static int __init stmmac_init_module(void)
-{
- int ret;
-
- ret = pci_register_driver(&stmmac_driver);
- if (ret < 0)
- pr_err("%s: ERROR: driver registration failed\n", __func__);
-
- return ret;
-}
-
-/**
- * stmmac_cleanup_module - Cleanup routine for the driver
- * Description: This function is the cleanup routine for the driver.
- */
-static void __exit stmmac_cleanup_module(void)
-{
- pci_unregister_driver(&stmmac_driver);
-}
-
-module_init(stmmac_init_module);
-module_exit(stmmac_cleanup_module);
-
MODULE_DESCRIPTION("STMMAC 10/100/1000 Ethernet PCI driver");
MODULE_AUTHOR("Rayagond Kokatanur <rayagond.kokatanur@vayavyalabs.com>");
MODULE_AUTHOR("Giuseppe Cavallaro <peppe.cavallaro@st.com>");
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
index 3dd8f08..680d2b8 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
@@ -255,7 +255,7 @@ static const struct of_device_id stmmac_dt_ids[] = {
};
MODULE_DEVICE_TABLE(of, stmmac_dt_ids);
-static struct platform_driver stmmac_driver = {
+struct platform_driver stmmac_pltfr_driver = {
.probe = stmmac_pltfr_probe,
.remove = stmmac_pltfr_remove,
.driver = {
@@ -266,8 +266,6 @@ static struct platform_driver stmmac_driver = {
},
};
-module_platform_driver(stmmac_driver);
-
MODULE_DESCRIPTION("STMMAC 10/100/1000 Ethernet PLATFORM driver");
MODULE_AUTHOR("Giuseppe Cavallaro <peppe.cavallaro@st.com>");
MODULE_LICENSE("GPL");
diff --git a/drivers/net/ethernet/sun/niu.c b/drivers/net/ethernet/sun/niu.c
index 703c8cc..8c726b7 100644
--- a/drivers/net/ethernet/sun/niu.c
+++ b/drivers/net/ethernet/sun/niu.c
@@ -3598,7 +3598,6 @@ static int release_tx_packet(struct niu *np, struct tx_ring_info *rp, int idx)
static void niu_tx_work(struct niu *np, struct tx_ring_info *rp)
{
struct netdev_queue *txq;
- unsigned int tx_bytes;
u16 pkt_cnt, tmp;
int cons, index;
u64 cs;
@@ -3621,18 +3620,12 @@ static void niu_tx_work(struct niu *np, struct tx_ring_info *rp)
netif_printk(np, tx_done, KERN_DEBUG, np->dev,
"%s() pkt_cnt[%u] cons[%d]\n", __func__, pkt_cnt, cons);
- tx_bytes = 0;
- tmp = pkt_cnt;
- while (tmp--) {
- tx_bytes += rp->tx_buffs[cons].skb->len;
+ while (pkt_cnt--)
cons = release_tx_packet(np, rp, cons);
- }
rp->cons = cons;
smp_mb();
- netdev_tx_completed_queue(txq, pkt_cnt, tx_bytes);
-
out:
if (unlikely(netif_tx_queue_stopped(txq) &&
(niu_tx_avail(rp) > NIU_TX_WAKEUP_THRESH(rp)))) {
@@ -4333,7 +4326,6 @@ static void niu_free_channels(struct niu *np)
struct tx_ring_info *rp = &np->tx_rings[i];
niu_free_tx_ring_info(np, rp);
- netdev_tx_reset_queue(netdev_get_tx_queue(np->dev, i));
}
kfree(np->tx_rings);
np->tx_rings = NULL;
@@ -6739,8 +6731,6 @@ static netdev_tx_t niu_start_xmit(struct sk_buff *skb,
prod = NEXT_TX(rp, prod);
}
- netdev_tx_sent_queue(txq, skb->len);
-
if (prod < rp->prod)
rp->wrap_bit ^= TX_RING_KICK_WRAP;
rp->prod = prod;
diff --git a/drivers/net/ethernet/tile/Kconfig b/drivers/net/ethernet/tile/Kconfig
index 2d9218f..098b1c4 100644
--- a/drivers/net/ethernet/tile/Kconfig
+++ b/drivers/net/ethernet/tile/Kconfig
@@ -7,6 +7,8 @@ config TILE_NET
depends on TILE
default y
select CRC32
+ select TILE_GXIO_MPIPE if TILEGX
+ select HIGH_RES_TIMERS if TILEGX
---help---
This is a standard Linux network device driver for the
on-chip Tilera Gigabit Ethernet and XAUI interfaces.
diff --git a/drivers/net/ethernet/tile/Makefile b/drivers/net/ethernet/tile/Makefile
index f634f14..0ef9eef 100644
--- a/drivers/net/ethernet/tile/Makefile
+++ b/drivers/net/ethernet/tile/Makefile
@@ -4,7 +4,7 @@
obj-$(CONFIG_TILE_NET) += tile_net.o
ifdef CONFIG_TILEGX
-tile_net-objs := tilegx.o mpipe.o iorpc_mpipe.o dma_queue.o
+tile_net-y := tilegx.o
else
-tile_net-objs := tilepro.o
+tile_net-y := tilepro.o
endif
diff --git a/drivers/net/ethernet/tile/tilegx.c b/drivers/net/ethernet/tile/tilegx.c
new file mode 100644
index 0000000..83b4b38
--- /dev/null
+++ b/drivers/net/ethernet/tile/tilegx.c
@@ -0,0 +1,1898 @@
+/*
+ * Copyright 2012 Tilera Corporation. All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, version 2.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ * NON INFRINGEMENT. See the GNU General Public License for
+ * more details.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/moduleparam.h>
+#include <linux/sched.h>
+#include <linux/kernel.h> /* printk() */
+#include <linux/slab.h> /* kmalloc() */
+#include <linux/errno.h> /* error codes */
+#include <linux/types.h> /* size_t */
+#include <linux/interrupt.h>
+#include <linux/in.h>
+#include <linux/irq.h>
+#include <linux/netdevice.h> /* struct device, and other headers */
+#include <linux/etherdevice.h> /* eth_type_trans */
+#include <linux/skbuff.h>
+#include <linux/ioctl.h>
+#include <linux/cdev.h>
+#include <linux/hugetlb.h>
+#include <linux/in6.h>
+#include <linux/timer.h>
+#include <linux/hrtimer.h>
+#include <linux/ktime.h>
+#include <linux/io.h>
+#include <linux/ctype.h>
+#include <linux/ip.h>
+#include <linux/tcp.h>
+
+#include <asm/checksum.h>
+#include <asm/homecache.h>
+#include <gxio/mpipe.h>
+#include <arch/sim.h>
+
+/* Default transmit lockup timeout period, in jiffies. */
+#define TILE_NET_TIMEOUT (5 * HZ)
+
+/* The maximum number of distinct channels (idesc.channel is 5 bits). */
+#define TILE_NET_CHANNELS 32
+
+/* Maximum number of idescs to handle per "poll". */
+#define TILE_NET_BATCH 128
+
+/* Maximum number of packets to handle per "poll". */
+#define TILE_NET_WEIGHT 64
+
+/* Number of entries in each iqueue. */
+#define IQUEUE_ENTRIES 512
+
+/* Number of entries in each equeue. */
+#define EQUEUE_ENTRIES 2048
+
+/* Total header bytes per equeue slot. Must be big enough for 2 bytes
+ * of NET_IP_ALIGN alignment, plus 14 bytes (?) of L2 header, plus up to
+ * 60 bytes of actual TCP header. We round up to align to cache lines.
+ */
+#define HEADER_BYTES 128
+
+/* Maximum completions per cpu per device (must be a power of two).
+ * ISSUE: What is the right number here? If this is too small, then
+ * egress might block waiting for free space in a completions array.
+ * ISSUE: At the least, allocate these only for initialized echannels.
+ */
+#define TILE_NET_MAX_COMPS 64
+
+#define MAX_FRAGS (MAX_SKB_FRAGS + 1)
+
+/* Size of completions data to allocate.
+ * ISSUE: Probably more than needed since we don't use all the channels.
+ */
+#define COMPS_SIZE (TILE_NET_CHANNELS * sizeof(struct tile_net_comps))
+
+/* Size of NotifRing data to allocate. */
+#define NOTIF_RING_SIZE (IQUEUE_ENTRIES * sizeof(gxio_mpipe_idesc_t))
+
+/* Timeout to wake the per-device TX timer after we stop the queue.
+ * We don't want the timeout too short (adds overhead, and might end
+ * up causing stop/wake/stop/wake cycles) or too long (affects performance).
+ * For the 10 Gb NIC, 30 usec means roughly 30+ 1500-byte packets.
+ */
+#define TX_TIMER_DELAY_USEC 30
+
+/* Timeout to wake the per-cpu egress timer to free completions. */
+#define EGRESS_TIMER_DELAY_USEC 1000
+
+MODULE_AUTHOR("Tilera Corporation");
+MODULE_LICENSE("GPL");
+
+/* A "packet fragment" (a chunk of memory). */
+struct frag {
+ void *buf;
+ size_t length;
+};
+
+/* A single completion. */
+struct tile_net_comp {
+ /* The "complete_count" when the completion will be complete. */
+ s64 when;
+ /* The buffer to be freed when the completion is complete. */
+ struct sk_buff *skb;
+};
+
+/* The completions for a given cpu and echannel. */
+struct tile_net_comps {
+ /* The completions. */
+ struct tile_net_comp comp_queue[TILE_NET_MAX_COMPS];
+ /* The number of completions used. */
+ unsigned long comp_next;
+ /* The number of completions freed. */
+ unsigned long comp_last;
+};
+
+/* The transmit wake timer for a given cpu and echannel. */
+struct tile_net_tx_wake {
+ struct hrtimer timer;
+ struct net_device *dev;
+};
+
+/* Info for a specific cpu. */
+struct tile_net_info {
+ /* The NAPI struct. */
+ struct napi_struct napi;
+ /* Packet queue. */
+ gxio_mpipe_iqueue_t iqueue;
+ /* Our cpu. */
+ int my_cpu;
+ /* True if iqueue is valid. */
+ bool has_iqueue;
+ /* NAPI flags. */
+ bool napi_added;
+ bool napi_enabled;
+ /* Number of small sk_buffs which must still be provided. */
+ unsigned int num_needed_small_buffers;
+ /* Number of large sk_buffs which must still be provided. */
+ unsigned int num_needed_large_buffers;
+ /* A timer for handling egress completions. */
+ struct hrtimer egress_timer;
+ /* True if "egress_timer" is scheduled. */
+ bool egress_timer_scheduled;
+ /* Comps for each egress channel. */
+ struct tile_net_comps *comps_for_echannel[TILE_NET_CHANNELS];
+ /* Transmit wake timer for each egress channel. */
+ struct tile_net_tx_wake tx_wake[TILE_NET_CHANNELS];
+};
+
+/* Info for egress on a particular egress channel. */
+struct tile_net_egress {
+ /* The "equeue". */
+ gxio_mpipe_equeue_t *equeue;
+ /* The headers for TSO. */
+ unsigned char *headers;
+};
+
+/* Info for a specific device. */
+struct tile_net_priv {
+ /* Our network device. */
+ struct net_device *dev;
+ /* The primary link. */
+ gxio_mpipe_link_t link;
+ /* The primary channel, if open, else -1. */
+ int channel;
+ /* The "loopify" egress link, if needed. */
+ gxio_mpipe_link_t loopify_link;
+ /* The "loopify" egress channel, if open, else -1. */
+ int loopify_channel;
+ /* The egress channel (channel or loopify_channel). */
+ int echannel;
+ /* Total stats. */
+ struct net_device_stats stats;
+};
+
+/* Egress info, indexed by "priv->echannel" (lazily created as needed). */
+static struct tile_net_egress egress_for_echannel[TILE_NET_CHANNELS];
+
+/* Devices currently associated with each channel.
+ * NOTE: The array entry can become NULL after ifconfig down, but
+ * we do not free the underlying net_device structures, so it is
+ * safe to use a pointer after reading it from this array.
+ */
+static struct net_device *tile_net_devs_for_channel[TILE_NET_CHANNELS];
+
+/* A mutex for "tile_net_devs_for_channel". */
+static DEFINE_MUTEX(tile_net_devs_for_channel_mutex);
+
+/* The per-cpu info. */
+static DEFINE_PER_CPU(struct tile_net_info, per_cpu_info);
+
+/* The "context" for all devices. */
+static gxio_mpipe_context_t context;
+
+/* Buffer sizes and mpipe enum codes for buffer stacks.
+ * See arch/tile/include/gxio/mpipe.h for the set of possible values.
+ */
+#define BUFFER_SIZE_SMALL_ENUM GXIO_MPIPE_BUFFER_SIZE_128
+#define BUFFER_SIZE_SMALL 128
+#define BUFFER_SIZE_LARGE_ENUM GXIO_MPIPE_BUFFER_SIZE_1664
+#define BUFFER_SIZE_LARGE 1664
+
+/* The small/large "buffer stacks". */
+static int small_buffer_stack = -1;
+static int large_buffer_stack = -1;
+
+/* Amount of memory allocated for each buffer stack. */
+static size_t buffer_stack_size;
+
+/* The actual memory allocated for the buffer stacks. */
+static void *small_buffer_stack_va;
+static void *large_buffer_stack_va;
+
+/* The buckets. */
+static int first_bucket = -1;
+static int num_buckets = 1;
+
+/* The ingress irq. */
+static int ingress_irq = -1;
+
+/* Text value of tile_net.cpus if passed as a module parameter. */
+static char *network_cpus_string;
+
+/* The actual cpus in "network_cpus". */
+static struct cpumask network_cpus_map;
+
+/* If "loopify=LINK" was specified, this is "LINK". */
+static char *loopify_link_name;
+
+/* If "tile_net.custom" was specified, this is non-NULL. */
+static char *custom_str;
+
+/* The "tile_net.cpus" argument specifies the cpus that are dedicated
+ * to handle ingress packets.
+ *
+ * The parameter should be in the form "tile_net.cpus=m-n[,x-y]", where
+ * m, n, x, y are integer numbers that represent the cpus that can be
+ * neither a dedicated cpu nor a dataplane cpu.
+ */
+static bool network_cpus_init(void)
+{
+ char buf[1024];
+ int rc;
+
+ if (network_cpus_string == NULL)
+ return false;
+
+ rc = cpulist_parse_crop(network_cpus_string, &network_cpus_map);
+ if (rc != 0) {
+ pr_warn("tile_net.cpus=%s: malformed cpu list\n",
+ network_cpus_string);
+ return false;
+ }
+
+ /* Remove dedicated cpus. */
+ cpumask_and(&network_cpus_map, &network_cpus_map, cpu_possible_mask);
+
+ if (cpumask_empty(&network_cpus_map)) {
+ pr_warn("Ignoring empty tile_net.cpus='%s'.\n",
+ network_cpus_string);
+ return false;
+ }
+
+ cpulist_scnprintf(buf, sizeof(buf), &network_cpus_map);
+ pr_info("Linux network CPUs: %s\n", buf);
+ return true;
+}
+
+module_param_named(cpus, network_cpus_string, charp, 0444);
+MODULE_PARM_DESC(cpus, "cpulist of cores that handle network interrupts");
+
+/* The "tile_net.loopify=LINK" argument causes the named device to
+ * actually use "loop0" for ingress, and "loop1" for egress. This
+ * allows an app to sit between the actual link and linux, passing
+ * (some) packets along to linux, and forwarding (some) packets sent
+ * out by linux.
+ */
+module_param_named(loopify, loopify_link_name, charp, 0444);
+MODULE_PARM_DESC(loopify, "name the device to use loop0/1 for ingress/egress");
+
+/* The "tile_net.custom" argument causes us to ignore the "conventional"
+ * classifier metadata, in particular, the "l2_offset".
+ */
+module_param_named(custom, custom_str, charp, 0444);
+MODULE_PARM_DESC(custom, "indicates a (heavily) customized classifier");
+
+/* Atomically update a statistics field.
+ * Note that on TILE-Gx, this operation is fire-and-forget on the
+ * issuing core (single-cycle dispatch) and takes only a few cycles
+ * longer than a regular store when the request reaches the home cache.
+ * No expensive bus management overhead is required.
+ */
+static void tile_net_stats_add(unsigned long value, unsigned long *field)
+{
+ BUILD_BUG_ON(sizeof(atomic_long_t) != sizeof(unsigned long));
+ atomic_long_add(value, (atomic_long_t *)field);
+}
+
+/* Allocate and push a buffer. */
+static bool tile_net_provide_buffer(bool small)
+{
+ int stack = small ? small_buffer_stack : large_buffer_stack;
+ const unsigned long buffer_alignment = 128;
+ struct sk_buff *skb;
+ int len;
+
+ len = sizeof(struct sk_buff **) + buffer_alignment;
+ len += (small ? BUFFER_SIZE_SMALL : BUFFER_SIZE_LARGE);
+ skb = dev_alloc_skb(len);
+ if (skb == NULL)
+ return false;
+
+ /* Make room for a back-pointer to 'skb' and guarantee alignment. */
+ skb_reserve(skb, sizeof(struct sk_buff **));
+ skb_reserve(skb, -(long)skb->data & (buffer_alignment - 1));
+
+ /* Save a back-pointer to 'skb'. */
+ *(struct sk_buff **)(skb->data - sizeof(struct sk_buff **)) = skb;
+
+ /* Make sure "skb" and the back-pointer have been flushed. */
+ wmb();
+
+ gxio_mpipe_push_buffer(&context, stack,
+ (void *)va_to_tile_io_addr(skb->data));
+
+ return true;
+}
+
+/* Convert a raw mpipe buffer to its matching skb pointer. */
+static struct sk_buff *mpipe_buf_to_skb(void *va)
+{
+ /* Acquire the associated "skb". */
+ struct sk_buff **skb_ptr = va - sizeof(*skb_ptr);
+ struct sk_buff *skb = *skb_ptr;
+
+ /* Paranoia. */
+ if (skb->data != va) {
+ /* Panic here since there's a reasonable chance
+ * that corrupt buffers means generic memory
+ * corruption, with unpredictable system effects.
+ */
+ panic("Corrupt linux buffer! va=%p, skb=%p, skb->data=%p",
+ va, skb, skb->data);
+ }
+
+ return skb;
+}
+
+static void tile_net_pop_all_buffers(int stack)
+{
+ for (;;) {
+ tile_io_addr_t addr =
+ (tile_io_addr_t)gxio_mpipe_pop_buffer(&context, stack);
+ if (addr == 0)
+ break;
+ dev_kfree_skb_irq(mpipe_buf_to_skb(tile_io_addr_to_va(addr)));
+ }
+}
+
+/* Provide linux buffers to mPIPE. */
+static void tile_net_provide_needed_buffers(void)
+{
+ struct tile_net_info *info = &__get_cpu_var(per_cpu_info);
+
+ while (info->num_needed_small_buffers != 0) {
+ if (!tile_net_provide_buffer(true))
+ goto oops;
+ info->num_needed_small_buffers--;
+ }
+
+ while (info->num_needed_large_buffers != 0) {
+ if (!tile_net_provide_buffer(false))
+ goto oops;
+ info->num_needed_large_buffers--;
+ }
+
+ return;
+
+oops:
+ /* Add a description to the page allocation failure dump. */
+ pr_notice("Tile %d still needs some buffers\n", info->my_cpu);
+}
+
+static inline bool filter_packet(struct net_device *dev, void *buf)
+{
+ /* Filter packets received before we're up. */
+ if (dev == NULL || !(dev->flags & IFF_UP))
+ return true;
+
+ /* Filter out packets that aren't for us. */
+ if (!(dev->flags & IFF_PROMISC) &&
+ !is_multicast_ether_addr(buf) &&
+ compare_ether_addr(dev->dev_addr, buf) != 0)
+ return true;
+
+ return false;
+}
+
+static void tile_net_receive_skb(struct net_device *dev, struct sk_buff *skb,
+ gxio_mpipe_idesc_t *idesc, unsigned long len)
+{
+ struct tile_net_info *info = &__get_cpu_var(per_cpu_info);
+ struct tile_net_priv *priv = netdev_priv(dev);
+
+ /* Encode the actual packet length. */
+ skb_put(skb, len);
+
+ skb->protocol = eth_type_trans(skb, dev);
+
+ /* Acknowledge "good" hardware checksums. */
+ if (idesc->cs && idesc->csum_seed_val == 0xFFFF)
+ skb->ip_summed = CHECKSUM_UNNECESSARY;
+
+ netif_receive_skb(skb);
+
+ /* Update stats. */
+ tile_net_stats_add(1, &priv->stats.rx_packets);
+ tile_net_stats_add(len, &priv->stats.rx_bytes);
+
+ /* Need a new buffer. */
+ if (idesc->size == BUFFER_SIZE_SMALL_ENUM)
+ info->num_needed_small_buffers++;
+ else
+ info->num_needed_large_buffers++;
+}
+
+/* Handle a packet. Return true if "processed", false if "filtered". */
+static bool tile_net_handle_packet(gxio_mpipe_idesc_t *idesc)
+{
+ struct tile_net_info *info = &__get_cpu_var(per_cpu_info);
+ struct net_device *dev = tile_net_devs_for_channel[idesc->channel];
+ uint8_t l2_offset;
+ void *va;
+ void *buf;
+ unsigned long len;
+ bool filter;
+
+ /* Drop packets for which no buffer was available.
+ * NOTE: This happens under heavy load.
+ */
+ if (idesc->be) {
+ struct tile_net_priv *priv = netdev_priv(dev);
+ tile_net_stats_add(1, &priv->stats.rx_dropped);
+ gxio_mpipe_iqueue_consume(&info->iqueue, idesc);
+ if (net_ratelimit())
+ pr_info("Dropping packet (insufficient buffers).\n");
+ return false;
+ }
+
+ /* Get the "l2_offset", if allowed. */
+ l2_offset = custom_str ? 0 : gxio_mpipe_idesc_get_l2_offset(idesc);
+
+ /* Get the raw buffer VA (includes "headroom"). */
+ va = tile_io_addr_to_va((unsigned long)(long)idesc->va);
+
+ /* Get the actual packet start/length. */
+ buf = va + l2_offset;
+ len = idesc->l2_size - l2_offset;
+
+ /* Point "va" at the raw buffer. */
+ va -= NET_IP_ALIGN;
+
+ filter = filter_packet(dev, buf);
+ if (filter) {
+ gxio_mpipe_iqueue_drop(&info->iqueue, idesc);
+ } else {
+ struct sk_buff *skb = mpipe_buf_to_skb(va);
+
+ /* Skip headroom, and any custom header. */
+ skb_reserve(skb, NET_IP_ALIGN + l2_offset);
+
+ tile_net_receive_skb(dev, skb, idesc, len);
+ }
+
+ gxio_mpipe_iqueue_consume(&info->iqueue, idesc);
+ return !filter;
+}
+
+/* Handle some packets for the current CPU.
+ *
+ * This function handles up to TILE_NET_BATCH idescs per call.
+ *
+ * ISSUE: Since we do not provide new buffers until this function is
+ * complete, we must initially provide enough buffers for each network
+ * cpu to fill its iqueue and also its batched idescs.
+ *
+ * ISSUE: The "rotting packet" race condition occurs if a packet
+ * arrives after the queue appears to be empty, and before the
+ * hypervisor interrupt is re-enabled.
+ */
+static int tile_net_poll(struct napi_struct *napi, int budget)
+{
+ struct tile_net_info *info = &__get_cpu_var(per_cpu_info);
+ unsigned int work = 0;
+ gxio_mpipe_idesc_t *idesc;
+ int i, n;
+
+ /* Process packets. */
+ while ((n = gxio_mpipe_iqueue_try_peek(&info->iqueue, &idesc)) > 0) {
+ for (i = 0; i < n; i++) {
+ if (i == TILE_NET_BATCH)
+ goto done;
+ if (tile_net_handle_packet(idesc + i)) {
+ if (++work >= budget)
+ goto done;
+ }
+ }
+ }
+
+ /* There are no packets left. */
+ napi_complete(&info->napi);
+
+ /* Re-enable hypervisor interrupts. */
+ gxio_mpipe_enable_notif_ring_interrupt(&context, info->iqueue.ring);
+
+ /* HACK: Avoid the "rotting packet" problem. */
+ if (gxio_mpipe_iqueue_try_peek(&info->iqueue, &idesc) > 0)
+ napi_schedule(&info->napi);
+
+ /* ISSUE: Handle completions? */
+
+done:
+ tile_net_provide_needed_buffers();
+
+ return work;
+}
+
+/* Handle an ingress interrupt on the current cpu. */
+static irqreturn_t tile_net_handle_ingress_irq(int irq, void *unused)
+{
+ struct tile_net_info *info = &__get_cpu_var(per_cpu_info);
+ napi_schedule(&info->napi);
+ return IRQ_HANDLED;
+}
+
+/* Free some completions. This must be called with interrupts blocked. */
+static int tile_net_free_comps(gxio_mpipe_equeue_t *equeue,
+ struct tile_net_comps *comps,
+ int limit, bool force_update)
+{
+ int n = 0;
+ while (comps->comp_last < comps->comp_next) {
+ unsigned int cid = comps->comp_last % TILE_NET_MAX_COMPS;
+ struct tile_net_comp *comp = &comps->comp_queue[cid];
+ if (!gxio_mpipe_equeue_is_complete(equeue, comp->when,
+ force_update || n == 0))
+ break;
+ dev_kfree_skb_irq(comp->skb);
+ comps->comp_last++;
+ if (++n == limit)
+ break;
+ }
+ return n;
+}
+
+/* Add a completion. This must be called with interrupts blocked.
+ * tile_net_equeue_try_reserve() will have ensured a free completion entry.
+ */
+static void add_comp(gxio_mpipe_equeue_t *equeue,
+ struct tile_net_comps *comps,
+ uint64_t when, struct sk_buff *skb)
+{
+ int cid = comps->comp_next % TILE_NET_MAX_COMPS;
+ comps->comp_queue[cid].when = when;
+ comps->comp_queue[cid].skb = skb;
+ comps->comp_next++;
+}
+
+static void tile_net_schedule_tx_wake_timer(struct net_device *dev)
+{
+ struct tile_net_info *info = &__get_cpu_var(per_cpu_info);
+ struct tile_net_priv *priv = netdev_priv(dev);
+
+ hrtimer_start(&info->tx_wake[priv->echannel].timer,
+ ktime_set(0, TX_TIMER_DELAY_USEC * 1000UL),
+ HRTIMER_MODE_REL_PINNED);
+}
+
+static enum hrtimer_restart tile_net_handle_tx_wake_timer(struct hrtimer *t)
+{
+ struct tile_net_tx_wake *tx_wake =
+ container_of(t, struct tile_net_tx_wake, timer);
+ netif_wake_subqueue(tx_wake->dev, smp_processor_id());
+ return HRTIMER_NORESTART;
+}
+
+/* Make sure the egress timer is scheduled. */
+static void tile_net_schedule_egress_timer(void)
+{
+ struct tile_net_info *info = &__get_cpu_var(per_cpu_info);
+
+ if (!info->egress_timer_scheduled) {
+ hrtimer_start(&info->egress_timer,
+ ktime_set(0, EGRESS_TIMER_DELAY_USEC * 1000UL),
+ HRTIMER_MODE_REL_PINNED);
+ info->egress_timer_scheduled = true;
+ }
+}
+
+/* The "function" for "info->egress_timer".
+ *
+ * This timer will reschedule itself as long as there are any pending
+ * completions expected for this tile.
+ */
+static enum hrtimer_restart tile_net_handle_egress_timer(struct hrtimer *t)
+{
+ struct tile_net_info *info = &__get_cpu_var(per_cpu_info);
+ unsigned long irqflags;
+ bool pending = false;
+ int i;
+
+ local_irq_save(irqflags);
+
+ /* The timer is no longer scheduled. */
+ info->egress_timer_scheduled = false;
+
+ /* Free all possible comps for this tile. */
+ for (i = 0; i < TILE_NET_CHANNELS; i++) {
+ struct tile_net_egress *egress = &egress_for_echannel[i];
+ struct tile_net_comps *comps = info->comps_for_echannel[i];
+ if (comps->comp_last >= comps->comp_next)
+ continue;
+ tile_net_free_comps(egress->equeue, comps, -1, true);
+ pending = pending || (comps->comp_last < comps->comp_next);
+ }
+
+ /* Reschedule timer if needed. */
+ if (pending)
+ tile_net_schedule_egress_timer();
+
+ local_irq_restore(irqflags);
+
+ return HRTIMER_NORESTART;
+}
+
+/* Helper function for "tile_net_update()".
+ * "dev" (i.e. arg) is the device being brought up or down,
+ * or NULL if all devices are now down.
+ */
+static void tile_net_update_cpu(void *arg)
+{
+ struct tile_net_info *info = &__get_cpu_var(per_cpu_info);
+ struct net_device *dev = arg;
+
+ if (!info->has_iqueue)
+ return;
+
+ if (dev != NULL) {
+ if (!info->napi_added) {
+ netif_napi_add(dev, &info->napi,
+ tile_net_poll, TILE_NET_WEIGHT);
+ info->napi_added = true;
+ }
+ if (!info->napi_enabled) {
+ napi_enable(&info->napi);
+ info->napi_enabled = true;
+ }
+ enable_percpu_irq(ingress_irq, 0);
+ } else {
+ disable_percpu_irq(ingress_irq);
+ if (info->napi_enabled) {
+ napi_disable(&info->napi);
+ info->napi_enabled = false;
+ }
+ /* FIXME: Drain the iqueue. */
+ }
+}
+
+/* Helper function for tile_net_open() and tile_net_stop().
+ * Always called under tile_net_devs_for_channel_mutex.
+ */
+static int tile_net_update(struct net_device *dev)
+{
+ static gxio_mpipe_rules_t rules; /* too big to fit on the stack */
+ bool saw_channel = false;
+ int channel;
+ int rc;
+ int cpu;
+
+ gxio_mpipe_rules_init(&rules, &context);
+
+ for (channel = 0; channel < TILE_NET_CHANNELS; channel++) {
+ if (tile_net_devs_for_channel[channel] == NULL)
+ continue;
+ if (!saw_channel) {
+ saw_channel = true;
+ gxio_mpipe_rules_begin(&rules, first_bucket,
+ num_buckets, NULL);
+ gxio_mpipe_rules_set_headroom(&rules, NET_IP_ALIGN);
+ }
+ gxio_mpipe_rules_add_channel(&rules, channel);
+ }
+
+ /* NOTE: This can fail if there is no classifier.
+ * ISSUE: Can anything else cause it to fail?
+ */
+ rc = gxio_mpipe_rules_commit(&rules);
+ if (rc != 0) {
+ netdev_warn(dev, "gxio_mpipe_rules_commit failed: %d\n", rc);
+ return -EIO;
+ }
+
+ /* Update all cpus, sequentially (to protect "netif_napi_add()"). */
+ for_each_online_cpu(cpu)
+ smp_call_function_single(cpu, tile_net_update_cpu,
+ (saw_channel ? dev : NULL), 1);
+
+ /* HACK: Allow packets to flow in the simulator. */
+ if (saw_channel)
+ sim_enable_mpipe_links(0, -1);
+
+ return 0;
+}
+
+/* Allocate and initialize mpipe buffer stacks, and register them in
+ * the mPIPE TLBs, for both small and large packet sizes.
+ * This routine supports tile_net_init_mpipe(), below.
+ */
+static int init_buffer_stacks(struct net_device *dev, int num_buffers)
+{
+ pte_t hash_pte = pte_set_home((pte_t) { 0 }, PAGE_HOME_HASH);
+ int rc;
+
+ /* Compute stack bytes; we round up to 64KB and then use
+ * alloc_pages() so we get the required 64KB alignment as well.
+ */
+ buffer_stack_size =
+ ALIGN(gxio_mpipe_calc_buffer_stack_bytes(num_buffers),
+ 64 * 1024);
+
+ /* Allocate two buffer stack indices. */
+ rc = gxio_mpipe_alloc_buffer_stacks(&context, 2, 0, 0);
+ if (rc < 0) {
+ netdev_err(dev, "gxio_mpipe_alloc_buffer_stacks failed: %d\n",
+ rc);
+ return rc;
+ }
+ small_buffer_stack = rc;
+ large_buffer_stack = rc + 1;
+
+ /* Allocate the small memory stack. */
+ small_buffer_stack_va =
+ alloc_pages_exact(buffer_stack_size, GFP_KERNEL);
+ if (small_buffer_stack_va == NULL) {
+ netdev_err(dev,
+ "Could not alloc %zd bytes for buffer stacks\n",
+ buffer_stack_size);
+ return -ENOMEM;
+ }
+ rc = gxio_mpipe_init_buffer_stack(&context, small_buffer_stack,
+ BUFFER_SIZE_SMALL_ENUM,
+ small_buffer_stack_va,
+ buffer_stack_size, 0);
+ if (rc != 0) {
+ netdev_err(dev, "gxio_mpipe_init_buffer_stack: %d\n", rc);
+ return rc;
+ }
+ rc = gxio_mpipe_register_client_memory(&context, small_buffer_stack,
+ hash_pte, 0);
+ if (rc != 0) {
+ netdev_err(dev,
+ "gxio_mpipe_register_buffer_memory failed: %d\n",
+ rc);
+ return rc;
+ }
+
+ /* Allocate the large buffer stack. */
+ large_buffer_stack_va =
+ alloc_pages_exact(buffer_stack_size, GFP_KERNEL);
+ if (large_buffer_stack_va == NULL) {
+ netdev_err(dev,
+ "Could not alloc %zd bytes for buffer stacks\n",
+ buffer_stack_size);
+ return -ENOMEM;
+ }
+ rc = gxio_mpipe_init_buffer_stack(&context, large_buffer_stack,
+ BUFFER_SIZE_LARGE_ENUM,
+ large_buffer_stack_va,
+ buffer_stack_size, 0);
+ if (rc != 0) {
+ netdev_err(dev, "gxio_mpipe_init_buffer_stack failed: %d\n",
+ rc);
+ return rc;
+ }
+ rc = gxio_mpipe_register_client_memory(&context, large_buffer_stack,
+ hash_pte, 0);
+ if (rc != 0) {
+ netdev_err(dev,
+ "gxio_mpipe_register_buffer_memory failed: %d\n",
+ rc);
+ return rc;
+ }
+
+ return 0;
+}
+
+/* Allocate per-cpu resources (memory for completions and idescs).
+ * This routine supports tile_net_init_mpipe(), below.
+ */
+static int alloc_percpu_mpipe_resources(struct net_device *dev,
+ int cpu, int ring)
+{
+ struct tile_net_info *info = &per_cpu(per_cpu_info, cpu);
+ int order, i, rc;
+ struct page *page;
+ void *addr;
+
+ /* Allocate the "comps". */
+ order = get_order(COMPS_SIZE);
+ page = homecache_alloc_pages(GFP_KERNEL, order, cpu);
+ if (page == NULL) {
+ netdev_err(dev, "Failed to alloc %zd bytes comps memory\n",
+ COMPS_SIZE);
+ return -ENOMEM;
+ }
+ addr = pfn_to_kaddr(page_to_pfn(page));
+ memset(addr, 0, COMPS_SIZE);
+ for (i = 0; i < TILE_NET_CHANNELS; i++)
+ info->comps_for_echannel[i] =
+ addr + i * sizeof(struct tile_net_comps);
+
+ /* If this is a network cpu, create an iqueue. */
+ if (cpu_isset(cpu, network_cpus_map)) {
+ order = get_order(NOTIF_RING_SIZE);
+ page = homecache_alloc_pages(GFP_KERNEL, order, cpu);
+ if (page == NULL) {
+ netdev_err(dev,
+ "Failed to alloc %zd bytes iqueue memory\n",
+ NOTIF_RING_SIZE);
+ return -ENOMEM;
+ }
+ addr = pfn_to_kaddr(page_to_pfn(page));
+ rc = gxio_mpipe_iqueue_init(&info->iqueue, &context, ring++,
+ addr, NOTIF_RING_SIZE, 0);
+ if (rc < 0) {
+ netdev_err(dev,
+ "gxio_mpipe_iqueue_init failed: %d\n", rc);
+ return rc;
+ }
+ info->has_iqueue = true;
+ }
+
+ return ring;
+}
+
+/* Initialize NotifGroup and buckets.
+ * This routine supports tile_net_init_mpipe(), below.
+ */
+static int init_notif_group_and_buckets(struct net_device *dev,
+ int ring, int network_cpus_count)
+{
+ int group, rc;
+
+ /* Allocate one NotifGroup. */
+ rc = gxio_mpipe_alloc_notif_groups(&context, 1, 0, 0);
+ if (rc < 0) {
+ netdev_err(dev, "gxio_mpipe_alloc_notif_groups failed: %d\n",
+ rc);
+ return rc;
+ }
+ group = rc;
+
+ /* Initialize global num_buckets value. */
+ if (network_cpus_count > 4)
+ num_buckets = 256;
+ else if (network_cpus_count > 1)
+ num_buckets = 16;
+
+ /* Allocate some buckets, and set global first_bucket value. */
+ rc = gxio_mpipe_alloc_buckets(&context, num_buckets, 0, 0);
+ if (rc < 0) {
+ netdev_err(dev, "gxio_mpipe_alloc_buckets failed: %d\n", rc);
+ return rc;
+ }
+ first_bucket = rc;
+
+ /* Init group and buckets. */
+ rc = gxio_mpipe_init_notif_group_and_buckets(
+ &context, group, ring, network_cpus_count,
+ first_bucket, num_buckets,
+ GXIO_MPIPE_BUCKET_STICKY_FLOW_LOCALITY);
+ if (rc != 0) {
+ netdev_err(
+ dev,
+ "gxio_mpipe_init_notif_group_and_buckets failed: %d\n",
+ rc);
+ return rc;
+ }
+
+ return 0;
+}
+
+/* Create an irq and register it, then activate the irq and request
+ * interrupts on all cores. Note that "ingress_irq" being initialized
+ * is how we know not to call tile_net_init_mpipe() again.
+ * This routine supports tile_net_init_mpipe(), below.
+ */
+static int tile_net_setup_interrupts(struct net_device *dev)
+{
+ int cpu, rc;
+
+ rc = create_irq();
+ if (rc < 0) {
+ netdev_err(dev, "create_irq failed: %d\n", rc);
+ return rc;
+ }
+ ingress_irq = rc;
+ tile_irq_activate(ingress_irq, TILE_IRQ_PERCPU);
+ rc = request_irq(ingress_irq, tile_net_handle_ingress_irq,
+ 0, NULL, NULL);
+ if (rc != 0) {
+ netdev_err(dev, "request_irq failed: %d\n", rc);
+ destroy_irq(ingress_irq);
+ ingress_irq = -1;
+ return rc;
+ }
+
+ for_each_online_cpu(cpu) {
+ struct tile_net_info *info = &per_cpu(per_cpu_info, cpu);
+ if (info->has_iqueue) {
+ gxio_mpipe_request_notif_ring_interrupt(
+ &context, cpu_x(cpu), cpu_y(cpu),
+ 1, ingress_irq, info->iqueue.ring);
+ }
+ }
+
+ return 0;
+}
+
+/* Undo any state set up partially by a failed call to tile_net_init_mpipe. */
+static void tile_net_init_mpipe_fail(void)
+{
+ int cpu;
+
+ /* Do cleanups that require the mpipe context first. */
+ if (small_buffer_stack >= 0)
+ tile_net_pop_all_buffers(small_buffer_stack);
+ if (large_buffer_stack >= 0)
+ tile_net_pop_all_buffers(large_buffer_stack);
+
+ /* Destroy mpipe context so the hardware no longer owns any memory. */
+ gxio_mpipe_destroy(&context);
+
+ for_each_online_cpu(cpu) {
+ struct tile_net_info *info = &per_cpu(per_cpu_info, cpu);
+ free_pages((unsigned long)(info->comps_for_echannel[0]),
+ get_order(COMPS_SIZE));
+ info->comps_for_echannel[0] = NULL;
+ free_pages((unsigned long)(info->iqueue.idescs),
+ get_order(NOTIF_RING_SIZE));
+ info->iqueue.idescs = NULL;
+ }
+
+ if (small_buffer_stack_va)
+ free_pages_exact(small_buffer_stack_va, buffer_stack_size);
+ if (large_buffer_stack_va)
+ free_pages_exact(large_buffer_stack_va, buffer_stack_size);
+
+ small_buffer_stack_va = NULL;
+ large_buffer_stack_va = NULL;
+ large_buffer_stack = -1;
+ small_buffer_stack = -1;
+ first_bucket = -1;
+}
+
+/* The first time any tilegx network device is opened, we initialize
+ * the global mpipe state. If this step fails, we fail to open the
+ * device, but if it succeeds, we never need to do it again, and since
+ * tile_net can't be unloaded, we never undo it.
+ *
+ * Note that some resources in this path (buffer stack indices,
+ * bindings from init_buffer_stack, etc.) are hypervisor resources
+ * that are freed implicitly by gxio_mpipe_destroy().
+ */
+static int tile_net_init_mpipe(struct net_device *dev)
+{
+ int i, num_buffers, rc;
+ int cpu;
+ int first_ring, ring;
+ int network_cpus_count = cpus_weight(network_cpus_map);
+
+ if (!hash_default) {
+ netdev_err(dev, "Networking requires hash_default!\n");
+ return -EIO;
+ }
+
+ rc = gxio_mpipe_init(&context, 0);
+ if (rc != 0) {
+ netdev_err(dev, "gxio_mpipe_init failed: %d\n", rc);
+ return -EIO;
+ }
+
+ /* Set up the buffer stacks. */
+ num_buffers =
+ network_cpus_count * (IQUEUE_ENTRIES + TILE_NET_BATCH);
+ rc = init_buffer_stacks(dev, num_buffers);
+ if (rc != 0)
+ goto fail;
+
+ /* Provide initial buffers. */
+ rc = -ENOMEM;
+ for (i = 0; i < num_buffers; i++) {
+ if (!tile_net_provide_buffer(true)) {
+ netdev_err(dev, "Cannot allocate initial sk_bufs!\n");
+ goto fail;
+ }
+ }
+ for (i = 0; i < num_buffers; i++) {
+ if (!tile_net_provide_buffer(false)) {
+ netdev_err(dev, "Cannot allocate initial sk_bufs!\n");
+ goto fail;
+ }
+ }
+
+ /* Allocate one NotifRing for each network cpu. */
+ rc = gxio_mpipe_alloc_notif_rings(&context, network_cpus_count, 0, 0);
+ if (rc < 0) {
+ netdev_err(dev, "gxio_mpipe_alloc_notif_rings failed %d\n",
+ rc);
+ goto fail;
+ }
+
+ /* Init NotifRings per-cpu. */
+ first_ring = rc;
+ ring = first_ring;
+ for_each_online_cpu(cpu) {
+ rc = alloc_percpu_mpipe_resources(dev, cpu, ring);
+ if (rc < 0)
+ goto fail;
+ ring = rc;
+ }
+
+ /* Initialize NotifGroup and buckets. */
+ rc = init_notif_group_and_buckets(dev, first_ring, network_cpus_count);
+ if (rc != 0)
+ goto fail;
+
+ /* Create and enable interrupts. */
+ rc = tile_net_setup_interrupts(dev);
+ if (rc != 0)
+ goto fail;
+
+ return 0;
+
+fail:
+ tile_net_init_mpipe_fail();
+ return rc;
+}
+
+/* Create persistent egress info for a given egress channel.
+ * Note that this may be shared between, say, "gbe0" and "xgbe0".
+ * ISSUE: Defer header allocation until TSO is actually needed?
+ */
+static int tile_net_init_egress(struct net_device *dev, int echannel)
+{
+ struct page *headers_page, *edescs_page, *equeue_page;
+ gxio_mpipe_edesc_t *edescs;
+ gxio_mpipe_equeue_t *equeue;
+ unsigned char *headers;
+ int headers_order, edescs_order, equeue_order;
+ size_t edescs_size;
+ int edma;
+ int rc = -ENOMEM;
+
+ /* Only initialize once. */
+ if (egress_for_echannel[echannel].equeue != NULL)
+ return 0;
+
+ /* Allocate memory for the "headers". */
+ headers_order = get_order(EQUEUE_ENTRIES * HEADER_BYTES);
+ headers_page = alloc_pages(GFP_KERNEL, headers_order);
+ if (headers_page == NULL) {
+ netdev_warn(dev,
+ "Could not alloc %zd bytes for TSO headers.\n",
+ PAGE_SIZE << headers_order);
+ goto fail;
+ }
+ headers = pfn_to_kaddr(page_to_pfn(headers_page));
+
+ /* Allocate memory for the "edescs". */
+ edescs_size = EQUEUE_ENTRIES * sizeof(*edescs);
+ edescs_order = get_order(edescs_size);
+ edescs_page = alloc_pages(GFP_KERNEL, edescs_order);
+ if (edescs_page == NULL) {
+ netdev_warn(dev,
+ "Could not alloc %zd bytes for eDMA ring.\n",
+ edescs_size);
+ goto fail_headers;
+ }
+ edescs = pfn_to_kaddr(page_to_pfn(edescs_page));
+
+ /* Allocate memory for the "equeue". */
+ equeue_order = get_order(sizeof(*equeue));
+ equeue_page = alloc_pages(GFP_KERNEL, equeue_order);
+ if (equeue_page == NULL) {
+ netdev_warn(dev,
+ "Could not alloc %zd bytes for equeue info.\n",
+ PAGE_SIZE << equeue_order);
+ goto fail_edescs;
+ }
+ equeue = pfn_to_kaddr(page_to_pfn(equeue_page));
+
+ /* Allocate an edma ring. Note that in practice this can't
+ * fail, which is good, because we will leak an edma ring if so.
+ */
+ rc = gxio_mpipe_alloc_edma_rings(&context, 1, 0, 0);
+ if (rc < 0) {
+ netdev_warn(dev, "gxio_mpipe_alloc_edma_rings failed: %d\n",
+ rc);
+ goto fail_equeue;
+ }
+ edma = rc;
+
+ /* Initialize the equeue. */
+ rc = gxio_mpipe_equeue_init(equeue, &context, edma, echannel,
+ edescs, edescs_size, 0);
+ if (rc != 0) {
+ netdev_err(dev, "gxio_mpipe_equeue_init failed: %d\n", rc);
+ goto fail_equeue;
+ }
+
+ /* Done. */
+ egress_for_echannel[echannel].equeue = equeue;
+ egress_for_echannel[echannel].headers = headers;
+ return 0;
+
+fail_equeue:
+ __free_pages(equeue_page, equeue_order);
+
+fail_edescs:
+ __free_pages(edescs_page, edescs_order);
+
+fail_headers:
+ __free_pages(headers_page, headers_order);
+
+fail:
+ return rc;
+}
+
+/* Return channel number for a newly-opened link. */
+static int tile_net_link_open(struct net_device *dev, gxio_mpipe_link_t *link,
+ const char *link_name)
+{
+ int rc = gxio_mpipe_link_open(link, &context, link_name, 0);
+ if (rc < 0) {
+ netdev_err(dev, "Failed to open '%s'\n", link_name);
+ return rc;
+ }
+ rc = gxio_mpipe_link_channel(link);
+ if (rc < 0 || rc >= TILE_NET_CHANNELS) {
+ netdev_err(dev, "gxio_mpipe_link_channel bad value: %d\n", rc);
+ gxio_mpipe_link_close(link);
+ return -EINVAL;
+ }
+ return rc;
+}
+
+/* Help the kernel activate the given network interface. */
+static int tile_net_open(struct net_device *dev)
+{
+ struct tile_net_priv *priv = netdev_priv(dev);
+ int cpu, rc;
+
+ mutex_lock(&tile_net_devs_for_channel_mutex);
+
+ /* Do one-time initialization the first time any device is opened. */
+ if (ingress_irq < 0) {
+ rc = tile_net_init_mpipe(dev);
+ if (rc != 0)
+ goto fail;
+ }
+
+ /* Determine if this is the "loopify" device. */
+ if (unlikely((loopify_link_name != NULL) &&
+ !strcmp(dev->name, loopify_link_name))) {
+ rc = tile_net_link_open(dev, &priv->link, "loop0");
+ if (rc < 0)
+ goto fail;
+ priv->channel = rc;
+ rc = tile_net_link_open(dev, &priv->loopify_link, "loop1");
+ if (rc < 0)
+ goto fail;
+ priv->loopify_channel = rc;
+ priv->echannel = rc;
+ } else {
+ rc = tile_net_link_open(dev, &priv->link, dev->name);
+ if (rc < 0)
+ goto fail;
+ priv->channel = rc;
+ priv->echannel = rc;
+ }
+
+ /* Initialize egress info (if needed). Once ever, per echannel. */
+ rc = tile_net_init_egress(dev, priv->echannel);
+ if (rc != 0)
+ goto fail;
+
+ tile_net_devs_for_channel[priv->channel] = dev;
+
+ rc = tile_net_update(dev);
+ if (rc != 0)
+ goto fail;
+
+ mutex_unlock(&tile_net_devs_for_channel_mutex);
+
+ /* Initialize the transmit wake timer for this device for each cpu. */
+ for_each_online_cpu(cpu) {
+ struct tile_net_info *info = &per_cpu(per_cpu_info, cpu);
+ struct tile_net_tx_wake *tx_wake =
+ &info->tx_wake[priv->echannel];
+
+ hrtimer_init(&tx_wake->timer, CLOCK_MONOTONIC,
+ HRTIMER_MODE_REL);
+ tx_wake->timer.function = tile_net_handle_tx_wake_timer;
+ tx_wake->dev = dev;
+ }
+
+ for_each_online_cpu(cpu)
+ netif_start_subqueue(dev, cpu);
+ netif_carrier_on(dev);
+ return 0;
+
+fail:
+ if (priv->loopify_channel >= 0) {
+ if (gxio_mpipe_link_close(&priv->loopify_link) != 0)
+ netdev_warn(dev, "Failed to close loopify link!\n");
+ priv->loopify_channel = -1;
+ }
+ if (priv->channel >= 0) {
+ if (gxio_mpipe_link_close(&priv->link) != 0)
+ netdev_warn(dev, "Failed to close link!\n");
+ priv->channel = -1;
+ }
+ priv->echannel = -1;
+ tile_net_devs_for_channel[priv->channel] = NULL;
+ mutex_unlock(&tile_net_devs_for_channel_mutex);
+
+ /* Don't return raw gxio error codes to generic Linux. */
+ return (rc > -512) ? rc : -EIO;
+}
+
+/* Help the kernel deactivate the given network interface. */
+static int tile_net_stop(struct net_device *dev)
+{
+ struct tile_net_priv *priv = netdev_priv(dev);
+ int cpu;
+
+ for_each_online_cpu(cpu) {
+ struct tile_net_info *info = &per_cpu(per_cpu_info, cpu);
+ struct tile_net_tx_wake *tx_wake =
+ &info->tx_wake[priv->echannel];
+
+ hrtimer_cancel(&tx_wake->timer);
+ netif_stop_subqueue(dev, cpu);
+ }
+
+ mutex_lock(&tile_net_devs_for_channel_mutex);
+ tile_net_devs_for_channel[priv->channel] = NULL;
+ (void)tile_net_update(dev);
+ if (priv->loopify_channel >= 0) {
+ if (gxio_mpipe_link_close(&priv->loopify_link) != 0)
+ netdev_warn(dev, "Failed to close loopify link!\n");
+ priv->loopify_channel = -1;
+ }
+ if (priv->channel >= 0) {
+ if (gxio_mpipe_link_close(&priv->link) != 0)
+ netdev_warn(dev, "Failed to close link!\n");
+ priv->channel = -1;
+ }
+ priv->echannel = -1;
+ mutex_unlock(&tile_net_devs_for_channel_mutex);
+
+ return 0;
+}
+
+/* Determine the VA for a fragment. */
+static inline void *tile_net_frag_buf(skb_frag_t *f)
+{
+ unsigned long pfn = page_to_pfn(skb_frag_page(f));
+ return pfn_to_kaddr(pfn) + f->page_offset;
+}
+
+/* Acquire a completion entry and an egress slot, or if we can't,
+ * stop the queue and schedule the tx_wake timer.
+ */
+static s64 tile_net_equeue_try_reserve(struct net_device *dev,
+ struct tile_net_comps *comps,
+ gxio_mpipe_equeue_t *equeue,
+ int num_edescs)
+{
+ /* Try to acquire a completion entry. */
+ if (comps->comp_next - comps->comp_last < TILE_NET_MAX_COMPS - 1 ||
+ tile_net_free_comps(equeue, comps, 32, false) != 0) {
+
+ /* Try to acquire an egress slot. */
+ s64 slot = gxio_mpipe_equeue_try_reserve(equeue, num_edescs);
+ if (slot >= 0)
+ return slot;
+
+ /* Freeing some completions gives the equeue time to drain. */
+ tile_net_free_comps(equeue, comps, TILE_NET_MAX_COMPS, false);
+
+ slot = gxio_mpipe_equeue_try_reserve(equeue, num_edescs);
+ if (slot >= 0)
+ return slot;
+ }
+
+ /* Still nothing; give up and stop the queue for a short while. */
+ netif_stop_subqueue(dev, smp_processor_id());
+ tile_net_schedule_tx_wake_timer(dev);
+ return -1;
+}
+
+/* Determine how many edesc's are needed for TSO.
+ *
+ * Sometimes, if "sendfile()" requires copying, we will be called with
+ * "data" containing the header and payload, with "frags" being empty.
+ * Sometimes, for example when using NFS over TCP, a single segment can
+ * span 3 fragments. This requires special care.
+ */
+static int tso_count_edescs(struct sk_buff *skb)
+{
+ struct skb_shared_info *sh = skb_shinfo(skb);
+ unsigned int data_len = skb->data_len;
+ unsigned int p_len = sh->gso_size;
+ long f_id = -1; /* id of the current fragment */
+ long f_size = -1; /* size of the current fragment */
+ long f_used = -1; /* bytes used from the current fragment */
+ long n; /* size of the current piece of payload */
+ int num_edescs = 0;
+ int segment;
+
+ for (segment = 0; segment < sh->gso_segs; segment++) {
+
+ unsigned int p_used = 0;
+
+ /* One edesc for header and for each piece of the payload. */
+ for (num_edescs++; p_used < p_len; num_edescs++) {
+
+ /* Advance as needed. */
+ while (f_used >= f_size) {
+ f_id++;
+ f_size = sh->frags[f_id].size;
+ f_used = 0;
+ }
+
+ /* Use bytes from the current fragment. */
+ n = p_len - p_used;
+ if (n > f_size - f_used)
+ n = f_size - f_used;
+ f_used += n;
+ p_used += n;
+ }
+
+ /* The last segment may be less than gso_size. */
+ data_len -= p_len;
+ if (data_len < p_len)
+ p_len = data_len;
+ }
+
+ return num_edescs;
+}
+
+/* Prepare modified copies of the skbuff headers.
+ * FIXME: add support for IPv6.
+ */
+static void tso_headers_prepare(struct sk_buff *skb, unsigned char *headers,
+ s64 slot)
+{
+ struct skb_shared_info *sh = skb_shinfo(skb);
+ struct iphdr *ih;
+ struct tcphdr *th;
+ unsigned int data_len = skb->data_len;
+ unsigned char *data = skb->data;
+ unsigned int ih_off, th_off, sh_len, p_len;
+ unsigned int isum_seed, tsum_seed, id, seq;
+ long f_id = -1; /* id of the current fragment */
+ long f_size = -1; /* size of the current fragment */
+ long f_used = -1; /* bytes used from the current fragment */
+ long n; /* size of the current piece of payload */
+ int segment;
+
+ /* Locate original headers and compute various lengths. */
+ ih = ip_hdr(skb);
+ th = tcp_hdr(skb);
+ ih_off = skb_network_offset(skb);
+ th_off = skb_transport_offset(skb);
+ sh_len = th_off + tcp_hdrlen(skb);
+ p_len = sh->gso_size;
+
+ /* Set up seed values for IP and TCP csum and initialize id and seq. */
+ isum_seed = ((0xFFFF - ih->check) +
+ (0xFFFF - ih->tot_len) +
+ (0xFFFF - ih->id));
+ tsum_seed = th->check + (0xFFFF ^ htons(skb->len));
+ id = ntohs(ih->id);
+ seq = ntohl(th->seq);
+
+ /* Prepare all the headers. */
+ for (segment = 0; segment < sh->gso_segs; segment++) {
+ unsigned char *buf;
+ unsigned int p_used = 0;
+
+ /* Copy to the header memory for this segment. */
+ buf = headers + (slot % EQUEUE_ENTRIES) * HEADER_BYTES +
+ NET_IP_ALIGN;
+ memcpy(buf, data, sh_len);
+
+ /* Update copied ip header. */
+ ih = (struct iphdr *)(buf + ih_off);
+ ih->tot_len = htons(sh_len + p_len - ih_off);
+ ih->id = htons(id);
+ ih->check = csum_long(isum_seed + ih->tot_len +
+ ih->id) ^ 0xffff;
+
+ /* Update copied tcp header. */
+ th = (struct tcphdr *)(buf + th_off);
+ th->seq = htonl(seq);
+ th->check = csum_long(tsum_seed + htons(sh_len + p_len));
+ if (segment != sh->gso_segs - 1) {
+ th->fin = 0;
+ th->psh = 0;
+ }
+
+ /* Skip past the header. */
+ slot++;
+
+ /* Skip past the payload. */
+ while (p_used < p_len) {
+
+ /* Advance as needed. */
+ while (f_used >= f_size) {
+ f_id++;
+ f_size = sh->frags[f_id].size;
+ f_used = 0;
+ }
+
+ /* Use bytes from the current fragment. */
+ n = p_len - p_used;
+ if (n > f_size - f_used)
+ n = f_size - f_used;
+ f_used += n;
+ p_used += n;
+
+ slot++;
+ }
+
+ id++;
+ seq += p_len;
+
+ /* The last segment may be less than gso_size. */
+ data_len -= p_len;
+ if (data_len < p_len)
+ p_len = data_len;
+ }
+
+ /* Flush the headers so they are ready for hardware DMA. */
+ wmb();
+}
+
+/* Pass all the data to mpipe for egress. */
+static void tso_egress(struct net_device *dev, gxio_mpipe_equeue_t *equeue,
+ struct sk_buff *skb, unsigned char *headers, s64 slot)
+{
+ struct tile_net_priv *priv = netdev_priv(dev);
+ struct skb_shared_info *sh = skb_shinfo(skb);
+ unsigned int data_len = skb->data_len;
+ unsigned int p_len = sh->gso_size;
+ gxio_mpipe_edesc_t edesc_head = { { 0 } };
+ gxio_mpipe_edesc_t edesc_body = { { 0 } };
+ long f_id = -1; /* id of the current fragment */
+ long f_size = -1; /* size of the current fragment */
+ long f_used = -1; /* bytes used from the current fragment */
+ long n; /* size of the current piece of payload */
+ unsigned long tx_packets = 0, tx_bytes = 0;
+ unsigned int csum_start, sh_len;
+ int segment;
+
+ /* Prepare to egress the headers: set up header edesc. */
+ csum_start = skb_checksum_start_offset(skb);
+ sh_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
+ edesc_head.csum = 1;
+ edesc_head.csum_start = csum_start;
+ edesc_head.csum_dest = csum_start + skb->csum_offset;
+ edesc_head.xfer_size = sh_len;
+
+ /* This is only used to specify the TLB. */
+ edesc_head.stack_idx = large_buffer_stack;
+ edesc_body.stack_idx = large_buffer_stack;
+
+ /* Egress all the edescs. */
+ for (segment = 0; segment < sh->gso_segs; segment++) {
+ void *va;
+ unsigned char *buf;
+ unsigned int p_used = 0;
+
+ /* Egress the header. */
+ buf = headers + (slot % EQUEUE_ENTRIES) * HEADER_BYTES +
+ NET_IP_ALIGN;
+ edesc_head.va = va_to_tile_io_addr(buf);
+ gxio_mpipe_equeue_put_at(equeue, edesc_head, slot);
+ slot++;
+
+ /* Egress the payload. */
+ while (p_used < p_len) {
+
+ /* Advance as needed. */
+ while (f_used >= f_size) {
+ f_id++;
+ f_size = sh->frags[f_id].size;
+ f_used = 0;
+ }
+
+ va = tile_net_frag_buf(&sh->frags[f_id]) + f_used;
+
+ /* Use bytes from the current fragment. */
+ n = p_len - p_used;
+ if (n > f_size - f_used)
+ n = f_size - f_used;
+ f_used += n;
+ p_used += n;
+
+ /* Egress a piece of the payload. */
+ edesc_body.va = va_to_tile_io_addr(va);
+ edesc_body.xfer_size = n;
+ edesc_body.bound = !(p_used < p_len);
+ gxio_mpipe_equeue_put_at(equeue, edesc_body, slot);
+ slot++;
+ }
+
+ tx_packets++;
+ tx_bytes += sh_len + p_len;
+
+ /* The last segment may be less than gso_size. */
+ data_len -= p_len;
+ if (data_len < p_len)
+ p_len = data_len;
+ }
+
+ /* Update stats. */
+ tile_net_stats_add(tx_packets, &priv->stats.tx_packets);
+ tile_net_stats_add(tx_bytes, &priv->stats.tx_bytes);
+}
+
+/* Do "TSO" handling for egress.
+ *
+ * Normally drivers set NETIF_F_TSO only to support hardware TSO;
+ * otherwise the stack uses scatter-gather to implement GSO in software.
+ * On our testing, enabling GSO support (via NETIF_F_SG) drops network
+ * performance down to around 7.5 Gbps on the 10G interfaces, although
+ * also dropping cpu utilization way down, to under 8%. But
+ * implementing "TSO" in the driver brings performance back up to line
+ * rate, while dropping cpu usage even further, to less than 4%. In
+ * practice, profiling of GSO shows that skb_segment() is what causes
+ * the performance overheads; we benefit in the driver from using
+ * preallocated memory to duplicate the TCP/IP headers.
+ */
+static int tile_net_tx_tso(struct sk_buff *skb, struct net_device *dev)
+{
+ struct tile_net_info *info = &__get_cpu_var(per_cpu_info);
+ struct tile_net_priv *priv = netdev_priv(dev);
+ int channel = priv->echannel;
+ struct tile_net_egress *egress = &egress_for_echannel[channel];
+ struct tile_net_comps *comps = info->comps_for_echannel[channel];
+ gxio_mpipe_equeue_t *equeue = egress->equeue;
+ unsigned long irqflags;
+ int num_edescs;
+ s64 slot;
+
+ /* Determine how many mpipe edesc's are needed. */
+ num_edescs = tso_count_edescs(skb);
+
+ local_irq_save(irqflags);
+
+ /* Try to acquire a completion entry and an egress slot. */
+ slot = tile_net_equeue_try_reserve(dev, comps, equeue, num_edescs);
+ if (slot < 0) {
+ local_irq_restore(irqflags);
+ return NETDEV_TX_BUSY;
+ }
+
+ /* Set up copies of header data properly. */
+ tso_headers_prepare(skb, egress->headers, slot);
+
+ /* Actually pass the data to the network hardware. */
+ tso_egress(dev, equeue, skb, egress->headers, slot);
+
+ /* Add a completion record. */
+ add_comp(equeue, comps, slot + num_edescs - 1, skb);
+
+ local_irq_restore(irqflags);
+
+ /* Make sure the egress timer is scheduled. */
+ tile_net_schedule_egress_timer();
+
+ return NETDEV_TX_OK;
+}
+
+/* Analyze the body and frags for a transmit request. */
+static unsigned int tile_net_tx_frags(struct frag *frags,
+ struct sk_buff *skb,
+ void *b_data, unsigned int b_len)
+{
+ unsigned int i, n = 0;
+
+ struct skb_shared_info *sh = skb_shinfo(skb);
+
+ if (b_len != 0) {
+ frags[n].buf = b_data;
+ frags[n++].length = b_len;
+ }
+
+ for (i = 0; i < sh->nr_frags; i++) {
+ skb_frag_t *f = &sh->frags[i];
+ frags[n].buf = tile_net_frag_buf(f);
+ frags[n++].length = skb_frag_size(f);
+ }
+
+ return n;
+}
+
+/* Help the kernel transmit a packet. */
+static int tile_net_tx(struct sk_buff *skb, struct net_device *dev)
+{
+ struct tile_net_info *info = &__get_cpu_var(per_cpu_info);
+ struct tile_net_priv *priv = netdev_priv(dev);
+ struct tile_net_egress *egress = &egress_for_echannel[priv->echannel];
+ gxio_mpipe_equeue_t *equeue = egress->equeue;
+ struct tile_net_comps *comps =
+ info->comps_for_echannel[priv->echannel];
+ unsigned int len = skb->len;
+ unsigned char *data = skb->data;
+ unsigned int num_edescs;
+ struct frag frags[MAX_FRAGS];
+ gxio_mpipe_edesc_t edescs[MAX_FRAGS];
+ unsigned long irqflags;
+ gxio_mpipe_edesc_t edesc = { { 0 } };
+ unsigned int i;
+ s64 slot;
+
+ if (skb_is_gso(skb))
+ return tile_net_tx_tso(skb, dev);
+
+ num_edescs = tile_net_tx_frags(frags, skb, data, skb_headlen(skb));
+
+ /* This is only used to specify the TLB. */
+ edesc.stack_idx = large_buffer_stack;
+
+ /* Prepare the edescs. */
+ for (i = 0; i < num_edescs; i++) {
+ edesc.xfer_size = frags[i].length;
+ edesc.va = va_to_tile_io_addr(frags[i].buf);
+ edescs[i] = edesc;
+ }
+
+ /* Mark the final edesc. */
+ edescs[num_edescs - 1].bound = 1;
+
+ /* Add checksum info to the initial edesc, if needed. */
+ if (skb->ip_summed == CHECKSUM_PARTIAL) {
+ unsigned int csum_start = skb_checksum_start_offset(skb);
+ edescs[0].csum = 1;
+ edescs[0].csum_start = csum_start;
+ edescs[0].csum_dest = csum_start + skb->csum_offset;
+ }
+
+ local_irq_save(irqflags);
+
+ /* Try to acquire a completion entry and an egress slot. */
+ slot = tile_net_equeue_try_reserve(dev, comps, equeue, num_edescs);
+ if (slot < 0) {
+ local_irq_restore(irqflags);
+ return NETDEV_TX_BUSY;
+ }
+
+ for (i = 0; i < num_edescs; i++)
+ gxio_mpipe_equeue_put_at(equeue, edescs[i], slot++);
+
+ /* Add a completion record. */
+ add_comp(equeue, comps, slot - 1, skb);
+
+ /* NOTE: Use ETH_ZLEN for short packets (e.g. 42 < 60). */
+ tile_net_stats_add(1, &priv->stats.tx_packets);
+ tile_net_stats_add(max_t(unsigned int, len, ETH_ZLEN),
+ &priv->stats.tx_bytes);
+
+ local_irq_restore(irqflags);
+
+ /* Make sure the egress timer is scheduled. */
+ tile_net_schedule_egress_timer();
+
+ return NETDEV_TX_OK;
+}
+
+/* Return subqueue id on this core (one per core). */
+static u16 tile_net_select_queue(struct net_device *dev, struct sk_buff *skb)
+{
+ return smp_processor_id();
+}
+
+/* Deal with a transmit timeout. */
+static void tile_net_tx_timeout(struct net_device *dev)
+{
+ int cpu;
+
+ for_each_online_cpu(cpu)
+ netif_wake_subqueue(dev, cpu);
+}
+
+/* Ioctl commands. */
+static int tile_net_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
+{
+ return -EOPNOTSUPP;
+}
+
+/* Get system network statistics for device. */
+static struct net_device_stats *tile_net_get_stats(struct net_device *dev)
+{
+ struct tile_net_priv *priv = netdev_priv(dev);
+ return &priv->stats;
+}
+
+/* Change the MTU. */
+static int tile_net_change_mtu(struct net_device *dev, int new_mtu)
+{
+ if ((new_mtu < 68) || (new_mtu > 1500))
+ return -EINVAL;
+ dev->mtu = new_mtu;
+ return 0;
+}
+
+/* Change the Ethernet address of the NIC.
+ *
+ * The hypervisor driver does not support changing MAC address. However,
+ * the hardware does not do anything with the MAC address, so the address
+ * which gets used on outgoing packets, and which is accepted on incoming
+ * packets, is completely up to us.
+ *
+ * Returns 0 on success, negative on failure.
+ */
+static int tile_net_set_mac_address(struct net_device *dev, void *p)
+{
+ struct sockaddr *addr = p;
+
+ if (!is_valid_ether_addr(addr->sa_data))
+ return -EINVAL;
+ memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
+ return 0;
+}
+
+#ifdef CONFIG_NET_POLL_CONTROLLER
+/* Polling 'interrupt' - used by things like netconsole to send skbs
+ * without having to re-enable interrupts. It's not called while
+ * the interrupt routine is executing.
+ */
+static void tile_net_netpoll(struct net_device *dev)
+{
+ disable_percpu_irq(ingress_irq);
+ tile_net_handle_ingress_irq(ingress_irq, NULL);
+ enable_percpu_irq(ingress_irq, 0);
+}
+#endif
+
+static const struct net_device_ops tile_net_ops = {
+ .ndo_open = tile_net_open,
+ .ndo_stop = tile_net_stop,
+ .ndo_start_xmit = tile_net_tx,
+ .ndo_select_queue = tile_net_select_queue,
+ .ndo_do_ioctl = tile_net_ioctl,
+ .ndo_get_stats = tile_net_get_stats,
+ .ndo_change_mtu = tile_net_change_mtu,
+ .ndo_tx_timeout = tile_net_tx_timeout,
+ .ndo_set_mac_address = tile_net_set_mac_address,
+#ifdef CONFIG_NET_POLL_CONTROLLER
+ .ndo_poll_controller = tile_net_netpoll,
+#endif
+};
+
+/* The setup function.
+ *
+ * This uses ether_setup() to assign various fields in dev, including
+ * setting IFF_BROADCAST and IFF_MULTICAST, then sets some extra fields.
+ */
+static void tile_net_setup(struct net_device *dev)
+{
+ ether_setup(dev);
+ dev->netdev_ops = &tile_net_ops;
+ dev->watchdog_timeo = TILE_NET_TIMEOUT;
+ dev->features |= NETIF_F_LLTX;
+ dev->features |= NETIF_F_HW_CSUM;
+ dev->features |= NETIF_F_SG;
+ dev->features |= NETIF_F_TSO;
+ dev->mtu = 1500;
+}
+
+/* Allocate the device structure, register the device, and obtain the
+ * MAC address from the hypervisor.
+ */
+static void tile_net_dev_init(const char *name, const uint8_t *mac)
+{
+ int ret;
+ int i;
+ int nz_addr = 0;
+ struct net_device *dev;
+ struct tile_net_priv *priv;
+
+ /* HACK: Ignore "loop" links. */
+ if (strncmp(name, "loop", 4) == 0)
+ return;
+
+ /* Allocate the device structure. Normally, "name" is a
+ * template, instantiated by register_netdev(), but not for us.
+ */
+ dev = alloc_netdev_mqs(sizeof(*priv), name, tile_net_setup,
+ NR_CPUS, 1);
+ if (!dev) {
+ pr_err("alloc_netdev_mqs(%s) failed\n", name);
+ return;
+ }
+
+ /* Initialize "priv". */
+ priv = netdev_priv(dev);
+ memset(priv, 0, sizeof(*priv));
+ priv->dev = dev;
+ priv->channel = -1;
+ priv->loopify_channel = -1;
+ priv->echannel = -1;
+
+ /* Get the MAC address and set it in the device struct; this must
+ * be done before the device is opened. If the MAC is all zeroes,
+ * we use a random address, since we're probably on the simulator.
+ */
+ for (i = 0; i < 6; i++)
+ nz_addr |= mac[i];
+
+ if (nz_addr) {
+ memcpy(dev->dev_addr, mac, 6);
+ dev->addr_len = 6;
+ } else {
+ random_ether_addr(dev->dev_addr);
+ }
+
+ /* Register the network device. */
+ ret = register_netdev(dev);
+ if (ret) {
+ netdev_err(dev, "register_netdev failed %d\n", ret);
+ free_netdev(dev);
+ return;
+ }
+}
+
+/* Per-cpu module initialization. */
+static void tile_net_init_module_percpu(void *unused)
+{
+ struct tile_net_info *info = &__get_cpu_var(per_cpu_info);
+ int my_cpu = smp_processor_id();
+
+ info->has_iqueue = false;
+
+ info->my_cpu = my_cpu;
+
+ /* Initialize the egress timer. */
+ hrtimer_init(&info->egress_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
+ info->egress_timer.function = tile_net_handle_egress_timer;
+}
+
+/* Module initialization. */
+static int __init tile_net_init_module(void)
+{
+ int i;
+ char name[GXIO_MPIPE_LINK_NAME_LEN];
+ uint8_t mac[6];
+
+ pr_info("Tilera Network Driver\n");
+
+ mutex_init(&tile_net_devs_for_channel_mutex);
+
+ /* Initialize each CPU. */
+ on_each_cpu(tile_net_init_module_percpu, NULL, 1);
+
+ /* Find out what devices we have, and initialize them. */
+ for (i = 0; gxio_mpipe_link_enumerate_mac(i, name, mac) >= 0; i++)
+ tile_net_dev_init(name, mac);
+
+ if (!network_cpus_init())
+ network_cpus_map = *cpu_online_mask;
+
+ return 0;
+}
+
+module_init(tile_net_init_module);
diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h
index 4ffcd57..2857ab07 100644
--- a/drivers/net/hyperv/hyperv_net.h
+++ b/drivers/net/hyperv/hyperv_net.h
@@ -478,6 +478,7 @@ struct netvsc_device {
u32 nvsp_version;
atomic_t num_outstanding_sends;
+ wait_queue_head_t wait_drain;
bool start_remove;
bool destroy;
/*
diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c
index 8b91947..0c56983 100644
--- a/drivers/net/hyperv/netvsc.c
+++ b/drivers/net/hyperv/netvsc.c
@@ -42,6 +42,7 @@ static struct netvsc_device *alloc_net_device(struct hv_device *device)
if (!net_device)
return NULL;
+ init_waitqueue_head(&net_device->wait_drain);
net_device->start_remove = false;
net_device->destroy = false;
net_device->dev = device;
@@ -387,12 +388,8 @@ int netvsc_device_remove(struct hv_device *device)
spin_unlock_irqrestore(&device->channel->inbound_lock, flags);
/* Wait for all send completions */
- while (atomic_read(&net_device->num_outstanding_sends)) {
- dev_info(&device->device,
- "waiting for %d requests to complete...\n",
- atomic_read(&net_device->num_outstanding_sends));
- udelay(100);
- }
+ wait_event(net_device->wait_drain,
+ atomic_read(&net_device->num_outstanding_sends) == 0);
netvsc_disconnect_vsp(net_device);
@@ -486,6 +483,9 @@ static void netvsc_send_completion(struct hv_device *device,
num_outstanding_sends =
atomic_dec_return(&net_device->num_outstanding_sends);
+ if (net_device->destroy && num_outstanding_sends == 0)
+ wake_up(&net_device->wait_drain);
+
if (netif_queue_stopped(ndev) && !net_device->start_remove &&
(hv_ringbuf_avail_percent(&device->channel->outbound)
> RING_AVAIL_PERCENT_HIWATER ||
diff --git a/drivers/net/phy/icplus.c b/drivers/net/phy/icplus.c
index 5ac46f5..47f8e89 100644
--- a/drivers/net/phy/icplus.c
+++ b/drivers/net/phy/icplus.c
@@ -41,6 +41,8 @@ MODULE_LICENSE("GPL");
#define IP1001_APS_ON 11 /* IP1001 APS Mode bit */
#define IP101A_G_APS_ON 2 /* IP101A/G APS Mode bit */
#define IP101A_G_IRQ_CONF_STATUS 0x11 /* Conf Info IRQ & Status Reg */
+#define IP101A_G_IRQ_PIN_USED (1<<15) /* INTR pin used */
+#define IP101A_G_IRQ_DEFAULT IP101A_G_IRQ_PIN_USED
static int ip175c_config_init(struct phy_device *phydev)
{
@@ -136,6 +138,11 @@ static int ip1001_config_init(struct phy_device *phydev)
if (c < 0)
return c;
+ /* INTR pin used: speed/link/duplex will cause an interrupt */
+ c = phy_write(phydev, IP101A_G_IRQ_CONF_STATUS, IP101A_G_IRQ_DEFAULT);
+ if (c < 0)
+ return c;
+
if (phydev->interface == PHY_INTERFACE_MODE_RGMII) {
/* Additional delay (2ns) used to adjust RX clock phase
* at RGMII interface */
diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c
index 683ef1c..5061608 100644
--- a/drivers/net/phy/mdio_bus.c
+++ b/drivers/net/phy/mdio_bus.c
@@ -96,7 +96,7 @@ static int of_mdio_bus_match(struct device *dev, void *mdio_bus_np)
}
/**
* of_mdio_find_bus - Given an mii_bus node, find the mii_bus.
- * @mdio_np: Pointer to the mii_bus.
+ * @mdio_bus_np: Pointer to the mii_bus.
*
* Returns a pointer to the mii_bus, or NULL if none found.
*
diff --git a/drivers/net/usb/sierra_net.c b/drivers/net/usb/sierra_net.c
index 3faef56..d75d1f5 100644
--- a/drivers/net/usb/sierra_net.c
+++ b/drivers/net/usb/sierra_net.c
@@ -946,7 +946,7 @@ struct sk_buff *sierra_net_tx_fixup(struct usbnet *dev, struct sk_buff *skb,
}
static const u8 sierra_net_ifnum_list[] = { 7, 10, 11 };
-static const struct sierra_net_info_data sierra_net_info_data_68A3 = {
+static const struct sierra_net_info_data sierra_net_info_data_direct_ip = {
.rx_urb_size = 8 * 1024,
.whitelist = {
.infolen = ARRAY_SIZE(sierra_net_ifnum_list),
@@ -954,7 +954,7 @@ static const struct sierra_net_info_data sierra_net_info_data_68A3 = {
}
};
-static const struct driver_info sierra_net_info_68A3 = {
+static const struct driver_info sierra_net_info_direct_ip = {
.description = "Sierra Wireless USB-to-WWAN Modem",
.flags = FLAG_WWAN | FLAG_SEND_ZLP,
.bind = sierra_net_bind,
@@ -962,12 +962,18 @@ static const struct driver_info sierra_net_info_68A3 = {
.status = sierra_net_status,
.rx_fixup = sierra_net_rx_fixup,
.tx_fixup = sierra_net_tx_fixup,
- .data = (unsigned long)&sierra_net_info_data_68A3,
+ .data = (unsigned long)&sierra_net_info_data_direct_ip,
};
static const struct usb_device_id products[] = {
{USB_DEVICE(0x1199, 0x68A3), /* Sierra Wireless USB-to-WWAN modem */
- .driver_info = (unsigned long) &sierra_net_info_68A3},
+ .driver_info = (unsigned long) &sierra_net_info_direct_ip},
+ {USB_DEVICE(0x0F3D, 0x68A3), /* AT&T Direct IP modem */
+ .driver_info = (unsigned long) &sierra_net_info_direct_ip},
+ {USB_DEVICE(0x1199, 0x68AA), /* Sierra Wireless Direct IP LTE modem */
+ .driver_info = (unsigned long) &sierra_net_info_direct_ip},
+ {USB_DEVICE(0x0F3D, 0x68AA), /* AT&T Direct IP LTE modem */
+ .driver_info = (unsigned long) &sierra_net_info_direct_ip},
{}, /* last item */
};
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 5214b1e..f18149a 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -42,7 +42,8 @@ module_param(gso, bool, 0444);
#define VIRTNET_DRIVER_VERSION "1.0.0"
struct virtnet_stats {
- struct u64_stats_sync syncp;
+ struct u64_stats_sync tx_syncp;
+ struct u64_stats_sync rx_syncp;
u64 tx_bytes;
u64 tx_packets;
@@ -300,10 +301,10 @@ static void receive_buf(struct net_device *dev, void *buf, unsigned int len)
hdr = skb_vnet_hdr(skb);
- u64_stats_update_begin(&stats->syncp);
+ u64_stats_update_begin(&stats->rx_syncp);
stats->rx_bytes += skb->len;
stats->rx_packets++;
- u64_stats_update_end(&stats->syncp);
+ u64_stats_update_end(&stats->rx_syncp);
if (hdr->hdr.flags & VIRTIO_NET_HDR_F_NEEDS_CSUM) {
pr_debug("Needs csum!\n");
@@ -565,10 +566,10 @@ static unsigned int free_old_xmit_skbs(struct virtnet_info *vi)
while ((skb = virtqueue_get_buf(vi->svq, &len)) != NULL) {
pr_debug("Sent skb %p\n", skb);
- u64_stats_update_begin(&stats->syncp);
+ u64_stats_update_begin(&stats->tx_syncp);
stats->tx_bytes += skb->len;
stats->tx_packets++;
- u64_stats_update_end(&stats->syncp);
+ u64_stats_update_end(&stats->tx_syncp);
tot_sgs += skb_vnet_hdr(skb)->num_sg;
dev_kfree_skb_any(skb);
@@ -703,12 +704,16 @@ static struct rtnl_link_stats64 *virtnet_stats(struct net_device *dev,
u64 tpackets, tbytes, rpackets, rbytes;
do {
- start = u64_stats_fetch_begin(&stats->syncp);
+ start = u64_stats_fetch_begin(&stats->tx_syncp);
tpackets = stats->tx_packets;
tbytes = stats->tx_bytes;
+ } while (u64_stats_fetch_retry(&stats->tx_syncp, start));
+
+ do {
+ start = u64_stats_fetch_begin(&stats->rx_syncp);
rpackets = stats->rx_packets;
rbytes = stats->rx_bytes;
- } while (u64_stats_fetch_retry(&stats->syncp, start));
+ } while (u64_stats_fetch_retry(&stats->rx_syncp, start));
tot->rx_packets += rpackets;
tot->tx_packets += tpackets;
diff --git a/drivers/net/wireless/b43/b43.h b/drivers/net/wireless/b43/b43.h
index 67c13af..c06b6cb 100644
--- a/drivers/net/wireless/b43/b43.h
+++ b/drivers/net/wireless/b43/b43.h
@@ -877,6 +877,10 @@ struct b43_wl {
* from the mac80211 subsystem. */
u16 mac80211_initially_registered_queues;
+ /* Set this if we call ieee80211_register_hw() and check if we call
+ * ieee80211_unregister_hw(). */
+ bool hw_registred;
+
/* We can only have one operating interface (802.11 core)
* at a time. General information about this interface follows.
*/
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index 5a39b22..acd03a4 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -2437,6 +2437,7 @@ start_ieee80211:
err = ieee80211_register_hw(wl->hw);
if (err)
goto err_one_core_detach;
+ wl->hw_registred = true;
b43_leds_register(wl->current_dev);
goto out;
@@ -5299,6 +5300,7 @@ static struct b43_wl *b43_wireless_init(struct b43_bus_dev *dev)
hw->queues = modparam_qos ? B43_QOS_QUEUE_NUM : 1;
wl->mac80211_initially_registered_queues = hw->queues;
+ wl->hw_registred = false;
hw->max_rates = 2;
SET_IEEE80211_DEV(hw, dev->dev);
if (is_valid_ether_addr(sprom->et1mac))
@@ -5370,12 +5372,15 @@ static void b43_bcma_remove(struct bcma_device *core)
* as the ieee80211 unreg will destroy the workqueue. */
cancel_work_sync(&wldev->restart_work);
- /* Restore the queues count before unregistering, because firmware detect
- * might have modified it. Restoring is important, so the networking
- * stack can properly free resources. */
- wl->hw->queues = wl->mac80211_initially_registered_queues;
- b43_leds_stop(wldev);
- ieee80211_unregister_hw(wl->hw);
+ B43_WARN_ON(!wl);
+ if (wl->current_dev == wldev && wl->hw_registred) {
+ /* Restore the queues count before unregistering, because firmware detect
+ * might have modified it. Restoring is important, so the networking
+ * stack can properly free resources. */
+ wl->hw->queues = wl->mac80211_initially_registered_queues;
+ b43_leds_stop(wldev);
+ ieee80211_unregister_hw(wl->hw);
+ }
b43_one_core_detach(wldev->dev);
@@ -5446,7 +5451,7 @@ static void b43_ssb_remove(struct ssb_device *sdev)
cancel_work_sync(&wldev->restart_work);
B43_WARN_ON(!wl);
- if (wl->current_dev == wldev) {
+ if (wl->current_dev == wldev && wl->hw_registred) {
/* Restore the queues count before unregistering, because firmware detect
* might have modified it. Restoring is important, so the networking
* stack can properly free resources. */
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c
index e2480d1..8e7e692 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c
@@ -89,9 +89,9 @@ int brcmf_sdio_intr_register(struct brcmf_sdio_dev *sdiodev)
data |= 1 << SDIO_FUNC_1 | 1 << SDIO_FUNC_2 | 1;
brcmf_sdio_regwb(sdiodev, SDIO_CCCR_IENx, data, &ret);
- /* redirect, configure ane enable io for interrupt signal */
+ /* redirect, configure and enable io for interrupt signal */
data = SDIO_SEPINT_MASK | SDIO_SEPINT_OE;
- if (sdiodev->irq_flags | IRQF_TRIGGER_HIGH)
+ if (sdiodev->irq_flags & IRQF_TRIGGER_HIGH)
data |= SDIO_SEPINT_ACT_HI;
brcmf_sdio_regwb(sdiodev, SDIO_CCCR_BRCM_SEPINT, data, &ret);
diff --git a/drivers/net/wireless/ipw2x00/ipw2100.c b/drivers/net/wireless/ipw2x00/ipw2100.c
index 9cfae0c..95aa8e1 100644
--- a/drivers/net/wireless/ipw2x00/ipw2100.c
+++ b/drivers/net/wireless/ipw2x00/ipw2100.c
@@ -1903,14 +1903,6 @@ static void ipw2100_down(struct ipw2100_priv *priv)
netif_stop_queue(priv->net_dev);
}
-/* Called by register_netdev() */
-static int ipw2100_net_init(struct net_device *dev)
-{
- struct ipw2100_priv *priv = libipw_priv(dev);
-
- return ipw2100_up(priv, 1);
-}
-
static int ipw2100_wdev_init(struct net_device *dev)
{
struct ipw2100_priv *priv = libipw_priv(dev);
@@ -6087,7 +6079,6 @@ static const struct net_device_ops ipw2100_netdev_ops = {
.ndo_stop = ipw2100_close,
.ndo_start_xmit = libipw_xmit,
.ndo_change_mtu = libipw_change_mtu,
- .ndo_init = ipw2100_net_init,
.ndo_tx_timeout = ipw2100_tx_timeout,
.ndo_set_mac_address = ipw2100_set_address,
.ndo_validate_addr = eth_validate_addr,
@@ -6329,6 +6320,10 @@ static int ipw2100_pci_init_one(struct pci_dev *pci_dev,
printk(KERN_INFO DRV_NAME
": Detected Intel PRO/Wireless 2100 Network Connection\n");
+ err = ipw2100_up(priv, 1);
+ if (err)
+ goto fail;
+
err = ipw2100_wdev_init(dev);
if (err)
goto fail;
@@ -6338,12 +6333,7 @@ static int ipw2100_pci_init_one(struct pci_dev *pci_dev,
* network device we would call ipw2100_up. This introduced a race
* condition with newer hotplug configurations (network was coming
* up and making calls before the device was initialized).
- *
- * If we called ipw2100_up before we registered the device, then the
- * device name wasn't registered. So, we instead use the net_dev->init
- * member to call a function that then just turns and calls ipw2100_up.
- * net_dev->init is called after name allocation but before the
- * notifier chain is called */
+ */
err = register_netdev(dev);
if (err) {
printk(KERN_WARNING DRV_NAME
diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c
index 19f7ee8..e5e8ada 100644
--- a/drivers/net/wireless/iwlwifi/iwl-6000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-6000.c
@@ -35,17 +35,20 @@
#define IWL6000_UCODE_API_MAX 6
#define IWL6050_UCODE_API_MAX 5
#define IWL6000G2_UCODE_API_MAX 6
+#define IWL6035_UCODE_API_MAX 6
/* Oldest version we won't warn about */
#define IWL6000_UCODE_API_OK 4
#define IWL6000G2_UCODE_API_OK 5
#define IWL6050_UCODE_API_OK 5
#define IWL6000G2B_UCODE_API_OK 6
+#define IWL6035_UCODE_API_OK 6
/* Lowest firmware API version supported */
#define IWL6000_UCODE_API_MIN 4
#define IWL6050_UCODE_API_MIN 4
-#define IWL6000G2_UCODE_API_MIN 4
+#define IWL6000G2_UCODE_API_MIN 5
+#define IWL6035_UCODE_API_MIN 6
/* EEPROM versions */
#define EEPROM_6000_TX_POWER_VERSION (4)
@@ -227,9 +230,25 @@ const struct iwl_cfg iwl6030_2bg_cfg = {
IWL_DEVICE_6030,
};
+#define IWL_DEVICE_6035 \
+ .fw_name_pre = IWL6030_FW_PRE, \
+ .ucode_api_max = IWL6035_UCODE_API_MAX, \
+ .ucode_api_ok = IWL6035_UCODE_API_OK, \
+ .ucode_api_min = IWL6035_UCODE_API_MIN, \
+ .device_family = IWL_DEVICE_FAMILY_6030, \
+ .max_inst_size = IWL60_RTC_INST_SIZE, \
+ .max_data_size = IWL60_RTC_DATA_SIZE, \
+ .eeprom_ver = EEPROM_6030_EEPROM_VERSION, \
+ .eeprom_calib_ver = EEPROM_6030_TX_POWER_VERSION, \
+ .base_params = &iwl6000_g2_base_params, \
+ .bt_params = &iwl6000_bt_params, \
+ .need_temp_offset_calib = true, \
+ .led_mode = IWL_LED_RF_STATE, \
+ .adv_pm = true
+
const struct iwl_cfg iwl6035_2agn_cfg = {
.name = "Intel(R) Centrino(R) Advanced-N 6235 AGN",
- IWL_DEVICE_6030,
+ IWL_DEVICE_6035,
.ht_params = &iwl6000_ht_params,
};
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-sta.c b/drivers/net/wireless/iwlwifi/iwl-agn-sta.c
index aea07aa..eb6a8ea 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-sta.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-sta.c
@@ -1267,7 +1267,7 @@ int iwl_remove_dynamic_key(struct iwl_priv *priv,
key_flags |= STA_KEY_MULTICAST_MSK;
sta_cmd.key.key_flags = key_flags;
- sta_cmd.key.key_offset = WEP_INVALID_OFFSET;
+ sta_cmd.key.key_offset = keyconf->hw_key_idx;
sta_cmd.sta.modify_mask = STA_MODIFY_KEY_MASK;
sta_cmd.mode = STA_CONTROL_MODIFY_MSK;
diff --git a/drivers/net/wireless/iwlwifi/iwl-drv.c b/drivers/net/wireless/iwlwifi/iwl-drv.c
index d742900..fac67a5 100644
--- a/drivers/net/wireless/iwlwifi/iwl-drv.c
+++ b/drivers/net/wireless/iwlwifi/iwl-drv.c
@@ -861,13 +861,18 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context)
/* We have our copies now, allow OS release its copies */
release_firmware(ucode_raw);
- complete(&drv->request_firmware_complete);
drv->op_mode = iwl_dvm_ops.start(drv->trans, drv->cfg, &drv->fw);
if (!drv->op_mode)
- goto out_free_fw;
+ goto out_unbind;
+ /*
+ * Complete the firmware request last so that
+ * a driver unbind (stop) doesn't run while we
+ * are doing the start() above.
+ */
+ complete(&drv->request_firmware_complete);
return;
try_again:
diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom.c b/drivers/net/wireless/iwlwifi/iwl-eeprom.c
index 50c5891..b8e2b22 100644
--- a/drivers/net/wireless/iwlwifi/iwl-eeprom.c
+++ b/drivers/net/wireless/iwlwifi/iwl-eeprom.c
@@ -568,28 +568,28 @@ static int iwl_find_otp_image(struct iwl_trans *trans,
* iwl_get_max_txpower_avg - get the highest tx power from all chains.
* find the highest tx power from all chains for the channel
*/
-static s8 iwl_get_max_txpower_avg(const struct iwl_cfg *cfg,
+static s8 iwl_get_max_txpower_avg(struct iwl_priv *priv,
struct iwl_eeprom_enhanced_txpwr *enhanced_txpower,
int element, s8 *max_txpower_in_half_dbm)
{
s8 max_txpower_avg = 0; /* (dBm) */
/* Take the highest tx power from any valid chains */
- if ((cfg->valid_tx_ant & ANT_A) &&
+ if ((priv->hw_params.valid_tx_ant & ANT_A) &&
(enhanced_txpower[element].chain_a_max > max_txpower_avg))
max_txpower_avg = enhanced_txpower[element].chain_a_max;
- if ((cfg->valid_tx_ant & ANT_B) &&
+ if ((priv->hw_params.valid_tx_ant & ANT_B) &&
(enhanced_txpower[element].chain_b_max > max_txpower_avg))
max_txpower_avg = enhanced_txpower[element].chain_b_max;
- if ((cfg->valid_tx_ant & ANT_C) &&
+ if ((priv->hw_params.valid_tx_ant & ANT_C) &&
(enhanced_txpower[element].chain_c_max > max_txpower_avg))
max_txpower_avg = enhanced_txpower[element].chain_c_max;
- if (((cfg->valid_tx_ant == ANT_AB) |
- (cfg->valid_tx_ant == ANT_BC) |
- (cfg->valid_tx_ant == ANT_AC)) &&
+ if (((priv->hw_params.valid_tx_ant == ANT_AB) |
+ (priv->hw_params.valid_tx_ant == ANT_BC) |
+ (priv->hw_params.valid_tx_ant == ANT_AC)) &&
(enhanced_txpower[element].mimo2_max > max_txpower_avg))
max_txpower_avg = enhanced_txpower[element].mimo2_max;
- if ((cfg->valid_tx_ant == ANT_ABC) &&
+ if ((priv->hw_params.valid_tx_ant == ANT_ABC) &&
(enhanced_txpower[element].mimo3_max > max_txpower_avg))
max_txpower_avg = enhanced_txpower[element].mimo3_max;
@@ -691,7 +691,7 @@ static void iwl_eeprom_enhanced_txpower(struct iwl_priv *priv)
((txp->delta_20_in_40 & 0xf0) >> 4),
(txp->delta_20_in_40 & 0x0f));
- max_txp_avg = iwl_get_max_txpower_avg(priv->cfg, txp_array, idx,
+ max_txp_avg = iwl_get_max_txpower_avg(priv, txp_array, idx,
&max_txp_avg_halfdbm);
/*
diff --git a/drivers/net/wireless/iwlwifi/iwl-mac80211.c b/drivers/net/wireless/iwlwifi/iwl-mac80211.c
index ab2f4d75..3ee23134 100644
--- a/drivers/net/wireless/iwlwifi/iwl-mac80211.c
+++ b/drivers/net/wireless/iwlwifi/iwl-mac80211.c
@@ -199,6 +199,7 @@ int iwlagn_mac_setup_register(struct iwl_priv *priv,
WIPHY_FLAG_DISABLE_BEACON_HINTS |
WIPHY_FLAG_IBSS_RSN;
+#ifdef CONFIG_PM_SLEEP
if (priv->fw->img[IWL_UCODE_WOWLAN].sec[0].len &&
priv->trans->ops->wowlan_suspend &&
device_can_wakeup(priv->trans->dev)) {
@@ -217,6 +218,7 @@ int iwlagn_mac_setup_register(struct iwl_priv *priv,
hw->wiphy->wowlan.pattern_max_len =
IWLAGN_WOWLAN_MAX_PATTERN_LEN;
}
+#endif
if (iwlwifi_mod_params.power_save)
hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT;
@@ -249,6 +251,7 @@ int iwlagn_mac_setup_register(struct iwl_priv *priv,
ret = ieee80211_register_hw(priv->hw);
if (ret) {
IWL_ERR(priv, "Failed to register hw (error %d)\n", ret);
+ iwl_leds_exit(priv);
return ret;
}
priv->mac80211_registered = 1;
diff --git a/drivers/net/wireless/iwlwifi/iwl-prph.h b/drivers/net/wireless/iwlwifi/iwl-prph.h
index 3b106929..dfd5466 100644
--- a/drivers/net/wireless/iwlwifi/iwl-prph.h
+++ b/drivers/net/wireless/iwlwifi/iwl-prph.h
@@ -224,6 +224,7 @@
#define SCD_TXFACT (SCD_BASE + 0x10)
#define SCD_ACTIVE (SCD_BASE + 0x14)
#define SCD_QUEUECHAIN_SEL (SCD_BASE + 0xe8)
+#define SCD_CHAINEXT_EN (SCD_BASE + 0x244)
#define SCD_AGGR_SEL (SCD_BASE + 0x248)
#define SCD_INTERRUPT_MASK (SCD_BASE + 0x108)
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
index ec6fb39..79c6b91 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
+++ b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
@@ -1058,6 +1058,11 @@ static void iwl_tx_start(struct iwl_trans *trans)
iwl_write_prph(trans, SCD_DRAM_BASE_ADDR,
trans_pcie->scd_bc_tbls.dma >> 10);
+ /* The chain extension of the SCD doesn't work well. This feature is
+ * enabled by default by the HW, so we need to disable it manually.
+ */
+ iwl_write_prph(trans, SCD_CHAINEXT_EN, 0);
+
/* Enable DMA channel */
for (chan = 0; chan < FH_TCSR_CHNL_NUM ; chan++)
iwl_write_direct32(trans, FH_TCSR_CHNL_TX_CONFIG_REG(chan),
diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index fb787df..a0b7cfd 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -1555,6 +1555,7 @@ static int hwsim_tx_info_frame_received_nl(struct sk_buff *skb_2,
hdr = (struct ieee80211_hdr *) skb->data;
mac80211_hwsim_monitor_ack(data2->hw, hdr->addr2);
}
+ txi->flags |= IEEE80211_TX_STAT_ACK;
}
ieee80211_tx_status_irqsafe(data2->hw, skb);
return 0;
@@ -1721,6 +1722,24 @@ static void hwsim_exit_netlink(void)
"unregister family %i\n", ret);
}
+static const struct ieee80211_iface_limit hwsim_if_limits[] = {
+ { .max = 1, .types = BIT(NL80211_IFTYPE_ADHOC) },
+ { .max = 2048, .types = BIT(NL80211_IFTYPE_STATION) |
+ BIT(NL80211_IFTYPE_P2P_CLIENT) |
+#ifdef CONFIG_MAC80211_MESH
+ BIT(NL80211_IFTYPE_MESH_POINT) |
+#endif
+ BIT(NL80211_IFTYPE_AP) |
+ BIT(NL80211_IFTYPE_P2P_GO) },
+};
+
+static const struct ieee80211_iface_combination hwsim_if_comb = {
+ .limits = hwsim_if_limits,
+ .n_limits = ARRAY_SIZE(hwsim_if_limits),
+ .max_interfaces = 2048,
+ .num_different_channels = 1,
+};
+
static int __init init_mac80211_hwsim(void)
{
int i, err = 0;
@@ -1782,6 +1801,9 @@ static int __init init_mac80211_hwsim(void)
hw->wiphy->n_addresses = 2;
hw->wiphy->addresses = data->addresses;
+ hw->wiphy->iface_combinations = &hwsim_if_comb;
+ hw->wiphy->n_iface_combinations = 1;
+
if (fake_hw_scan) {
hw->wiphy->max_scan_ssids = 255;
hw->wiphy->max_scan_ie_len = IEEE80211_MAX_DATA_LEN;
diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c
index 8767144..015fec3 100644
--- a/drivers/net/wireless/mwifiex/cfg80211.c
+++ b/drivers/net/wireless/mwifiex/cfg80211.c
@@ -948,6 +948,19 @@ static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy,
bss_cfg->ssid.ssid_len = params->ssid_len;
}
+ switch (params->hidden_ssid) {
+ case NL80211_HIDDEN_SSID_NOT_IN_USE:
+ bss_cfg->bcast_ssid_ctl = 1;
+ break;
+ case NL80211_HIDDEN_SSID_ZERO_LEN:
+ bss_cfg->bcast_ssid_ctl = 0;
+ break;
+ case NL80211_HIDDEN_SSID_ZERO_CONTENTS:
+ /* firmware doesn't support this type of hidden SSID */
+ default:
+ return -EINVAL;
+ }
+
if (mwifiex_set_secure_params(priv, bss_cfg, params)) {
kfree(bss_cfg);
wiphy_err(wiphy, "Failed to parse secuirty parameters!\n");
diff --git a/drivers/net/wireless/mwifiex/fw.h b/drivers/net/wireless/mwifiex/fw.h
index 9f674bb..561452a 100644
--- a/drivers/net/wireless/mwifiex/fw.h
+++ b/drivers/net/wireless/mwifiex/fw.h
@@ -122,6 +122,7 @@ enum MWIFIEX_802_11_PRIVACY_FILTER {
#define TLV_TYPE_CHANNELBANDLIST (PROPRIETARY_TLV_BASE_ID + 42)
#define TLV_TYPE_UAP_BEACON_PERIOD (PROPRIETARY_TLV_BASE_ID + 44)
#define TLV_TYPE_UAP_DTIM_PERIOD (PROPRIETARY_TLV_BASE_ID + 45)
+#define TLV_TYPE_UAP_BCAST_SSID (PROPRIETARY_TLV_BASE_ID + 48)
#define TLV_TYPE_UAP_RTS_THRESHOLD (PROPRIETARY_TLV_BASE_ID + 51)
#define TLV_TYPE_UAP_WPA_PASSPHRASE (PROPRIETARY_TLV_BASE_ID + 60)
#define TLV_TYPE_UAP_ENCRY_PROTOCOL (PROPRIETARY_TLV_BASE_ID + 64)
@@ -1209,6 +1210,11 @@ struct host_cmd_tlv_ssid {
u8 ssid[0];
} __packed;
+struct host_cmd_tlv_bcast_ssid {
+ struct host_cmd_tlv tlv;
+ u8 bcast_ctl;
+} __packed;
+
struct host_cmd_tlv_beacon_period {
struct host_cmd_tlv tlv;
__le16 period;
diff --git a/drivers/net/wireless/mwifiex/uap_cmd.c b/drivers/net/wireless/mwifiex/uap_cmd.c
index 76dfbc4..8173ab6 100644
--- a/drivers/net/wireless/mwifiex/uap_cmd.c
+++ b/drivers/net/wireless/mwifiex/uap_cmd.c
@@ -132,6 +132,7 @@ mwifiex_uap_bss_param_prepare(u8 *tlv, void *cmd_buf, u16 *param_size)
struct host_cmd_tlv_dtim_period *dtim_period;
struct host_cmd_tlv_beacon_period *beacon_period;
struct host_cmd_tlv_ssid *ssid;
+ struct host_cmd_tlv_bcast_ssid *bcast_ssid;
struct host_cmd_tlv_channel_band *chan_band;
struct host_cmd_tlv_frag_threshold *frag_threshold;
struct host_cmd_tlv_rts_threshold *rts_threshold;
@@ -153,6 +154,14 @@ mwifiex_uap_bss_param_prepare(u8 *tlv, void *cmd_buf, u16 *param_size)
cmd_size += sizeof(struct host_cmd_tlv) +
bss_cfg->ssid.ssid_len;
tlv += sizeof(struct host_cmd_tlv) + bss_cfg->ssid.ssid_len;
+
+ bcast_ssid = (struct host_cmd_tlv_bcast_ssid *)tlv;
+ bcast_ssid->tlv.type = cpu_to_le16(TLV_TYPE_UAP_BCAST_SSID);
+ bcast_ssid->tlv.len =
+ cpu_to_le16(sizeof(bcast_ssid->bcast_ctl));
+ bcast_ssid->bcast_ctl = bss_cfg->bcast_ssid_ctl;
+ cmd_size += sizeof(struct host_cmd_tlv_bcast_ssid);
+ tlv += sizeof(struct host_cmd_tlv_bcast_ssid);
}
if (bss_cfg->channel && bss_cfg->channel <= MAX_CHANNEL_BAND_BG) {
chan_band = (struct host_cmd_tlv_channel_band *)tlv;
@@ -416,6 +425,7 @@ int mwifiex_uap_set_channel(struct mwifiex_private *priv, int channel)
if (!bss_cfg)
return -ENOMEM;
+ mwifiex_set_sys_config_invalid_data(bss_cfg);
bss_cfg->band_cfg = BAND_CONFIG_MANUAL;
bss_cfg->channel = channel;
diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h
index ca36ccc..8f75402 100644
--- a/drivers/net/wireless/rt2x00/rt2x00.h
+++ b/drivers/net/wireless/rt2x00/rt2x00.h
@@ -396,8 +396,7 @@ struct rt2x00_intf {
* for hardware which doesn't support hardware
* sequence counting.
*/
- spinlock_t seqlock;
- u16 seqno;
+ atomic_t seqno;
};
static inline struct rt2x00_intf* vif_to_intf(struct ieee80211_vif *vif)
diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c
index b49773e..dd24b26 100644
--- a/drivers/net/wireless/rt2x00/rt2x00mac.c
+++ b/drivers/net/wireless/rt2x00/rt2x00mac.c
@@ -277,7 +277,6 @@ int rt2x00mac_add_interface(struct ieee80211_hw *hw,
else
rt2x00dev->intf_sta_count++;
- spin_lock_init(&intf->seqlock);
mutex_init(&intf->beacon_skb_mutex);
intf->beacon = entry;
diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c
index 4c662ec..2fd8301 100644
--- a/drivers/net/wireless/rt2x00/rt2x00queue.c
+++ b/drivers/net/wireless/rt2x00/rt2x00queue.c
@@ -207,6 +207,7 @@ static void rt2x00queue_create_tx_descriptor_seq(struct rt2x00_dev *rt2x00dev,
struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
struct rt2x00_intf *intf = vif_to_intf(tx_info->control.vif);
+ u16 seqno;
if (!(tx_info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ))
return;
@@ -238,15 +239,13 @@ static void rt2x00queue_create_tx_descriptor_seq(struct rt2x00_dev *rt2x00dev,
* sequence counting per-frame, since those will override the
* sequence counter given by mac80211.
*/
- spin_lock(&intf->seqlock);
-
if (test_bit(ENTRY_TXD_FIRST_FRAGMENT, &txdesc->flags))
- intf->seqno += 0x10;
- hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG);
- hdr->seq_ctrl |= cpu_to_le16(intf->seqno);
-
- spin_unlock(&intf->seqlock);
+ seqno = atomic_add_return(0x10, &intf->seqno);
+ else
+ seqno = atomic_read(&intf->seqno);
+ hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG);
+ hdr->seq_ctrl |= cpu_to_le16(seqno);
}
static void rt2x00queue_create_tx_descriptor_plcp(struct rt2x00_dev *rt2x00dev,
diff --git a/drivers/net/wireless/rtl818x/rtl8187/leds.c b/drivers/net/wireless/rtl818x/rtl8187/leds.c
index 2e0de2f..c2d5b49 100644
--- a/drivers/net/wireless/rtl818x/rtl8187/leds.c
+++ b/drivers/net/wireless/rtl818x/rtl8187/leds.c
@@ -117,7 +117,7 @@ static void rtl8187_led_brightness_set(struct led_classdev *led_dev,
radio_on = true;
} else if (radio_on) {
radio_on = false;
- cancel_delayed_work_sync(&priv->led_on);
+ cancel_delayed_work(&priv->led_on);
ieee80211_queue_delayed_work(hw, &priv->led_off, 0);
}
} else if (radio_on) {
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 447e834..77cb54a 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -1744,6 +1744,11 @@ int pci_prepare_to_sleep(struct pci_dev *dev)
if (target_state == PCI_POWER_ERROR)
return -EIO;
+ /* Some devices mustn't be in D3 during system sleep */
+ if (target_state == PCI_D3hot &&
+ (dev->dev_flags & PCI_DEV_FLAGS_NO_D3_DURING_SLEEP))
+ return 0;
+
pci_enable_wake(dev, target_state, device_may_wakeup(&dev->dev));
error = pci_set_power_state(dev, target_state);
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 2a75216..194b243a 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -2929,6 +2929,32 @@ static void __devinit disable_igfx_irq(struct pci_dev *dev)
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x0102, disable_igfx_irq);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x010a, disable_igfx_irq);
+/*
+ * The Intel 6 Series/C200 Series chipset's EHCI controllers on many
+ * ASUS motherboards will cause memory corruption or a system crash
+ * if they are in D3 while the system is put into S3 sleep.
+ */
+static void __devinit asus_ehci_no_d3(struct pci_dev *dev)
+{
+ const char *sys_info;
+ static const char good_Asus_board[] = "P8Z68-V";
+
+ if (dev->dev_flags & PCI_DEV_FLAGS_NO_D3_DURING_SLEEP)
+ return;
+ if (dev->subsystem_vendor != PCI_VENDOR_ID_ASUSTEK)
+ return;
+ sys_info = dmi_get_system_info(DMI_BOARD_NAME);
+ if (sys_info && memcmp(sys_info, good_Asus_board,
+ sizeof(good_Asus_board) - 1) == 0)
+ return;
+
+ dev_info(&dev->dev, "broken D3 during system sleep on ASUS\n");
+ dev->dev_flags |= PCI_DEV_FLAGS_NO_D3_DURING_SLEEP;
+ device_set_wakeup_capable(&dev->dev, false);
+}
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x1c26, asus_ehci_no_d3);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x1c2d, asus_ehci_no_d3);
+
static void pci_do_fixups(struct pci_dev *dev, struct pci_fixup *f,
struct pci_fixup *end)
{
diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c
index c3b331b..0cc053a 100644
--- a/drivers/pinctrl/core.c
+++ b/drivers/pinctrl/core.c
@@ -61,7 +61,7 @@ static LIST_HEAD(pinctrl_maps);
list_for_each_entry(_maps_node_, &pinctrl_maps, node) \
for (_i_ = 0, _map_ = &_maps_node_->maps[_i_]; \
_i_ < _maps_node_->num_maps; \
- i++, _map_ = &_maps_node_->maps[_i_])
+ _i_++, _map_ = &_maps_node_->maps[_i_])
/**
* pinctrl_provide_dummies() - indicate if pinctrl provides dummy state support
diff --git a/drivers/pinctrl/pinctrl-imx.c b/drivers/pinctrl/pinctrl-imx.c
index f6e7c67..dd6d93a 100644
--- a/drivers/pinctrl/pinctrl-imx.c
+++ b/drivers/pinctrl/pinctrl-imx.c
@@ -27,16 +27,16 @@
#include "core.h"
#include "pinctrl-imx.h"
-#define IMX_PMX_DUMP(info, p, m, c, n) \
-{ \
- int i, j; \
- printk("Format: Pin Mux Config\n"); \
- for (i = 0; i < n; i++) { \
- j = p[i]; \
- printk("%s %d 0x%lx\n", \
- info->pins[j].name, \
- m[i], c[i]); \
- } \
+#define IMX_PMX_DUMP(info, p, m, c, n) \
+{ \
+ int i, j; \
+ printk(KERN_DEBUG "Format: Pin Mux Config\n"); \
+ for (i = 0; i < n; i++) { \
+ j = p[i]; \
+ printk(KERN_DEBUG "%s %d 0x%lx\n", \
+ info->pins[j].name, \
+ m[i], c[i]); \
+ } \
}
/* The bits in CONFIG cell defined in binding doc*/
@@ -173,8 +173,10 @@ static int imx_dt_node_to_map(struct pinctrl_dev *pctldev,
/* create mux map */
parent = of_get_parent(np);
- if (!parent)
+ if (!parent) {
+ kfree(new_map);
return -EINVAL;
+ }
new_map[0].type = PIN_MAP_TYPE_MUX_GROUP;
new_map[0].data.mux.function = parent->name;
new_map[0].data.mux.group = np->name;
@@ -193,7 +195,7 @@ static int imx_dt_node_to_map(struct pinctrl_dev *pctldev,
}
dev_dbg(pctldev->dev, "maps: function %s group %s num %d\n",
- new_map->data.mux.function, new_map->data.mux.group, map_num);
+ (*map)->data.mux.function, (*map)->data.mux.group, map_num);
return 0;
}
@@ -201,10 +203,7 @@ static int imx_dt_node_to_map(struct pinctrl_dev *pctldev,
static void imx_dt_free_map(struct pinctrl_dev *pctldev,
struct pinctrl_map *map, unsigned num_maps)
{
- int i;
-
- for (i = 0; i < num_maps; i++)
- kfree(map);
+ kfree(map);
}
static struct pinctrl_ops imx_pctrl_ops = {
@@ -475,9 +474,8 @@ static int __devinit imx_pinctrl_parse_groups(struct device_node *np,
grp->configs[j] = config & ~IMX_PAD_SION;
}
-#ifdef DEBUG
IMX_PMX_DUMP(info, grp->pins, grp->mux_mode, grp->configs, grp->npins);
-#endif
+
return 0;
}
diff --git a/drivers/pinctrl/pinctrl-mxs.c b/drivers/pinctrl/pinctrl-mxs.c
index 556e45a..afb50ee 100644
--- a/drivers/pinctrl/pinctrl-mxs.c
+++ b/drivers/pinctrl/pinctrl-mxs.c
@@ -107,8 +107,10 @@ static int mxs_dt_node_to_map(struct pinctrl_dev *pctldev,
/* Compose group name */
group = kzalloc(length, GFP_KERNEL);
- if (!group)
- return -ENOMEM;
+ if (!group) {
+ ret = -ENOMEM;
+ goto free;
+ }
snprintf(group, length, "%s.%d", np->name, reg);
new_map[i].data.mux.group = group;
i++;
@@ -118,7 +120,7 @@ static int mxs_dt_node_to_map(struct pinctrl_dev *pctldev,
pconfig = kmemdup(&config, sizeof(config), GFP_KERNEL);
if (!pconfig) {
ret = -ENOMEM;
- goto free;
+ goto free_group;
}
new_map[i].type = PIN_MAP_TYPE_CONFIGS_GROUP;
@@ -133,6 +135,9 @@ static int mxs_dt_node_to_map(struct pinctrl_dev *pctldev,
return 0;
+free_group:
+ if (!purecfg)
+ free(group);
free:
kfree(new_map);
return ret;
@@ -511,6 +516,7 @@ int __devinit mxs_pinctrl_probe(struct platform_device *pdev,
return 0;
err:
+ platform_set_drvdata(pdev, NULL);
iounmap(d->base);
return ret;
}
@@ -520,6 +526,7 @@ int __devexit mxs_pinctrl_remove(struct platform_device *pdev)
{
struct mxs_pinctrl_data *d = platform_get_drvdata(pdev);
+ platform_set_drvdata(pdev, NULL);
pinctrl_unregister(d->pctl);
iounmap(d->base);
diff --git a/drivers/pinctrl/pinctrl-nomadik.c b/drivers/pinctrl/pinctrl-nomadik.c
index b26395d..e8937e7 100644
--- a/drivers/pinctrl/pinctrl-nomadik.c
+++ b/drivers/pinctrl/pinctrl-nomadik.c
@@ -673,7 +673,7 @@ static void __nmk_gpio_set_wake(struct nmk_gpio_chip *nmk_chip,
* wakeup is anyhow controlled by the RIMSC and FIMSC registers.
*/
if (nmk_chip->sleepmode && on) {
- __nmk_gpio_set_slpm(nmk_chip, gpio % nmk_chip->chip.base,
+ __nmk_gpio_set_slpm(nmk_chip, gpio % NMK_GPIO_PER_CHIP,
NMK_GPIO_SLPM_WAKEUP_ENABLE);
}
@@ -1246,6 +1246,7 @@ static int __devinit nmk_gpio_probe(struct platform_device *dev)
ret = PTR_ERR(clk);
goto out_unmap;
}
+ clk_prepare(clk);
nmk_chip = kzalloc(sizeof(*nmk_chip), GFP_KERNEL);
if (!nmk_chip) {
diff --git a/drivers/pinctrl/pinctrl-sirf.c b/drivers/pinctrl/pinctrl-sirf.c
index ba15b1a..e9f8e7d 100644
--- a/drivers/pinctrl/pinctrl-sirf.c
+++ b/drivers/pinctrl/pinctrl-sirf.c
@@ -1184,7 +1184,7 @@ out_no_gpio_remap:
return ret;
}
-static const struct of_device_id pinmux_ids[] = {
+static const struct of_device_id pinmux_ids[] __devinitconst = {
{ .compatible = "sirf,prima2-gpio-pinmux" },
{}
};
diff --git a/drivers/regulator/ab8500.c b/drivers/regulator/ab8500.c
index e1b8c54..a739f5c 100644
--- a/drivers/regulator/ab8500.c
+++ b/drivers/regulator/ab8500.c
@@ -794,17 +794,17 @@ static __devinit int ab8500_regulator_register(struct platform_device *pdev,
}
static struct of_regulator_match ab8500_regulator_matches[] = {
- { .name = "LDO-AUX1", .driver_data = (void *) AB8500_LDO_AUX1, },
- { .name = "LDO-AUX2", .driver_data = (void *) AB8500_LDO_AUX2, },
- { .name = "LDO-AUX3", .driver_data = (void *) AB8500_LDO_AUX3, },
- { .name = "LDO-INTCORE", .driver_data = (void *) AB8500_LDO_INTCORE, },
- { .name = "LDO-TVOUT", .driver_data = (void *) AB8500_LDO_TVOUT, },
- { .name = "LDO-USB", .driver_data = (void *) AB8500_LDO_USB, },
- { .name = "LDO-AUDIO", .driver_data = (void *) AB8500_LDO_AUDIO, },
- { .name = "LDO-ANAMIC1", .driver_data = (void *) AB8500_LDO_ANAMIC1, },
- { .name = "LDO-ANAMIC2", .driver_data = (void *) AB8500_LDO_ANAMIC2, },
- { .name = "LDO-DMIC", .driver_data = (void *) AB8500_LDO_DMIC, },
- { .name = "LDO-ANA", .driver_data = (void *) AB8500_LDO_ANA, },
+ { .name = "ab8500_ldo_aux1", .driver_data = (void *) AB8500_LDO_AUX1, },
+ { .name = "ab8500_ldo_aux2", .driver_data = (void *) AB8500_LDO_AUX2, },
+ { .name = "ab8500_ldo_aux3", .driver_data = (void *) AB8500_LDO_AUX3, },
+ { .name = "ab8500_ldo_intcore", .driver_data = (void *) AB8500_LDO_INTCORE, },
+ { .name = "ab8500_ldo_tvout", .driver_data = (void *) AB8500_LDO_TVOUT, },
+ { .name = "ab8500_ldo_usb", .driver_data = (void *) AB8500_LDO_USB, },
+ { .name = "ab8500_ldo_audio", .driver_data = (void *) AB8500_LDO_AUDIO, },
+ { .name = "ab8500_ldo_anamic1", .driver_data = (void *) AB8500_LDO_ANAMIC1, },
+ { .name = "ab8500_ldo_amamic2", .driver_data = (void *) AB8500_LDO_ANAMIC2, },
+ { .name = "ab8500_ldo_dmic", .driver_data = (void *) AB8500_LDO_DMIC, },
+ { .name = "ab8500_ldo_ana", .driver_data = (void *) AB8500_LDO_ANA, },
};
static __devinit int
diff --git a/drivers/regulator/db8500-prcmu.c b/drivers/regulator/db8500-prcmu.c
index 968f97f..9dbb491 100644
--- a/drivers/regulator/db8500-prcmu.c
+++ b/drivers/regulator/db8500-prcmu.c
@@ -452,26 +452,26 @@ static __devinit int db8500_regulator_register(struct platform_device *pdev,
}
static struct of_regulator_match db8500_regulator_matches[] = {
- { .name = "db8500-vape", .driver_data = (void *) DB8500_REGULATOR_VAPE, },
- { .name = "db8500-varm", .driver_data = (void *) DB8500_REGULATOR_VARM, },
- { .name = "db8500-vmodem", .driver_data = (void *) DB8500_REGULATOR_VMODEM, },
- { .name = "db8500-vpll", .driver_data = (void *) DB8500_REGULATOR_VPLL, },
- { .name = "db8500-vsmps1", .driver_data = (void *) DB8500_REGULATOR_VSMPS1, },
- { .name = "db8500-vsmps2", .driver_data = (void *) DB8500_REGULATOR_VSMPS2, },
- { .name = "db8500-vsmps3", .driver_data = (void *) DB8500_REGULATOR_VSMPS3, },
- { .name = "db8500-vrf1", .driver_data = (void *) DB8500_REGULATOR_VRF1, },
- { .name = "db8500-sva-mmdsp", .driver_data = (void *) DB8500_REGULATOR_SWITCH_SVAMMDSP, },
- { .name = "db8500-sva-mmdsp-ret", .driver_data = (void *) DB8500_REGULATOR_SWITCH_SVAMMDSPRET, },
- { .name = "db8500-sva-pipe", .driver_data = (void *) DB8500_REGULATOR_SWITCH_SVAPIPE, },
- { .name = "db8500-sia-mmdsp", .driver_data = (void *) DB8500_REGULATOR_SWITCH_SIAMMDSP, },
- { .name = "db8500-sia-mmdsp-ret", .driver_data = (void *) DB8500_REGULATOR_SWITCH_SIAMMDSPRET, },
- { .name = "db8500-sia-pipe", .driver_data = (void *) DB8500_REGULATOR_SWITCH_SIAPIPE, },
- { .name = "db8500-sga", .driver_data = (void *) DB8500_REGULATOR_SWITCH_SGA, },
- { .name = "db8500-b2r2-mcde", .driver_data = (void *) DB8500_REGULATOR_SWITCH_B2R2_MCDE, },
- { .name = "db8500-esram12", .driver_data = (void *) DB8500_REGULATOR_SWITCH_ESRAM12, },
- { .name = "db8500-esram12-ret", .driver_data = (void *) DB8500_REGULATOR_SWITCH_ESRAM12RET, },
- { .name = "db8500-esram34", .driver_data = (void *) DB8500_REGULATOR_SWITCH_ESRAM34, },
- { .name = "db8500-esram34-ret", .driver_data = (void *) DB8500_REGULATOR_SWITCH_ESRAM34RET, },
+ { .name = "db8500_vape", .driver_data = (void *) DB8500_REGULATOR_VAPE, },
+ { .name = "db8500_varm", .driver_data = (void *) DB8500_REGULATOR_VARM, },
+ { .name = "db8500_vmodem", .driver_data = (void *) DB8500_REGULATOR_VMODEM, },
+ { .name = "db8500_vpll", .driver_data = (void *) DB8500_REGULATOR_VPLL, },
+ { .name = "db8500_vsmps1", .driver_data = (void *) DB8500_REGULATOR_VSMPS1, },
+ { .name = "db8500_vsmps2", .driver_data = (void *) DB8500_REGULATOR_VSMPS2, },
+ { .name = "db8500_vsmps3", .driver_data = (void *) DB8500_REGULATOR_VSMPS3, },
+ { .name = "db8500_vrf1", .driver_data = (void *) DB8500_REGULATOR_VRF1, },
+ { .name = "db8500_sva_mmdsp", .driver_data = (void *) DB8500_REGULATOR_SWITCH_SVAMMDSP, },
+ { .name = "db8500_sva_mmdsp_ret", .driver_data = (void *) DB8500_REGULATOR_SWITCH_SVAMMDSPRET, },
+ { .name = "db8500_sva_pipe", .driver_data = (void *) DB8500_REGULATOR_SWITCH_SVAPIPE, },
+ { .name = "db8500_sia_mmdsp", .driver_data = (void *) DB8500_REGULATOR_SWITCH_SIAMMDSP, },
+ { .name = "db8500_sia_mmdsp_ret", .driver_data = (void *) DB8500_REGULATOR_SWITCH_SIAMMDSPRET, },
+ { .name = "db8500_sia_pipe", .driver_data = (void *) DB8500_REGULATOR_SWITCH_SIAPIPE, },
+ { .name = "db8500_sga", .driver_data = (void *) DB8500_REGULATOR_SWITCH_SGA, },
+ { .name = "db8500_b2r2_mcde", .driver_data = (void *) DB8500_REGULATOR_SWITCH_B2R2_MCDE, },
+ { .name = "db8500_esram12", .driver_data = (void *) DB8500_REGULATOR_SWITCH_ESRAM12, },
+ { .name = "db8500_esram12_ret", .driver_data = (void *) DB8500_REGULATOR_SWITCH_ESRAM12RET, },
+ { .name = "db8500_esram34", .driver_data = (void *) DB8500_REGULATOR_SWITCH_ESRAM34, },
+ { .name = "db8500_esram34_ret", .driver_data = (void *) DB8500_REGULATOR_SWITCH_ESRAM34RET, },
};
static __devinit int
diff --git a/drivers/regulator/s5m8767.c b/drivers/regulator/s5m8767.c
index 290d6fc..9caadb4 100644
--- a/drivers/regulator/s5m8767.c
+++ b/drivers/regulator/s5m8767.c
@@ -451,7 +451,7 @@ static int s5m8767_set_voltage_time_sel(struct regulator_dev *rdev,
desc = reg_voltage_map[reg_id];
- if (old_sel < new_sel)
+ if ((old_sel < new_sel) && s5m8767->ramp_delay)
return DIV_ROUND_UP(desc->step * (new_sel - old_sel),
s5m8767->ramp_delay * 1000);
return 0;
diff --git a/drivers/remoteproc/omap_remoteproc.c b/drivers/remoteproc/omap_remoteproc.c
index 69425c4..de138e3 100644
--- a/drivers/remoteproc/omap_remoteproc.c
+++ b/drivers/remoteproc/omap_remoteproc.c
@@ -182,7 +182,7 @@ static int __devinit omap_rproc_probe(struct platform_device *pdev)
ret = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
if (ret) {
- dev_err(pdev->dev.parent, "dma_set_coherent_mask: %d\n", ret);
+ dev_err(&pdev->dev, "dma_set_coherent_mask: %d\n", ret);
return ret;
}
diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c
index 8ea7bcc..66324ee 100644
--- a/drivers/remoteproc/remoteproc_core.c
+++ b/drivers/remoteproc/remoteproc_core.c
@@ -247,7 +247,7 @@ rproc_load_segments(struct rproc *rproc, const u8 *elf_data, size_t len)
}
if (offset + filesz > len) {
- dev_err(dev, "truncated fw: need 0x%x avail 0x%x\n",
+ dev_err(dev, "truncated fw: need 0x%x avail 0x%zx\n",
offset + filesz, len);
ret = -EINVAL;
break;
@@ -934,7 +934,7 @@ static void rproc_resource_cleanup(struct rproc *rproc)
unmapped = iommu_unmap(rproc->domain, entry->da, entry->len);
if (unmapped != entry->len) {
/* nothing much to do besides complaining */
- dev_err(dev, "failed to unmap %u/%u\n", entry->len,
+ dev_err(dev, "failed to unmap %u/%zu\n", entry->len,
unmapped);
}
@@ -1020,7 +1020,7 @@ static int rproc_fw_boot(struct rproc *rproc, const struct firmware *fw)
ehdr = (struct elf32_hdr *)fw->data;
- dev_info(dev, "Booting fw image %s, size %d\n", name, fw->size);
+ dev_info(dev, "Booting fw image %s, size %zd\n", name, fw->size);
/*
* if enabling an IOMMU isn't relevant for this rproc, this is
@@ -1041,8 +1041,10 @@ static int rproc_fw_boot(struct rproc *rproc, const struct firmware *fw)
/* look for the resource table */
table = rproc_find_rsc_table(rproc, fw->data, fw->size, &tablesz);
- if (!table)
+ if (!table) {
+ ret = -EINVAL;
goto clean_up;
+ }
/* handle fw resources which are required to boot rproc */
ret = rproc_handle_boot_rsc(rproc, table, tablesz);
diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c
index 6102ef2..9d46fcb 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_base.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_base.c
@@ -1792,7 +1792,7 @@ static inline void _base_writeq(__u64 b, volatile void __iomem *addr,
static inline u8
_base_get_msix_index(struct MPT2SAS_ADAPTER *ioc)
{
- return ioc->cpu_msix_table[smp_processor_id()];
+ return ioc->cpu_msix_table[raw_smp_processor_id()];
}
/**
diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c
index 04f80eb..6986552 100644
--- a/drivers/scsi/qla2xxx/qla_target.c
+++ b/drivers/scsi/qla2xxx/qla_target.c
@@ -26,7 +26,6 @@
#include <linux/module.h>
#include <linux/init.h>
#include <linux/types.h>
-#include <linux/version.h>
#include <linux/blkdev.h>
#include <linux/interrupt.h>
#include <linux/pci.h>
@@ -2477,11 +2476,9 @@ static void qlt_do_ctio_completion(struct scsi_qla_host *vha, uint32_t handle,
}
cmd = qlt_ctio_to_cmd(vha, handle, ctio);
- if (cmd == NULL) {
- if (status != CTIO_SUCCESS)
- qlt_term_ctio_exchange(vha, ctio, NULL, status);
+ if (cmd == NULL)
return;
- }
+
se_cmd = &cmd->se_cmd;
tfo = se_cmd->se_tfo;
@@ -2727,10 +2724,12 @@ static void qlt_do_work(struct work_struct *work)
out_term:
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf020, "Terminating work cmd %p", cmd);
/*
- * cmd has not sent to target yet, so pass NULL as the second argument
+ * cmd has not sent to target yet, so pass NULL as the second
+ * argument to qlt_send_term_exchange() and free the memory here.
*/
spin_lock_irqsave(&ha->hardware_lock, flags);
qlt_send_term_exchange(vha, NULL, &cmd->atio, 1);
+ kmem_cache_free(qla_tgt_cmd_cachep, cmd);
spin_unlock_irqrestore(&ha->hardware_lock, flags);
if (sess)
ha->tgt.tgt_ops->put_sess(sess);
diff --git a/drivers/scsi/qla2xxx/qla_target.h b/drivers/scsi/qla2xxx/qla_target.h
index 9ec19bc..9f9ef16 100644
--- a/drivers/scsi/qla2xxx/qla_target.h
+++ b/drivers/scsi/qla2xxx/qla_target.h
@@ -919,7 +919,6 @@ struct qla_tgt_srr_ctio {
#define QLA_TGT_XMIT_STATUS 2
#define QLA_TGT_XMIT_ALL (QLA_TGT_XMIT_STATUS|QLA_TGT_XMIT_DATA)
-#include <linux/version.h>
extern struct qla_tgt_data qla_target;
/*
diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.c b/drivers/scsi/qla2xxx/tcm_qla2xxx.c
index 436598f..6e64314 100644
--- a/drivers/scsi/qla2xxx/tcm_qla2xxx.c
+++ b/drivers/scsi/qla2xxx/tcm_qla2xxx.c
@@ -137,13 +137,15 @@ static char *tcm_qla2xxx_get_fabric_name(void)
*/
static int tcm_qla2xxx_npiv_extract_wwn(const char *ns, u64 *nm)
{
- unsigned int i, j, value;
+ unsigned int i, j;
u8 wwn[8];
memset(wwn, 0, sizeof(wwn));
/* Validate and store the new name */
for (i = 0, j = 0; i < 16; i++) {
+ int value;
+
value = hex_to_bin(*ns++);
if (value >= 0)
j = (j << 4) | value;
@@ -652,8 +654,8 @@ static int tcm_qla2xxx_handle_data(struct qla_tgt_cmd *cmd)
/*
* Called from qla_target.c:qlt_issue_task_mgmt()
*/
-int tcm_qla2xxx_handle_tmr(struct qla_tgt_mgmt_cmd *mcmd, uint32_t lun,
- uint8_t tmr_func, uint32_t tag)
+static int tcm_qla2xxx_handle_tmr(struct qla_tgt_mgmt_cmd *mcmd, uint32_t lun,
+ uint8_t tmr_func, uint32_t tag)
{
struct qla_tgt_sess *sess = mcmd->sess;
struct se_cmd *se_cmd = &mcmd->se_cmd;
@@ -762,65 +764,8 @@ static u16 tcm_qla2xxx_set_fabric_sense_len(struct se_cmd *se_cmd,
struct target_fabric_configfs *tcm_qla2xxx_fabric_configfs;
struct target_fabric_configfs *tcm_qla2xxx_npiv_fabric_configfs;
-static int tcm_qla2xxx_setup_nacl_from_rport(
- struct se_portal_group *se_tpg,
- struct se_node_acl *se_nacl,
- struct tcm_qla2xxx_lport *lport,
- struct tcm_qla2xxx_nacl *nacl,
- u64 rport_wwnn)
-{
- struct scsi_qla_host *vha = lport->qla_vha;
- struct Scsi_Host *sh = vha->host;
- struct fc_host_attrs *fc_host = shost_to_fc_host(sh);
- struct fc_rport *rport;
- unsigned long flags;
- void *node;
- int rc;
-
- /*
- * Scan the existing rports, and create a session for the
- * explict NodeACL is an matching rport->node_name already
- * exists.
- */
- spin_lock_irqsave(sh->host_lock, flags);
- list_for_each_entry(rport, &fc_host->rports, peers) {
- if (rport_wwnn != rport->node_name)
- continue;
-
- pr_debug("Located existing rport_wwpn and rport->node_name: 0x%016LX, port_id: 0x%04x\n",
- rport->node_name, rport->port_id);
- nacl->nport_id = rport->port_id;
-
- spin_unlock_irqrestore(sh->host_lock, flags);
-
- spin_lock_irqsave(&vha->hw->hardware_lock, flags);
- node = btree_lookup32(&lport->lport_fcport_map, rport->port_id);
- if (node) {
- rc = btree_update32(&lport->lport_fcport_map,
- rport->port_id, se_nacl);
- } else {
- rc = btree_insert32(&lport->lport_fcport_map,
- rport->port_id, se_nacl,
- GFP_ATOMIC);
- }
- spin_unlock_irqrestore(&vha->hw->hardware_lock, flags);
-
- if (rc) {
- pr_err("Unable to insert se_nacl into fcport_map");
- WARN_ON(rc > 0);
- return rc;
- }
-
- pr_debug("Inserted into fcport_map: %p for WWNN: 0x%016LX, port_id: 0x%08x\n",
- se_nacl, rport_wwnn, nacl->nport_id);
-
- return 1;
- }
- spin_unlock_irqrestore(sh->host_lock, flags);
-
- return 0;
-}
-
+static void tcm_qla2xxx_clear_sess_lookup(struct tcm_qla2xxx_lport *,
+ struct tcm_qla2xxx_nacl *, struct qla_tgt_sess *);
/*
* Expected to be called with struct qla_hw_data->hardware_lock held
*/
@@ -842,11 +787,40 @@ static void tcm_qla2xxx_clear_nacl_from_fcport_map(struct qla_tgt_sess *sess)
pr_debug("Removed from fcport_map: %p for WWNN: 0x%016LX, port_id: 0x%06x\n",
se_nacl, nacl->nport_wwnn, nacl->nport_id);
+ /*
+ * Now clear the se_nacl and session pointers from our HW lport lookup
+ * table mapping for this initiator's fabric S_ID and LOOP_ID entries.
+ *
+ * This is done ahead of callbacks into tcm_qla2xxx_free_session() ->
+ * target_wait_for_sess_cmds() before the session waits for outstanding
+ * I/O to complete, to avoid a race between session shutdown execution
+ * and incoming ATIOs or TMRs picking up a stale se_node_act reference.
+ */
+ tcm_qla2xxx_clear_sess_lookup(lport, nacl, sess);
+}
+
+static void tcm_qla2xxx_release_session(struct kref *kref)
+{
+ struct se_session *se_sess = container_of(kref,
+ struct se_session, sess_kref);
+
+ qlt_unreg_sess(se_sess->fabric_sess_ptr);
+}
+
+static void tcm_qla2xxx_put_session(struct se_session *se_sess)
+{
+ struct qla_tgt_sess *sess = se_sess->fabric_sess_ptr;
+ struct qla_hw_data *ha = sess->vha->hw;
+ unsigned long flags;
+
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ kref_put(&se_sess->sess_kref, tcm_qla2xxx_release_session);
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
}
static void tcm_qla2xxx_put_sess(struct qla_tgt_sess *sess)
{
- target_put_session(sess->se_sess);
+ tcm_qla2xxx_put_session(sess->se_sess);
}
static void tcm_qla2xxx_shutdown_sess(struct qla_tgt_sess *sess)
@@ -859,14 +833,10 @@ static struct se_node_acl *tcm_qla2xxx_make_nodeacl(
struct config_group *group,
const char *name)
{
- struct se_wwn *se_wwn = se_tpg->se_tpg_wwn;
- struct tcm_qla2xxx_lport *lport = container_of(se_wwn,
- struct tcm_qla2xxx_lport, lport_wwn);
struct se_node_acl *se_nacl, *se_nacl_new;
struct tcm_qla2xxx_nacl *nacl;
u64 wwnn;
u32 qla2xxx_nexus_depth;
- int rc;
if (tcm_qla2xxx_parse_wwn(name, &wwnn, 1) < 0)
return ERR_PTR(-EINVAL);
@@ -893,16 +863,6 @@ static struct se_node_acl *tcm_qla2xxx_make_nodeacl(
nacl = container_of(se_nacl, struct tcm_qla2xxx_nacl, se_node_acl);
nacl->nport_wwnn = wwnn;
tcm_qla2xxx_format_wwn(&nacl->nport_name[0], TCM_QLA2XXX_NAMELEN, wwnn);
- /*
- * Setup a se_nacl handle based on an a matching struct fc_rport setup
- * via drivers/scsi/qla2xxx/qla_init.c:qla2x00_reg_remote_port()
- */
- rc = tcm_qla2xxx_setup_nacl_from_rport(se_tpg, se_nacl, lport,
- nacl, wwnn);
- if (rc < 0) {
- tcm_qla2xxx_release_fabric_acl(se_tpg, se_nacl_new);
- return ERR_PTR(rc);
- }
return se_nacl;
}
@@ -1390,6 +1350,25 @@ static void tcm_qla2xxx_set_sess_by_loop_id(
nacl->qla_tgt_sess, new_se_nacl, new_se_nacl->initiatorname);
}
+/*
+ * Should always be called with qla_hw_data->hardware_lock held.
+ */
+static void tcm_qla2xxx_clear_sess_lookup(struct tcm_qla2xxx_lport *lport,
+ struct tcm_qla2xxx_nacl *nacl, struct qla_tgt_sess *sess)
+{
+ struct se_session *se_sess = sess->se_sess;
+ unsigned char be_sid[3];
+
+ be_sid[0] = sess->s_id.b.domain;
+ be_sid[1] = sess->s_id.b.area;
+ be_sid[2] = sess->s_id.b.al_pa;
+
+ tcm_qla2xxx_set_sess_by_s_id(lport, NULL, nacl, se_sess,
+ sess, be_sid);
+ tcm_qla2xxx_set_sess_by_loop_id(lport, NULL, nacl, se_sess,
+ sess, sess->loop_id);
+}
+
static void tcm_qla2xxx_free_session(struct qla_tgt_sess *sess)
{
struct qla_tgt *tgt = sess->tgt;
@@ -1398,8 +1377,6 @@ static void tcm_qla2xxx_free_session(struct qla_tgt_sess *sess)
struct se_node_acl *se_nacl;
struct tcm_qla2xxx_lport *lport;
struct tcm_qla2xxx_nacl *nacl;
- unsigned char be_sid[3];
- unsigned long flags;
BUG_ON(in_interrupt());
@@ -1419,21 +1396,6 @@ static void tcm_qla2xxx_free_session(struct qla_tgt_sess *sess)
return;
}
target_wait_for_sess_cmds(se_sess, 0);
- /*
- * And now clear the se_nacl and session pointers from our HW lport
- * mappings for fabric S_ID and LOOP_ID.
- */
- memset(&be_sid, 0, 3);
- be_sid[0] = sess->s_id.b.domain;
- be_sid[1] = sess->s_id.b.area;
- be_sid[2] = sess->s_id.b.al_pa;
-
- spin_lock_irqsave(&ha->hardware_lock, flags);
- tcm_qla2xxx_set_sess_by_s_id(lport, NULL, nacl, se_sess,
- sess, be_sid);
- tcm_qla2xxx_set_sess_by_loop_id(lport, NULL, nacl, se_sess,
- sess, sess->loop_id);
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
transport_deregister_session_configfs(sess->se_sess);
transport_deregister_session(sess->se_sess);
@@ -1731,6 +1693,7 @@ static struct target_core_fabric_ops tcm_qla2xxx_ops = {
.new_cmd_map = NULL,
.check_stop_free = tcm_qla2xxx_check_stop_free,
.release_cmd = tcm_qla2xxx_release_cmd,
+ .put_session = tcm_qla2xxx_put_session,
.shutdown_session = tcm_qla2xxx_shutdown_session,
.close_session = tcm_qla2xxx_close_session,
.sess_get_index = tcm_qla2xxx_sess_get_index,
@@ -1779,6 +1742,7 @@ static struct target_core_fabric_ops tcm_qla2xxx_npiv_ops = {
.tpg_release_fabric_acl = tcm_qla2xxx_release_fabric_acl,
.tpg_get_inst_index = tcm_qla2xxx_tpg_get_inst_index,
.release_cmd = tcm_qla2xxx_release_cmd,
+ .put_session = tcm_qla2xxx_put_session,
.shutdown_session = tcm_qla2xxx_shutdown_session,
.close_session = tcm_qla2xxx_close_session,
.sess_get_index = tcm_qla2xxx_sess_get_index,
diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c
index 61c82a3..bbbc9c91 100644
--- a/drivers/scsi/scsi.c
+++ b/drivers/scsi/scsi.c
@@ -90,11 +90,9 @@ unsigned int scsi_logging_level;
EXPORT_SYMBOL(scsi_logging_level);
#endif
-#if IS_ENABLED(CONFIG_PM) || IS_ENABLED(CONFIG_BLK_DEV_SD)
-/* sd and scsi_pm need to coordinate flushing async actions */
+/* sd, scsi core and power management need to coordinate flushing async actions */
LIST_HEAD(scsi_sd_probe_domain);
EXPORT_SYMBOL(scsi_sd_probe_domain);
-#endif
/* NB: These are exposed through /proc/scsi/scsi and form part of the ABI.
* You may not alter any existing entry (although adding new ones is
diff --git a/drivers/sh/Kconfig b/drivers/sh/Kconfig
index f168a61..d7dbfee 100644
--- a/drivers/sh/Kconfig
+++ b/drivers/sh/Kconfig
@@ -2,4 +2,19 @@ menu "SuperH / SH-Mobile Driver Options"
source "drivers/sh/intc/Kconfig"
+comment "Pin function controller options"
+
+config SH_PFC
+ # XXX move off the gpio dependency
+ depends on GENERIC_GPIO
+ select GPIO_SH_PFC if ARCH_REQUIRE_GPIOLIB
+ def_bool y
+
+config GPIO_SH_PFC
+ tristate "SuperH PFC GPIO support"
+ depends on SH_PFC && GPIOLIB
+ help
+ This enables support for GPIOs within the SoC's pin function
+ controller.
+
endmenu
diff --git a/drivers/sh/Makefile b/drivers/sh/Makefile
index 7139ad2..f5d93e8 100644
--- a/drivers/sh/Makefile
+++ b/drivers/sh/Makefile
@@ -6,5 +6,6 @@ obj-y := intc/
obj-$(CONFIG_HAVE_CLK) += clk/
obj-$(CONFIG_MAPLE) += maple/
obj-$(CONFIG_SUPERHYWAY) += superhyway/
-obj-$(CONFIG_GENERIC_GPIO) += pfc.o
+obj-$(CONFIG_SH_PFC) += pfc.o
+obj-$(CONFIG_GPIO_SH_PFC) += pfc-gpio.o
obj-y += pm_runtime.o
diff --git a/drivers/sh/pfc-gpio.c b/drivers/sh/pfc-gpio.c
new file mode 100644
index 0000000..d74e5a9
--- /dev/null
+++ b/drivers/sh/pfc-gpio.c
@@ -0,0 +1,309 @@
+/*
+ * SuperH Pin Function Controller GPIO driver.
+ *
+ * Copyright (C) 2008 Magnus Damm
+ * Copyright (C) 2009 - 2012 Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/init.h>
+#include <linux/gpio.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+
+struct sh_pfc_chip {
+ struct sh_pfc *pfc;
+ struct gpio_chip gpio_chip;
+};
+
+static struct sh_pfc_chip *gpio_to_pfc_chip(struct gpio_chip *gc)
+{
+ return container_of(gc, struct sh_pfc_chip, gpio_chip);
+}
+
+static struct sh_pfc *gpio_to_pfc(struct gpio_chip *gc)
+{
+ return gpio_to_pfc_chip(gc)->pfc;
+}
+
+static int sh_gpio_request(struct gpio_chip *gc, unsigned offset)
+{
+ struct sh_pfc *pfc = gpio_to_pfc(gc);
+ struct pinmux_data_reg *dummy;
+ unsigned long flags;
+ int i, ret, pinmux_type;
+
+ ret = -EINVAL;
+
+ if (!pfc)
+ goto err_out;
+
+ spin_lock_irqsave(&pfc->lock, flags);
+
+ if ((pfc->gpios[offset].flags & PINMUX_FLAG_TYPE) != PINMUX_TYPE_NONE)
+ goto err_unlock;
+
+ /* setup pin function here if no data is associated with pin */
+
+ if (sh_pfc_get_data_reg(pfc, offset, &dummy, &i) != 0)
+ pinmux_type = PINMUX_TYPE_FUNCTION;
+ else
+ pinmux_type = PINMUX_TYPE_GPIO;
+
+ if (pinmux_type == PINMUX_TYPE_FUNCTION) {
+ if (sh_pfc_config_gpio(pfc, offset,
+ pinmux_type,
+ GPIO_CFG_DRYRUN) != 0)
+ goto err_unlock;
+
+ if (sh_pfc_config_gpio(pfc, offset,
+ pinmux_type,
+ GPIO_CFG_REQ) != 0)
+ BUG();
+ }
+
+ pfc->gpios[offset].flags &= ~PINMUX_FLAG_TYPE;
+ pfc->gpios[offset].flags |= pinmux_type;
+
+ ret = 0;
+ err_unlock:
+ spin_unlock_irqrestore(&pfc->lock, flags);
+ err_out:
+ return ret;
+}
+
+static void sh_gpio_free(struct gpio_chip *gc, unsigned offset)
+{
+ struct sh_pfc *pfc = gpio_to_pfc(gc);
+ unsigned long flags;
+ int pinmux_type;
+
+ if (!pfc)
+ return;
+
+ spin_lock_irqsave(&pfc->lock, flags);
+
+ pinmux_type = pfc->gpios[offset].flags & PINMUX_FLAG_TYPE;
+ sh_pfc_config_gpio(pfc, offset, pinmux_type, GPIO_CFG_FREE);
+ pfc->gpios[offset].flags &= ~PINMUX_FLAG_TYPE;
+ pfc->gpios[offset].flags |= PINMUX_TYPE_NONE;
+
+ spin_unlock_irqrestore(&pfc->lock, flags);
+}
+
+static int sh_gpio_direction_input(struct gpio_chip *gc, unsigned offset)
+{
+ struct sh_pfc *pfc = gpio_to_pfc(gc);
+ unsigned long flags;
+ int ret;
+
+ spin_lock_irqsave(&pfc->lock, flags);
+ ret = sh_pfc_set_direction(pfc, offset, PINMUX_TYPE_INPUT);
+ spin_unlock_irqrestore(&pfc->lock, flags);
+
+ return ret;
+}
+
+static void sh_gpio_set_value(struct sh_pfc *pfc, unsigned gpio, int value)
+{
+ struct pinmux_data_reg *dr = NULL;
+ int bit = 0;
+
+ if (!pfc || sh_pfc_get_data_reg(pfc, gpio, &dr, &bit) != 0)
+ BUG();
+ else
+ sh_pfc_write_bit(dr, bit, value);
+}
+
+static int sh_gpio_direction_output(struct gpio_chip *gc, unsigned offset,
+ int value)
+{
+ struct sh_pfc *pfc = gpio_to_pfc(gc);
+ unsigned long flags;
+ int ret;
+
+ sh_gpio_set_value(pfc, offset, value);
+
+ spin_lock_irqsave(&pfc->lock, flags);
+ ret = sh_pfc_set_direction(pfc, offset, PINMUX_TYPE_OUTPUT);
+ spin_unlock_irqrestore(&pfc->lock, flags);
+
+ return ret;
+}
+
+static int sh_gpio_get_value(struct sh_pfc *pfc, unsigned gpio)
+{
+ struct pinmux_data_reg *dr = NULL;
+ int bit = 0;
+
+ if (!pfc || sh_pfc_get_data_reg(pfc, gpio, &dr, &bit) != 0)
+ return -EINVAL;
+
+ return sh_pfc_read_bit(dr, bit);
+}
+
+static int sh_gpio_get(struct gpio_chip *gc, unsigned offset)
+{
+ return sh_gpio_get_value(gpio_to_pfc(gc), offset);
+}
+
+static void sh_gpio_set(struct gpio_chip *gc, unsigned offset, int value)
+{
+ sh_gpio_set_value(gpio_to_pfc(gc), offset, value);
+}
+
+static int sh_gpio_to_irq(struct gpio_chip *gc, unsigned offset)
+{
+ struct sh_pfc *pfc = gpio_to_pfc(gc);
+ pinmux_enum_t enum_id;
+ pinmux_enum_t *enum_ids;
+ int i, k, pos;
+
+ pos = 0;
+ enum_id = 0;
+ while (1) {
+ pos = sh_pfc_gpio_to_enum(pfc, offset, pos, &enum_id);
+ if (pos <= 0 || !enum_id)
+ break;
+
+ for (i = 0; i < pfc->gpio_irq_size; i++) {
+ enum_ids = pfc->gpio_irq[i].enum_ids;
+ for (k = 0; enum_ids[k]; k++) {
+ if (enum_ids[k] == enum_id)
+ return pfc->gpio_irq[i].irq;
+ }
+ }
+ }
+
+ return -ENOSYS;
+}
+
+static void sh_pfc_gpio_setup(struct sh_pfc_chip *chip)
+{
+ struct sh_pfc *pfc = chip->pfc;
+ struct gpio_chip *gc = &chip->gpio_chip;
+
+ gc->request = sh_gpio_request;
+ gc->free = sh_gpio_free;
+ gc->direction_input = sh_gpio_direction_input;
+ gc->get = sh_gpio_get;
+ gc->direction_output = sh_gpio_direction_output;
+ gc->set = sh_gpio_set;
+ gc->to_irq = sh_gpio_to_irq;
+
+ WARN_ON(pfc->first_gpio != 0); /* needs testing */
+
+ gc->label = pfc->name;
+ gc->owner = THIS_MODULE;
+ gc->base = pfc->first_gpio;
+ gc->ngpio = (pfc->last_gpio - pfc->first_gpio) + 1;
+}
+
+int sh_pfc_register_gpiochip(struct sh_pfc *pfc)
+{
+ struct sh_pfc_chip *chip;
+ int ret;
+
+ chip = kzalloc(sizeof(struct sh_pfc_chip), GFP_KERNEL);
+ if (unlikely(!chip))
+ return -ENOMEM;
+
+ chip->pfc = pfc;
+
+ sh_pfc_gpio_setup(chip);
+
+ ret = gpiochip_add(&chip->gpio_chip);
+ if (unlikely(ret < 0))
+ kfree(chip);
+
+ pr_info("%s handling gpio %d -> %d\n",
+ pfc->name, pfc->first_gpio, pfc->last_gpio);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(sh_pfc_register_gpiochip);
+
+static int sh_pfc_gpio_match(struct gpio_chip *gc, void *data)
+{
+ return !!strstr(gc->label, data);
+}
+
+static int __devinit sh_pfc_gpio_probe(struct platform_device *pdev)
+{
+ struct sh_pfc_chip *chip;
+ struct gpio_chip *gc;
+
+ gc = gpiochip_find("_pfc", sh_pfc_gpio_match);
+ if (unlikely(!gc)) {
+ pr_err("Cant find gpio chip\n");
+ return -ENODEV;
+ }
+
+ chip = gpio_to_pfc_chip(gc);
+ platform_set_drvdata(pdev, chip);
+
+ pr_info("attaching to GPIO chip %s\n", chip->pfc->name);
+
+ return 0;
+}
+
+static int __devexit sh_pfc_gpio_remove(struct platform_device *pdev)
+{
+ struct sh_pfc_chip *chip = platform_get_drvdata(pdev);
+ int ret;
+
+ ret = gpiochip_remove(&chip->gpio_chip);
+ if (unlikely(ret < 0))
+ return ret;
+
+ kfree(chip);
+ return 0;
+}
+
+static struct platform_driver sh_pfc_gpio_driver = {
+ .probe = sh_pfc_gpio_probe,
+ .remove = __devexit_p(sh_pfc_gpio_remove),
+ .driver = {
+ .name = KBUILD_MODNAME,
+ .owner = THIS_MODULE,
+ },
+};
+
+static struct platform_device sh_pfc_gpio_device = {
+ .name = KBUILD_MODNAME,
+ .id = -1,
+};
+
+static int __init sh_pfc_gpio_init(void)
+{
+ int rc;
+
+ rc = platform_driver_register(&sh_pfc_gpio_driver);
+ if (likely(!rc)) {
+ rc = platform_device_register(&sh_pfc_gpio_device);
+ if (unlikely(rc))
+ platform_driver_unregister(&sh_pfc_gpio_driver);
+ }
+
+ return rc;
+}
+
+static void __exit sh_pfc_gpio_exit(void)
+{
+ platform_device_unregister(&sh_pfc_gpio_device);
+ platform_driver_unregister(&sh_pfc_gpio_driver);
+}
+
+module_init(sh_pfc_gpio_init);
+module_exit(sh_pfc_gpio_exit);
+
+MODULE_AUTHOR("Magnus Damm, Paul Mundt");
+MODULE_DESCRIPTION("GPIO driver for SuperH pin function controller");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:pfc-gpio");
diff --git a/drivers/sh/pfc.c b/drivers/sh/pfc.c
index 522c6c4..ce4579e 100644
--- a/drivers/sh/pfc.c
+++ b/drivers/sh/pfc.c
@@ -1,7 +1,8 @@
/*
- * Pinmuxed GPIO support for SuperH.
+ * SuperH Pin Function Controller support.
*
* Copyright (C) 2008 Magnus Damm
+ * Copyright (C) 2009 - 2012 Paul Mundt
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
@@ -11,70 +12,74 @@
#include <linux/errno.h>
#include <linux/kernel.h>
-#include <linux/list.h>
+#include <linux/sh_pfc.h>
#include <linux/module.h>
-#include <linux/clk.h>
#include <linux/err.h>
#include <linux/io.h>
-#include <linux/irq.h>
#include <linux/bitops.h>
-#include <linux/gpio.h>
#include <linux/slab.h>
#include <linux/ioport.h>
-static void pfc_iounmap(struct pinmux_info *pip)
+static struct sh_pfc *sh_pfc __read_mostly;
+
+static inline bool sh_pfc_initialized(void)
+{
+ return !!sh_pfc;
+}
+
+static void pfc_iounmap(struct sh_pfc *pfc)
{
int k;
- for (k = 0; k < pip->num_resources; k++)
- if (pip->window[k].virt)
- iounmap(pip->window[k].virt);
+ for (k = 0; k < pfc->num_resources; k++)
+ if (pfc->window[k].virt)
+ iounmap(pfc->window[k].virt);
- kfree(pip->window);
- pip->window = NULL;
+ kfree(pfc->window);
+ pfc->window = NULL;
}
-static int pfc_ioremap(struct pinmux_info *pip)
+static int pfc_ioremap(struct sh_pfc *pfc)
{
struct resource *res;
int k;
- if (!pip->num_resources)
+ if (!pfc->num_resources)
return 0;
- pip->window = kzalloc(pip->num_resources * sizeof(*pip->window),
+ pfc->window = kzalloc(pfc->num_resources * sizeof(*pfc->window),
GFP_NOWAIT);
- if (!pip->window)
+ if (!pfc->window)
goto err1;
- for (k = 0; k < pip->num_resources; k++) {
- res = pip->resource + k;
+ for (k = 0; k < pfc->num_resources; k++) {
+ res = pfc->resource + k;
WARN_ON(resource_type(res) != IORESOURCE_MEM);
- pip->window[k].phys = res->start;
- pip->window[k].size = resource_size(res);
- pip->window[k].virt = ioremap_nocache(res->start,
+ pfc->window[k].phys = res->start;
+ pfc->window[k].size = resource_size(res);
+ pfc->window[k].virt = ioremap_nocache(res->start,
resource_size(res));
- if (!pip->window[k].virt)
+ if (!pfc->window[k].virt)
goto err2;
}
return 0;
err2:
- pfc_iounmap(pip);
+ pfc_iounmap(pfc);
err1:
return -1;
}
-static void __iomem *pfc_phys_to_virt(struct pinmux_info *pip,
+static void __iomem *pfc_phys_to_virt(struct sh_pfc *pfc,
unsigned long address)
{
struct pfc_window *window;
int k;
/* scan through physical windows and convert address */
- for (k = 0; k < pip->num_resources; k++) {
- window = pip->window + k;
+ for (k = 0; k < pfc->num_resources; k++) {
+ window = pfc->window + k;
if (address < window->phys)
continue;
@@ -135,8 +140,7 @@ static void gpio_write_raw_reg(void __iomem *mapped_reg,
BUG();
}
-static int gpio_read_bit(struct pinmux_data_reg *dr,
- unsigned long in_pos)
+int sh_pfc_read_bit(struct pinmux_data_reg *dr, unsigned long in_pos)
{
unsigned long pos;
@@ -147,9 +151,10 @@ static int gpio_read_bit(struct pinmux_data_reg *dr,
return (gpio_read_raw_reg(dr->mapped_reg, dr->reg_width) >> pos) & 1;
}
+EXPORT_SYMBOL_GPL(sh_pfc_read_bit);
-static void gpio_write_bit(struct pinmux_data_reg *dr,
- unsigned long in_pos, unsigned long value)
+void sh_pfc_write_bit(struct pinmux_data_reg *dr, unsigned long in_pos,
+ unsigned long value)
{
unsigned long pos;
@@ -166,8 +171,9 @@ static void gpio_write_bit(struct pinmux_data_reg *dr,
gpio_write_raw_reg(dr->mapped_reg, dr->reg_width, dr->reg_shadow);
}
+EXPORT_SYMBOL_GPL(sh_pfc_write_bit);
-static void config_reg_helper(struct pinmux_info *gpioc,
+static void config_reg_helper(struct sh_pfc *pfc,
struct pinmux_cfg_reg *crp,
unsigned long in_pos,
void __iomem **mapped_regp,
@@ -176,7 +182,7 @@ static void config_reg_helper(struct pinmux_info *gpioc,
{
int k;
- *mapped_regp = pfc_phys_to_virt(gpioc, crp->reg);
+ *mapped_regp = pfc_phys_to_virt(pfc, crp->reg);
if (crp->field_width) {
*maskp = (1 << crp->field_width) - 1;
@@ -189,14 +195,14 @@ static void config_reg_helper(struct pinmux_info *gpioc,
}
}
-static int read_config_reg(struct pinmux_info *gpioc,
+static int read_config_reg(struct sh_pfc *pfc,
struct pinmux_cfg_reg *crp,
unsigned long field)
{
void __iomem *mapped_reg;
unsigned long mask, pos;
- config_reg_helper(gpioc, crp, field, &mapped_reg, &mask, &pos);
+ config_reg_helper(pfc, crp, field, &mapped_reg, &mask, &pos);
pr_debug("read_reg: addr = %lx, field = %ld, "
"r_width = %ld, f_width = %ld\n",
@@ -205,14 +211,14 @@ static int read_config_reg(struct pinmux_info *gpioc,
return (gpio_read_raw_reg(mapped_reg, crp->reg_width) >> pos) & mask;
}
-static void write_config_reg(struct pinmux_info *gpioc,
+static void write_config_reg(struct sh_pfc *pfc,
struct pinmux_cfg_reg *crp,
unsigned long field, unsigned long value)
{
void __iomem *mapped_reg;
unsigned long mask, pos, data;
- config_reg_helper(gpioc, crp, field, &mapped_reg, &mask, &pos);
+ config_reg_helper(pfc, crp, field, &mapped_reg, &mask, &pos);
pr_debug("write_reg addr = %lx, value = %ld, field = %ld, "
"r_width = %ld, f_width = %ld\n",
@@ -225,30 +231,30 @@ static void write_config_reg(struct pinmux_info *gpioc,
data &= mask;
data |= value;
- if (gpioc->unlock_reg)
- gpio_write_raw_reg(pfc_phys_to_virt(gpioc, gpioc->unlock_reg),
+ if (pfc->unlock_reg)
+ gpio_write_raw_reg(pfc_phys_to_virt(pfc, pfc->unlock_reg),
32, ~data);
gpio_write_raw_reg(mapped_reg, crp->reg_width, data);
}
-static int setup_data_reg(struct pinmux_info *gpioc, unsigned gpio)
+static int setup_data_reg(struct sh_pfc *pfc, unsigned gpio)
{
- struct pinmux_gpio *gpiop = &gpioc->gpios[gpio];
+ struct pinmux_gpio *gpiop = &pfc->gpios[gpio];
struct pinmux_data_reg *data_reg;
int k, n;
- if (!enum_in_range(gpiop->enum_id, &gpioc->data))
+ if (!enum_in_range(gpiop->enum_id, &pfc->data))
return -1;
k = 0;
while (1) {
- data_reg = gpioc->data_regs + k;
+ data_reg = pfc->data_regs + k;
if (!data_reg->reg_width)
break;
- data_reg->mapped_reg = pfc_phys_to_virt(gpioc, data_reg->reg);
+ data_reg->mapped_reg = pfc_phys_to_virt(pfc, data_reg->reg);
for (n = 0; n < data_reg->reg_width; n++) {
if (data_reg->enum_ids[n] == gpiop->enum_id) {
@@ -267,17 +273,17 @@ static int setup_data_reg(struct pinmux_info *gpioc, unsigned gpio)
return -1;
}
-static void setup_data_regs(struct pinmux_info *gpioc)
+static void setup_data_regs(struct sh_pfc *pfc)
{
struct pinmux_data_reg *drp;
int k;
- for (k = gpioc->first_gpio; k <= gpioc->last_gpio; k++)
- setup_data_reg(gpioc, k);
+ for (k = pfc->first_gpio; k <= pfc->last_gpio; k++)
+ setup_data_reg(pfc, k);
k = 0;
while (1) {
- drp = gpioc->data_regs + k;
+ drp = pfc->data_regs + k;
if (!drp->reg_width)
break;
@@ -288,23 +294,24 @@ static void setup_data_regs(struct pinmux_info *gpioc)
}
}
-static int get_data_reg(struct pinmux_info *gpioc, unsigned gpio,
+int sh_pfc_get_data_reg(struct sh_pfc *pfc, unsigned gpio,
struct pinmux_data_reg **drp, int *bitp)
{
- struct pinmux_gpio *gpiop = &gpioc->gpios[gpio];
+ struct pinmux_gpio *gpiop = &pfc->gpios[gpio];
int k, n;
- if (!enum_in_range(gpiop->enum_id, &gpioc->data))
+ if (!enum_in_range(gpiop->enum_id, &pfc->data))
return -1;
k = (gpiop->flags & PINMUX_FLAG_DREG) >> PINMUX_FLAG_DREG_SHIFT;
n = (gpiop->flags & PINMUX_FLAG_DBIT) >> PINMUX_FLAG_DBIT_SHIFT;
- *drp = gpioc->data_regs + k;
+ *drp = pfc->data_regs + k;
*bitp = n;
return 0;
}
+EXPORT_SYMBOL_GPL(sh_pfc_get_data_reg);
-static int get_config_reg(struct pinmux_info *gpioc, pinmux_enum_t enum_id,
+static int get_config_reg(struct sh_pfc *pfc, pinmux_enum_t enum_id,
struct pinmux_cfg_reg **crp,
int *fieldp, int *valuep,
unsigned long **cntp)
@@ -315,7 +322,7 @@ static int get_config_reg(struct pinmux_info *gpioc, pinmux_enum_t enum_id,
k = 0;
while (1) {
- config_reg = gpioc->cfg_regs + k;
+ config_reg = pfc->cfg_regs + k;
r_width = config_reg->reg_width;
f_width = config_reg->field_width;
@@ -350,15 +357,15 @@ static int get_config_reg(struct pinmux_info *gpioc, pinmux_enum_t enum_id,
return -1;
}
-static int get_gpio_enum_id(struct pinmux_info *gpioc, unsigned gpio,
- int pos, pinmux_enum_t *enum_idp)
+int sh_pfc_gpio_to_enum(struct sh_pfc *pfc, unsigned gpio, int pos,
+ pinmux_enum_t *enum_idp)
{
- pinmux_enum_t enum_id = gpioc->gpios[gpio].enum_id;
- pinmux_enum_t *data = gpioc->gpio_data;
+ pinmux_enum_t enum_id = pfc->gpios[gpio].enum_id;
+ pinmux_enum_t *data = pfc->gpio_data;
int k;
- if (!enum_in_range(enum_id, &gpioc->data)) {
- if (!enum_in_range(enum_id, &gpioc->mark)) {
+ if (!enum_in_range(enum_id, &pfc->data)) {
+ if (!enum_in_range(enum_id, &pfc->mark)) {
pr_err("non data/mark enum_id for gpio %d\n", gpio);
return -1;
}
@@ -369,7 +376,7 @@ static int get_gpio_enum_id(struct pinmux_info *gpioc, unsigned gpio,
return pos + 1;
}
- for (k = 0; k < gpioc->gpio_data_size; k++) {
+ for (k = 0; k < pfc->gpio_data_size; k++) {
if (data[k] == enum_id) {
*enum_idp = data[k + 1];
return k + 1;
@@ -379,11 +386,10 @@ static int get_gpio_enum_id(struct pinmux_info *gpioc, unsigned gpio,
pr_err("cannot locate data/mark enum_id for gpio %d\n", gpio);
return -1;
}
+EXPORT_SYMBOL_GPL(sh_pfc_gpio_to_enum);
-enum { GPIO_CFG_DRYRUN, GPIO_CFG_REQ, GPIO_CFG_FREE };
-
-static int pinmux_config_gpio(struct pinmux_info *gpioc, unsigned gpio,
- int pinmux_type, int cfg_mode)
+int sh_pfc_config_gpio(struct sh_pfc *pfc, unsigned gpio, int pinmux_type,
+ int cfg_mode)
{
struct pinmux_cfg_reg *cr = NULL;
pinmux_enum_t enum_id;
@@ -398,19 +404,19 @@ static int pinmux_config_gpio(struct pinmux_info *gpioc, unsigned gpio,
break;
case PINMUX_TYPE_OUTPUT:
- range = &gpioc->output;
+ range = &pfc->output;
break;
case PINMUX_TYPE_INPUT:
- range = &gpioc->input;
+ range = &pfc->input;
break;
case PINMUX_TYPE_INPUT_PULLUP:
- range = &gpioc->input_pu;
+ range = &pfc->input_pu;
break;
case PINMUX_TYPE_INPUT_PULLDOWN:
- range = &gpioc->input_pd;
+ range = &pfc->input_pd;
break;
default:
@@ -422,7 +428,7 @@ static int pinmux_config_gpio(struct pinmux_info *gpioc, unsigned gpio,
field = 0;
value = 0;
while (1) {
- pos = get_gpio_enum_id(gpioc, gpio, pos, &enum_id);
+ pos = sh_pfc_gpio_to_enum(pfc, gpio, pos, &enum_id);
if (pos <= 0)
goto out_err;
@@ -430,7 +436,7 @@ static int pinmux_config_gpio(struct pinmux_info *gpioc, unsigned gpio,
break;
/* first check if this is a function enum */
- in_range = enum_in_range(enum_id, &gpioc->function);
+ in_range = enum_in_range(enum_id, &pfc->function);
if (!in_range) {
/* not a function enum */
if (range) {
@@ -467,19 +473,19 @@ static int pinmux_config_gpio(struct pinmux_info *gpioc, unsigned gpio,
if (!in_range)
continue;
- if (get_config_reg(gpioc, enum_id, &cr,
+ if (get_config_reg(pfc, enum_id, &cr,
&field, &value, &cntp) != 0)
goto out_err;
switch (cfg_mode) {
case GPIO_CFG_DRYRUN:
if (!*cntp ||
- (read_config_reg(gpioc, cr, field) != value))
+ (read_config_reg(pfc, cr, field) != value))
continue;
break;
case GPIO_CFG_REQ:
- write_config_reg(gpioc, cr, field, value);
+ write_config_reg(pfc, cr, field, value);
*cntp = *cntp + 1;
break;
@@ -493,89 +499,18 @@ static int pinmux_config_gpio(struct pinmux_info *gpioc, unsigned gpio,
out_err:
return -1;
}
+EXPORT_SYMBOL_GPL(sh_pfc_config_gpio);
-static DEFINE_SPINLOCK(gpio_lock);
-
-static struct pinmux_info *chip_to_pinmux(struct gpio_chip *chip)
-{
- return container_of(chip, struct pinmux_info, chip);
-}
-
-static int sh_gpio_request(struct gpio_chip *chip, unsigned offset)
-{
- struct pinmux_info *gpioc = chip_to_pinmux(chip);
- struct pinmux_data_reg *dummy;
- unsigned long flags;
- int i, ret, pinmux_type;
-
- ret = -EINVAL;
-
- if (!gpioc)
- goto err_out;
-
- spin_lock_irqsave(&gpio_lock, flags);
-
- if ((gpioc->gpios[offset].flags & PINMUX_FLAG_TYPE) != PINMUX_TYPE_NONE)
- goto err_unlock;
-
- /* setup pin function here if no data is associated with pin */
-
- if (get_data_reg(gpioc, offset, &dummy, &i) != 0)
- pinmux_type = PINMUX_TYPE_FUNCTION;
- else
- pinmux_type = PINMUX_TYPE_GPIO;
-
- if (pinmux_type == PINMUX_TYPE_FUNCTION) {
- if (pinmux_config_gpio(gpioc, offset,
- pinmux_type,
- GPIO_CFG_DRYRUN) != 0)
- goto err_unlock;
-
- if (pinmux_config_gpio(gpioc, offset,
- pinmux_type,
- GPIO_CFG_REQ) != 0)
- BUG();
- }
-
- gpioc->gpios[offset].flags &= ~PINMUX_FLAG_TYPE;
- gpioc->gpios[offset].flags |= pinmux_type;
-
- ret = 0;
- err_unlock:
- spin_unlock_irqrestore(&gpio_lock, flags);
- err_out:
- return ret;
-}
-
-static void sh_gpio_free(struct gpio_chip *chip, unsigned offset)
-{
- struct pinmux_info *gpioc = chip_to_pinmux(chip);
- unsigned long flags;
- int pinmux_type;
-
- if (!gpioc)
- return;
-
- spin_lock_irqsave(&gpio_lock, flags);
-
- pinmux_type = gpioc->gpios[offset].flags & PINMUX_FLAG_TYPE;
- pinmux_config_gpio(gpioc, offset, pinmux_type, GPIO_CFG_FREE);
- gpioc->gpios[offset].flags &= ~PINMUX_FLAG_TYPE;
- gpioc->gpios[offset].flags |= PINMUX_TYPE_NONE;
-
- spin_unlock_irqrestore(&gpio_lock, flags);
-}
-
-static int pinmux_direction(struct pinmux_info *gpioc,
- unsigned gpio, int new_pinmux_type)
+int sh_pfc_set_direction(struct sh_pfc *pfc, unsigned gpio,
+ int new_pinmux_type)
{
int pinmux_type;
int ret = -EINVAL;
- if (!gpioc)
+ if (!pfc)
goto err_out;
- pinmux_type = gpioc->gpios[gpio].flags & PINMUX_FLAG_TYPE;
+ pinmux_type = pfc->gpios[gpio].flags & PINMUX_FLAG_TYPE;
switch (pinmux_type) {
case PINMUX_TYPE_GPIO:
@@ -584,156 +519,60 @@ static int pinmux_direction(struct pinmux_info *gpioc,
case PINMUX_TYPE_INPUT:
case PINMUX_TYPE_INPUT_PULLUP:
case PINMUX_TYPE_INPUT_PULLDOWN:
- pinmux_config_gpio(gpioc, gpio, pinmux_type, GPIO_CFG_FREE);
+ sh_pfc_config_gpio(pfc, gpio, pinmux_type, GPIO_CFG_FREE);
break;
default:
goto err_out;
}
- if (pinmux_config_gpio(gpioc, gpio,
+ if (sh_pfc_config_gpio(pfc, gpio,
new_pinmux_type,
GPIO_CFG_DRYRUN) != 0)
goto err_out;
- if (pinmux_config_gpio(gpioc, gpio,
+ if (sh_pfc_config_gpio(pfc, gpio,
new_pinmux_type,
GPIO_CFG_REQ) != 0)
BUG();
- gpioc->gpios[gpio].flags &= ~PINMUX_FLAG_TYPE;
- gpioc->gpios[gpio].flags |= new_pinmux_type;
+ pfc->gpios[gpio].flags &= ~PINMUX_FLAG_TYPE;
+ pfc->gpios[gpio].flags |= new_pinmux_type;
ret = 0;
err_out:
return ret;
}
+EXPORT_SYMBOL_GPL(sh_pfc_set_direction);
-static int sh_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
-{
- struct pinmux_info *gpioc = chip_to_pinmux(chip);
- unsigned long flags;
- int ret;
-
- spin_lock_irqsave(&gpio_lock, flags);
- ret = pinmux_direction(gpioc, offset, PINMUX_TYPE_INPUT);
- spin_unlock_irqrestore(&gpio_lock, flags);
-
- return ret;
-}
-
-static void sh_gpio_set_value(struct pinmux_info *gpioc,
- unsigned gpio, int value)
-{
- struct pinmux_data_reg *dr = NULL;
- int bit = 0;
-
- if (!gpioc || get_data_reg(gpioc, gpio, &dr, &bit) != 0)
- BUG();
- else
- gpio_write_bit(dr, bit, value);
-}
-
-static int sh_gpio_direction_output(struct gpio_chip *chip, unsigned offset,
- int value)
+int register_sh_pfc(struct sh_pfc *pfc)
{
- struct pinmux_info *gpioc = chip_to_pinmux(chip);
- unsigned long flags;
+ int (*initroutine)(struct sh_pfc *) = NULL;
int ret;
- sh_gpio_set_value(gpioc, offset, value);
- spin_lock_irqsave(&gpio_lock, flags);
- ret = pinmux_direction(gpioc, offset, PINMUX_TYPE_OUTPUT);
- spin_unlock_irqrestore(&gpio_lock, flags);
-
- return ret;
-}
-
-static int sh_gpio_get_value(struct pinmux_info *gpioc, unsigned gpio)
-{
- struct pinmux_data_reg *dr = NULL;
- int bit = 0;
-
- if (!gpioc || get_data_reg(gpioc, gpio, &dr, &bit) != 0)
- return -EINVAL;
+ /*
+ * Ensure that the type encoding fits
+ */
+ BUILD_BUG_ON(PINMUX_FLAG_TYPE > ((1 << PINMUX_FLAG_DBIT_SHIFT) - 1));
- return gpio_read_bit(dr, bit);
-}
-
-static int sh_gpio_get(struct gpio_chip *chip, unsigned offset)
-{
- return sh_gpio_get_value(chip_to_pinmux(chip), offset);
-}
+ if (sh_pfc)
+ return -EBUSY;
-static void sh_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
-{
- sh_gpio_set_value(chip_to_pinmux(chip), offset, value);
-}
-
-static int sh_gpio_to_irq(struct gpio_chip *chip, unsigned offset)
-{
- struct pinmux_info *gpioc = chip_to_pinmux(chip);
- pinmux_enum_t enum_id;
- pinmux_enum_t *enum_ids;
- int i, k, pos;
-
- pos = 0;
- enum_id = 0;
- while (1) {
- pos = get_gpio_enum_id(gpioc, offset, pos, &enum_id);
- if (pos <= 0 || !enum_id)
- break;
-
- for (i = 0; i < gpioc->gpio_irq_size; i++) {
- enum_ids = gpioc->gpio_irq[i].enum_ids;
- for (k = 0; enum_ids[k]; k++) {
- if (enum_ids[k] == enum_id)
- return gpioc->gpio_irq[i].irq;
- }
- }
- }
-
- return -ENOSYS;
-}
-
-int register_pinmux(struct pinmux_info *pip)
-{
- struct gpio_chip *chip = &pip->chip;
- int ret;
-
- pr_info("%s handling gpio %d -> %d\n",
- pip->name, pip->first_gpio, pip->last_gpio);
-
- ret = pfc_ioremap(pip);
- if (ret < 0)
+ ret = pfc_ioremap(pfc);
+ if (unlikely(ret < 0))
return ret;
- setup_data_regs(pip);
-
- chip->request = sh_gpio_request;
- chip->free = sh_gpio_free;
- chip->direction_input = sh_gpio_direction_input;
- chip->get = sh_gpio_get;
- chip->direction_output = sh_gpio_direction_output;
- chip->set = sh_gpio_set;
- chip->to_irq = sh_gpio_to_irq;
-
- WARN_ON(pip->first_gpio != 0); /* needs testing */
+ spin_lock_init(&pfc->lock);
- chip->label = pip->name;
- chip->owner = THIS_MODULE;
- chip->base = pip->first_gpio;
- chip->ngpio = (pip->last_gpio - pip->first_gpio) + 1;
+ setup_data_regs(pfc);
- ret = gpiochip_add(chip);
- if (ret < 0)
- pfc_iounmap(pip);
+ sh_pfc = pfc;
+ pr_info("%s support registered\n", pfc->name);
- return ret;
-}
+ initroutine = symbol_request(sh_pfc_register_gpiochip);
+ if (initroutine) {
+ (*initroutine)(pfc);
+ symbol_put_addr(initroutine);
+ }
-int unregister_pinmux(struct pinmux_info *pip)
-{
- pr_info("%s deregistering\n", pip->name);
- pfc_iounmap(pip);
- return gpiochip_remove(&pip->chip);
+ return 0;
}
diff --git a/drivers/target/target_core_alua.c b/drivers/target/target_core_alua.c
index e624b83..9179997 100644
--- a/drivers/target/target_core_alua.c
+++ b/drivers/target/target_core_alua.c
@@ -374,8 +374,9 @@ int target_emulate_set_target_port_groups(struct se_cmd *cmd)
out:
transport_kunmap_data_sg(cmd);
- target_complete_cmd(cmd, GOOD);
- return 0;
+ if (!rc)
+ target_complete_cmd(cmd, GOOD);
+ return rc;
}
static inline int core_alua_state_nonoptimized(
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index b05fdc0..634d0f3 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -315,7 +315,7 @@ void transport_register_session(
}
EXPORT_SYMBOL(transport_register_session);
-static void target_release_session(struct kref *kref)
+void target_release_session(struct kref *kref)
{
struct se_session *se_sess = container_of(kref,
struct se_session, sess_kref);
@@ -332,6 +332,12 @@ EXPORT_SYMBOL(target_get_session);
void target_put_session(struct se_session *se_sess)
{
+ struct se_portal_group *tpg = se_sess->se_tpg;
+
+ if (tpg->se_tpg_tfo->put_session != NULL) {
+ tpg->se_tpg_tfo->put_session(se_sess);
+ return;
+ }
kref_put(&se_sess->sess_kref, target_release_session);
}
EXPORT_SYMBOL(target_put_session);
diff --git a/drivers/tty/hvc/hvc_xen.c b/drivers/tty/hvc/hvc_xen.c
index d3d91da..944eaeb 100644
--- a/drivers/tty/hvc/hvc_xen.c
+++ b/drivers/tty/hvc/hvc_xen.c
@@ -214,24 +214,24 @@ static int xen_hvm_console_init(void)
/* already configured */
if (info->intf != NULL)
return 0;
-
+ /*
+ * If the toolstack (or the hypervisor) hasn't set these values, the
+ * default value is 0. Even though mfn = 0 and evtchn = 0 are
+ * theoretically correct values, in practice they never are and they
+ * mean that a legacy toolstack hasn't initialized the pv console correctly.
+ */
r = hvm_get_parameter(HVM_PARAM_CONSOLE_EVTCHN, &v);
- if (r < 0) {
- kfree(info);
- return -ENODEV;
- }
+ if (r < 0 || v == 0)
+ goto err;
info->evtchn = v;
- hvm_get_parameter(HVM_PARAM_CONSOLE_PFN, &v);
- if (r < 0) {
- kfree(info);
- return -ENODEV;
- }
+ v = 0;
+ r = hvm_get_parameter(HVM_PARAM_CONSOLE_PFN, &v);
+ if (r < 0 || v == 0)
+ goto err;
mfn = v;
info->intf = ioremap(mfn << PAGE_SHIFT, PAGE_SIZE);
- if (info->intf == NULL) {
- kfree(info);
- return -ENODEV;
- }
+ if (info->intf == NULL)
+ goto err;
info->vtermno = HVC_COOKIE;
spin_lock(&xencons_lock);
@@ -239,6 +239,9 @@ static int xen_hvm_console_init(void)
spin_unlock(&xencons_lock);
return 0;
+err:
+ kfree(info);
+ return -ENODEV;
}
static int xen_pv_console_init(void)
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index f2a120e..36a2a0b 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -567,6 +567,14 @@ static int acm_port_activate(struct tty_port *port, struct tty_struct *tty)
usb_autopm_put_interface(acm->control);
+ /*
+ * Unthrottle device in case the TTY was closed while throttled.
+ */
+ spin_lock_irq(&acm->read_lock);
+ acm->throttled = 0;
+ acm->throttle_req = 0;
+ spin_unlock_irq(&acm->read_lock);
+
if (acm_submit_read_urbs(acm, GFP_KERNEL))
goto error_submit_read_urbs;
diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c
index ea8b304..8fd398d 100644
--- a/drivers/usb/class/cdc-wdm.c
+++ b/drivers/usb/class/cdc-wdm.c
@@ -55,6 +55,15 @@ static const struct usb_device_id wdm_ids[] = {
.bInterfaceSubClass = 1,
.bInterfaceProtocol = 9, /* NOTE: CDC ECM control interface! */
},
+ {
+ /* Vodafone/Huawei K5005 (12d1:14c8) and similar modems */
+ .match_flags = USB_DEVICE_ID_MATCH_VENDOR |
+ USB_DEVICE_ID_MATCH_INT_INFO,
+ .idVendor = HUAWEI_VENDOR_ID,
+ .bInterfaceClass = USB_CLASS_VENDOR_SPEC,
+ .bInterfaceSubClass = 1,
+ .bInterfaceProtocol = 57, /* NOTE: CDC ECM control interface! */
+ },
{ }
};
diff --git a/drivers/usb/core/hcd-pci.c b/drivers/usb/core/hcd-pci.c
index 57ed9e4..622b4a4 100644
--- a/drivers/usb/core/hcd-pci.c
+++ b/drivers/usb/core/hcd-pci.c
@@ -493,15 +493,6 @@ static int hcd_pci_suspend_noirq(struct device *dev)
pci_save_state(pci_dev);
- /*
- * Some systems crash if an EHCI controller is in D3 during
- * a sleep transition. We have to leave such controllers in D0.
- */
- if (hcd->broken_pci_sleep) {
- dev_dbg(dev, "Staying in PCI D0\n");
- return retval;
- }
-
/* If the root hub is dead rather than suspended, disallow remote
* wakeup. usb_hc_died() should ensure that both hosts are marked as
* dying, so we only need to check the primary roothub.
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 04fb834..25a7422 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -3379,7 +3379,7 @@ int usb_disable_lpm(struct usb_device *udev)
return 0;
udev->lpm_disable_count++;
- if ((udev->u1_params.timeout == 0 && udev->u1_params.timeout == 0))
+ if ((udev->u1_params.timeout == 0 && udev->u2_params.timeout == 0))
return 0;
/* If LPM is enabled, attempt to disable it. */
diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c
index b548cf1..bdd1c67 100644
--- a/drivers/usb/core/message.c
+++ b/drivers/usb/core/message.c
@@ -1838,7 +1838,6 @@ free_interfaces:
intfc = cp->intf_cache[i];
intf->altsetting = intfc->altsetting;
intf->num_altsetting = intfc->num_altsetting;
- intf->intf_assoc = find_iad(dev, cp, i);
kref_get(&intfc->ref);
alt = usb_altnum_to_altsetting(intf, 0);
@@ -1851,6 +1850,8 @@ free_interfaces:
if (!alt)
alt = &intf->altsetting[0];
+ intf->intf_assoc =
+ find_iad(dev, cp, alt->desc.bInterfaceNumber);
intf->cur_altsetting = alt;
usb_enable_interface(dev, intf, true);
intf->dev.parent = &dev->dev;
diff --git a/drivers/usb/gadget/atmel_usba_udc.c b/drivers/usb/gadget/atmel_usba_udc.c
index e23bf79..9a9bced 100644
--- a/drivers/usb/gadget/atmel_usba_udc.c
+++ b/drivers/usb/gadget/atmel_usba_udc.c
@@ -599,12 +599,6 @@ usba_ep_enable(struct usb_ep *_ep, const struct usb_endpoint_descriptor *desc)
spin_lock_irqsave(&ep->udc->lock, flags);
- if (ep->ep.desc) {
- spin_unlock_irqrestore(&ep->udc->lock, flags);
- DBG(DBG_ERR, "ep%d already enabled\n", ep->index);
- return -EBUSY;
- }
-
ep->ep.desc = desc;
ep->ep.maxpacket = maxpacket;
diff --git a/drivers/usb/gadget/fsl_qe_udc.c b/drivers/usb/gadget/fsl_qe_udc.c
index 51881f3..b09452d 100644
--- a/drivers/usb/gadget/fsl_qe_udc.c
+++ b/drivers/usb/gadget/fsl_qe_udc.c
@@ -1596,7 +1596,7 @@ static int qe_ep_enable(struct usb_ep *_ep,
ep = container_of(_ep, struct qe_ep, ep);
/* catch various bogus parameters */
- if (!_ep || !desc || ep->ep.desc || _ep->name == ep_name[0] ||
+ if (!_ep || !desc || _ep->name == ep_name[0] ||
(desc->bDescriptorType != USB_DT_ENDPOINT))
return -EINVAL;
diff --git a/drivers/usb/gadget/fsl_udc_core.c b/drivers/usb/gadget/fsl_udc_core.c
index 2831685..bc6f9bb 100644
--- a/drivers/usb/gadget/fsl_udc_core.c
+++ b/drivers/usb/gadget/fsl_udc_core.c
@@ -567,7 +567,7 @@ static int fsl_ep_enable(struct usb_ep *_ep,
ep = container_of(_ep, struct fsl_ep, ep);
/* catch various bogus parameters */
- if (!_ep || !desc || ep->ep.desc
+ if (!_ep || !desc
|| (desc->bDescriptorType != USB_DT_ENDPOINT))
return -EINVAL;
@@ -2575,7 +2575,7 @@ static int __init fsl_udc_probe(struct platform_device *pdev)
/* for ep0: the desc defined here;
* for other eps, gadget layer called ep_enable with defined desc
*/
- udc_controller->eps[0].desc = &fsl_ep0_desc;
+ udc_controller->eps[0].ep.desc = &fsl_ep0_desc;
udc_controller->eps[0].ep.maxpacket = USB_MAX_CTRL_PAYLOAD;
/* setup the udc->eps[] for non-control endpoints and link
diff --git a/drivers/usb/gadget/fsl_usb2_udc.h b/drivers/usb/gadget/fsl_usb2_udc.h
index 5cd7b7e..f61a967 100644
--- a/drivers/usb/gadget/fsl_usb2_udc.h
+++ b/drivers/usb/gadget/fsl_usb2_udc.h
@@ -568,10 +568,10 @@ static void dump_msg(const char *label, const u8 * buf, unsigned int length)
/*
* ### internal used help routines.
*/
-#define ep_index(EP) ((EP)->desc->bEndpointAddress&0xF)
+#define ep_index(EP) ((EP)->ep.desc->bEndpointAddress&0xF)
#define ep_maxpacket(EP) ((EP)->ep.maxpacket)
#define ep_is_in(EP) ( (ep_index(EP) == 0) ? (EP->udc->ep0_dir == \
- USB_DIR_IN ):((EP)->desc->bEndpointAddress \
+ USB_DIR_IN) : ((EP)->ep.desc->bEndpointAddress \
& USB_DIR_IN)==USB_DIR_IN)
#define get_ep_by_pipe(udc, pipe) ((pipe == 1)? &udc->eps[0]: \
&udc->eps[pipe])
diff --git a/drivers/usb/gadget/goku_udc.c b/drivers/usb/gadget/goku_udc.c
index b241e6c..3d28fb9 100644
--- a/drivers/usb/gadget/goku_udc.c
+++ b/drivers/usb/gadget/goku_udc.c
@@ -102,7 +102,7 @@ goku_ep_enable(struct usb_ep *_ep, const struct usb_endpoint_descriptor *desc)
unsigned long flags;
ep = container_of(_ep, struct goku_ep, ep);
- if (!_ep || !desc || ep->ep.desc
+ if (!_ep || !desc
|| desc->bDescriptorType != USB_DT_ENDPOINT)
return -EINVAL;
dev = ep->dev;
diff --git a/drivers/usb/gadget/mv_udc_core.c b/drivers/usb/gadget/mv_udc_core.c
index dbcd132..117a4bb 100644
--- a/drivers/usb/gadget/mv_udc_core.c
+++ b/drivers/usb/gadget/mv_udc_core.c
@@ -464,7 +464,7 @@ static int mv_ep_enable(struct usb_ep *_ep,
ep = container_of(_ep, struct mv_ep, ep);
udc = ep->udc;
- if (!_ep || !desc || ep->ep.desc
+ if (!_ep || !desc
|| desc->bDescriptorType != USB_DT_ENDPOINT)
return -EINVAL;
diff --git a/drivers/usb/gadget/omap_udc.c b/drivers/usb/gadget/omap_udc.c
index 7ba3246..a460e8c 100644
--- a/drivers/usb/gadget/omap_udc.c
+++ b/drivers/usb/gadget/omap_udc.c
@@ -153,7 +153,7 @@ static int omap_ep_enable(struct usb_ep *_ep,
u16 maxp;
/* catch various bogus parameters */
- if (!_ep || !desc || ep->ep.desc
+ if (!_ep || !desc
|| desc->bDescriptorType != USB_DT_ENDPOINT
|| ep->bEndpointAddress != desc->bEndpointAddress
|| ep->maxpacket < usb_endpoint_maxp(desc)) {
diff --git a/drivers/usb/gadget/pxa25x_udc.c b/drivers/usb/gadget/pxa25x_udc.c
index d7c8cb3..f7ff9e8 100644
--- a/drivers/usb/gadget/pxa25x_udc.c
+++ b/drivers/usb/gadget/pxa25x_udc.c
@@ -218,7 +218,7 @@ static int pxa25x_ep_enable (struct usb_ep *_ep,
struct pxa25x_udc *dev;
ep = container_of (_ep, struct pxa25x_ep, ep);
- if (!_ep || !desc || ep->ep.desc || _ep->name == ep0name
+ if (!_ep || !desc || _ep->name == ep0name
|| desc->bDescriptorType != USB_DT_ENDPOINT
|| ep->bEndpointAddress != desc->bEndpointAddress
|| ep->fifo_size < usb_endpoint_maxp (desc)) {
diff --git a/drivers/usb/gadget/s3c-hsudc.c b/drivers/usb/gadget/s3c-hsudc.c
index 36c6836..236b271 100644
--- a/drivers/usb/gadget/s3c-hsudc.c
+++ b/drivers/usb/gadget/s3c-hsudc.c
@@ -760,7 +760,7 @@ static int s3c_hsudc_ep_enable(struct usb_ep *_ep,
u32 ecr = 0;
hsep = our_ep(_ep);
- if (!_ep || !desc || hsep->ep.desc || _ep->name == ep0name
+ if (!_ep || !desc || _ep->name == ep0name
|| desc->bDescriptorType != USB_DT_ENDPOINT
|| hsep->bEndpointAddress != desc->bEndpointAddress
|| ep_maxpacket(hsep) < usb_endpoint_maxp(desc))
diff --git a/drivers/usb/gadget/s3c2410_udc.c b/drivers/usb/gadget/s3c2410_udc.c
index 3de71d3..f2e51f5 100644
--- a/drivers/usb/gadget/s3c2410_udc.c
+++ b/drivers/usb/gadget/s3c2410_udc.c
@@ -1062,7 +1062,7 @@ static int s3c2410_udc_ep_enable(struct usb_ep *_ep,
ep = to_s3c2410_ep(_ep);
- if (!_ep || !desc || ep->ep.desc
+ if (!_ep || !desc
|| _ep->name == ep0name
|| desc->bDescriptorType != USB_DT_ENDPOINT)
return -EINVAL;
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index b100f5f..800be38 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -671,7 +671,9 @@ static int ehci_init(struct usb_hcd *hcd)
hw = ehci->async->hw;
hw->hw_next = QH_NEXT(ehci, ehci->async->qh_dma);
hw->hw_info1 = cpu_to_hc32(ehci, QH_HEAD);
+#if defined(CONFIG_PPC_PS3)
hw->hw_info1 |= cpu_to_hc32(ehci, (1 << 7)); /* I = 1 */
+#endif
hw->hw_token = cpu_to_hc32(ehci, QTD_STS_HALT);
hw->hw_qtd_next = EHCI_LIST_END(ehci);
ehci->async->qh_state = QH_STATE_LINKED;
diff --git a/drivers/usb/host/ehci-omap.c b/drivers/usb/host/ehci-omap.c
index a44294d..17cfb8a 100644
--- a/drivers/usb/host/ehci-omap.c
+++ b/drivers/usb/host/ehci-omap.c
@@ -43,6 +43,7 @@
#include <linux/regulator/consumer.h>
#include <linux/pm_runtime.h>
#include <linux/gpio.h>
+#include <linux/clk.h>
/* EHCI Register Set */
#define EHCI_INSNREG04 (0xA0)
@@ -55,6 +56,15 @@
#define EHCI_INSNREG05_ULPI_EXTREGADD_SHIFT 8
#define EHCI_INSNREG05_ULPI_WRDATA_SHIFT 0
+/* Errata i693 */
+static struct clk *utmi_p1_fck;
+static struct clk *utmi_p2_fck;
+static struct clk *xclk60mhsp1_ck;
+static struct clk *xclk60mhsp2_ck;
+static struct clk *usbhost_p1_fck;
+static struct clk *usbhost_p2_fck;
+static struct clk *init_60m_fclk;
+
/*-------------------------------------------------------------------------*/
static const struct hc_driver ehci_omap_hc_driver;
@@ -70,6 +80,41 @@ static inline u32 ehci_read(void __iomem *base, u32 reg)
return __raw_readl(base + reg);
}
+/* Erratum i693 workaround sequence */
+static void omap_ehci_erratum_i693(struct ehci_hcd *ehci)
+{
+ int ret = 0;
+
+ /* Switch to the internal 60 MHz clock */
+ ret = clk_set_parent(utmi_p1_fck, init_60m_fclk);
+ if (ret != 0)
+ ehci_err(ehci, "init_60m_fclk set parent"
+ "failed error:%d\n", ret);
+
+ ret = clk_set_parent(utmi_p2_fck, init_60m_fclk);
+ if (ret != 0)
+ ehci_err(ehci, "init_60m_fclk set parent"
+ "failed error:%d\n", ret);
+
+ clk_enable(usbhost_p1_fck);
+ clk_enable(usbhost_p2_fck);
+
+ /* Wait 1ms and switch back to the external clock */
+ mdelay(1);
+ ret = clk_set_parent(utmi_p1_fck, xclk60mhsp1_ck);
+ if (ret != 0)
+ ehci_err(ehci, "xclk60mhsp1_ck set parent"
+ "failed error:%d\n", ret);
+
+ ret = clk_set_parent(utmi_p2_fck, xclk60mhsp2_ck);
+ if (ret != 0)
+ ehci_err(ehci, "xclk60mhsp2_ck set parent"
+ "failed error:%d\n", ret);
+
+ clk_disable(usbhost_p1_fck);
+ clk_disable(usbhost_p2_fck);
+}
+
static void omap_ehci_soft_phy_reset(struct platform_device *pdev, u8 port)
{
struct usb_hcd *hcd = dev_get_drvdata(&pdev->dev);
@@ -100,6 +145,50 @@ static void omap_ehci_soft_phy_reset(struct platform_device *pdev, u8 port)
}
}
+static int omap_ehci_hub_control(
+ struct usb_hcd *hcd,
+ u16 typeReq,
+ u16 wValue,
+ u16 wIndex,
+ char *buf,
+ u16 wLength
+)
+{
+ struct ehci_hcd *ehci = hcd_to_ehci(hcd);
+ u32 __iomem *status_reg = &ehci->regs->port_status[
+ (wIndex & 0xff) - 1];
+ u32 temp;
+ unsigned long flags;
+ int retval = 0;
+
+ spin_lock_irqsave(&ehci->lock, flags);
+
+ if (typeReq == SetPortFeature && wValue == USB_PORT_FEAT_SUSPEND) {
+ temp = ehci_readl(ehci, status_reg);
+ if ((temp & PORT_PE) == 0 || (temp & PORT_RESET) != 0) {
+ retval = -EPIPE;
+ goto done;
+ }
+
+ temp &= ~PORT_WKCONN_E;
+ temp |= PORT_WKDISC_E | PORT_WKOC_E;
+ ehci_writel(ehci, temp | PORT_SUSPEND, status_reg);
+
+ omap_ehci_erratum_i693(ehci);
+
+ set_bit((wIndex & 0xff) - 1, &ehci->suspended_ports);
+ goto done;
+ }
+
+ spin_unlock_irqrestore(&ehci->lock, flags);
+
+ /* Handle the hub control events here */
+ return ehci_hub_control(hcd, typeReq, wValue, wIndex, buf, wLength);
+done:
+ spin_unlock_irqrestore(&ehci->lock, flags);
+ return retval;
+}
+
static void disable_put_regulator(
struct ehci_hcd_omap_platform_data *pdata)
{
@@ -264,8 +353,76 @@ static int ehci_hcd_omap_probe(struct platform_device *pdev)
/* root ports should always stay powered */
ehci_port_power(omap_ehci, 1);
+ /* get clocks */
+ utmi_p1_fck = clk_get(dev, "utmi_p1_gfclk");
+ if (IS_ERR(utmi_p1_fck)) {
+ ret = PTR_ERR(utmi_p1_fck);
+ dev_err(dev, "utmi_p1_gfclk failed error:%d\n", ret);
+ goto err_add_hcd;
+ }
+
+ xclk60mhsp1_ck = clk_get(dev, "xclk60mhsp1_ck");
+ if (IS_ERR(xclk60mhsp1_ck)) {
+ ret = PTR_ERR(xclk60mhsp1_ck);
+ dev_err(dev, "xclk60mhsp1_ck failed error:%d\n", ret);
+ goto err_utmi_p1_fck;
+ }
+
+ utmi_p2_fck = clk_get(dev, "utmi_p2_gfclk");
+ if (IS_ERR(utmi_p2_fck)) {
+ ret = PTR_ERR(utmi_p2_fck);
+ dev_err(dev, "utmi_p2_gfclk failed error:%d\n", ret);
+ goto err_xclk60mhsp1_ck;
+ }
+
+ xclk60mhsp2_ck = clk_get(dev, "xclk60mhsp2_ck");
+ if (IS_ERR(xclk60mhsp2_ck)) {
+ ret = PTR_ERR(xclk60mhsp2_ck);
+ dev_err(dev, "xclk60mhsp2_ck failed error:%d\n", ret);
+ goto err_utmi_p2_fck;
+ }
+
+ usbhost_p1_fck = clk_get(dev, "usb_host_hs_utmi_p1_clk");
+ if (IS_ERR(usbhost_p1_fck)) {
+ ret = PTR_ERR(usbhost_p1_fck);
+ dev_err(dev, "usbhost_p1_fck failed error:%d\n", ret);
+ goto err_xclk60mhsp2_ck;
+ }
+
+ usbhost_p2_fck = clk_get(dev, "usb_host_hs_utmi_p2_clk");
+ if (IS_ERR(usbhost_p2_fck)) {
+ ret = PTR_ERR(usbhost_p2_fck);
+ dev_err(dev, "usbhost_p2_fck failed error:%d\n", ret);
+ goto err_usbhost_p1_fck;
+ }
+
+ init_60m_fclk = clk_get(dev, "init_60m_fclk");
+ if (IS_ERR(init_60m_fclk)) {
+ ret = PTR_ERR(init_60m_fclk);
+ dev_err(dev, "init_60m_fclk failed error:%d\n", ret);
+ goto err_usbhost_p2_fck;
+ }
+
return 0;
+err_usbhost_p2_fck:
+ clk_put(usbhost_p2_fck);
+
+err_usbhost_p1_fck:
+ clk_put(usbhost_p1_fck);
+
+err_xclk60mhsp2_ck:
+ clk_put(xclk60mhsp2_ck);
+
+err_utmi_p2_fck:
+ clk_put(utmi_p2_fck);
+
+err_xclk60mhsp1_ck:
+ clk_put(xclk60mhsp1_ck);
+
+err_utmi_p1_fck:
+ clk_put(utmi_p1_fck);
+
err_add_hcd:
disable_put_regulator(pdata);
pm_runtime_put_sync(dev);
@@ -294,6 +451,15 @@ static int ehci_hcd_omap_remove(struct platform_device *pdev)
disable_put_regulator(dev->platform_data);
iounmap(hcd->regs);
usb_put_hcd(hcd);
+
+ clk_put(utmi_p1_fck);
+ clk_put(utmi_p2_fck);
+ clk_put(xclk60mhsp1_ck);
+ clk_put(xclk60mhsp2_ck);
+ clk_put(usbhost_p1_fck);
+ clk_put(usbhost_p2_fck);
+ clk_put(init_60m_fclk);
+
pm_runtime_put_sync(dev);
pm_runtime_disable(dev);
@@ -364,7 +530,7 @@ static const struct hc_driver ehci_omap_hc_driver = {
* root hub support
*/
.hub_status_data = ehci_hub_status_data,
- .hub_control = ehci_hub_control,
+ .hub_control = omap_ehci_hub_control,
.bus_suspend = ehci_bus_suspend,
.bus_resume = ehci_bus_resume,
diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c
index bc94d7b..1234817 100644
--- a/drivers/usb/host/ehci-pci.c
+++ b/drivers/usb/host/ehci-pci.c
@@ -144,14 +144,6 @@ static int ehci_pci_setup(struct usb_hcd *hcd)
hcd->has_tt = 1;
tdi_reset(ehci);
}
- if (pdev->subsystem_vendor == PCI_VENDOR_ID_ASUSTEK) {
- /* EHCI #1 or #2 on 6 Series/C200 Series chipset */
- if (pdev->device == 0x1c26 || pdev->device == 0x1c2d) {
- ehci_info(ehci, "broken D3 during system sleep on ASUS\n");
- hcd->broken_pci_sleep = 1;
- device_set_wakeup_capable(&pdev->dev, false);
- }
- }
break;
case PCI_VENDOR_ID_TDI:
if (pdev->device == PCI_DEVICE_ID_TDI_EHCI) {
diff --git a/drivers/usb/host/ehci-sh.c b/drivers/usb/host/ehci-sh.c
index ca819cd..e7cb392 100644
--- a/drivers/usb/host/ehci-sh.c
+++ b/drivers/usb/host/ehci-sh.c
@@ -126,8 +126,7 @@ static int ehci_hcd_sh_probe(struct platform_device *pdev)
goto fail_create_hcd;
}
- if (pdev->dev.platform_data != NULL)
- pdata = pdev->dev.platform_data;
+ pdata = pdev->dev.platform_data;
/* initialize hcd */
hcd = usb_create_hcd(&ehci_sh_hc_driver, &pdev->dev,
diff --git a/drivers/usb/host/ehci-xilinx-of.c b/drivers/usb/host/ehci-xilinx-of.c
index 9c2cc46..e9713d5 100644
--- a/drivers/usb/host/ehci-xilinx-of.c
+++ b/drivers/usb/host/ehci-xilinx-of.c
@@ -270,14 +270,12 @@ static int ehci_hcd_xilinx_of_remove(struct platform_device *op)
*
* Properly shutdown the hcd, call driver's shutdown routine.
*/
-static int ehci_hcd_xilinx_of_shutdown(struct platform_device *op)
+static void ehci_hcd_xilinx_of_shutdown(struct platform_device *op)
{
struct usb_hcd *hcd = dev_get_drvdata(&op->dev);
if (hcd->driver->shutdown)
hcd->driver->shutdown(hcd);
-
- return 0;
}
diff --git a/drivers/usb/host/ohci-hub.c b/drivers/usb/host/ohci-hub.c
index 836772d..2f3619e 100644
--- a/drivers/usb/host/ohci-hub.c
+++ b/drivers/usb/host/ohci-hub.c
@@ -317,7 +317,7 @@ static int ohci_bus_resume (struct usb_hcd *hcd)
}
/* Carry out the final steps of resuming the controller device */
-static void ohci_finish_controller_resume(struct usb_hcd *hcd)
+static void __maybe_unused ohci_finish_controller_resume(struct usb_hcd *hcd)
{
struct ohci_hcd *ohci = hcd_to_ohci(hcd);
int port;
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index ec4338e..77689bd 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -793,10 +793,9 @@ static void xhci_free_tt_info(struct xhci_hcd *xhci,
struct xhci_virt_device *virt_dev,
int slot_id)
{
- struct list_head *tt;
struct list_head *tt_list_head;
- struct list_head *tt_next;
- struct xhci_tt_bw_info *tt_info;
+ struct xhci_tt_bw_info *tt_info, *next;
+ bool slot_found = false;
/* If the device never made it past the Set Address stage,
* it may not have the real_port set correctly.
@@ -808,34 +807,16 @@ static void xhci_free_tt_info(struct xhci_hcd *xhci,
}
tt_list_head = &(xhci->rh_bw[virt_dev->real_port - 1].tts);
- if (list_empty(tt_list_head))
- return;
-
- list_for_each(tt, tt_list_head) {
- tt_info = list_entry(tt, struct xhci_tt_bw_info, tt_list);
- if (tt_info->slot_id == slot_id)
+ list_for_each_entry_safe(tt_info, next, tt_list_head, tt_list) {
+ /* Multi-TT hubs will have more than one entry */
+ if (tt_info->slot_id == slot_id) {
+ slot_found = true;
+ list_del(&tt_info->tt_list);
+ kfree(tt_info);
+ } else if (slot_found) {
break;
+ }
}
- /* Cautionary measure in case the hub was disconnected before we
- * stored the TT information.
- */
- if (tt_info->slot_id != slot_id)
- return;
-
- tt_next = tt->next;
- tt_info = list_entry(tt, struct xhci_tt_bw_info,
- tt_list);
- /* Multi-TT hubs will have more than one entry */
- do {
- list_del(tt);
- kfree(tt_info);
- tt = tt_next;
- if (list_empty(tt_list_head))
- break;
- tt_next = tt->next;
- tt_info = list_entry(tt, struct xhci_tt_bw_info,
- tt_list);
- } while (tt_info->slot_id == slot_id);
}
int xhci_alloc_tt_info(struct xhci_hcd *xhci,
@@ -1791,17 +1772,9 @@ void xhci_mem_cleanup(struct xhci_hcd *xhci)
{
struct pci_dev *pdev = to_pci_dev(xhci_to_hcd(xhci)->self.controller);
struct dev_info *dev_info, *next;
- struct list_head *tt_list_head;
- struct list_head *tt;
- struct list_head *endpoints;
- struct list_head *ep, *q;
- struct xhci_tt_bw_info *tt_info;
- struct xhci_interval_bw_table *bwt;
- struct xhci_virt_ep *virt_ep;
-
unsigned long flags;
int size;
- int i;
+ int i, j, num_ports;
/* Free the Event Ring Segment Table and the actual Event Ring */
size = sizeof(struct xhci_erst_entry)*(xhci->erst.num_entries);
@@ -1860,21 +1833,22 @@ void xhci_mem_cleanup(struct xhci_hcd *xhci)
}
spin_unlock_irqrestore(&xhci->lock, flags);
- bwt = &xhci->rh_bw->bw_table;
- for (i = 0; i < XHCI_MAX_INTERVAL; i++) {
- endpoints = &bwt->interval_bw[i].endpoints;
- list_for_each_safe(ep, q, endpoints) {
- virt_ep = list_entry(ep, struct xhci_virt_ep, bw_endpoint_list);
- list_del(&virt_ep->bw_endpoint_list);
- kfree(virt_ep);
+ num_ports = HCS_MAX_PORTS(xhci->hcs_params1);
+ for (i = 0; i < num_ports; i++) {
+ struct xhci_interval_bw_table *bwt = &xhci->rh_bw[i].bw_table;
+ for (j = 0; j < XHCI_MAX_INTERVAL; j++) {
+ struct list_head *ep = &bwt->interval_bw[j].endpoints;
+ while (!list_empty(ep))
+ list_del_init(ep->next);
}
}
- tt_list_head = &xhci->rh_bw->tts;
- list_for_each_safe(tt, q, tt_list_head) {
- tt_info = list_entry(tt, struct xhci_tt_bw_info, tt_list);
- list_del(tt);
- kfree(tt_info);
+ for (i = 0; i < num_ports; i++) {
+ struct xhci_tt_bw_info *tt, *n;
+ list_for_each_entry_safe(tt, n, &xhci->rh_bw[i].tts, tt_list) {
+ list_del(&tt->tt_list);
+ kfree(tt);
+ }
}
xhci->num_usb2_ports = 0;
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index afdc73e..a979cd0 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -795,8 +795,8 @@ int xhci_suspend(struct xhci_hcd *xhci)
command = xhci_readl(xhci, &xhci->op_regs->command);
command |= CMD_CSS;
xhci_writel(xhci, command, &xhci->op_regs->command);
- if (handshake(xhci, &xhci->op_regs->status, STS_SAVE, 0, 10*100)) {
- xhci_warn(xhci, "WARN: xHC CMD_CSS timeout\n");
+ if (handshake(xhci, &xhci->op_regs->status, STS_SAVE, 0, 10 * 1000)) {
+ xhci_warn(xhci, "WARN: xHC save state timeout\n");
spin_unlock_irq(&xhci->lock);
return -ETIMEDOUT;
}
@@ -848,8 +848,8 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
command |= CMD_CRS;
xhci_writel(xhci, command, &xhci->op_regs->command);
if (handshake(xhci, &xhci->op_regs->status,
- STS_RESTORE, 0, 10*100)) {
- xhci_dbg(xhci, "WARN: xHC CMD_CSS timeout\n");
+ STS_RESTORE, 0, 10 * 1000)) {
+ xhci_warn(xhci, "WARN: xHC restore state timeout\n");
spin_unlock_irq(&xhci->lock);
return -ETIMEDOUT;
}
@@ -3906,7 +3906,7 @@ static u16 xhci_get_timeout_no_hub_lpm(struct usb_device *udev,
default:
dev_warn(&udev->dev, "%s: Can't get timeout for non-U1 or U2 state.\n",
__func__);
- return -EINVAL;
+ return USB3_LPM_DISABLED;
}
if (sel <= max_sel_pel && pel <= max_sel_pel)
diff --git a/drivers/usb/musb/davinci.c b/drivers/usb/musb/davinci.c
index 768b4b5..9d63ba4 100644
--- a/drivers/usb/musb/davinci.c
+++ b/drivers/usb/musb/davinci.c
@@ -34,6 +34,7 @@
#include <linux/dma-mapping.h>
#include <mach/cputype.h>
+#include <mach/hardware.h>
#include <asm/mach-types.h>
diff --git a/drivers/usb/musb/davinci.h b/drivers/usb/musb/davinci.h
index 046c844..371baa0 100644
--- a/drivers/usb/musb/davinci.h
+++ b/drivers/usb/musb/davinci.h
@@ -15,7 +15,7 @@
*/
/* Integrated highspeed/otg PHY */
-#define USBPHY_CTL_PADDR (DAVINCI_SYSTEM_MODULE_BASE + 0x34)
+#define USBPHY_CTL_PADDR 0x01c40034
#define USBPHY_DATAPOL BIT(11) /* (dm355) switch D+/D- */
#define USBPHY_PHYCLKGD BIT(8)
#define USBPHY_SESNDEN BIT(7) /* v(sess_end) comparator */
@@ -27,7 +27,7 @@
#define USBPHY_OTGPDWN BIT(1)
#define USBPHY_PHYPDWN BIT(0)
-#define DM355_DEEPSLEEP_PADDR (DAVINCI_SYSTEM_MODULE_BASE + 0x48)
+#define DM355_DEEPSLEEP_PADDR 0x01c40048
#define DRVVBUS_FORCE BIT(2)
#define DRVVBUS_OVERRIDE BIT(1)
diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c
index f42c29b..95918da 100644
--- a/drivers/usb/musb/musb_gadget.c
+++ b/drivers/usb/musb/musb_gadget.c
@@ -1232,6 +1232,7 @@ static int musb_gadget_disable(struct usb_ep *ep)
}
musb_ep->desc = NULL;
+ musb_ep->end_point.desc = NULL;
/* abort all pending DMA and requests */
nuke(musb_ep, -ESHUTDOWN);
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index 1b19262..73d25cd 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -82,6 +82,7 @@ static const struct usb_device_id id_table[] = {
{ USB_DEVICE(0x10C4, 0x8066) }, /* Argussoft In-System Programmer */
{ USB_DEVICE(0x10C4, 0x806F) }, /* IMS USB to RS422 Converter Cable */
{ USB_DEVICE(0x10C4, 0x807A) }, /* Crumb128 board */
+ { USB_DEVICE(0x10C4, 0x80C4) }, /* Cygnal Integrated Products, Inc., Optris infrared thermometer */
{ USB_DEVICE(0x10C4, 0x80CA) }, /* Degree Controls Inc */
{ USB_DEVICE(0x10C4, 0x80DD) }, /* Tracient RFID */
{ USB_DEVICE(0x10C4, 0x80F6) }, /* Suunto sports instrument */
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 8c084ea..bc912e5 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -737,6 +737,7 @@ static struct usb_device_id id_table_combined [] = {
{ USB_DEVICE(TELLDUS_VID, TELLDUS_TELLSTICK_PID) },
{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_SERIAL_VX7_PID) },
{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_CT29B_PID) },
+ { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_RTS01_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_MAXSTREAM_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_PHI_FISCO_PID) },
{ USB_DEVICE(TML_VID, TML_USB_SERIAL_PID) },
diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
index f3c7c78..5661c7e 100644
--- a/drivers/usb/serial/ftdi_sio_ids.h
+++ b/drivers/usb/serial/ftdi_sio_ids.h
@@ -784,6 +784,7 @@
#define RTSYSTEMS_VID 0x2100 /* Vendor ID */
#define RTSYSTEMS_SERIAL_VX7_PID 0x9e52 /* Serial converter for VX-7 Radios using FT232RL */
#define RTSYSTEMS_CT29B_PID 0x9e54 /* CT29B Radio Cable */
+#define RTSYSTEMS_RTS01_PID 0x9e57 /* USB-RTS01 Radio Cable */
/*
diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c
index 105a6d8..9b026bf 100644
--- a/drivers/usb/serial/generic.c
+++ b/drivers/usb/serial/generic.c
@@ -39,13 +39,6 @@ MODULE_PARM_DESC(product, "User specified USB idProduct");
static struct usb_device_id generic_device_ids[2]; /* Initially all zeroes. */
-/* we want to look at all devices, as the vendor/product id can change
- * depending on the command line argument */
-static const struct usb_device_id generic_serial_ids[] = {
- {.driver_info = 42},
- {}
-};
-
/* All of the device info needed for the Generic Serial Converter */
struct usb_serial_driver usb_serial_generic_device = {
.driver = {
@@ -79,7 +72,8 @@ int usb_serial_generic_register(int _debug)
USB_DEVICE_ID_MATCH_VENDOR | USB_DEVICE_ID_MATCH_PRODUCT;
/* register our generic driver with ourselves */
- retval = usb_serial_register_drivers(serial_drivers, "usbserial_generic", generic_serial_ids);
+ retval = usb_serial_register_drivers(serial_drivers,
+ "usbserial_generic", generic_device_ids);
#endif
return retval;
}
diff --git a/drivers/usb/serial/mct_u232.c b/drivers/usb/serial/mct_u232.c
index d0ec1aa..a71fa0a 100644
--- a/drivers/usb/serial/mct_u232.c
+++ b/drivers/usb/serial/mct_u232.c
@@ -309,13 +309,16 @@ static int mct_u232_set_modem_ctrl(struct usb_serial *serial,
MCT_U232_SET_REQUEST_TYPE,
0, 0, buf, MCT_U232_SET_MODEM_CTRL_SIZE,
WDR_TIMEOUT);
- if (rc < 0)
- dev_err(&serial->dev->dev,
- "Set MODEM CTRL 0x%x failed (error = %d)\n", mcr, rc);
+ kfree(buf);
+
dbg("set_modem_ctrl: state=0x%x ==> mcr=0x%x", control_state, mcr);
- kfree(buf);
- return rc;
+ if (rc < 0) {
+ dev_err(&serial->dev->dev,
+ "Set MODEM CTRL 0x%x failed (error = %d)\n", mcr, rc);
+ return rc;
+ }
+ return 0;
} /* mct_u232_set_modem_ctrl */
static int mct_u232_get_modem_stat(struct usb_serial *serial,
diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c
index 29160f8..57eca24 100644
--- a/drivers/usb/serial/mos7840.c
+++ b/drivers/usb/serial/mos7840.c
@@ -190,7 +190,7 @@
static int device_type;
-static const struct usb_device_id id_table[] __devinitconst = {
+static const struct usb_device_id id_table[] = {
{USB_DEVICE(USB_VENDOR_ID_MOSCHIP, MOSCHIP_DEVICE_ID_7840)},
{USB_DEVICE(USB_VENDOR_ID_MOSCHIP, MOSCHIP_DEVICE_ID_7820)},
{USB_DEVICE(USB_VENDOR_ID_MOSCHIP, MOSCHIP_DEVICE_ID_7810)},
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 1aae902..e668a24 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -47,6 +47,7 @@
/* Function prototypes */
static int option_probe(struct usb_serial *serial,
const struct usb_device_id *id);
+static void option_release(struct usb_serial *serial);
static int option_send_setup(struct usb_serial_port *port);
static void option_instat_callback(struct urb *urb);
@@ -150,6 +151,7 @@ static void option_instat_callback(struct urb *urb);
#define HUAWEI_PRODUCT_E14AC 0x14AC
#define HUAWEI_PRODUCT_K3806 0x14AE
#define HUAWEI_PRODUCT_K4605 0x14C6
+#define HUAWEI_PRODUCT_K5005 0x14C8
#define HUAWEI_PRODUCT_K3770 0x14C9
#define HUAWEI_PRODUCT_K3771 0x14CA
#define HUAWEI_PRODUCT_K4510 0x14CB
@@ -425,7 +427,7 @@ static void option_instat_callback(struct urb *urb);
#define SAMSUNG_VENDOR_ID 0x04e8
#define SAMSUNG_PRODUCT_GT_B3730 0x6889
-/* YUGA products www.yuga-info.com*/
+/* YUGA products www.yuga-info.com gavin.kx@qq.com */
#define YUGA_VENDOR_ID 0x257A
#define YUGA_PRODUCT_CEM600 0x1601
#define YUGA_PRODUCT_CEM610 0x1602
@@ -442,6 +444,8 @@ static void option_instat_callback(struct urb *urb);
#define YUGA_PRODUCT_CEU516 0x160C
#define YUGA_PRODUCT_CEU528 0x160D
#define YUGA_PRODUCT_CEU526 0x160F
+#define YUGA_PRODUCT_CEU881 0x161F
+#define YUGA_PRODUCT_CEU882 0x162F
#define YUGA_PRODUCT_CWM600 0x2601
#define YUGA_PRODUCT_CWM610 0x2602
@@ -457,23 +461,26 @@ static void option_instat_callback(struct urb *urb);
#define YUGA_PRODUCT_CWU518 0x260B
#define YUGA_PRODUCT_CWU516 0x260C
#define YUGA_PRODUCT_CWU528 0x260D
+#define YUGA_PRODUCT_CWU581 0x260E
#define YUGA_PRODUCT_CWU526 0x260F
-
-#define YUGA_PRODUCT_CLM600 0x2601
-#define YUGA_PRODUCT_CLM610 0x2602
-#define YUGA_PRODUCT_CLM500 0x2603
-#define YUGA_PRODUCT_CLM510 0x2604
-#define YUGA_PRODUCT_CLM800 0x2605
-#define YUGA_PRODUCT_CLM900 0x2606
-
-#define YUGA_PRODUCT_CLU718 0x2607
-#define YUGA_PRODUCT_CLU716 0x2608
-#define YUGA_PRODUCT_CLU728 0x2609
-#define YUGA_PRODUCT_CLU726 0x260A
-#define YUGA_PRODUCT_CLU518 0x260B
-#define YUGA_PRODUCT_CLU516 0x260C
-#define YUGA_PRODUCT_CLU528 0x260D
-#define YUGA_PRODUCT_CLU526 0x260F
+#define YUGA_PRODUCT_CWU582 0x261F
+#define YUGA_PRODUCT_CWU583 0x262F
+
+#define YUGA_PRODUCT_CLM600 0x3601
+#define YUGA_PRODUCT_CLM610 0x3602
+#define YUGA_PRODUCT_CLM500 0x3603
+#define YUGA_PRODUCT_CLM510 0x3604
+#define YUGA_PRODUCT_CLM800 0x3605
+#define YUGA_PRODUCT_CLM900 0x3606
+
+#define YUGA_PRODUCT_CLU718 0x3607
+#define YUGA_PRODUCT_CLU716 0x3608
+#define YUGA_PRODUCT_CLU728 0x3609
+#define YUGA_PRODUCT_CLU726 0x360A
+#define YUGA_PRODUCT_CLU518 0x360B
+#define YUGA_PRODUCT_CLU516 0x360C
+#define YUGA_PRODUCT_CLU528 0x360D
+#define YUGA_PRODUCT_CLU526 0x360F
/* Viettel products */
#define VIETTEL_VENDOR_ID 0x2262
@@ -666,6 +673,11 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K3806, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K4605, 0xff, 0xff, 0xff),
.driver_info = (kernel_ulong_t) &huawei_cdc12_blacklist },
+ { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K4605, 0xff, 0x01, 0x31) },
+ { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K4605, 0xff, 0x01, 0x32) },
+ { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K5005, 0xff, 0x01, 0x31) },
+ { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K5005, 0xff, 0x01, 0x32) },
+ { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K5005, 0xff, 0x01, 0x33) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K3770, 0xff, 0x02, 0x31) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K3770, 0xff, 0x02, 0x32) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K3771, 0xff, 0x02, 0x31) },
@@ -1209,6 +1221,11 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CLU516) },
{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CLU528) },
{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CLU526) },
+ { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CEU881) },
+ { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CEU882) },
+ { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CWU581) },
+ { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CWU582) },
+ { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CWU583) },
{ USB_DEVICE_AND_INTERFACE_INFO(VIETTEL_VENDOR_ID, VIETTEL_PRODUCT_VT1000, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(ZD_VENDOR_ID, ZD_PRODUCT_7000, 0xff, 0xff, 0xff) },
{ USB_DEVICE(LG_VENDOR_ID, LG_PRODUCT_L02C) }, /* docomo L-02C modem */
@@ -1245,7 +1262,7 @@ static struct usb_serial_driver option_1port_device = {
.ioctl = usb_wwan_ioctl,
.attach = usb_wwan_startup,
.disconnect = usb_wwan_disconnect,
- .release = usb_wwan_release,
+ .release = option_release,
.read_int_callback = option_instat_callback,
#ifdef CONFIG_PM
.suspend = usb_wwan_suspend,
@@ -1259,35 +1276,6 @@ static struct usb_serial_driver * const serial_drivers[] = {
static bool debug;
-/* per port private data */
-
-#define N_IN_URB 4
-#define N_OUT_URB 4
-#define IN_BUFLEN 4096
-#define OUT_BUFLEN 4096
-
-struct option_port_private {
- /* Input endpoints and buffer for this port */
- struct urb *in_urbs[N_IN_URB];
- u8 *in_buffer[N_IN_URB];
- /* Output endpoints and buffer for this port */
- struct urb *out_urbs[N_OUT_URB];
- u8 *out_buffer[N_OUT_URB];
- unsigned long out_busy; /* Bit vector of URBs in use */
- int opened;
- struct usb_anchor delayed;
-
- /* Settings for the port */
- int rts_state; /* Handshaking pins (outputs) */
- int dtr_state;
- int cts_state; /* Handshaking pins (inputs) */
- int dsr_state;
- int dcd_state;
- int ri_state;
-
- unsigned long tx_start_time[N_OUT_URB];
-};
-
module_usb_serial_driver(serial_drivers, option_ids);
static bool is_blacklisted(const u8 ifnum, enum option_blacklist_reason reason,
@@ -1356,12 +1344,22 @@ static int option_probe(struct usb_serial *serial,
return 0;
}
+static void option_release(struct usb_serial *serial)
+{
+ struct usb_wwan_intf_private *priv = usb_get_serial_data(serial);
+
+ usb_wwan_release(serial);
+
+ kfree(priv);
+}
+
static void option_instat_callback(struct urb *urb)
{
int err;
int status = urb->status;
struct usb_serial_port *port = urb->context;
- struct option_port_private *portdata = usb_get_serial_port_data(port);
+ struct usb_wwan_port_private *portdata =
+ usb_get_serial_port_data(port);
dbg("%s: urb %p port %p has data %p", __func__, urb, port, portdata);
@@ -1421,7 +1419,7 @@ static int option_send_setup(struct usb_serial_port *port)
struct usb_serial *serial = port->serial;
struct usb_wwan_intf_private *intfdata =
(struct usb_wwan_intf_private *) serial->private;
- struct option_port_private *portdata;
+ struct usb_wwan_port_private *portdata;
int ifNum = serial->interface->cur_altsetting->desc.bInterfaceNumber;
int val = 0;
diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c
index 0d5fe59..996015c 100644
--- a/drivers/usb/serial/qcserial.c
+++ b/drivers/usb/serial/qcserial.c
@@ -105,7 +105,13 @@ static const struct usb_device_id id_table[] = {
{USB_DEVICE(0x1410, 0xa021)}, /* Novatel Gobi 3000 Composite */
{USB_DEVICE(0x413c, 0x8193)}, /* Dell Gobi 3000 QDL */
{USB_DEVICE(0x413c, 0x8194)}, /* Dell Gobi 3000 Composite */
+ {USB_DEVICE(0x1199, 0x9010)}, /* Sierra Wireless Gobi 3000 QDL */
+ {USB_DEVICE(0x1199, 0x9012)}, /* Sierra Wireless Gobi 3000 QDL */
{USB_DEVICE(0x1199, 0x9013)}, /* Sierra Wireless Gobi 3000 Modem device (MC8355) */
+ {USB_DEVICE(0x1199, 0x9014)}, /* Sierra Wireless Gobi 3000 QDL */
+ {USB_DEVICE(0x1199, 0x9015)}, /* Sierra Wireless Gobi 3000 Modem device */
+ {USB_DEVICE(0x1199, 0x9018)}, /* Sierra Wireless Gobi 3000 QDL */
+ {USB_DEVICE(0x1199, 0x9019)}, /* Sierra Wireless Gobi 3000 Modem device */
{USB_DEVICE(0x12D1, 0x14F0)}, /* Sony Gobi 3000 QDL */
{USB_DEVICE(0x12D1, 0x14F1)}, /* Sony Gobi 3000 Composite */
{ } /* Terminating entry */
diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c
index ba54a0a..d423d36 100644
--- a/drivers/usb/serial/sierra.c
+++ b/drivers/usb/serial/sierra.c
@@ -294,6 +294,10 @@ static const struct usb_device_id id_table[] = {
{ USB_DEVICE(0x1199, 0x68A3), /* Sierra Wireless Direct IP modems */
.driver_info = (kernel_ulong_t)&direct_ip_interface_blacklist
},
+ /* AT&T Direct IP LTE modems */
+ { USB_DEVICE_AND_INTERFACE_INFO(0x0F3D, 0x68AA, 0xFF, 0xFF, 0xFF),
+ .driver_info = (kernel_ulong_t)&direct_ip_interface_blacklist
+ },
{ USB_DEVICE(0x0f3d, 0x68A3), /* Airprime/Sierra Wireless Direct IP modems */
.driver_info = (kernel_ulong_t)&direct_ip_interface_blacklist
},
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index 6a1b609..27483f9 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -659,12 +659,14 @@ exit:
static struct usb_serial_driver *search_serial_device(
struct usb_interface *iface)
{
- const struct usb_device_id *id;
+ const struct usb_device_id *id = NULL;
struct usb_serial_driver *drv;
+ struct usb_driver *driver = to_usb_driver(iface->dev.driver);
/* Check if the usb id matches a known device */
list_for_each_entry(drv, &usb_serial_driver_list, driver_list) {
- id = get_iface_id(drv, iface);
+ if (drv->usb_driver == driver)
+ id = get_iface_id(drv, iface);
if (id)
return drv;
}
@@ -755,7 +757,7 @@ static int usb_serial_probe(struct usb_interface *interface,
if (retval) {
dbg("sub driver rejected device");
- kfree(serial);
+ usb_serial_put(serial);
module_put(type->driver.owner);
return retval;
}
@@ -827,7 +829,7 @@ static int usb_serial_probe(struct usb_interface *interface,
*/
if (num_bulk_in == 0 || num_bulk_out == 0) {
dev_info(&interface->dev, "PL-2303 hack: descriptors matched but endpoints did not\n");
- kfree(serial);
+ usb_serial_put(serial);
module_put(type->driver.owner);
return -ENODEV;
}
@@ -841,7 +843,7 @@ static int usb_serial_probe(struct usb_interface *interface,
if (num_ports == 0) {
dev_err(&interface->dev,
"Generic device with no bulk out, not allowed.\n");
- kfree(serial);
+ usb_serial_put(serial);
module_put(type->driver.owner);
return -EIO;
}
diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index 1719886..caf22bf 100644
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -1107,6 +1107,13 @@ UNUSUAL_DEV( 0x090a, 0x1200, 0x0000, 0x9999,
USB_SC_RBC, USB_PR_BULK, NULL,
0 ),
+/* Feiya QDI U2 DISK, reported by Hans de Goede <hdegoede@redhat.com> */
+UNUSUAL_DEV( 0x090c, 0x1000, 0x0000, 0xffff,
+ "Feiya",
+ "QDI U2 DISK",
+ USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+ US_FL_NO_READ_CAPACITY_16 ),
+
/* aeb */
UNUSUAL_DEV( 0x090c, 0x1132, 0x0000, 0xffff,
"Feiya",
diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig
index fa2b037..2979292 100644
--- a/drivers/video/backlight/Kconfig
+++ b/drivers/video/backlight/Kconfig
@@ -88,7 +88,7 @@ config LCD_PLATFORM
config LCD_TOSA
tristate "Sharp SL-6000 LCD Driver"
- depends on SPI && MACH_TOSA
+ depends on I2C && SPI && MACH_TOSA
help
If you have an Sharp SL-6000 Zaurus say Y to enable a driver
for its LCD.
diff --git a/drivers/video/backlight/ili9320.c b/drivers/video/backlight/ili9320.c
index 6c93993..9327cd1 100644
--- a/drivers/video/backlight/ili9320.c
+++ b/drivers/video/backlight/ili9320.c
@@ -263,7 +263,7 @@ int __devinit ili9320_probe_spi(struct spi_device *spi,
EXPORT_SYMBOL_GPL(ili9320_probe_spi);
-int __devexit ili9320_remove(struct ili9320 *ili)
+int ili9320_remove(struct ili9320 *ili)
{
ili9320_power(ili, FB_BLANK_POWERDOWN);
diff --git a/drivers/video/bfin_adv7393fb.c b/drivers/video/bfin_adv7393fb.c
index 33ea874..9bdd4b0 100644
--- a/drivers/video/bfin_adv7393fb.c
+++ b/drivers/video/bfin_adv7393fb.c
@@ -353,18 +353,16 @@ adv7393_read_proc(char *page, char **start, off_t off,
static int
adv7393_write_proc(struct file *file, const char __user * buffer,
- unsigned long count, void *data)
+ size_t count, void *data)
{
struct adv7393fb_device *fbdev = data;
- char line[8];
unsigned int val;
int ret;
- ret = copy_from_user(line, buffer, count);
+ ret = kstrtouint_from_user(buffer, count, 0, &val);
if (ret)
return -EFAULT;
- val = simple_strtoul(line, NULL, 0);
adv7393_write(fbdev->client, val >> 8, val & 0xff);
return count;
diff --git a/drivers/video/broadsheetfb.c b/drivers/video/broadsheetfb.c
index 377dde3..c95b417 100644
--- a/drivers/video/broadsheetfb.c
+++ b/drivers/video/broadsheetfb.c
@@ -1211,7 +1211,7 @@ static int __devexit broadsheetfb_remove(struct platform_device *dev)
static struct platform_driver broadsheetfb_driver = {
.probe = broadsheetfb_probe,
- .remove = broadsheetfb_remove,
+ .remove = __devexit_p(broadsheetfb_remove),
.driver = {
.owner = THIS_MODULE,
.name = "broadsheetfb",
diff --git a/drivers/video/console/Kconfig b/drivers/video/console/Kconfig
index c2d11fe..e2c96d0 100644
--- a/drivers/video/console/Kconfig
+++ b/drivers/video/console/Kconfig
@@ -224,5 +224,19 @@ config FONT_10x18
big letters. It fits between the sun 12x22 and the normal 8x16 font.
If other fonts are too big or too small for you, say Y, otherwise say N.
+config FONT_AUTOSELECT
+ def_bool y
+ depends on FRAMEBUFFER_CONSOLE || SGI_NEWPORT_CONSOLE || STI_CONSOLE || USB_SISUSBVGA_CON
+ depends on !FONT_8x8
+ depends on !FONT_6x11
+ depends on !FONT_7x14
+ depends on !FONT_PEARL_8x8
+ depends on !FONT_ACORN_8x8
+ depends on !FONT_MINI_4x6
+ depends on !FONT_SUN8x16
+ depends on !FONT_SUN12x22
+ depends on !FONT_10x18
+ select FONT_8x16
+
endmenu
diff --git a/drivers/video/mbx/mbxfb.c b/drivers/video/mbx/mbxfb.c
index ab0a8e5..85e4f44 100644
--- a/drivers/video/mbx/mbxfb.c
+++ b/drivers/video/mbx/mbxfb.c
@@ -1045,7 +1045,7 @@ static int __devexit mbxfb_remove(struct platform_device *dev)
static struct platform_driver mbxfb_driver = {
.probe = mbxfb_probe,
- .remove = mbxfb_remove,
+ .remove = __devexit_p(mbxfb_remove),
.suspend = mbxfb_suspend,
.resume = mbxfb_resume,
.driver = {
diff --git a/drivers/video/omap2/displays/panel-taal.c b/drivers/video/omap2/displays/panel-taal.c
index 2ce9992..901576e 100644
--- a/drivers/video/omap2/displays/panel-taal.c
+++ b/drivers/video/omap2/displays/panel-taal.c
@@ -526,7 +526,7 @@ static ssize_t taal_num_errors_show(struct device *dev,
{
struct omap_dss_device *dssdev = to_dss_device(dev);
struct taal_data *td = dev_get_drvdata(&dssdev->dev);
- u8 errors;
+ u8 errors = 0;
int r;
mutex_lock(&td->lock);
diff --git a/drivers/video/omap2/dss/core.c b/drivers/video/omap2/dss/core.c
index 72ded9c..5066eee 100644
--- a/drivers/video/omap2/dss/core.c
+++ b/drivers/video/omap2/dss/core.c
@@ -194,8 +194,7 @@ static inline int dss_initialize_debugfs(void)
static inline void dss_uninitialize_debugfs(void)
{
}
-static inline int dss_debugfs_create_file(const char *name,
- void (*write)(struct seq_file *))
+int dss_debugfs_create_file(const char *name, void (*write)(struct seq_file *))
{
return 0;
}
diff --git a/drivers/video/omap2/dss/dsi.c b/drivers/video/omap2/dss/dsi.c
index ec363d8..ca8382d 100644
--- a/drivers/video/omap2/dss/dsi.c
+++ b/drivers/video/omap2/dss/dsi.c
@@ -3724,7 +3724,7 @@ static int dsi_compute_interleave_lp(int blank, int enter_hs, int exit_hs,
/* CLKIN4DDR = 16 * TXBYTECLKHS */
tlp_avail = thsbyte_clk * (blank - trans_lp);
- ttxclkesc = tdsi_fclk / lp_clk_div;
+ ttxclkesc = tdsi_fclk * lp_clk_div;
lp_inter = ((tlp_avail - 8 * thsbyte_clk - 5 * tdsi_fclk) / ttxclkesc -
26) / 16;
diff --git a/drivers/video/omap2/dss/dss.c b/drivers/video/omap2/dss/dss.c
index 6ea1ff1..7706323 100644
--- a/drivers/video/omap2/dss/dss.c
+++ b/drivers/video/omap2/dss/dss.c
@@ -731,7 +731,7 @@ static void dss_runtime_put(void)
DSSDBG("dss_runtime_put\n");
r = pm_runtime_put_sync(&dss.pdev->dev);
- WARN_ON(r < 0);
+ WARN_ON(r < 0 && r != -EBUSY);
}
/* DEBUGFS */
diff --git a/drivers/video/s3c-fb.c b/drivers/video/s3c-fb.c
index 5f9d8e690..ea7b661 100644
--- a/drivers/video/s3c-fb.c
+++ b/drivers/video/s3c-fb.c
@@ -361,7 +361,7 @@ static int s3c_fb_calc_pixclk(struct s3c_fb *sfb, unsigned int pixclk)
result = (unsigned int)tmp / 1000;
dev_dbg(sfb->dev, "pixclk=%u, clk=%lu, div=%d (%lu)\n",
- pixclk, clk, result, clk / result);
+ pixclk, clk, result, result ? clk / result : clk);
return result;
}
@@ -1348,8 +1348,14 @@ static void s3c_fb_clear_win(struct s3c_fb *sfb, int win)
writel(0, regs + VIDOSD_A(win, sfb->variant));
writel(0, regs + VIDOSD_B(win, sfb->variant));
writel(0, regs + VIDOSD_C(win, sfb->variant));
- reg = readl(regs + SHADOWCON);
- writel(reg & ~SHADOWCON_WINx_PROTECT(win), regs + SHADOWCON);
+
+ if (sfb->variant.has_shadowcon) {
+ reg = readl(sfb->regs + SHADOWCON);
+ reg &= ~(SHADOWCON_WINx_PROTECT(win) |
+ SHADOWCON_CHx_ENABLE(win) |
+ SHADOWCON_CHx_LOCAL_ENABLE(win));
+ writel(reg, sfb->regs + SHADOWCON);
+ }
}
static int __devinit s3c_fb_probe(struct platform_device *pdev)
diff --git a/drivers/video/savage/savagefb_driver.c b/drivers/video/savage/savagefb_driver.c
index cee7803..f3d3b9c 100644
--- a/drivers/video/savage/savagefb_driver.c
+++ b/drivers/video/savage/savagefb_driver.c
@@ -1351,7 +1351,7 @@ static void savagefb_set_par_int(struct savagefb_par *par, struct savage_reg *r
/* following part not present in X11 driver */
cr67 = vga_in8(0x3d5, par) & 0xf;
vga_out8(0x3d5, 0x50 | cr67, par);
- udelay(10000);
+ mdelay(10);
vga_out8(0x3d4, 0x67, par);
/* end of part */
vga_out8(0x3d5, reg->CR67 & ~0x0c, par);
@@ -1904,11 +1904,11 @@ static int savage_init_hw(struct savagefb_par *par)
vga_out8(0x3d4, 0x66, par);
cr66 = vga_in8(0x3d5, par);
vga_out8(0x3d5, cr66 | 0x02, par);
- udelay(10000);
+ mdelay(10);
vga_out8(0x3d4, 0x66, par);
vga_out8(0x3d5, cr66 & ~0x02, par); /* clear reset flag */
- udelay(10000);
+ mdelay(10);
/*
@@ -1918,11 +1918,11 @@ static int savage_init_hw(struct savagefb_par *par)
vga_out8(0x3d4, 0x3f, par);
cr3f = vga_in8(0x3d5, par);
vga_out8(0x3d5, cr3f | 0x08, par);
- udelay(10000);
+ mdelay(10);
vga_out8(0x3d4, 0x3f, par);
vga_out8(0x3d5, cr3f & ~0x08, par); /* clear reset flags */
- udelay(10000);
+ mdelay(10);
/* Savage ramdac speeds */
par->numClocks = 4;
diff --git a/drivers/xen/events.c b/drivers/xen/events.c
index 6908e4c..7595581 100644
--- a/drivers/xen/events.c
+++ b/drivers/xen/events.c
@@ -827,6 +827,9 @@ int bind_evtchn_to_irq(unsigned int evtchn)
handle_edge_irq, "event");
xen_irq_info_evtchn_init(irq, evtchn);
+ } else {
+ struct irq_info *info = info_for_irq(irq);
+ WARN_ON(info == NULL || info->type != IRQT_EVTCHN);
}
out:
@@ -862,6 +865,9 @@ static int bind_ipi_to_irq(unsigned int ipi, unsigned int cpu)
xen_irq_info_ipi_init(cpu, irq, evtchn, ipi);
bind_evtchn_to_cpu(evtchn, cpu);
+ } else {
+ struct irq_info *info = info_for_irq(irq);
+ WARN_ON(info == NULL || info->type != IRQT_IPI);
}
out:
@@ -939,6 +945,9 @@ int bind_virq_to_irq(unsigned int virq, unsigned int cpu)
xen_irq_info_virq_init(cpu, irq, evtchn, virq);
bind_evtchn_to_cpu(evtchn, cpu);
+ } else {
+ struct irq_info *info = info_for_irq(irq);
+ WARN_ON(info == NULL || info->type != IRQT_VIRQ);
}
out:
diff --git a/drivers/xen/pci.c b/drivers/xen/pci.c
index b84bf0b..18fff88 100644
--- a/drivers/xen/pci.c
+++ b/drivers/xen/pci.c
@@ -59,7 +59,7 @@ static int xen_add_device(struct device *dev)
#ifdef CONFIG_ACPI
handle = DEVICE_ACPI_HANDLE(&pci_dev->dev);
- if (!handle)
+ if (!handle && pci_dev->bus->bridge)
handle = DEVICE_ACPI_HANDLE(pci_dev->bus->bridge);
#ifdef CONFIG_PCI_IOV
if (!handle && pci_dev->is_virtfn)
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