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author | Jeff Garzik <jeff@garzik.org> | 2006-06-13 20:28:05 -0400 |
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committer | Jeff Garzik <jeff@garzik.org> | 2006-06-13 20:28:05 -0400 |
commit | db9ca5803566078aafe63cf364ef98b5097e4194 (patch) | |
tree | ce330cdf21728f00801004e3900c79e4195cd516 /drivers | |
parent | bf717b11aec20965d48dea36dea3eea18a75d18c (diff) | |
parent | eb35cf60e462491249166182e3e755d3d5d91a28 (diff) | |
download | op-kernel-dev-db9ca5803566078aafe63cf364ef98b5097e4194.zip op-kernel-dev-db9ca5803566078aafe63cf364ef98b5097e4194.tar.gz |
Merge branch 'master' into upstream
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/char/n_tty.c | 4 | ||||
-rw-r--r-- | drivers/net/sky2.c | 46 | ||||
-rw-r--r-- | drivers/pci/pci-driver.c | 13 | ||||
-rw-r--r-- | drivers/pci/pci.c | 18 | ||||
-rw-r--r-- | drivers/usb/host/ohci-pxa27x.c | 3 |
5 files changed, 61 insertions, 23 deletions
diff --git a/drivers/char/n_tty.c b/drivers/char/n_tty.c index ede365d..b9371d5 100644 --- a/drivers/char/n_tty.c +++ b/drivers/char/n_tty.c @@ -1384,8 +1384,10 @@ do_it_again: * longer than TTY_THRESHOLD_UNTHROTTLE in canonical mode, * we won't get any more characters. */ - if (n_tty_chars_in_buffer(tty) <= TTY_THRESHOLD_UNTHROTTLE) + if (n_tty_chars_in_buffer(tty) <= TTY_THRESHOLD_UNTHROTTLE) { + n_tty_set_room(tty); check_unthrottle(tty); + } if (b - buf >= minimum) break; diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index 9591096..97fe956 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c @@ -187,12 +187,11 @@ static u16 gm_phy_read(struct sky2_hw *hw, unsigned port, u16 reg) return v; } -static int sky2_set_power_state(struct sky2_hw *hw, pci_power_t state) +static void sky2_set_power_state(struct sky2_hw *hw, pci_power_t state) { u16 power_control; u32 reg1; int vaux; - int ret = 0; pr_debug("sky2_set_power_state %d\n", state); sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON); @@ -275,12 +274,10 @@ static int sky2_set_power_state(struct sky2_hw *hw, pci_power_t state) break; default: printk(KERN_ERR PFX "Unknown power state %d\n", state); - ret = -1; } sky2_pci_write16(hw, hw->pm_cap + PCI_PM_CTRL, power_control); sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF); - return ret; } static void sky2_phy_reset(struct sky2_hw *hw, unsigned port) @@ -2164,6 +2161,13 @@ static void sky2_descriptor_error(struct sky2_hw *hw, unsigned port, /* If idle then force a fake soft NAPI poll once a second * to work around cases where sharing an edge triggered interrupt. */ +static inline void sky2_idle_start(struct sky2_hw *hw) +{ + if (idle_timeout > 0) + mod_timer(&hw->idle_timer, + jiffies + msecs_to_jiffies(idle_timeout)); +} + static void sky2_idle(unsigned long arg) { struct sky2_hw *hw = (struct sky2_hw *) arg; @@ -2183,6 +2187,9 @@ static int sky2_poll(struct net_device *dev0, int *budget) int work_done = 0; u32 status = sky2_read32(hw, B0_Y2_SP_EISR); + if (!~status) + goto out; + if (status & Y2_IS_HW_ERR) sky2_hw_intr(hw); @@ -2219,7 +2226,7 @@ static int sky2_poll(struct net_device *dev0, int *budget) if (sky2_more_work(hw)) return 1; - +out: netif_rx_complete(dev0); sky2_read32(hw, B0_Y2_SP_LISR); @@ -3350,9 +3357,7 @@ static int __devinit sky2_probe(struct pci_dev *pdev, sky2_write32(hw, B0_IMSK, Y2_IS_BASE); setup_timer(&hw->idle_timer, sky2_idle, (unsigned long) hw); - if (idle_timeout > 0) - mod_timer(&hw->idle_timer, - jiffies + msecs_to_jiffies(idle_timeout)); + sky2_idle_start(hw); pci_set_drvdata(pdev, hw); @@ -3425,8 +3430,14 @@ static int sky2_suspend(struct pci_dev *pdev, pm_message_t state) { struct sky2_hw *hw = pci_get_drvdata(pdev); int i; + pci_power_t pstate = pci_choose_state(pdev, state); + + if (!(pstate == PCI_D3hot || pstate == PCI_D3cold)) + return -EINVAL; + + del_timer_sync(&hw->idle_timer); - for (i = 0; i < 2; i++) { + for (i = 0; i < hw->ports; i++) { struct net_device *dev = hw->dev[i]; if (dev) { @@ -3438,7 +3449,10 @@ static int sky2_suspend(struct pci_dev *pdev, pm_message_t state) } } - return sky2_set_power_state(hw, pci_choose_state(pdev, state)); + sky2_write32(hw, B0_IMSK, 0); + pci_save_state(pdev); + sky2_set_power_state(hw, pstate); + return 0; } static int sky2_resume(struct pci_dev *pdev) @@ -3448,15 +3462,15 @@ static int sky2_resume(struct pci_dev *pdev) pci_restore_state(pdev); pci_enable_wake(pdev, PCI_D0, 0); - err = sky2_set_power_state(hw, PCI_D0); - if (err) - goto out; + sky2_set_power_state(hw, PCI_D0); err = sky2_reset(hw); if (err) goto out; - for (i = 0; i < 2; i++) { + sky2_write32(hw, B0_IMSK, Y2_IS_BASE); + + for (i = 0; i < hw->ports; i++) { struct net_device *dev = hw->dev[i]; if (dev && netif_running(dev)) { netif_device_attach(dev); @@ -3465,10 +3479,12 @@ static int sky2_resume(struct pci_dev *pdev) printk(KERN_ERR PFX "%s: could not up: %d\n", dev->name, err); dev_close(dev); - break; + goto out; } } } + + sky2_idle_start(hw); out: return err; } diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c index 1456759..10e1a90 100644 --- a/drivers/pci/pci-driver.c +++ b/drivers/pci/pci-driver.c @@ -285,9 +285,9 @@ static int pci_device_suspend(struct device * dev, pm_message_t state) * Default resume method for devices that have no driver provided resume, * or not even a driver at all. */ -static void pci_default_resume(struct pci_dev *pci_dev) +static int pci_default_resume(struct pci_dev *pci_dev) { - int retval; + int retval = 0; /* restore the PCI config space */ pci_restore_state(pci_dev); @@ -297,18 +297,21 @@ static void pci_default_resume(struct pci_dev *pci_dev) /* if the device was busmaster before the suspend, make it busmaster again */ if (pci_dev->is_busmaster) pci_set_master(pci_dev); + + return retval; } static int pci_device_resume(struct device * dev) { + int error; struct pci_dev * pci_dev = to_pci_dev(dev); struct pci_driver * drv = pci_dev->driver; if (drv && drv->resume) - drv->resume(pci_dev); + error = drv->resume(pci_dev); else - pci_default_resume(pci_dev); - return 0; + error = pci_default_resume(pci_dev); + return error; } static void pci_device_shutdown(struct device *dev) diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 2329f94..1228627 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -461,9 +461,23 @@ int pci_restore_state(struct pci_dev *dev) { int i; + int val; - for (i = 0; i < 16; i++) - pci_write_config_dword(dev,i * 4, dev->saved_config_space[i]); + /* + * The Base Address register should be programmed before the command + * register(s) + */ + for (i = 15; i >= 0; i--) { + pci_read_config_dword(dev, i * 4, &val); + if (val != dev->saved_config_space[i]) { + printk(KERN_DEBUG "PM: Writing back config space on " + "device %s at offset %x (was %x, writing %x)\n", + pci_name(dev), i, + val, (int)dev->saved_config_space[i]); + pci_write_config_dword(dev,i * 4, + dev->saved_config_space[i]); + } + } pci_restore_msi_state(dev); pci_restore_msix_state(dev); return 0; diff --git a/drivers/usb/host/ohci-pxa27x.c b/drivers/usb/host/ohci-pxa27x.c index acde886..fafe7c1 100644 --- a/drivers/usb/host/ohci-pxa27x.c +++ b/drivers/usb/host/ohci-pxa27x.c @@ -185,6 +185,9 @@ int usb_hcd_pxa27x_probe (const struct hc_driver *driver, struct platform_device /* Select Power Management Mode */ pxa27x_ohci_select_pmm(inf->port_mode); + if (inf->power_budget) + hcd->power_budget = inf->power_budget; + ohci_hcd_init(hcd_to_ohci(hcd)); retval = usb_add_hcd(hcd, pdev->resource[1].start, SA_INTERRUPT); 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