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authorLinus Torvalds <torvalds@linux-foundation.org>2012-05-22 15:50:46 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-05-22 15:50:46 -0700
commita481991467d38afb43c3921d5b5b59ccb61b04ba (patch)
treea4b0b9a14da6fd5ef7b9b512bb32dbfcfcf2cd71 /drivers/usb/host/ehci-fsl.c
parentf6a26ae7699416d86bea8cb68ce413571e9cab3c (diff)
parentcda4db53e9c28061c100400e1a4d273ea61dfba9 (diff)
downloadop-kernel-dev-a481991467d38afb43c3921d5b5b59ccb61b04ba.zip
op-kernel-dev-a481991467d38afb43c3921d5b5b59ccb61b04ba.tar.gz
Merge tag 'usb-3.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB 3.5-rc1 changes from Greg Kroah-Hartman: "Here is the big USB 3.5-rc1 pull request for the 3.5-rc1 merge window. It's touches a lot of different parts of the kernel, all USB drivers, due to some API cleanups (getting rid of the ancient err() macro) and some changes that are needed for USB 3.0 power management updates. There are also lots of new drivers, pimarily gadget, but others as well. We deleted a staging driver, which was nice, and finally dropped the obsolete usbfs code, which will make Al happy to never have to touch that again. There were some build errors in the tree that linux-next found a few days ago, but those were fixed by the most recent changes (all were due to us not building with CONFIG_PM disabled.) Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>" * tag 'usb-3.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (477 commits) xhci: Fix DIV_ROUND_UP compile error. xhci: Fix compile with CONFIG_USB_SUSPEND=n USB: Fix core compile with CONFIG_USB_SUSPEND=n brcm80211: Fix compile error for .disable_hub_initiated_lpm. Revert "USB: EHCI: work around bug in the Philips ISP1562 controller" MAINTAINERS: Add myself as maintainer to the USB PHY Layer USB: EHCI: fix command register configuration lost problem USB: Remove races in devio.c USB: ehci-platform: remove update_device USB: Disable hub-initiated LPM for comms devices. xhci: Add Intel U1/U2 timeout policy. xhci: Add infrastructure for host-specific LPM policies. USB: Add macros for interrupt endpoint types. xhci: Reserve one command for USB3 LPM disable. xhci: Some Evaluate Context commands must succeed. USB: Disable USB 3.0 LPM in critical sections. USB: Add support to enable/disable USB3 link states. USB: Allow drivers to disable hub-initiated LPM. USB: Calculate USB 3.0 exit latencies for LPM. USB: Refactor code to set LPM support flag. ... Conflicts: arch/arm/mach-exynos/mach-nuri.c arch/arm/mach-exynos/mach-universal_c210.c drivers/net/wireless/ath/ath6kl/usb.c
Diffstat (limited to 'drivers/usb/host/ehci-fsl.c')
-rw-r--r--drivers/usb/host/ehci-fsl.c41
1 files changed, 29 insertions, 12 deletions
diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c
index d0a84bd..4336257 100644
--- a/drivers/usb/host/ehci-fsl.c
+++ b/drivers/usb/host/ehci-fsl.c
@@ -1,6 +1,6 @@
/*
* Copyright 2005-2009 MontaVista Software, Inc.
- * Copyright 2008 Freescale Semiconductor, Inc.
+ * Copyright 2008,2012 Freescale Semiconductor, Inc.
*
* 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
@@ -150,8 +150,7 @@ static int usb_hcd_fsl_probe(const struct hc_driver *driver,
retval = otg_set_host(ehci->transceiver->otg,
&ehci_to_hcd(ehci)->self);
if (retval) {
- if (ehci->transceiver)
- put_device(ehci->transceiver->dev);
+ usb_put_transceiver(ehci->transceiver);
goto err4;
}
} else {
@@ -195,7 +194,7 @@ static void usb_hcd_fsl_remove(struct usb_hcd *hcd,
if (ehci->transceiver) {
otg_set_host(ehci->transceiver->otg, NULL);
- put_device(ehci->transceiver->dev);
+ usb_put_transceiver(ehci->transceiver);
}
usb_remove_hcd(hcd);
@@ -211,22 +210,32 @@ static void usb_hcd_fsl_remove(struct usb_hcd *hcd,
usb_put_hcd(hcd);
}
-static void ehci_fsl_setup_phy(struct ehci_hcd *ehci,
+static void ehci_fsl_setup_phy(struct usb_hcd *hcd,
enum fsl_usb2_phy_modes phy_mode,
unsigned int port_offset)
{
- u32 portsc;
- struct usb_hcd *hcd = ehci_to_hcd(ehci);
+ u32 portsc, temp;
+ struct ehci_hcd *ehci = hcd_to_ehci(hcd);
void __iomem *non_ehci = hcd->regs;
- struct fsl_usb2_platform_data *pdata;
+ struct device *dev = hcd->self.controller;
+ struct fsl_usb2_platform_data *pdata = dev->platform_data;
- pdata = hcd->self.controller->platform_data;
+ if (pdata->controller_ver < 0) {
+ dev_warn(hcd->self.controller, "Could not get controller version\n");
+ return;
+ }
portsc = ehci_readl(ehci, &ehci->regs->port_status[port_offset]);
portsc &= ~(PORT_PTS_MSK | PORT_PTS_PTW);
switch (phy_mode) {
case FSL_USB2_PHY_ULPI:
+ if (pdata->controller_ver) {
+ /* controller version 1.6 or above */
+ temp = in_be32(non_ehci + FSL_SOC_USB_CTRL);
+ out_be32(non_ehci + FSL_SOC_USB_CTRL, temp |
+ USB_CTRL_USB_EN | ULPI_PHY_CLK_SEL);
+ }
portsc |= PORT_PTS_ULPI;
break;
case FSL_USB2_PHY_SERIAL:
@@ -236,6 +245,14 @@ static void ehci_fsl_setup_phy(struct ehci_hcd *ehci,
portsc |= PORT_PTS_PTW;
/* fall through */
case FSL_USB2_PHY_UTMI:
+ if (pdata->controller_ver) {
+ /* controller version 1.6 or above */
+ temp = in_be32(non_ehci + FSL_SOC_USB_CTRL);
+ out_be32(non_ehci + FSL_SOC_USB_CTRL, temp |
+ UTMI_PHY_EN | USB_CTRL_USB_EN);
+ mdelay(FSL_UTMI_PHY_DLY); /* Delay for UTMI PHY CLK to
+ become stable - 10ms*/
+ }
/* enable UTMI PHY */
if (pdata->have_sysif_regs)
setbits32(non_ehci + FSL_SOC_USB_CTRL,
@@ -276,7 +293,7 @@ static void ehci_fsl_usb_setup(struct ehci_hcd *ehci)
if ((pdata->operating_mode == FSL_USB2_DR_HOST) ||
(pdata->operating_mode == FSL_USB2_DR_OTG))
- ehci_fsl_setup_phy(ehci, pdata->phy_mode, 0);
+ ehci_fsl_setup_phy(hcd, pdata->phy_mode, 0);
if (pdata->operating_mode == FSL_USB2_MPH_HOST) {
unsigned int chip, rev, svr;
@@ -290,9 +307,9 @@ static void ehci_fsl_usb_setup(struct ehci_hcd *ehci)
ehci->has_fsl_port_bug = 1;
if (pdata->port_enables & FSL_USB2_PORT0_ENABLED)
- ehci_fsl_setup_phy(ehci, pdata->phy_mode, 0);
+ ehci_fsl_setup_phy(hcd, pdata->phy_mode, 0);
if (pdata->port_enables & FSL_USB2_PORT1_ENABLED)
- ehci_fsl_setup_phy(ehci, pdata->phy_mode, 1);
+ ehci_fsl_setup_phy(hcd, pdata->phy_mode, 1);
}
if (pdata->have_sysif_regs) {
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