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First MFD pull request for 3.4 fixes

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Merge tag 'mfd-for-linus-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6

Pull MFD fixes from Samuel Ortiz:
 "We have 3 build fixes, a OMAP USB host PHY reset fix and the twl6040
  conversion to an i2c driver.  The latter may not sound like a fix but
  the twl6040 MFD driver won't probe without it, triggering an OMAP4
  audio regression."

* tag 'mfd-for-linus-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6:
  mfd: Fix modular builds of rc5t583 regulator support
  mfd: Fix asic3_gpio_to_irq
  ARM: OMAP3: USB: Fix the EHCI ULPI PHY reset issue
  mfd: Convert twl6040 to i2c driver, and separate it from twl core
  mfd : Fix dbx500 compilation error
This commit is contained in:
Linus Torvalds 2012-04-21 12:42:12 -07:00
commit 9f24ff6f42
20 changed files with 276 additions and 238 deletions
Download patch file Download diff file Expand all files Collapse all files

39
drivers/usb/host/ehci-omap.c
View file

@ -42,6 +42,7 @@
#include <plat/usb.h>
#include <linux/regulator/consumer.h>
#include <linux/pm_runtime.h>
#include <linux/gpio.h>
/* EHCI Register Set */
#define EHCI_INSNREG04 (0xA0)
@ -191,6 +192,19 @@ static int ehci_hcd_omap_probe(struct platform_device *pdev)
}
}
if (pdata->phy_reset) {
if (gpio_is_valid(pdata->reset_gpio_port[0]))
gpio_request_one(pdata->reset_gpio_port[0],
GPIOF_OUT_INIT_LOW, "USB1 PHY reset");
if (gpio_is_valid(pdata->reset_gpio_port[1]))
gpio_request_one(pdata->reset_gpio_port[1],
GPIOF_OUT_INIT_LOW, "USB2 PHY reset");
/* Hold the PHY in RESET for enough time till DIR is high */
udelay(10);
}
pm_runtime_enable(dev);
pm_runtime_get_sync(dev);
@ -237,6 +251,19 @@ static int ehci_hcd_omap_probe(struct platform_device *pdev)
/* root ports should always stay powered */
ehci_port_power(omap_ehci, 1);
if (pdata->phy_reset) {
/* Hold the PHY in RESET for enough time till
* PHY is settled and ready
*/
udelay(10);
if (gpio_is_valid(pdata->reset_gpio_port[0]))
gpio_set_value(pdata->reset_gpio_port[0], 1);
if (gpio_is_valid(pdata->reset_gpio_port[1]))
gpio_set_value(pdata->reset_gpio_port[1], 1);
}
return 0;
err_add_hcd:
@ -259,8 +286,9 @@ err_io:
*/
static int ehci_hcd_omap_remove(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct usb_hcd *hcd = dev_get_drvdata(dev);
struct device *dev = &pdev->dev;
struct usb_hcd *hcd = dev_get_drvdata(dev);
struct ehci_hcd_omap_platform_data *pdata = dev->platform_data;
usb_remove_hcd(hcd);
disable_put_regulator(dev->platform_data);
@ -269,6 +297,13 @@ static int ehci_hcd_omap_remove(struct platform_device *pdev)
pm_runtime_put_sync(dev);
pm_runtime_disable(dev);
if (pdata->phy_reset) {
if (gpio_is_valid(pdata->reset_gpio_port[0]))
gpio_free(pdata->reset_gpio_port[0]);
if (gpio_is_valid(pdata->reset_gpio_port[1]))
gpio_free(pdata->reset_gpio_port[1]);
}
return 0;
}