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Two fixes to the pinctrl subsystem for v3.10: 

- A quite apparent mutex fix in an untested codepath
 - A compile warning fix in the plgpio driver
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Merge tag 'pinctrl-fixes-v3.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pinctrl fixes from Linus Walleij:
 "Two fixes to the pinctrl subsystem for v3.10:
   - A quite apparent mutex fix in an untested codepath
   - A compile warning fix in the plgpio driver"

* tag 'pinctrl-fixes-v3.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
  pinctrl: fix mutex deadlock in get_pinctrl_dev_from_of_node()
  pinctrl: plgpio: add CONFIG_PM_SLEEP to suspend/resume functions
This commit is contained in:
Linus Torvalds 2013-05-02 14:42:46 -07:00
parent 99bece775f d463f82d22
commit fbe8ed634d
2 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/pinctrl/core.c
View File

@ -129,7 +129,7 @@ struct pinctrl_dev *get_pinctrl_dev_from_of_node(struct device_node *np)
return pctldev;
}
mutex_lock(&pinctrldev_list_mutex);
mutex_unlock(&pinctrldev_list_mutex);
return NULL;
}

6
drivers/pinctrl/spear/pinctrl-plgpio.c
View File

@ -75,7 +75,7 @@ struct plgpio {
int (*o2p)(int offset); /* offset_to_pin */
u32 p2o_regs;
struct plgpio_regs regs;
#ifdef CONFIG_PM
#ifdef CONFIG_PM_SLEEP
struct plgpio_regs *csave_regs;
#endif
};
@ -554,7 +554,7 @@ static int plgpio_probe(struct platform_device *pdev)
if (IS_ERR(plgpio->clk))
dev_warn(&pdev->dev, "clk_get() failed, work without it\n");
#ifdef CONFIG_PM
#ifdef CONFIG_PM_SLEEP
plgpio->csave_regs = devm_kzalloc(&pdev->dev,
sizeof(*plgpio->csave_regs) *
DIV_ROUND_UP(plgpio->chip.ngpio, MAX_GPIO_PER_REG),
@ -641,7 +641,7 @@ static int plgpio_probe(struct platform_device *pdev)
return ret;
}
#ifdef CONFIG_PM
#ifdef CONFIG_PM_SLEEP
static int plgpio_suspend(struct device *dev)
{
struct plgpio *plgpio = dev_get_drvdata(dev);