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authorJoel Stanley <joel@jms.id.au>2016-11-21 02:38:38 +0300
committerJoel Stanley <joel@jms.id.au>2016-11-21 02:38:47 +0300
commitc55cf1296a0429d91b940a49a59977617a4e4cb3 (patch)
tree11d7ae008a0ad5bfe4110966b6df7c44cff723fd /drivers/pinctrl/intel/pinctrl-cherryview.c
parent5509e6ee766f6b910c3b81c02bae291fc1d9a806 (diff)
parent86429bd405de5741df4127096deae0b1d90b68f1 (diff)
downloadlinux-dev-4.4.tar.xz
Merge tag 'v4.4.33' into dev-4.4openbmc-4.4-20161121-1dev-4.4
This is the 4.4.33 stable release Signed-off-by: Joel Stanley <joel@jms.id.au>
Diffstat (limited to 'drivers/pinctrl/intel/pinctrl-cherryview.c')
-rw-r--r--drivers/pinctrl/intel/pinctrl-cherryview.c17
1 files changed, 14 insertions, 3 deletions
diff --git a/drivers/pinctrl/intel/pinctrl-cherryview.c b/drivers/pinctrl/intel/pinctrl-cherryview.c
index 4e377599d266..a009ae34c5ef 100644
--- a/drivers/pinctrl/intel/pinctrl-cherryview.c
+++ b/drivers/pinctrl/intel/pinctrl-cherryview.c
@@ -1564,12 +1564,15 @@ static int chv_pinctrl_remove(struct platform_device *pdev)
}
#ifdef CONFIG_PM_SLEEP
-static int chv_pinctrl_suspend(struct device *dev)
+static int chv_pinctrl_suspend_noirq(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct chv_pinctrl *pctrl = platform_get_drvdata(pdev);
+ unsigned long flags;
int i;
+ raw_spin_lock_irqsave(&chv_lock, flags);
+
pctrl->saved_intmask = readl(pctrl->regs + CHV_INTMASK);
for (i = 0; i < pctrl->community->npins; i++) {
@@ -1590,15 +1593,20 @@ static int chv_pinctrl_suspend(struct device *dev)
ctx->padctrl1 = readl(reg);
}
+ raw_spin_unlock_irqrestore(&chv_lock, flags);
+
return 0;
}
-static int chv_pinctrl_resume(struct device *dev)
+static int chv_pinctrl_resume_noirq(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct chv_pinctrl *pctrl = platform_get_drvdata(pdev);
+ unsigned long flags;
int i;
+ raw_spin_lock_irqsave(&chv_lock, flags);
+
/*
* Mask all interrupts before restoring per-pin configuration
* registers because we don't know in which state BIOS left them
@@ -1643,12 +1651,15 @@ static int chv_pinctrl_resume(struct device *dev)
chv_writel(0xffff, pctrl->regs + CHV_INTSTAT);
chv_writel(pctrl->saved_intmask, pctrl->regs + CHV_INTMASK);
+ raw_spin_unlock_irqrestore(&chv_lock, flags);
+
return 0;
}
#endif
static const struct dev_pm_ops chv_pinctrl_pm_ops = {
- SET_LATE_SYSTEM_SLEEP_PM_OPS(chv_pinctrl_suspend, chv_pinctrl_resume)
+ SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(chv_pinctrl_suspend_noirq,
+ chv_pinctrl_resume_noirq)
};
static const struct acpi_device_id chv_pinctrl_acpi_match[] = {