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| author | Olof Johansson <olof@lixom.net> | 2013-11-15 15:17:59 -0800 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2013-11-15 15:17:59 -0800 |
| commit | 6886059f2ef5d62c73e87a905e84fa4f87d56074 (patch) | |
| tree | dfe6e1611d7c50057df52db7b55eafbfb8e33a93 /drivers/gpio/gpio-tegra.c | |
| parent | ca439c9b983ffa14e9eae6030e3ee80ad039388f (diff) | |
| parent | 26273e02a0cf18eb72416559310d3294390a9024 (diff) | |
Merge tag 'omap-for-v3.13/fixes-for-merge-window-take2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
Few clock fixes, a runtime PM fix, and pinctrl-single fix along
with few other fixes that popped up during the merge window.
* tag 'omap-for-v3.13/fixes-for-merge-window-take2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP2+: Fix build for dra7xx without omap4 and 5
ARM: OMAP2+: omap_device: maintain sane runtime pm status around suspend/resume
doc: devicetree: Add bindings documentation for omap-des driver
ARM: dts: doc: Document missing compatible property for omap-sham driver
ARM: OMAP3: Beagle: fix return value check in beagle_opp_init()
ARM: OMAP: devicetree: fix SPI node compatible property syntax items
pinctrl: single: call pcs_soc->rearm() whenever IRQ mask is changed
ARM: OMAP2+: smsc911x: fix return value check in gpmc_smsc911x_init()
+ sync with newer trunk
Diffstat (limited to 'drivers/gpio/gpio-tegra.c')
| -rw-r--r-- | drivers/gpio/gpio-tegra.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/gpio/gpio-tegra.c b/drivers/gpio/gpio-tegra.c index 9a62672f1bed..cfd3b9037bc7 100644 --- a/drivers/gpio/gpio-tegra.c +++ b/drivers/gpio/gpio-tegra.c @@ -75,6 +75,7 @@ struct tegra_gpio_bank { #endif }; +static struct device *dev; static struct irq_domain *irq_domain; static void __iomem *regs; static u32 tegra_gpio_bank_count; @@ -205,6 +206,7 @@ static int tegra_gpio_irq_set_type(struct irq_data *d, unsigned int type) int lvl_type; int val; unsigned long flags; + int ret; switch (type & IRQ_TYPE_SENSE_MASK) { case IRQ_TYPE_EDGE_RISING: @@ -231,6 +233,12 @@ static int tegra_gpio_irq_set_type(struct irq_data *d, unsigned int type) return -EINVAL; } + ret = gpio_lock_as_irq(&tegra_gpio_chip, gpio); + if (ret) { + dev_err(dev, "unable to lock Tegra GPIO %d as IRQ\n", gpio); + return ret; + } + spin_lock_irqsave(&bank->lvl_lock[port], flags); val = tegra_gpio_readl(GPIO_INT_LVL(gpio)); @@ -251,6 +259,13 @@ static int tegra_gpio_irq_set_type(struct irq_data *d, unsigned int type) return 0; } +static void tegra_gpio_irq_shutdown(struct irq_data *d) +{ + int gpio = d->hwirq; + + gpio_unlock_as_irq(&tegra_gpio_chip, gpio); +} + static void tegra_gpio_irq_handler(unsigned int irq, struct irq_desc *desc) { struct tegra_gpio_bank *bank; @@ -368,6 +383,7 @@ static struct irq_chip tegra_gpio_irq_chip = { .irq_mask = tegra_gpio_irq_mask, .irq_unmask = tegra_gpio_irq_unmask, .irq_set_type = tegra_gpio_irq_set_type, + .irq_shutdown = tegra_gpio_irq_shutdown, #ifdef CONFIG_PM_SLEEP .irq_set_wake = tegra_gpio_irq_set_wake, #endif @@ -413,6 +429,8 @@ static int tegra_gpio_probe(struct platform_device *pdev) int i; int j; + dev = &pdev->dev; + match = of_match_device(tegra_gpio_of_match, &pdev->dev); if (!match) { dev_err(&pdev->dev, "Error: No device match found\n"); |