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authorLinus Torvalds <torvalds@linux-foundation.org>2013-05-02 20:31:45 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2013-05-02 20:31:45 +0400
commit97b1007a2924aaa9126398623f6755a8c3c6a616 (patch)
treeb65c6edb631256e64bb3c72f083fa1be048de097 /drivers/gpio
parentdfab34aa61a0f8c14a67d7b4c1dae28e57ba592d (diff)
parente0d20b69d3fa74a21ec363989612bddd58b930b8 (diff)
downloadlinux-97b1007a2924aaa9126398623f6755a8c3c6a616.tar.xz
Merge tag 'soc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC platform updates from Olof Johansson: "This branch contains part 1 of the platform updates for 3.10. Among the highlights: - Support for the new Atmel Cortex-A5 based platforms (SAMA5D3) - New support for CSR SiRFatlas6 SoCs - A handful of updates for NVidia T114 (a.k.a. Tegra 4) - A bunch of updates for the shmobile platforms - A handful of updates for davinci - A few updates for Qualcomm MSM - Plus a handful of other patches, defconfig updates, etc." * tag 'soc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (135 commits) ARM: tegra: pm: fix build error w/o PM_SLEEP ARM: davinci: ensure global variables are declared ARM: davinci: sram.c: fix incorrect type in assignment ARM: davinci: da8xx dt: make file local symbols static ARM: davinci: da8xx: add remoteproc support ARM: socfpga: Upgrade clk driver for socfpga to make use of dts clock entries ARM: socfpga: Add clock entries into device tree ARM: socfpga: Enable soft reset ARM: EXYNOS: replace cpumask by the corresponding macro ARM: EXYNOS: handle properly the return values ARM: EXYNOS: factor out the idle states ARM: OMAP4: Enable fix for Cortex-A9 erratas ARM: OMAP2+: Export SoC information to userspace ARM: OMAP2+: SoC name and revision unification ARM: OMAP2+: Move common part of late init into common function ARM: tegra: pm: remove duplicated include from pm.c ARM: davinci: da850: override mmc DT node device name ARM: davinci: da850: add mmc DT entries mmc: davinci_mmc: add DT support ARM: SAMSUNG: check processor type before cache restoration in resume ...
Diffstat (limited to 'drivers/gpio')
-rw-r--r--drivers/gpio/gpio-tegra.c21
1 files changed, 19 insertions, 2 deletions
diff --git a/drivers/gpio/gpio-tegra.c b/drivers/gpio/gpio-tegra.c
index 8e2155548888..dde0656ea951 100644
--- a/drivers/gpio/gpio-tegra.c
+++ b/drivers/gpio/gpio-tegra.c
@@ -71,6 +71,7 @@ struct tegra_gpio_bank {
u32 oe[4];
u32 int_enb[4];
u32 int_lvl[4];
+ u32 wake_enb[4];
#endif
};
@@ -332,15 +333,31 @@ static int tegra_gpio_suspend(struct device *dev)
bank->oe[p] = tegra_gpio_readl(GPIO_OE(gpio));
bank->int_enb[p] = tegra_gpio_readl(GPIO_INT_ENB(gpio));
bank->int_lvl[p] = tegra_gpio_readl(GPIO_INT_LVL(gpio));
+
+ /* Enable gpio irq for wake up source */
+ tegra_gpio_writel(bank->wake_enb[p],
+ GPIO_INT_ENB(gpio));
}
}
local_irq_restore(flags);
return 0;
}
-static int tegra_gpio_wake_enable(struct irq_data *d, unsigned int enable)
+static int tegra_gpio_irq_set_wake(struct irq_data *d, unsigned int enable)
{
struct tegra_gpio_bank *bank = irq_data_get_irq_chip_data(d);
+ int gpio = d->hwirq;
+ u32 port, bit, mask;
+
+ port = GPIO_PORT(gpio);
+ bit = GPIO_BIT(gpio);
+ mask = BIT(bit);
+
+ if (enable)
+ bank->wake_enb[port] |= mask;
+ else
+ bank->wake_enb[port] &= ~mask;
+
return irq_set_irq_wake(bank->irq, enable);
}
#endif
@@ -352,7 +369,7 @@ static struct irq_chip tegra_gpio_irq_chip = {
.irq_unmask = tegra_gpio_irq_unmask,
.irq_set_type = tegra_gpio_irq_set_type,
#ifdef CONFIG_PM_SLEEP
- .irq_set_wake = tegra_gpio_wake_enable,
+ .irq_set_wake = tegra_gpio_irq_set_wake,
#endif
};