diff options
| author | Arnd Bergmann <arnd@arndb.de> | 2013-04-09 19:07:36 +0400 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2013-04-09 19:07:36 +0400 |
| commit | 1194b152cd4eff475652785ce366b20afe82dfcf (patch) | |
| tree | 78da3848410f05949714b2e475d4cf92b463fb31 /drivers/gpio | |
| parent | 86feb64f5bfe75da74f4a2faf18b5e57be9cde5e (diff) | |
| parent | 38be85de698ef3f2755ee0eabf520530757860aa (diff) | |
| download | linux-1194b152cd4eff475652785ce366b20afe82dfcf.tar.xz | |
Merge branch 'tegra/soc' into next/drivers
This is a dependency for the tegra/clk branch.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Conflicts:
drivers/clocksource/tegra20_timer.c
Diffstat (limited to 'drivers/gpio')
| -rw-r--r-- | drivers/gpio/gpio-tegra.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/drivers/gpio/gpio-tegra.c b/drivers/gpio/gpio-tegra.c index 414ad912232f..e3956359202c 100644 --- a/drivers/gpio/gpio-tegra.c +++ b/drivers/gpio/gpio-tegra.c @@ -72,6 +72,7 @@ struct tegra_gpio_bank { u32 oe[4]; u32 int_enb[4]; u32 int_lvl[4]; + u32 wake_enb[4]; #endif }; @@ -333,15 +334,31 @@ 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 @@ -353,7 +370,7 @@ 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 }; |