diff options
Diffstat (limited to 'drivers/gpio')
| -rw-r--r-- | drivers/gpio/gpio-tegra.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/gpio/gpio-tegra.c b/drivers/gpio/gpio-tegra.c index b75ce0295ef6..94da36eadcf9 100644 --- a/drivers/gpio/gpio-tegra.c +++ b/drivers/gpio/gpio-tegra.c @@ -126,6 +126,19 @@ static void tegra_gpio_mask_write(u32 reg, int gpio, int value) __raw_writel(val, reg); } +int tegra_gpio_get_bank_int_nr(int gpio) +{ + int bank; + int irq; + if (gpio >= TEGRA_NR_GPIOS) { + pr_warn("%s : Invalid gpio ID - %d\n", __func__, gpio); + return -EINVAL; + } + bank = gpio >> 5; + irq = tegra_gpio_banks[bank].irq; + return irq; +} + void tegra_gpio_enable(int gpio) { if (gpio >= TEGRA_NR_GPIOS) { @@ -167,7 +180,8 @@ static void tegra_gpio_set(struct gpio_chip *chip, unsigned offset, int value) static int tegra_gpio_get(struct gpio_chip *chip, unsigned offset) { if ((__raw_readl(GPIO_OE(offset)) >> GPIO_BIT(offset)) & 0x1) - return (__raw_readl(GPIO_OUT(offset)) >> GPIO_BIT(offset)) & 0x1; + return (__raw_readl(GPIO_OUT(offset)) >> + GPIO_BIT(offset)) & 0x1; return (__raw_readl(GPIO_IN(offset)) >> GPIO_BIT(offset)) & 0x1; } |