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mfd: Implement tps6586x gpio_to_irq 

The TPS6586x adds the interrupt of this device using
linear mapping on irq domain.
Hence, implement gpio_to_irq to get the irq number
corresponding to TPS6586x GPIOs which is created
dynamically.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
hifive-unleashed-5.1
Laxman Dewangan 2012-11-13 19:18:07 +05:30 committed by Samuel Ortiz
parent 5b8b1fe2da
commit fe39f2f4dc
1 changed files with 9 additions and 0 deletions
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9
drivers/gpio/gpio-tps6586x.c
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@ -80,6 +80,14 @@ static int tps6586x_gpio_output(struct gpio_chip *gc, unsigned offset,
val, mask);
}
static int tps6586x_gpio_to_irq(struct gpio_chip *gc, unsigned offset)
{
struct tps6586x_gpio *tps6586x_gpio = to_tps6586x_gpio(gc);
return tps6586x_irq_get_virq(tps6586x_gpio->parent,
TPS6586X_INT_PLDO_0 + offset);
}
static int __devinit tps6586x_gpio_probe(struct platform_device *pdev)
{
struct tps6586x_platform_data *pdata;
@ -106,6 +114,7 @@ static int __devinit tps6586x_gpio_probe(struct platform_device *pdev)
tps6586x_gpio->gpio_chip.direction_output = tps6586x_gpio_output;
tps6586x_gpio->gpio_chip.set = tps6586x_gpio_set;
tps6586x_gpio->gpio_chip.get = tps6586x_gpio_get;
tps6586x_gpio->gpio_chip.to_irq = tps6586x_gpio_to_irq;
#ifdef CONFIG_OF_GPIO
tps6586x_gpio->gpio_chip.of_node = pdev->dev.parent->of_node;