Re: [PATCH] gpiolib: Implement gpio_to_irq() for wm831x

From: Samuel Ortiz
Date: Fri Nov 20 2009 - 04:20:52 EST


Hi Mark,

On Mon, Nov 16, 2009 at 05:21:56PM +0000, Mark Brown wrote:
> Signed-off-by: Mark Brown <broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
I'm taking this one, unless David wants to do it otherwise.

Cheers,
Samuel.


> ---
> drivers/gpio/wm831x-gpio.c | 13 +++++++++++++
> 1 files changed, 13 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/gpio/wm831x-gpio.c b/drivers/gpio/wm831x-gpio.c
> index f5e4934..b4468b6 100644
> --- a/drivers/gpio/wm831x-gpio.c
> +++ b/drivers/gpio/wm831x-gpio.c
> @@ -22,6 +22,7 @@
> #include <linux/mfd/wm831x/core.h>
> #include <linux/mfd/wm831x/pdata.h>
> #include <linux/mfd/wm831x/gpio.h>
> +#include <linux/mfd/wm831x/irq.h>
>
> struct wm831x_gpio {
> struct wm831x *wm831x;
> @@ -78,6 +79,17 @@ static void wm831x_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
> value << offset);
> }
>
> +static int wm831x_gpio_to_irq(struct gpio_chip *chip, unsigned offset)
> +{
> + struct wm831x_gpio *wm831x_gpio = to_wm831x_gpio(chip);
> + struct wm831x *wm831x = wm831x_gpio->wm831x;
> +
> + if (!wm831x->irq_base)
> + return -EINVAL;
> +
> + return wm831x->irq_base + WM831X_IRQ_GPIO_1 + offset;
> +}
> +
> #ifdef CONFIG_DEBUG_FS
> static void wm831x_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip)
> {
> @@ -173,6 +185,7 @@ static struct gpio_chip template_chip = {
> .get = wm831x_gpio_get,
> .direction_output = wm831x_gpio_direction_out,
> .set = wm831x_gpio_set,
> + .to_irq = wm831x_gpio_to_irq,
> .dbg_show = wm831x_gpio_dbg_show,
> .can_sleep = 1,
> };
> --
> 1.6.5.2
>

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