From: Sascha Hauer <s.hauer@pengutronix.de>
To: Alexander Shiyan <shc_work@mail.ru>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH] GPIO: i.MX: Implement get_direction()
Date: Tue, 8 Apr 2014 08:11:11 +0200 [thread overview]
Message-ID: <20140408061111.GU27055@pengutronix.de> (raw)
In-Reply-To: <1396880259-26502-1-git-send-email-shc_work@mail.ru>
On Mon, Apr 07, 2014 at 06:17:39PM +0400, Alexander Shiyan wrote:
> Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Applied, thanks
Sascha
> ---
> drivers/gpio/gpio-imx.c | 10 ++++++++++
> 1 file changed, 10 insertions(+)
>
> diff --git a/drivers/gpio/gpio-imx.c b/drivers/gpio/gpio-imx.c
> index a71492a..d32638c 100644
> --- a/drivers/gpio/gpio-imx.c
> +++ b/drivers/gpio/gpio-imx.c
> @@ -113,11 +113,21 @@ static int imx_gpio_get_value(struct gpio_chip *chip, unsigned gpio)
> return val & (1 << gpio) ? 1 : 0;
> }
>
> +static int imx_get_direction(struct gpio_chip *chip, unsigned offset)
> +{
> + struct imx_gpio_chip *imxgpio = container_of(chip, struct imx_gpio_chip, chip);
> + void __iomem *base = imxgpio->base;
> + u32 val = readl(base + imxgpio->regs->gdir);
> +
> + return (val & (1 << offset)) ? GPIOF_DIR_OUT : GPIOF_DIR_IN;
> +}
> +
> static struct gpio_ops imx_gpio_ops = {
> .direction_input = imx_gpio_direction_input,
> .direction_output = imx_gpio_direction_output,
> .get = imx_gpio_get_value,
> .set = imx_gpio_set_value,
> + .get_direction = imx_get_direction,
> };
>
> static int imx_gpio_probe(struct device_d *dev)
> --
> 1.8.3.2
>
>
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prev parent reply other threads:[~2014-04-08 6:11 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-07 14:17 Alexander Shiyan
2014-04-08 6:11 ` Sascha Hauer [this message]
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