lkml.org 
[lkml]   [2010]   [Feb]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: [PATCH] cs5535-gpio: change input/output enable to match gpiolib expectations
From
Please ignore this patch.
It seems you have to 'commit' in git before 'format-patch'...

On Sat, Feb 27, 2010 at 12:36 PM, Ben Gardner <gardner.ben@gmail.com> wrote:
> The intent of the gpiolib set_direction_xxx functions is as follows:
> output: enable both input and output
> input: disable output, enable input
>
> Change the cs5535 driver to do that.
>
> Signed-off-by: Ben Gardner <gardner.ben@gmail.com>
> CC: Andres Salomon <dilinger@collabora.co.uk>
> CC: Andrew Morton <akpm@linux-foundation.org>
> CC: David Brownell <dbrownell@users.sourceforge.net>
> CC: Jani Nikula <ext-jani.1.nikula@nokia.com>
> ---
>  drivers/gpio/cs5535-gpio.c |    2 ++
>  1 files changed, 2 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/gpio/cs5535-gpio.c b/drivers/gpio/cs5535-gpio.c
> index 0fdbe94..59ab30e 100644
> --- a/drivers/gpio/cs5535-gpio.c
> +++ b/drivers/gpio/cs5535-gpio.c
> @@ -171,6 +171,7 @@ static int chip_direction_input(struct gpio_chip *c, unsigned offset)
>        unsigned long flags;
>
>        spin_lock_irqsave(&chip->lock, flags);
> +       __cs5535_gpio_set(chip, offset, GPIO_OUTPUT_DISABLE);
>        __cs5535_gpio_set(chip, offset, GPIO_INPUT_ENABLE);
>        spin_unlock_irqrestore(&chip->lock, flags);
>
> @@ -185,6 +186,7 @@ static int chip_direction_output(struct gpio_chip *c, unsigned offset, int val)
>        spin_lock_irqsave(&chip->lock, flags);
>
>        __cs5535_gpio_set(chip, offset, GPIO_OUTPUT_ENABLE);
> +       __cs5535_gpio_set(chip, offset, GPIO_INPUT_ENABLE);
>        if (val)
>                __cs5535_gpio_set(chip, offset, GPIO_OUTPUT_VAL);
>        else
> --
> 1.7.0
>
>
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2010-02-27 19:43    [W:0.127 / U:0.140 seconds]
©2003-2014 Jasper Spaans. Advertise on this site