Re: [PATCH] cs5535-gpio: change input/output enable to match gpiolib expectations
From: Ben Gardner
Date: Sat Feb 27 2010 - 13:40:41 EST
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@xxxxxxxxx> 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@xxxxxxxxx>
> CC: Andres Salomon <dilinger@xxxxxxxxxxxxxxx>
> CC: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> CC: David Brownell <dbrownell@xxxxxxxxxxxxxxxxxxxxx>
> CC: Jani Nikula <ext-jani.1.nikula@xxxxxxxxx>
> ---
> 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
>
>
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