On 10/23/2014 10:16 AM, Alexandre Courbot wrote:
> Add the new flags argument to calls of (devm_)gpiod_get*() and
> remove any direction setting code afterwards.
>
> Currently both forms (with or without the flags argument)
> are valid thanks to transitional macros in
> <linux/gpio/consumer.h>. These macros will be removed once
> all consumers are updated and the flags argument will become
> compulsary.
>
> Signed-off-by: Alexandre Courbot <acourbot@xxxxxxxxxx>
It needs patch "gpio: Fix gpio direction flags not getting set" to work
correctly. It is not yet present in drm-next. Beside this:
Acked-by: Andrzej Hajda <a.hajda@xxxxxxxxxxx>
--
Regards
Andrzej
> ---
> drivers/gpu/drm/panel/panel-ld9040.c | 7 +------
> 1 file changed, 1 insertion(+), 6 deletions(-)
>
> diff --git a/drivers/gpu/drm/panel/panel-ld9040.c b/drivers/gpu/drm/panel/panel-ld9040.c
> index 42ac67b21e9f..dd1d3f2e624e 100644
> --- a/drivers/gpu/drm/panel/panel-ld9040.c
> +++ b/drivers/gpu/drm/panel/panel-ld9040.c
> @@ -336,17 +336,12 @@ static int ld9040_probe(struct spi_device *spi)
> if (ret < 0)
> return ret;
>
> - ctx->reset_gpio = devm_gpiod_get(dev, "reset");
> + ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);
> if (IS_ERR(ctx->reset_gpio)) {
> dev_err(dev, "cannot get reset-gpios %ld\n",
> PTR_ERR(ctx->reset_gpio));
> return PTR_ERR(ctx->reset_gpio);
> }
> - ret = gpiod_direction_output(ctx->reset_gpio, 1);
> - if (ret < 0) {
> - dev_err(dev, "cannot configure reset-gpios %d\n", ret);
> - return ret;
> - }
>
> spi->bits_per_word = 9;
> ret = spi_setup(spi);
>
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