On 04/14/2014 05:00 PM, Tomasz Stanislawski wrote:
> This patch eliminates redundant checks while retrieving HPD gpio from DT during
> HDMI's probe().
>
> Signed-off-by: Tomasz Stanislawski <t.stanislaws@xxxxxxxxxxx>
> ---
> drivers/gpu/drm/exynos/exynos_hdmi.c | 13 ++++---------
> 1 file changed, 4 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
> index 9a6d652..d2d6e2e 100644
> --- a/drivers/gpu/drm/exynos/exynos_hdmi.c
> +++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
> @@ -2016,23 +2016,18 @@ static struct s5p_hdmi_platform_data *drm_hdmi_dt_parse_pdata
> {
> struct device_node *np = dev->of_node;
> struct s5p_hdmi_platform_data *pd;
> - u32 value;
>
> pd = devm_kzalloc(dev, sizeof(*pd), GFP_KERNEL);
> if (!pd)
> - goto err_data;
> + return NULL;
>
> - if (!of_find_property(np, "hpd-gpio", &value)) {
> + pd->hpd_gpio = of_get_named_gpio(np, "hpd-gpio", 0);
> + if (gpio_is_valid(pd->hpd_gpio)) {
Sorry. Should be !gpio_is_valid().
> DRM_ERROR("no hpd gpio property found\n");
> - goto err_data;
> + return NULL;
> }
>
> - pd->hpd_gpio = of_get_named_gpio(np, "hpd-gpio", 0);
> -
> return pd;
> -
> -err_data:
> - return NULL;
> }
>
> static struct of_device_id hdmi_match_types[] = {
>
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