Hi Tomasz,
On 04/14/2014 07:07 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 e1a2e88..300c2af 100644
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
@@ -2011,23 +2011,18 @@ 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_flags(np, "hpd-gpio", 0, NULL);
This is same with
pd->hpd_gpio = of_get_named_gpio(np, "hpd-gpio", 0);
+ if (pd->hpd_gpio < 0) {
How about use 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[] = {
Thanks.
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