drm/exynos: remove ignoring return value warning in hdmi
The definition of regulator_bulk_enable is fixed with __must_check
and this causes following build warning.
warning: ignoring return value of 'regulator_bulk_enable',
declared with attribute warn_unused_result
This patch fixes to check return value of the function.
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
index fd1426d..4dfe829 100644
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
@@ -1699,7 +1699,9 @@
mutex_unlock(&hdata->hdmi_mutex);
- regulator_bulk_enable(res->regul_count, res->regul_bulk);
+ if (regulator_bulk_enable(res->regul_count, res->regul_bulk))
+ DRM_DEBUG_KMS("failed to enable regulator bulk\n");
+
clk_enable(res->hdmiphy);
clk_enable(res->hdmi);
clk_enable(res->sclk_hdmi);