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 --- drivers/gpu/drm/exynos/exynos_hdmi.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c index 2f78532..f807b13 100644 --- a/drivers/gpu/drm/exynos/exynos_hdmi.c +++ b/drivers/gpu/drm/exynos/exynos_hdmi.c @@ -1699,7 +1699,9 @@ static void hdmi_poweron(struct hdmi_context *hdata)
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_ERROR("failed to enable regulator bulk\n"); + clk_enable(res->hdmiphy); clk_enable(res->hdmi); clk_enable(res->sclk_hdmi);