[PATCH 2/2] drm/stm: ltdc: return appropriate error code during probe

From: Fabien Dessenne
Date: Wed Apr 24 2019 - 10:04:01 EST


During probe, return the "clk_get" error value instead of -ENODEV.

Signed-off-by: Fabien Dessenne <fabien.dessenne@xxxxxx>
---
drivers/gpu/drm/stm/ltdc.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c
index 521ba83..97912e2 100644
--- a/drivers/gpu/drm/stm/ltdc.c
+++ b/drivers/gpu/drm/stm/ltdc.c
@@ -1145,8 +1145,9 @@ int ltdc_load(struct drm_device *ddev)

ldev->pixel_clk = devm_clk_get(dev, "lcd");
if (IS_ERR(ldev->pixel_clk)) {
- DRM_ERROR("Unable to get lcd clock\n");
- return -ENODEV;
+ if (PTR_ERR(ldev->pixel_clk) != -EPROBE_DEFER)
+ DRM_ERROR("Unable to get lcd clock\n");
+ return PTR_ERR(ldev->pixel_clk);
}

if (clk_prepare_enable(ldev->pixel_clk)) {
--
2.7.4