[PATCH v3 1/1] drm: lcdif: Use dev_err_probe()

[Alexander Stein]

Use dev_err_probe() to add a reason for deferred probe. This can
especially happen on lcdif3 which uses hdmi_tx_phy for 'pix' clock

Reviewed-by: Liu Ying <victor.liu@xxxxxxx>
Reviewed-by: Marco Felsch <m.felsch@xxxxxxxxxxxxxx>
Reviewed-by: Frank Li <Frank.Li@xxxxxxx>
Signed-off-by: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxx>
---
Changes in v3:
* Collected Frank's R-b

 drivers/gpu/drm/mxsfb/lcdif_drv.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/mxsfb/lcdif_drv.c b/drivers/gpu/drm/mxsfb/lcdif_drv.c
index fcb2a7517377e..47da1d9336b90 100644
--- a/drivers/gpu/drm/mxsfb/lcdif_drv.c
+++ b/drivers/gpu/drm/mxsfb/lcdif_drv.c
@@ -149,15 +149,17 @@ static int lcdif_load(struct drm_device *drm)
 
 	lcdif->clk = devm_clk_get(drm->dev, "pix");
 	if (IS_ERR(lcdif->clk))
-		return PTR_ERR(lcdif->clk);
+		return dev_err_probe(drm->dev, PTR_ERR(lcdif->clk), "Failed to get pix clock\n");
 
 	lcdif->clk_axi = devm_clk_get(drm->dev, "axi");
 	if (IS_ERR(lcdif->clk_axi))
-		return PTR_ERR(lcdif->clk_axi);
+		return dev_err_probe(drm->dev, PTR_ERR(lcdif->clk_axi),
+				     "Failed to get axi clock\n");
 
 	lcdif->clk_disp_axi = devm_clk_get(drm->dev, "disp_axi");
 	if (IS_ERR(lcdif->clk_disp_axi))
-		return PTR_ERR(lcdif->clk_disp_axi);
+		return dev_err_probe(drm->dev, PTR_ERR(lcdif->clk_disp_axi),
+				     "Failed to get disp_axi clock\n");
 
 	platform_set_drvdata(pdev, drm);
 
-- 
2.43.0