[resend PATCH v4 5/5] drm: mediatek: Omit warning on probe defers

From: matthias . bgg
Date: Tue Jul 17 2018 - 18:04:08 EST


From: Matthias Brugger <mbrugger@xxxxxxxx>

It can happen that the clock drivers wasn't probed before the
ddp driver gets invoked. The driver used to omit a warning
that the driver failed to get the clocks. Omit this error on
the defered probe path.

Signed-off-by: Matthias Brugger <mbrugger@xxxxxxxx>
Acked-by: CK Hu <ck.hu@xxxxxxxxxxxx>
---
drivers/gpu/drm/mediatek/mtk_drm_ddp.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
index bafc5c77c4fb..6b399348a2dc 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
@@ -374,7 +374,8 @@ static int mtk_ddp_probe(struct platform_device *pdev)

ddp->clk = devm_clk_get(dev, NULL);
if (IS_ERR(ddp->clk)) {
- dev_err(dev, "Failed to get clock\n");
+ if (PTR_ERR(ddp->clk) != -EPROBE_DEFER)
+ dev_err(dev, "Failed to get clock\n");
return PTR_ERR(ddp->clk);
}

--
2.17.1