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[v4--to=ulrich.hecht+renesas@gmail.com,5/5] drm: mediatek: Omit warning on probe defers

Message ID 20180717215951.378-6-matthias.bgg@kernel.org (mailing list archive)
State New, archived
Headers show

Commit Message

Matthias Brugger July 17, 2018, 9:59 p.m. UTC 
From: Matthias Brugger <mbrugger@suse.com>

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@suse.com>
Acked-by: CK Hu <ck.hu@mediatek.com>
---
 drivers/gpu/drm/mediatek/mtk_drm_ddp.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
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Patch

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);
 	}