Thread (15 messages) 15 messages, 5 authors, 2018-10-12
STALE2817d REVIEWED: 1 (0M)
Revisions (5)
  1. v4 current
  2. v5 [diff vs current]
  3. v6 [diff vs current]
  4. v6 [diff vs current]
  5. v7 [diff vs current]

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

From: matthias.bgg@kernel.org (matthias.bgg at kernel.org)
Date: 2018-07-17 22:04:08
Also in: dri-devel, linux-clk, linux-mediatek, lkml
Subsystem: drm drivers, drm drivers for mediatek, the rest · Maintainers: David Airlie, Simona Vetter, Chun-Kuang Hu, Philipp Zabel, Linus Torvalds

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 <redacted>
---
 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
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