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Message-Id: <20180717220328.792-6-matthias.bgg@kernel.org>
Date: Wed, 18 Jul 2018 00:03:28 +0200
From: matthias.bgg@...nel.org
To: ulrich.hecht+renesas@...il.com, laurent.pinchart@...asonboard.com,
ck.hu@...iatek.com, p.zabel@...gutronix.de, airlied@...ux.ie,
robh+dt@...nel.org, mark.rutland@....com, mturquette@...libre.com,
sboyd@...eaurora.org, lee.jones@...aro.org
Cc: davem@...emloft.net, gregkh@...uxfoundation.org,
mchehab@...nel.org, rdunlap@...radead.org,
pi-cheng.chen@...aro.org, sean.wang@...iatek.com,
linux-clk@...r.kernel.org, linux@...linux.org.uk,
matthias.bgg@...il.com, dri-devel@...ts.freedesktop.org,
linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-mediatek@...ts.infradead.org,
Matthias Brugger <mbrugger@...e.com>
Subject: [resend PATCH v4 5/5] drm: mediatek: Omit warning on probe defers
From: Matthias Brugger <mbrugger@...e.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@...e.com>
Acked-by: CK Hu <ck.hu@...iatek.com>
---
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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