linux-kernel - [PATCH] media: platform: stm32: don't print an error on probe deferral

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Message-ID: <1579602169-7484-1-git-send-email-yannick.fertre@st.com>
Date:   Tue, 21 Jan 2020 11:22:49 +0100
From:   Yannick Fertre <yannick.fertre@...com>
To:     Mauro Carvalho Chehab <mchehab@...nel.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        Yannick Fertre <yannick.fertre@...com>,
        Etienne Carriere <etienne.carriere@...com>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        Benjamin Gaignard <benjamin.gaignard@...aro.org>,
        <linux-media@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        Philippe Cornu <philippe.cornu@...com>
Subject: [PATCH] media: platform: stm32: don't print an error on probe deferral

From: Etienne Carriere <etienne.carriere@...com>

Change stm32-cec driver to not print an error message when the
device probe operation is deferred.

Signed-off-by: Etienne Carriere <etienne.carriere@...com>
---
 drivers/media/platform/stm32/stm32-cec.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/media/platform/stm32/stm32-cec.c b/drivers/media/platform/stm32/stm32-cec.c
index 8a86b2c..9c137f1 100644
--- a/drivers/media/platform/stm32/stm32-cec.c
+++ b/drivers/media/platform/stm32/stm32-cec.c
@@ -291,7 +291,9 @@ static int stm32_cec_probe(struct platform_device *pdev)
 
 	cec->clk_cec = devm_clk_get(&pdev->dev, "cec");
 	if (IS_ERR(cec->clk_cec)) {
-		dev_err(&pdev->dev, "Cannot get cec clock\n");
+		if (PTR_ERR(cec->clk_cec) != -EPROBE_DEFER)
+			dev_err(&pdev->dev, "Cannot get cec clock\n");
+
 		return PTR_ERR(cec->clk_cec);
 	}
 
-- 
2.7.4