linux-kernel - [PATCH 4.14 087/185] media: fdp1: Reduce FCP not found message level to debug

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Message-Id: <20191003154457.897681855@linuxfoundation.org>
Date:   Thu,  3 Oct 2019 17:52:45 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Kieran Bingham <kieran.bingham+renesas@...asonboard.com>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        Mauro Carvalho Chehab <mchehab+samsung@...nel.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.14 087/185] media: fdp1: Reduce FCP not found message level to debug

From: Geert Uytterhoeven <geert+renesas@...der.be>

[ Upstream commit 4fd22938569c14f6092c05880ca387409d78355f ]

When support for the IPMMU is not enabled, the FDP driver may be
probe-deferred multiple times, causing several messages to be printed
like:

    rcar_fdp1 fe940000.fdp1: FCP not found (-517)
    rcar_fdp1 fe944000.fdp1: FCP not found (-517)

Fix this by reducing the message level to debug level, as is done in the
VSP1 driver.

Fixes: 4710b752e029f3f8 ("[media] v4l: Add Renesas R-Car FDP1 Driver")
Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@...asonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@...all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/media/platform/rcar_fdp1.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/platform/rcar_fdp1.c b/drivers/media/platform/rcar_fdp1.c
index a889332d5d309..d8d406c79cfa1 100644
--- a/drivers/media/platform/rcar_fdp1.c
+++ b/drivers/media/platform/rcar_fdp1.c
@@ -2310,7 +2310,7 @@ static int fdp1_probe(struct platform_device *pdev)
 		fdp1->fcp = rcar_fcp_get(fcp_node);
 		of_node_put(fcp_node);
 		if (IS_ERR(fdp1->fcp)) {
-			dev_err(&pdev->dev, "FCP not found (%ld)\n",
+			dev_dbg(&pdev->dev, "FCP not found (%ld)\n",
 				PTR_ERR(fdp1->fcp));
 			return PTR_ERR(fdp1->fcp);
 		}
-- 
2.20.1