linux-kernel - [RESEND PATCH] drm/panfrost: Reduce the amount of logs on deferred probe

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Date:   Mon,  9 Sep 2019 17:51:46 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Rob Herring <robh@...nel.org>,
        Tomeu Vizoso <tomeu.vizoso@...labora.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Cc:     Krzysztof Kozlowski <krzk@...nel.org>
Subject: [RESEND PATCH] drm/panfrost: Reduce the amount of logs on deferred probe

There is no point to print deferred probe (and its failures to get
resources) as an error.

In case of multiple probe tries this would pollute the dmesg.

Signed-off-by: Krzysztof Kozlowski <krzk@...nel.org>
---
 drivers/gpu/drm/panfrost/panfrost_device.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/panfrost/panfrost_device.c b/drivers/gpu/drm/panfrost/panfrost_device.c
index 46b0b02e4289..2252147bc285 100644
--- a/drivers/gpu/drm/panfrost/panfrost_device.c
+++ b/drivers/gpu/drm/panfrost/panfrost_device.c
@@ -95,7 +95,9 @@ static int panfrost_regulator_init(struct panfrost_device *pfdev)
 		pfdev->regulator = NULL;
 		if (ret == -ENODEV)
 			return 0;
-		dev_err(pfdev->dev, "failed to get regulator: %d\n", ret);
+		if (ret != -EPROBE_DEFER)
+			dev_err(pfdev->dev, "failed to get regulator: %d\n",
+				ret);
 		return ret;
 	}
 
-- 
2.17.1