Message ID | 20240229-anx7625-defer-log-no-dsi-host-v2-3-00506941049a@collabora.com |
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State | New |
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charset="utf-8" Content-Transfer-Encoding: 8bit Message-Id: <20240229-anx7625-defer-log-no-dsi-host-v2-3-00506941049a@collabora.com> References: <20240229-anx7625-defer-log-no-dsi-host-v2-0-00506941049a@collabora.com> In-Reply-To: <20240229-anx7625-defer-log-no-dsi-host-v2-0-00506941049a@collabora.com> To: Andrzej Hajda <andrzej.hajda@intel.com>, Neil Armstrong <neil.armstrong@linaro.org>, Robert Foss <rfoss@kernel.org>, Laurent Pinchart <Laurent.pinchart@ideasonboard.com>, Jonas Karlman <jonas@kwiboo.se>, Jernej Skrabec <jernej.skrabec@gmail.com>, Maarten Lankhorst <maarten.lankhorst@linux.intel.com>, Maxime Ripard <mripard@kernel.org>, Thomas Zimmermann <tzimmermann@suse.de>, David Airlie <airlied@gmail.com>, Daniel Vetter <daniel@ffwll.ch>, owen <qwt9588@gmail.com>, Jagan Teki <jagan@amarulasolutions.com>, Marek Vasut <marex@denx.de>, Adrien Grassein <adrien.grassein@gmail.com>, Srinivas Kandagatla <srinivas.kandagatla@linaro.org>, Sam Ravnborg <sam@ravnborg.org>, Bjorn Andersson <andersson@kernel.org>, Vinod Koul <vkoul@kernel.org>, Dmitry Baryshkov <dmitry.baryshkov@linaro.org>, Vinay Simha BN <simhavcs@gmail.com>, Christopher Vollo <chris@renewoutreach.org>, Jessica Zhang <quic_jesszhan@quicinc.com>, Marijn Suijten <marijn.suijten@somainline.org>, AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org> Cc: kernel@collabora.com, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>, =?utf-8?b?TsOtY29sYXMgRi4gUi4gQS4gUHJhZG8=?= <nfraprado@collabora.com> X-Mailer: b4 0.13.0 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1792280641850826773 X-GMAIL-MSGID: 1792280641850826773 |
Series |
drm: Switch from dev_err to dev_err_probe for missing DSI host error path
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Commit Message
NĂcolas F. R. A. Prado
March 1, 2024, 12:12 a.m. UTC
Given that failing to find a DSI host causes the driver to defer probe,
make use of dev_err_probe() to log the reason. This makes the defer
probe reason available and avoids alerting userspace about something
that is not necessarily an error.
Fixes: 30e2ae943c26 ("drm/bridge: Introduce LT8912B DSI to HDMI bridge")
Suggested-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: NĂcolas F. R. A. Prado <nfraprado@collabora.com>
---
drivers/gpu/drm/bridge/lontium-lt8912b.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/bridge/lontium-lt8912b.c b/drivers/gpu/drm/bridge/lontium-lt8912b.c index 273157428c82..15aa890c3e6d 100644 --- a/drivers/gpu/drm/bridge/lontium-lt8912b.c +++ b/drivers/gpu/drm/bridge/lontium-lt8912b.c @@ -496,10 +496,8 @@ static int lt8912_attach_dsi(struct lt8912 *lt) }; host = of_find_mipi_dsi_host_by_node(lt->host_node); - if (!host) { - dev_err(dev, "failed to find dsi host\n"); - return -EPROBE_DEFER; - } + if (!host) + return dev_err_probe(dev, -EPROBE_DEFER, "failed to find dsi host\n"); dsi = devm_mipi_dsi_device_register_full(dev, host, &info); if (IS_ERR(dsi)) {