drm/bridge: icn6211: Don't log an error when DSI host can't be found

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: 8dde6f7452a1 ("drm: bridge: icn6211: Add I2C configuration support")
Suggested-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Signed-off-by: Robert Foss <rfoss@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240415-anx7625-defer-log-no-dsi-host-v3-2-619a28148e5c@collabora.com

diff --git a/drivers/gpu/drm/bridge/chipone-icn6211.c b/drivers/gpu/drm/bridge/chipone-icn6211.c
index 82d23e4df09eb461e91021df55ac8470f25f98d2..ff3284b6b1a372af7bc591cf0f736694f8220851 100644 (file)
--- a/drivers/gpu/drm/bridge/chipone-icn6211.c
+++ b/drivers/gpu/drm/bridge/chipone-icn6211.c
@@ -563,10 +563,8 @@ static int chipone_dsi_host_attach(struct chipone *icn)
 
        host = of_find_mipi_dsi_host_by_node(host_node);
        of_node_put(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 = mipi_dsi_device_register_full(host, &info);
        if (IS_ERR(dsi)) {