From: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxx> [ Upstream commit f47d6140b7a4c858d82d263e7577ff6fb5279a9c ] DSI device registering and attaching needs to be undone upon deregistration. This fixes module unload/load. Fixes: bbfd3190b656 ("drm/bridge: tc358767: Add DSI-to-DPI mode support") Signed-off-by: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxx> Reviewed-by: Robert Foss <rfoss@xxxxxxxxxx> Signed-off-by: Robert Foss <rfoss@xxxxxxxxxx> Link: https://patchwork.freedesktop.org/patch/msgid/20230517122107.1766673-1-alexander.stein@xxxxxxxxxxxxxxx Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/gpu/drm/bridge/tc358767.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c index 91f7cb56a654d..d6349af4f1b62 100644 --- a/drivers/gpu/drm/bridge/tc358767.c +++ b/drivers/gpu/drm/bridge/tc358767.c @@ -1890,7 +1890,7 @@ static int tc_mipi_dsi_host_attach(struct tc_data *tc) if (dsi_lanes < 0) return dsi_lanes; - dsi = mipi_dsi_device_register_full(host, &info); + dsi = devm_mipi_dsi_device_register_full(dev, host, &info); if (IS_ERR(dsi)) return dev_err_probe(dev, PTR_ERR(dsi), "failed to create dsi device\n"); @@ -1901,7 +1901,7 @@ static int tc_mipi_dsi_host_attach(struct tc_data *tc) dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST | MIPI_DSI_MODE_LPM | MIPI_DSI_CLOCK_NON_CONTINUOUS; - ret = mipi_dsi_attach(dsi); + ret = devm_mipi_dsi_attach(dev, dsi); if (ret < 0) { dev_err(dev, "failed to attach dsi to host: %d\n", ret); return ret; -- 2.39.2