Let's switch to the new devm MIPI-DSI function to register and attach our secondary device.
Acked-by: Sam Ravnborg sam@ravnborg.org Signed-off-by: Maxime Ripard maxime@cerno.tech --- drivers/gpu/drm/bridge/lontium-lt9611uxc.c | 38 +++++----------------- 1 file changed, 8 insertions(+), 30 deletions(-)
diff --git a/drivers/gpu/drm/bridge/lontium-lt9611uxc.c b/drivers/gpu/drm/bridge/lontium-lt9611uxc.c index 010657ea7af7..ab1a0c00aad8 100644 --- a/drivers/gpu/drm/bridge/lontium-lt9611uxc.c +++ b/drivers/gpu/drm/bridge/lontium-lt9611uxc.c @@ -258,17 +258,18 @@ static struct mipi_dsi_device *lt9611uxc_attach_dsi(struct lt9611uxc *lt9611uxc, const struct mipi_dsi_device_info info = { "lt9611uxc", 0, NULL }; struct mipi_dsi_device *dsi; struct mipi_dsi_host *host; + struct device *dev = lt9611uxc->dev; int ret;
host = of_find_mipi_dsi_host_by_node(dsi_node); if (!host) { - dev_err(lt9611uxc->dev, "failed to find dsi host\n"); + dev_err(dev, "failed to find dsi host\n"); return ERR_PTR(-EPROBE_DEFER); }
- dsi = mipi_dsi_device_register_full(host, &info); + dsi = devm_mipi_dsi_device_register_full(dev, host, &info); if (IS_ERR(dsi)) { - dev_err(lt9611uxc->dev, "failed to create dsi device\n"); + dev_err(dev, "failed to create dsi device\n"); return dsi; }
@@ -277,10 +278,9 @@ static struct mipi_dsi_device *lt9611uxc_attach_dsi(struct lt9611uxc *lt9611uxc, dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE | MIPI_DSI_MODE_VIDEO_HSE;
- ret = mipi_dsi_attach(dsi); + ret = devm_mipi_dsi_attach(dev, dsi); if (ret < 0) { - dev_err(lt9611uxc->dev, "failed to attach dsi to host\n"); - mipi_dsi_device_unregister(dsi); + dev_err(dev, "failed to attach dsi to host\n"); return ERR_PTR(ret); }
@@ -355,19 +355,6 @@ static int lt9611uxc_connector_init(struct drm_bridge *bridge, struct lt9611uxc return drm_connector_attach_encoder(<9611uxc->connector, bridge->encoder); }
-static void lt9611uxc_bridge_detach(struct drm_bridge *bridge) -{ - struct lt9611uxc *lt9611uxc = bridge_to_lt9611uxc(bridge); - - if (lt9611uxc->dsi1) { - mipi_dsi_detach(lt9611uxc->dsi1); - mipi_dsi_device_unregister(lt9611uxc->dsi1); - } - - mipi_dsi_detach(lt9611uxc->dsi0); - mipi_dsi_device_unregister(lt9611uxc->dsi0); -} - static int lt9611uxc_bridge_attach(struct drm_bridge *bridge, enum drm_bridge_attach_flags flags) { @@ -388,19 +375,11 @@ static int lt9611uxc_bridge_attach(struct drm_bridge *bridge, /* Attach secondary DSI, if specified */ if (lt9611uxc->dsi1_node) { lt9611uxc->dsi1 = lt9611uxc_attach_dsi(lt9611uxc, lt9611uxc->dsi1_node); - if (IS_ERR(lt9611uxc->dsi1)) { - ret = PTR_ERR(lt9611uxc->dsi1); - goto err_unregister_dsi0; - } + if (IS_ERR(lt9611uxc->dsi1)) + return PTR_ERR(lt9611uxc->dsi1); }
return 0; - -err_unregister_dsi0: - mipi_dsi_detach(lt9611uxc->dsi0); - mipi_dsi_device_unregister(lt9611uxc->dsi0); - - return ret; }
static enum drm_mode_status @@ -544,7 +523,6 @@ static struct edid *lt9611uxc_bridge_get_edid(struct drm_bridge *bridge,
static const struct drm_bridge_funcs lt9611uxc_bridge_funcs = { .attach = lt9611uxc_bridge_attach, - .detach = lt9611uxc_bridge_detach, .mode_valid = lt9611uxc_bridge_mode_valid, .mode_set = lt9611uxc_bridge_mode_set, .detect = lt9611uxc_bridge_detect,