diff options
author | Bernard Zhao <bernard@vivo.com> | 2020-08-01 20:02:13 +0800 |
---|---|---|
committer | Sam Ravnborg <sam@ravnborg.org> | 2020-08-02 08:59:06 +0200 |
commit | c3ee8c65f63799b02e1fb828bac99fd5008fb565 (patch) | |
tree | 98d499bd08fe087dcd695457fb9ec22e4880912b /drivers/gpu | |
parent | 1a3fb590856a9d7e8392d970fc07791b6703de94 (diff) | |
download | linux-c3ee8c65f63799b02e1fb828bac99fd5008fb565.tar.bz2 |
drm/panel: remove return value of function drm_panel_add
The function "int drm_panel_add(struct drm_panel *panel)"
always returns 0, this return value is meaningless.
Also, there is no need to check return value which calls
"drm_panel_add and", error branch code will never run.
Signed-off-by: Bernard Zhao <bernard@vivo.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200801120216.8488-1-bernard@vivo.com
Diffstat (limited to 'drivers/gpu')
43 files changed, 81 insertions, 110 deletions
diff --git a/drivers/gpu/drm/drm_panel.c b/drivers/gpu/drm/drm_panel.c index 8c7bac85a793..b8e9abb537cf 100644 --- a/drivers/gpu/drm/drm_panel.c +++ b/drivers/gpu/drm/drm_panel.c @@ -70,16 +70,12 @@ EXPORT_SYMBOL(drm_panel_init); * * Add a panel to the global registry so that it can be looked up by display * drivers. - * - * Return: 0 on success or a negative error code on failure. */ -int drm_panel_add(struct drm_panel *panel) +void drm_panel_add(struct drm_panel *panel) { mutex_lock(&panel_lock); list_add_tail(&panel->list, &panel_list); mutex_unlock(&panel_lock); - - return 0; } EXPORT_SYMBOL(drm_panel_add); diff --git a/drivers/gpu/drm/panel/panel-arm-versatile.c b/drivers/gpu/drm/panel/panel-arm-versatile.c index 47b37fef7ee8..abb0788843c6 100644 --- a/drivers/gpu/drm/panel/panel-arm-versatile.c +++ b/drivers/gpu/drm/panel/panel-arm-versatile.c @@ -349,7 +349,9 @@ static int versatile_panel_probe(struct platform_device *pdev) drm_panel_init(&vpanel->panel, dev, &versatile_panel_drm_funcs, DRM_MODE_CONNECTOR_DPI); - return drm_panel_add(&vpanel->panel); + drm_panel_add(&vpanel->panel); + + return 0; } static const struct of_device_id versatile_panel_match[] = { diff --git a/drivers/gpu/drm/panel/panel-asus-z00t-tm5p5-n35596.c b/drivers/gpu/drm/panel/panel-asus-z00t-tm5p5-n35596.c index 9a5b7644d756..e95bc9f60b3f 100644 --- a/drivers/gpu/drm/panel/panel-asus-z00t-tm5p5-n35596.c +++ b/drivers/gpu/drm/panel/panel-asus-z00t-tm5p5-n35596.c @@ -315,11 +315,7 @@ static int tm5p5_nt35596_probe(struct mipi_dsi_device *dsi) return ret; } - ret = drm_panel_add(&ctx->panel); - if (ret < 0) { - dev_err(dev, "Failed to add panel: %d\n", ret); - return ret; - } + drm_panel_add(&ctx->panel); ret = mipi_dsi_attach(dsi); if (ret < 0) { diff --git a/drivers/gpu/drm/panel/panel-boe-himax8279d.c b/drivers/gpu/drm/panel/panel-boe-himax8279d.c index 7c27bd5e3486..d676b4c2a8fa 100644 --- a/drivers/gpu/drm/panel/panel-boe-himax8279d.c +++ b/drivers/gpu/drm/panel/panel-boe-himax8279d.c @@ -895,7 +895,9 @@ static int panel_add(struct panel_info *pinfo) if (ret) return ret; - return drm_panel_add(&pinfo->base); + drm_panel_add(&pinfo->base); + + return 0; } static int panel_probe(struct mipi_dsi_device *dsi) diff --git a/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c b/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c index db5b866357f2..3bd46600a98b 100644 --- a/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c +++ b/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c @@ -787,7 +787,9 @@ static int boe_panel_add(struct boe_panel *boe) boe->base.funcs = &boe_panel_funcs; boe->base.dev = &boe->dsi->dev; - return drm_panel_add(&boe->base); + drm_panel_add(&boe->base); + + return 0; } static int boe_panel_probe(struct mipi_dsi_device *dsi) diff --git a/drivers/gpu/drm/panel/panel-feixin-k101-im2ba02.c b/drivers/gpu/drm/panel/panel-feixin-k101-im2ba02.c index 54610651ecdb..0b7e82e5ba4e 100644 --- a/drivers/gpu/drm/panel/panel-feixin-k101-im2ba02.c +++ b/drivers/gpu/drm/panel/panel-feixin-k101-im2ba02.c @@ -477,9 +477,7 @@ static int k101_im2ba02_dsi_probe(struct mipi_dsi_device *dsi) if (ret) return ret; - ret = drm_panel_add(&ctx->panel); - if (ret < 0) - return ret; + drm_panel_add(&ctx->panel); dsi->mode_flags = MIPI_DSI_MODE_VIDEO; dsi->format = MIPI_DSI_FMT_RGB888; diff --git a/drivers/gpu/drm/panel/panel-feiyang-fy07024di26a30d.c b/drivers/gpu/drm/panel/panel-feiyang-fy07024di26a30d.c index 19a6274b10f5..f9edee69fea4 100644 --- a/drivers/gpu/drm/panel/panel-feiyang-fy07024di26a30d.c +++ b/drivers/gpu/drm/panel/panel-feiyang-fy07024di26a30d.c @@ -224,9 +224,7 @@ static int feiyang_dsi_probe(struct mipi_dsi_device *dsi) if (ret) return ret; - ret = drm_panel_add(&ctx->panel); - if (ret < 0) - return ret; + drm_panel_add(&ctx->panel); dsi->mode_flags = MIPI_DSI_MODE_VIDEO_BURST; dsi->format = MIPI_DSI_FMT_RGB888; diff --git a/drivers/gpu/drm/panel/panel-ilitek-ili9322.c b/drivers/gpu/drm/panel/panel-ilitek-ili9322.c index 67a64d1999f6..968845894725 100644 --- a/drivers/gpu/drm/panel/panel-ilitek-ili9322.c +++ b/drivers/gpu/drm/panel/panel-ilitek-ili9322.c @@ -892,7 +892,9 @@ static int ili9322_probe(struct spi_device *spi) drm_panel_init(&ili->panel, dev, &ili9322_drm_funcs, DRM_MODE_CONNECTOR_DPI); - return drm_panel_add(&ili->panel); + drm_panel_add(&ili->panel); + + return 0; } static int ili9322_remove(struct spi_device *spi) diff --git a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c index 3ed8635a6fbd..066ef6c535df 100644 --- a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c +++ b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c @@ -446,9 +446,7 @@ static int ili9881c_dsi_probe(struct mipi_dsi_device *dsi) if (ret) return ret; - ret = drm_panel_add(&ctx->panel); - if (ret < 0) - return ret; + drm_panel_add(&ctx->panel); dsi->mode_flags = MIPI_DSI_MODE_VIDEO_SYNC_PULSE; dsi->format = MIPI_DSI_FMT_RGB888; diff --git a/drivers/gpu/drm/panel/panel-innolux-p079zca.c b/drivers/gpu/drm/panel/panel-innolux-p079zca.c index fdf030f4cf92..1a8e69c64125 100644 --- a/drivers/gpu/drm/panel/panel-innolux-p079zca.c +++ b/drivers/gpu/drm/panel/panel-innolux-p079zca.c @@ -475,9 +475,7 @@ static int innolux_panel_add(struct mipi_dsi_device *dsi, if (err) return err; - err = drm_panel_add(&innolux->base); - if (err < 0) - return err; + drm_panel_add(&innolux->base); mipi_dsi_set_drvdata(dsi, innolux); innolux->link = dsi; diff --git a/drivers/gpu/drm/panel/panel-jdi-lt070me05000.c b/drivers/gpu/drm/panel/panel-jdi-lt070me05000.c index 1e3fd6633981..733010b5e4f5 100644 --- a/drivers/gpu/drm/panel/panel-jdi-lt070me05000.c +++ b/drivers/gpu/drm/panel/panel-jdi-lt070me05000.c @@ -440,9 +440,9 @@ static int jdi_panel_add(struct jdi_panel *jdi) drm_panel_init(&jdi->base, &jdi->dsi->dev, &jdi_panel_funcs, DRM_MODE_CONNECTOR_DSI); - ret = drm_panel_add(&jdi->base); + drm_panel_add(&jdi->base); - return ret; + return 0; } static void jdi_panel_del(struct jdi_panel *jdi) diff --git a/drivers/gpu/drm/panel/panel-kingdisplay-kd097d04.c b/drivers/gpu/drm/panel/panel-kingdisplay-kd097d04.c index 0d397af23afe..f42dc2ceeb07 100644 --- a/drivers/gpu/drm/panel/panel-kingdisplay-kd097d04.c +++ b/drivers/gpu/drm/panel/panel-kingdisplay-kd097d04.c @@ -382,7 +382,9 @@ static int kingdisplay_panel_add(struct kingdisplay_panel *kingdisplay) if (err) return err; - return drm_panel_add(&kingdisplay->base); + drm_panel_add(&kingdisplay->base); + + return 0; } static void kingdisplay_panel_del(struct kingdisplay_panel *kingdisplay) diff --git a/drivers/gpu/drm/panel/panel-lg-lb035q02.c b/drivers/gpu/drm/panel/panel-lg-lb035q02.c index 14456b9cd5c0..f3183b68704f 100644 --- a/drivers/gpu/drm/panel/panel-lg-lb035q02.c +++ b/drivers/gpu/drm/panel/panel-lg-lb035q02.c @@ -198,7 +198,9 @@ static int lb035q02_probe(struct spi_device *spi) drm_panel_init(&lcd->panel, &lcd->spi->dev, &lb035q02_funcs, DRM_MODE_CONNECTOR_DPI); - return drm_panel_add(&lcd->panel); + drm_panel_add(&lcd->panel); + + return 0; } static int lb035q02_remove(struct spi_device *spi) diff --git a/drivers/gpu/drm/panel/panel-lg-lg4573.c b/drivers/gpu/drm/panel/panel-lg-lg4573.c index aedc485d0727..8e5160af1de5 100644 --- a/drivers/gpu/drm/panel/panel-lg-lg4573.c +++ b/drivers/gpu/drm/panel/panel-lg-lg4573.c @@ -261,7 +261,9 @@ static int lg4573_probe(struct spi_device *spi) drm_panel_init(&ctx->panel, &spi->dev, &lg4573_drm_funcs, DRM_MODE_CONNECTOR_DPI); - return drm_panel_add(&ctx->panel); + drm_panel_add(&ctx->panel); + + return 0; } static int lg4573_remove(struct spi_device *spi) diff --git a/drivers/gpu/drm/panel/panel-lvds.c b/drivers/gpu/drm/panel/panel-lvds.c index 5ce3f4a2b7a1..41305c3dcf31 100644 --- a/drivers/gpu/drm/panel/panel-lvds.c +++ b/drivers/gpu/drm/panel/panel-lvds.c @@ -227,9 +227,7 @@ static int panel_lvds_probe(struct platform_device *pdev) if (ret) return ret; - ret = drm_panel_add(&lvds->panel); - if (ret < 0) - return ret; + drm_panel_add(&lvds->panel); dev_set_drvdata(lvds->dev, lvds); return 0; diff --git a/drivers/gpu/drm/panel/panel-nec-nl8048hl11.c b/drivers/gpu/drm/panel/panel-nec-nl8048hl11.c index f894971c1c7c..6e5ab1debc8b 100644 --- a/drivers/gpu/drm/panel/panel-nec-nl8048hl11.c +++ b/drivers/gpu/drm/panel/panel-nec-nl8048hl11.c @@ -207,7 +207,9 @@ static int nl8048_probe(struct spi_device *spi) drm_panel_init(&lcd->panel, &lcd->spi->dev, &nl8048_funcs, DRM_MODE_CONNECTOR_DPI); - return drm_panel_add(&lcd->panel); + drm_panel_add(&lcd->panel); + + return 0; } static int nl8048_remove(struct spi_device *spi) diff --git a/drivers/gpu/drm/panel/panel-novatek-nt35510.c b/drivers/gpu/drm/panel/panel-novatek-nt35510.c index e98d54df00e7..e67d0955e215 100644 --- a/drivers/gpu/drm/panel/panel-novatek-nt35510.c +++ b/drivers/gpu/drm/panel/panel-novatek-nt35510.c @@ -956,9 +956,7 @@ static int nt35510_probe(struct mipi_dsi_device *dsi) nt->panel.backlight = bl; } - ret = drm_panel_add(&nt->panel); - if (ret < 0) - return ret; + drm_panel_add(&nt->panel); ret = mipi_dsi_attach(dsi); if (ret < 0) diff --git a/drivers/gpu/drm/panel/panel-novatek-nt39016.c b/drivers/gpu/drm/panel/panel-novatek-nt39016.c index 91df050ba3f6..3d15d9925204 100644 --- a/drivers/gpu/drm/panel/panel-novatek-nt39016.c +++ b/drivers/gpu/drm/panel/panel-novatek-nt39016.c @@ -303,11 +303,7 @@ static int nt39016_probe(struct spi_device *spi) drm_panel_init(&panel->drm_panel, dev, &nt39016_funcs, DRM_MODE_CONNECTOR_DPI); - err = drm_panel_add(&panel->drm_panel); - if (err < 0) { - dev_err(dev, "Failed to register panel"); - return err; - } + drm_panel_add(&panel->drm_panel); return 0; } diff --git a/drivers/gpu/drm/panel/panel-olimex-lcd-olinuxino.c b/drivers/gpu/drm/panel/panel-olimex-lcd-olinuxino.c index ecd76b5391d3..cb5cb27462df 100644 --- a/drivers/gpu/drm/panel/panel-olimex-lcd-olinuxino.c +++ b/drivers/gpu/drm/panel/panel-olimex-lcd-olinuxino.c @@ -283,7 +283,9 @@ static int lcd_olinuxino_probe(struct i2c_client *client, if (ret) return ret; - return drm_panel_add(&lcd->panel); + drm_panel_add(&lcd->panel); + + return 0; } static int lcd_olinuxino_remove(struct i2c_client *client) diff --git a/drivers/gpu/drm/panel/panel-osd-osd101t2587-53ts.c b/drivers/gpu/drm/panel/panel-osd-osd101t2587-53ts.c index 83e5aa47f0d6..45b975dee587 100644 --- a/drivers/gpu/drm/panel/panel-osd-osd101t2587-53ts.c +++ b/drivers/gpu/drm/panel/panel-osd-osd101t2587-53ts.c @@ -164,7 +164,9 @@ static int osd101t2587_panel_add(struct osd101t2587_panel *osd101t2587) if (ret) return ret; - return drm_panel_add(&osd101t2587->base); + drm_panel_add(&osd101t2587->base); + + return 0; } static int osd101t2587_panel_probe(struct mipi_dsi_device *dsi) diff --git a/drivers/gpu/drm/panel/panel-panasonic-vvx10f034n00.c b/drivers/gpu/drm/panel/panel-panasonic-vvx10f034n00.c index 627dfcf8adb4..3c20beeb1781 100644 --- a/drivers/gpu/drm/panel/panel-panasonic-vvx10f034n00.c +++ b/drivers/gpu/drm/panel/panel-panasonic-vvx10f034n00.c @@ -206,7 +206,9 @@ static int wuxga_nt_panel_add(struct wuxga_nt_panel *wuxga_nt) if (ret) return ret; - return drm_panel_add(&wuxga_nt->base); + drm_panel_add(&wuxga_nt->base); + + return 0; } static void wuxga_nt_panel_del(struct wuxga_nt_panel *wuxga_nt) diff --git a/drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c b/drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c index e50ee26474cf..5e9ccefb88f6 100644 --- a/drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c +++ b/drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c @@ -361,7 +361,7 @@ static int rpi_touchscreen_probe(struct i2c_client *i2c, struct rpi_touchscreen *ts; struct device_node *endpoint, *dsi_host_node; struct mipi_dsi_host *host; - int ret, ver; + int ver; struct mipi_dsi_device_info info = { .type = RPI_DSI_DRIVER_NAME, .channel = 0, @@ -429,9 +429,7 @@ static int rpi_touchscreen_probe(struct i2c_client *i2c, /* This appears last, as it's what will unblock the DSI host * driver's component bind function. */ - ret = drm_panel_add(&ts->base); - if (ret) - return ret; + drm_panel_add(&ts->base); return 0; diff --git a/drivers/gpu/drm/panel/panel-raydium-rm67191.c b/drivers/gpu/drm/panel/panel-raydium-rm67191.c index 57ff2b1f6361..2ef322582133 100644 --- a/drivers/gpu/drm/panel/panel-raydium-rm67191.c +++ b/drivers/gpu/drm/panel/panel-raydium-rm67191.c @@ -609,9 +609,7 @@ static int rad_panel_probe(struct mipi_dsi_device *dsi) DRM_MODE_CONNECTOR_DSI); dev_set_drvdata(dev, panel); - ret = drm_panel_add(&panel->panel); - if (ret) - return ret; + drm_panel_add(&panel->panel); ret = mipi_dsi_attach(dsi); if (ret) diff --git a/drivers/gpu/drm/panel/panel-ronbo-rb070d30.c b/drivers/gpu/drm/panel/panel-ronbo-rb070d30.c index a7b0b3e39e1a..ea74958d7544 100644 --- a/drivers/gpu/drm/panel/panel-ronbo-rb070d30.c +++ b/drivers/gpu/drm/panel/panel-ronbo-rb070d30.c @@ -200,9 +200,7 @@ static int rb070d30_panel_dsi_probe(struct mipi_dsi_device *dsi) if (ret) return ret; - ret = drm_panel_add(&ctx->panel); - if (ret < 0) - return ret; + drm_panel_add(&ctx->panel); dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST | MIPI_DSI_MODE_LPM; dsi->format = MIPI_DSI_FMT_RGB888; diff --git a/drivers/gpu/drm/panel/panel-samsung-ld9040.c b/drivers/gpu/drm/panel/panel-samsung-ld9040.c index 9bb2e8c7934a..358168ed8355 100644 --- a/drivers/gpu/drm/panel/panel-samsung-ld9040.c +++ b/drivers/gpu/drm/panel/panel-samsung-ld9040.c @@ -354,7 +354,9 @@ static int ld9040_probe(struct spi_device *spi) drm_panel_init(&ctx->panel, dev, &ld9040_drm_funcs, DRM_MODE_CONNECTOR_DPI); - return drm_panel_add(&ctx->panel); + drm_panel_add(&ctx->panel); + + return 0; } static int ld9040_remove(struct spi_device *spi) diff --git a/drivers/gpu/drm/panel/panel-samsung-s6d16d0.c b/drivers/gpu/drm/panel/panel-samsung-s6d16d0.c index f02645d396ac..e88af6f8bf60 100644 --- a/drivers/gpu/drm/panel/panel-samsung-s6d16d0.c +++ b/drivers/gpu/drm/panel/panel-samsung-s6d16d0.c @@ -212,9 +212,7 @@ static int s6d16d0_probe(struct mipi_dsi_device *dsi) drm_panel_init(&s6->panel, dev, &s6d16d0_drm_funcs, DRM_MODE_CONNECTOR_DSI); - ret = drm_panel_add(&s6->panel); - if (ret < 0) - return ret; + drm_panel_add(&s6->panel); ret = mipi_dsi_attach(dsi); if (ret < 0) diff --git a/drivers/gpu/drm/panel/panel-samsung-s6e3ha2.c b/drivers/gpu/drm/panel/panel-samsung-s6e3ha2.c index 80ef122e7466..2c84036c6a65 100644 --- a/drivers/gpu/drm/panel/panel-samsung-s6e3ha2.c +++ b/drivers/gpu/drm/panel/panel-samsung-s6e3ha2.c @@ -733,9 +733,7 @@ static int s6e3ha2_probe(struct mipi_dsi_device *dsi) drm_panel_init(&ctx->panel, dev, &s6e3ha2_drm_funcs, DRM_MODE_CONNECTOR_DSI); - ret = drm_panel_add(&ctx->panel); - if (ret < 0) - goto unregister_backlight; + drm_panel_add(&ctx->panel); ret = mipi_dsi_attach(dsi); if (ret < 0) @@ -745,8 +743,6 @@ static int s6e3ha2_probe(struct mipi_dsi_device *dsi) remove_panel: drm_panel_remove(&ctx->panel); - -unregister_backlight: backlight_device_unregister(ctx->bl_dev); return ret; diff --git a/drivers/gpu/drm/panel/panel-samsung-s6e63j0x03.c b/drivers/gpu/drm/panel/panel-samsung-s6e63j0x03.c index 1247656d73bf..7a43eb3545cf 100644 --- a/drivers/gpu/drm/panel/panel-samsung-s6e63j0x03.c +++ b/drivers/gpu/drm/panel/panel-samsung-s6e63j0x03.c @@ -479,9 +479,7 @@ static int s6e63j0x03_probe(struct mipi_dsi_device *dsi) ctx->bl_dev->props.brightness = DEFAULT_BRIGHTNESS; ctx->bl_dev->props.power = FB_BLANK_POWERDOWN; - ret = drm_panel_add(&ctx->panel); - if (ret < 0) - goto unregister_backlight; + drm_panel_add(&ctx->panel); ret = mipi_dsi_attach(dsi); if (ret < 0) @@ -491,8 +489,6 @@ static int s6e63j0x03_probe(struct mipi_dsi_device *dsi) remove_panel: drm_panel_remove(&ctx->panel); - -unregister_backlight: backlight_device_unregister(ctx->bl_dev); return ret; diff --git a/drivers/gpu/drm/panel/panel-samsung-s6e63m0.c b/drivers/gpu/drm/panel/panel-samsung-s6e63m0.c index 64421347bfd4..e086efea2950 100644 --- a/drivers/gpu/drm/panel/panel-samsung-s6e63m0.c +++ b/drivers/gpu/drm/panel/panel-samsung-s6e63m0.c @@ -479,7 +479,9 @@ static int s6e63m0_probe(struct spi_device *spi) if (ret < 0) return ret; - return drm_panel_add(&ctx->panel); + drm_panel_add(&ctx->panel); + + return 0; } static int s6e63m0_remove(struct spi_device *spi) diff --git a/drivers/gpu/drm/panel/panel-samsung-s6e88a0-ams452ef01.c b/drivers/gpu/drm/panel/panel-samsung-s6e88a0-ams452ef01.c index 485eabecfcc9..ea63799ff2a1 100644 --- a/drivers/gpu/drm/panel/panel-samsung-s6e88a0-ams452ef01.c +++ b/drivers/gpu/drm/panel/panel-samsung-s6e88a0-ams452ef01.c @@ -242,11 +242,7 @@ static int s6e88a0_ams452ef01_probe(struct mipi_dsi_device *dsi) drm_panel_init(&ctx->panel, dev, &s6e88a0_ams452ef01_panel_funcs, DRM_MODE_CONNECTOR_DSI); - ret = drm_panel_add(&ctx->panel); - if (ret < 0) { - dev_err(dev, "Failed to add panel: %d\n", ret); - return ret; - } + drm_panel_add(&ctx->panel); ret = mipi_dsi_attach(dsi); if (ret < 0) { diff --git a/drivers/gpu/drm/panel/panel-samsung-s6e8aa0.c b/drivers/gpu/drm/panel/panel-samsung-s6e8aa0.c index 8a028d2bd0d6..e36cb1a25318 100644 --- a/drivers/gpu/drm/panel/panel-samsung-s6e8aa0.c +++ b/drivers/gpu/drm/panel/panel-samsung-s6e8aa0.c @@ -1020,9 +1020,7 @@ static int s6e8aa0_probe(struct mipi_dsi_device *dsi) drm_panel_init(&ctx->panel, dev, &s6e8aa0_drm_funcs, DRM_MODE_CONNECTOR_DSI); - ret = drm_panel_add(&ctx->panel); - if (ret < 0) - return ret; + drm_panel_add(&ctx->panel); ret = mipi_dsi_attach(dsi); if (ret < 0) diff --git a/drivers/gpu/drm/panel/panel-seiko-43wvf1g.c b/drivers/gpu/drm/panel/panel-seiko-43wvf1g.c index e417dc4921c2..0ee508576231 100644 --- a/drivers/gpu/drm/panel/panel-seiko-43wvf1g.c +++ b/drivers/gpu/drm/panel/panel-seiko-43wvf1g.c @@ -258,9 +258,7 @@ static int seiko_panel_probe(struct device *dev, if (err) return err; - err = drm_panel_add(&panel->base); - if (err < 0) - return err; + drm_panel_add(&panel->base); dev_set_drvdata(dev, panel); diff --git a/drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c b/drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c index f07324b705b3..f8cd2a42ed13 100644 --- a/drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c +++ b/drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c @@ -325,7 +325,9 @@ static int sharp_panel_add(struct sharp_panel *sharp) if (ret) return ret; - return drm_panel_add(&sharp->base); + drm_panel_add(&sharp->base); + + return 0; } static void sharp_panel_del(struct sharp_panel *sharp) diff --git a/drivers/gpu/drm/panel/panel-sharp-ls037v7dw01.c b/drivers/gpu/drm/panel/panel-sharp-ls037v7dw01.c index d7bf13b9e1d6..94992f45113a 100644 --- a/drivers/gpu/drm/panel/panel-sharp-ls037v7dw01.c +++ b/drivers/gpu/drm/panel/panel-sharp-ls037v7dw01.c @@ -187,7 +187,9 @@ static int ls037v7dw01_probe(struct platform_device *pdev) drm_panel_init(&lcd->panel, &pdev->dev, &ls037v7dw01_funcs, DRM_MODE_CONNECTOR_DPI); - return drm_panel_add(&lcd->panel); + drm_panel_add(&lcd->panel); + + return 0; } static int ls037v7dw01_remove(struct platform_device *pdev) diff --git a/drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c b/drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c index b2e58935529c..16dbf0f353ed 100644 --- a/drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c +++ b/drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c @@ -261,7 +261,9 @@ static int sharp_nt_panel_add(struct sharp_nt_panel *sharp_nt) if (ret) return ret; - return drm_panel_add(&sharp_nt->base); + drm_panel_add(&sharp_nt->base); + + return 0; } static void sharp_nt_panel_del(struct sharp_nt_panel *sharp_nt) diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c index 221859652d82..67ca543e74e8 100644 --- a/drivers/gpu/drm/panel/panel-simple.c +++ b/drivers/gpu/drm/panel/panel-simple.c @@ -613,9 +613,7 @@ static int panel_simple_probe(struct device *dev, const struct panel_desc *desc) if (err) goto free_ddc; - err = drm_panel_add(&panel->base); - if (err < 0) - goto free_ddc; + drm_panel_add(&panel->base); dev_set_drvdata(dev, panel); diff --git a/drivers/gpu/drm/panel/panel-sitronix-st7701.c b/drivers/gpu/drm/panel/panel-sitronix-st7701.c index 692041ae4eb6..12462114a52d 100644 --- a/drivers/gpu/drm/panel/panel-sitronix-st7701.c +++ b/drivers/gpu/drm/panel/panel-sitronix-st7701.c @@ -380,9 +380,7 @@ static int st7701_dsi_probe(struct mipi_dsi_device *dsi) if (ret) return ret; - ret = drm_panel_add(&st7701->panel); - if (ret < 0) - return ret; + drm_panel_add(&st7701->panel); mipi_dsi_set_drvdata(dsi, st7701); st7701->dsi = dsi; diff --git a/drivers/gpu/drm/panel/panel-sitronix-st7789v.c b/drivers/gpu/drm/panel/panel-sitronix-st7789v.c index 3513ae40efa8..61e565524542 100644 --- a/drivers/gpu/drm/panel/panel-sitronix-st7789v.c +++ b/drivers/gpu/drm/panel/panel-sitronix-st7789v.c @@ -382,9 +382,7 @@ static int st7789v_probe(struct spi_device *spi) if (ret) return ret; - ret = drm_panel_add(&ctx->panel); - if (ret < 0) - return ret; + drm_panel_add(&ctx->panel); return 0; } diff --git a/drivers/gpu/drm/panel/panel-sony-acx424akp.c b/drivers/gpu/drm/panel/panel-sony-acx424akp.c index 97a1b4790d3c..57575c40f2aa 100644 --- a/drivers/gpu/drm/panel/panel-sony-acx424akp.c +++ b/drivers/gpu/drm/panel/panel-sony-acx424akp.c @@ -504,9 +504,7 @@ static int acx424akp_probe(struct mipi_dsi_device *dsi) acx->bl->props.brightness = 512; acx->bl->props.power = FB_BLANK_POWERDOWN; - ret = drm_panel_add(&acx->panel); - if (ret < 0) - return ret; + drm_panel_add(&acx->panel); ret = mipi_dsi_attach(dsi); if (ret < 0) { diff --git a/drivers/gpu/drm/panel/panel-sony-acx565akm.c b/drivers/gpu/drm/panel/panel-sony-acx565akm.c index fc6a7e451abe..e95fdfb16b6c 100644 --- a/drivers/gpu/drm/panel/panel-sony-acx565akm.c +++ b/drivers/gpu/drm/panel/panel-sony-acx565akm.c @@ -650,12 +650,7 @@ static int acx565akm_probe(struct spi_device *spi) drm_panel_init(&lcd->panel, &lcd->spi->dev, &acx565akm_funcs, DRM_MODE_CONNECTOR_DPI); - ret = drm_panel_add(&lcd->panel); - if (ret < 0) { - if (lcd->has_bc) - acx565akm_backlight_cleanup(lcd); - return ret; - } + drm_panel_add(&lcd->panel); return 0; } diff --git a/drivers/gpu/drm/panel/panel-tpo-td028ttec1.c b/drivers/gpu/drm/panel/panel-tpo-td028ttec1.c index 58d683cc5215..037c14fd6bac 100644 --- a/drivers/gpu/drm/panel/panel-tpo-td028ttec1.c +++ b/drivers/gpu/drm/panel/panel-tpo-td028ttec1.c @@ -350,7 +350,9 @@ static int td028ttec1_probe(struct spi_device *spi) if (ret) return ret; - return drm_panel_add(&lcd->panel); + drm_panel_add(&lcd->panel); + + return 0; } static int td028ttec1_remove(struct spi_device *spi) diff --git a/drivers/gpu/drm/panel/panel-tpo-td043mtea1.c b/drivers/gpu/drm/panel/panel-tpo-td043mtea1.c index 9b2a356c4d9a..49e6c9386258 100644 --- a/drivers/gpu/drm/panel/panel-tpo-td043mtea1.c +++ b/drivers/gpu/drm/panel/panel-tpo-td043mtea1.c @@ -460,11 +460,7 @@ static int td043mtea1_probe(struct spi_device *spi) drm_panel_init(&lcd->panel, &lcd->spi->dev, &td043mtea1_funcs, DRM_MODE_CONNECTOR_DPI); - ret = drm_panel_add(&lcd->panel); - if (ret < 0) { - sysfs_remove_group(&spi->dev.kobj, &td043mtea1_attr_group); - return ret; - } + drm_panel_add(&lcd->panel); return 0; } diff --git a/drivers/gpu/drm/panel/panel-tpo-tpg110.c b/drivers/gpu/drm/panel/panel-tpo-tpg110.c index c7a2f0ae5ba5..cd00cfa6ba14 100644 --- a/drivers/gpu/drm/panel/panel-tpo-tpg110.c +++ b/drivers/gpu/drm/panel/panel-tpo-tpg110.c @@ -448,7 +448,9 @@ static int tpg110_probe(struct spi_device *spi) spi_set_drvdata(spi, tpg); - return drm_panel_add(&tpg->panel); + drm_panel_add(&tpg->panel); + + return 0; } static int tpg110_remove(struct spi_device *spi) |