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authorGuido Günther <agx@sigxcpu.org>2020-11-18 09:29:48 +0100
committerGuido Günther <agx@sigxcpu.org>2020-12-08 11:05:04 +0100
commitdfb64090892ff377e714aa695d028e5de5d57091 (patch)
treeb30352d0473dfb5379d65df9bba0dd71c003245e /drivers/gpu/drm/panel
parenta3d0d8347978dd6f19b75deb72068d7420662539 (diff)
downloadlinux-dfb64090892ff377e714aa695d028e5de5d57091.tar.bz2
drm/panel: st7703: Use dev_err_probe
Less code and easier probe deferral debugging. Signed-off-by: Guido Günther <agx@sigxcpu.org> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/36405038d93eb148f3e8ed8e5ea70de8e87afd78.1605688147.git.agx@sigxcpu.org
Diffstat (limited to 'drivers/gpu/drm/panel')
-rw-r--r--drivers/gpu/drm/panel/panel-sitronix-st7703.c24
1 files changed, 8 insertions, 16 deletions
diff --git a/drivers/gpu/drm/panel/panel-sitronix-st7703.c b/drivers/gpu/drm/panel/panel-sitronix-st7703.c
index b30510b1696a..a2c303e5732c 100644
--- a/drivers/gpu/drm/panel/panel-sitronix-st7703.c
+++ b/drivers/gpu/drm/panel/panel-sitronix-st7703.c
@@ -530,10 +530,8 @@ static int st7703_probe(struct mipi_dsi_device *dsi)
return -ENOMEM;
ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW);
- if (IS_ERR(ctx->reset_gpio)) {
- dev_err(dev, "cannot get reset gpio\n");
- return PTR_ERR(ctx->reset_gpio);
- }
+ if (IS_ERR(ctx->reset_gpio))
+ return dev_err_probe(dev, PTR_ERR(ctx->reset_gpio), "Failed to get reset gpio\n");
mipi_dsi_set_drvdata(dsi, ctx);
@@ -545,19 +543,13 @@ static int st7703_probe(struct mipi_dsi_device *dsi)
dsi->lanes = ctx->desc->lanes;
ctx->vcc = devm_regulator_get(dev, "vcc");
- if (IS_ERR(ctx->vcc)) {
- ret = PTR_ERR(ctx->vcc);
- if (ret != -EPROBE_DEFER)
- dev_err(dev, "Failed to request vcc regulator: %d\n", ret);
- return ret;
- }
+ if (IS_ERR(ctx->vcc))
+ return dev_err_probe(dev, PTR_ERR(ctx->vcc), "Failed to request vcc regulator\n");
+
ctx->iovcc = devm_regulator_get(dev, "iovcc");
- if (IS_ERR(ctx->iovcc)) {
- ret = PTR_ERR(ctx->iovcc);
- if (ret != -EPROBE_DEFER)
- dev_err(dev, "Failed to request iovcc regulator: %d\n", ret);
- return ret;
- }
+ if (IS_ERR(ctx->iovcc))
+ return dev_err_probe(dev, PTR_ERR(ctx->iovcc),
+ "Failed to request iovcc regulator\n");
drm_panel_init(&ctx->panel, dev, &st7703_drm_funcs,
DRM_MODE_CONNECTOR_DSI);