[PATCH 2/2] drm/panel: ltk050h3146w: use dev_err_probe wherever possible

From: Quentin Schulz
Date: Thu Jan 04 2024 - 07:52:16 EST


From: Quentin Schulz <quentin.schulz@xxxxxxxxxxxxxxxxxxxxx>

This is only a cosmetic change.

This replaces a hand-crafted EPROBE_DEFER handling for deciding to print
an error message with dev_err_probe.

A side-effect is that dev_err_probe also adds a debug message when it's
not EPROBE_DEFER, but this is seen as an improvement.

Cc: Quentin Schulz <foss+kernel@xxxxxxxxx>
Signed-off-by: Quentin Schulz <quentin.schulz@xxxxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/panel/panel-leadtek-ltk050h3146w.c | 17 +++++------------
1 file changed, 5 insertions(+), 12 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-leadtek-ltk050h3146w.c b/drivers/gpu/drm/panel/panel-leadtek-ltk050h3146w.c
index ecfa4181c4fd9..9d87cc1a357e3 100644
--- a/drivers/gpu/drm/panel/panel-leadtek-ltk050h3146w.c
+++ b/drivers/gpu/drm/panel/panel-leadtek-ltk050h3146w.c
@@ -650,20 +650,13 @@ static int ltk050h3146w_probe(struct mipi_dsi_device *dsi)
return dev_err_probe(dev, PTR_ERR(ctx->reset_gpio), "cannot get reset gpio\n");

ctx->vci = devm_regulator_get(dev, "vci");
- if (IS_ERR(ctx->vci)) {
- ret = PTR_ERR(ctx->vci);
- if (ret != -EPROBE_DEFER)
- dev_err(dev, "Failed to request vci regulator: %d\n", ret);
- return ret;
- }
+ if (IS_ERR(ctx->vci))
+ return dev_err_probe(dev, PTR_ERR(ctx->vci), "Failed to request vci 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");

mipi_dsi_set_drvdata(dsi, ctx);


--
2.43.0