The GPIO request can fail and probe may be deferred. Thus, the error message may be printed again and again. Avoid this by replacing DRM_DEV_ERROR() by dev_err_probe().
Signed-off-by: Andy Shevchenko andriy.shevchenko@linux.intel.com --- drivers/gpu/drm/tiny/mi0283qt.c | 12 ++++-------- 1 file changed, 4 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/tiny/mi0283qt.c b/drivers/gpu/drm/tiny/mi0283qt.c index ff77f983f803..c90b5dee7761 100644 --- a/drivers/gpu/drm/tiny/mi0283qt.c +++ b/drivers/gpu/drm/tiny/mi0283qt.c @@ -196,16 +196,12 @@ static int mi0283qt_probe(struct spi_device *spi) drm = &dbidev->drm;
dbi->reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH); - if (IS_ERR(dbi->reset)) { - DRM_DEV_ERROR(dev, "Failed to get gpio 'reset'\n"); - return PTR_ERR(dbi->reset); - } + if (IS_ERR(dbi->reset)) + return dev_err_probe(dev, PTR_ERR(dbi->reset), "Failed to get GPIO 'reset'\n");
dc = devm_gpiod_get_optional(dev, "dc", GPIOD_OUT_LOW); - if (IS_ERR(dc)) { - DRM_DEV_ERROR(dev, "Failed to get gpio 'dc'\n"); - return PTR_ERR(dc); - } + if (IS_ERR(dc)) + return dev_err_probe(dev, PTR_ERR(dc), "Failed to get GPIO 'dc'\n");
dbidev->regulator = devm_regulator_get(dev, "power"); if (IS_ERR(dbidev->regulator))