drm/hx8357d: Avoid spamming logs if probe is deferred

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>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210421163157.50949-7-andriy.shevchenko@linux.intel.com

diff --git a/drivers/gpu/drm/tiny/hx8357d.c b/drivers/gpu/drm/tiny/hx8357d.c
index 3e2c2868a363c168df866b23f89e0a50278698e6..da5df93450debb785668141dc4464cdc2928ebf6 100644 (file)
--- a/drivers/gpu/drm/tiny/hx8357d.c
+++ b/drivers/gpu/drm/tiny/hx8357d.c
@@ -234,10 +234,8 @@ static int hx8357d_probe(struct spi_device *spi)
        drm = &dbidev->drm;
 
        dc = devm_gpiod_get(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->backlight = devm_of_find_backlight(dev);
        if (IS_ERR(dbidev->backlight))