backlight: hx8357: Make use of dev_err_probe()

Simplify the error handling in probe function by switching from
dev_err() to dev_err_probe().

Signed-off-by: Andy Shevchenko <[e-mail]>
Reviewed-by: Daniel Thompson <[e-mail]>
Reviewed-by: Javier Martinez Canillas <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Lee Jones <[e-mail]>

drivers/video/backlight/hx8357.c

···
 		return -ENOMEM;
 
 	ret = spi_setup(spi);
-	if (ret < 0) {
-		dev_err(&spi->dev, "SPI setup failed.\n");
-		return ret;
-	}
+	if (ret < 0)
+		return dev_err_probe(dev, ret, "SPI setup failed.\n");
 
 	lcd->spi = spi;
 
···
 	hx8357_lcd_reset(lcdev);
 
 	ret = init_fn(lcdev);
-	if (ret) {
-		dev_err(&spi->dev, "Couldn't initialize panel\n");
-		return ret;
-	}
+	if (ret)
+		return dev_err_probe(dev, ret, "Couldn't initialize panel\n");
 
 	dev_info(&spi->dev, "Panel probed\n");