ACPI / gpio: do not fall back to parsing _CRS when we get a deferral

If, while locating GPIOs by name, we get probe deferral, we should
immediately report it to caller rather than trying to fall back to parsing
unnamed GPIOs from _CRS block.

Cc: [email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
Acked-by: Mika Westerberg <[email protected]>
Acked-and-Tested-by: Hans de Goede <[email protected]>
Signed-off-by: Linus Walleij <[email protected]>

Author: dtor

drivers/gpio/gpiolib-acpi.c

@@ -577,8 +577,10 @@ struct gpio_desc *acpi_find_gpio(struct device *dev,
 		}
 
 		desc = acpi_get_gpiod_by_index(adev, propname, idx, &info);
-		if (!IS_ERR(desc) || (PTR_ERR(desc) == -EPROBE_DEFER))
+		if (!IS_ERR(desc))
 			break;
+		if (PTR_ERR(desc) == -EPROBE_DEFER)
+			return ERR_CAST(desc);
 	}
 
 	/* Then from plain _CRS GPIOs */