gpio: crystalcove: Use -ENOTSUPP consistently

The GPIO library expects the drivers to return -ENOTSUPP in some
cases and not using analogue POSIX code. Make the driver to follow
this.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

diff --git a/drivers/gpio/gpio-crystalcove.c b/drivers/gpio/gpio-crystalcove.c
index 1ee62cd58582b6496f0536fa7c45e2dc0305797f..25db014494a4de9bb8c44d0b2bd39d8786c3bb59 100644 (file)
--- a/drivers/gpio/gpio-crystalcove.c
+++ b/drivers/gpio/gpio-crystalcove.c
@@ -92,7 +92,7 @@ static inline int to_reg(int gpio, enum ctrl_register reg_type)
                case 0x5e:
                        return GPIOPANELCTL;
                default:
-                       return -EOPNOTSUPP;
+                       return -ENOTSUPP;
                }
        }