gpio: crystalcove: Use -ENOTSUPP consistently

[ Upstream commit ace0ebe5c98d66889f19e0f30e2518d0c58d0e04 ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/gpio/gpio-crystalcove.c b/drivers/gpio/gpio-crystalcove.c
index 2ba2257200865fc47ff9226f306a1a989dfbe293..0f0b4edaa4865ea64a26d71d47d2dc261a58d5ad 100644 (file)
--- a/drivers/gpio/gpio-crystalcove.c
+++ b/drivers/gpio/gpio-crystalcove.c
@@ -91,7 +91,7 @@ static inline int to_reg(int gpio, enum ctrl_register reg_type)
                case 0x5e:
                        return GPIOPANELCTL;
                default:
-                       return -EOPNOTSUPP;
+                       return -ENOTSUPP;
                }
        }