gpio: wcove: 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.

Reviewed-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

diff --git a/drivers/gpio/gpio-wcove.c b/drivers/gpio/gpio-wcove.c
index c18b6b47384f1b8b9a3a26c3ac7c5f125e82d365..94ca9d03c0949453abf3ad82e013698a7a97ffda 100644 (file)
--- a/drivers/gpio/gpio-wcove.c
+++ b/drivers/gpio/gpio-wcove.c
@@ -104,7 +104,7 @@ static inline int to_reg(int gpio, enum ctrl_register type)
        unsigned int reg = type == CTRL_IN ? GPIO_IN_CTRL_BASE : GPIO_OUT_CTRL_BASE;
 
        if (gpio >= WCOVE_GPIO_NUM)
-               return -EOPNOTSUPP;
+               return -ENOTSUPP;
 
        return reg + gpio;
 }