gpio: wcove: Allow return negative error code from to_reg()
The type of to_reg() is unsigned int while it might return
a negative error code. Callers are also expecting a signed type.
For sake of type consistency replace unsigned int with plain int.
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 dde7c6a..4afc858 100644
--- a/drivers/gpio/gpio-wcove.c
+++ b/drivers/gpio/gpio-wcove.c
@@ -105,7 +105,7 @@
bool set_irq_mask;
};
-static inline unsigned int to_reg(int gpio, enum ctrl_register reg_type)
+static inline int to_reg(int gpio, enum ctrl_register reg_type)
{
unsigned int reg;