pinctrl: renesas: rza1: Normalize return value of gpio_get()

The GPIO .get() callback is expected to return 0 or 1 (or a negative
error code).  Ensure that the value returned by rza1_gpio_get() is
normalized to the [0, 1] range.

Fixes: 86ef402 ("gpiolib: sanitize the return value of gpio_chip::get()")
Signed-off-by: Dmitry Torokhov <[email protected]>
Reviewed-by: Andy Shevchenko <[email protected]>
Reviewed-by: Bartosz Golaszewski <[email protected]>
Reviewed-by: Linus Walleij <[email protected]>
Reviewed-by: Geert Uytterhoeven <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Geert Uytterhoeven <[email protected]>

Author: dtor

drivers/pinctrl/renesas/pinctrl-rza1.c

@@ -589,7 +589,7 @@ static inline unsigned int rza1_get_bit(struct rza1_port *port,
 {
 	void __iomem *mem = RZA1_ADDR(port->base, reg, port->id);
 
-	return ioread16(mem) & BIT(bit);
+	return !!(ioread16(mem) & BIT(bit));
 }
 
 /**