gpio: xtensa: fix build when XCHAL_HAVE_CP is 0

[platform/adaptation/renesas_rcar/renesas_kernel.git] / drivers / gpio / gpio-xtensa.c

diff --git a/drivers/gpio/gpio-xtensa.c b/drivers/gpio/gpio-xtensa.c
index 1d136ec..7081304 100644 (file)
--- a/drivers/gpio/gpio-xtensa.c
+++ b/drivers/gpio/gpio-xtensa.c
@@ -40,6 +40,8 @@
 #error GPIO32 option is not enabled for your xtensa core variant
 #endif
 
+#if XCHAL_HAVE_CP
+
 static inline unsigned long enable_cp(unsigned long *cpenable)
 {
        unsigned long flags;
@@ -57,6 +59,20 @@ static inline void disable_cp(unsigned long flags, unsigned long cpenable)
        local_irq_restore(flags);
 }
 
+#else
+
+static inline unsigned long enable_cp(unsigned long *cpenable)
+{
+       *cpenable = 0; /* avoid uninitialized value warning */
+       return 0;
+}
+
+static inline void disable_cp(unsigned long flags, unsigned long cpenable)
+{
+}
+
+#endif /* XCHAL_HAVE_CP */
+
 static int xtensa_impwire_get_direction(struct gpio_chip *gc, unsigned offset)
 {
        return 1; /* input only */