summaryrefslogtreecommitdiff
path: root/drivers/gpio/gpio-xtensa.c
diff options
context:
space:
mode:
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-02-18 09:09:09 -0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-02-18 09:09:09 -0800
commit51d52b26e1d88ce79f1053f1b0f7f4d43a98d26d (patch)
treefe0d213a91f49fd4340728a4f5bf34f60e3fba8c /drivers/gpio/gpio-xtensa.c
parentc600558668e4ebd0fab6bf1d90baaf95bc43f9d5 (diff)
parent6d0abeca3242a88cab8232e4acd7e2bf088f3bc2 (diff)
Merge 3.14-rc3 into tty-next
This is for the fixes in that release, we want them here too. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpio/gpio-xtensa.c')
-rw-r--r--drivers/gpio/gpio-xtensa.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/gpio/gpio-xtensa.c b/drivers/gpio/gpio-xtensa.c
index 1d136eceda62..7081304d6797 100644
--- 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 */