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authorGrant Likely <grant.likely@linaro.org>2014-03-04 09:44:10 +0100
committerGrant Likely <grant.likely@linaro.org>2014-03-04 09:44:10 +0100
commitdab2310d9d90eded48625c5382c6a60389bf8ca9 (patch)
tree9327cc815d69dec23aebf03407e3fa82b6d2fbaa /drivers/gpio/gpio-xtensa.c
parentRevert "of: fix of_update_property()" (diff)
parentLinux 3.14-rc5 (diff)
downloadlinux-dab2310d9d90eded48625c5382c6a60389bf8ca9.tar.xz
linux-dab2310d9d90eded48625c5382c6a60389bf8ca9.zip
Merge tag 'v3.14-rc5' into HEAD
Linux 3.14-rc5
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 */