diff options
Diffstat (limited to 'drivers/gpio/gpio-xtensa.c')
| -rw-r--r-- | drivers/gpio/gpio-xtensa.c | 16 |
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 */ |