diff options
| author | Mike Frysinger <vapier@gentoo.org> | 2011-05-10 12:56:58 -0400 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2011-07-12 02:17:45 -0400 |
| commit | 95b4b9d97a5bb6a93ec269cb9cf85e95a8f8295d (patch) | |
| tree | 8717427f06e5ac86318f687936c91668187ba5cc | |
| parent | 272d2fc2f5184740e5890e9afeb9fd78d308e51a (diff) | |
| download | u-boot-imx-95b4b9d97a5bb6a93ec269cb9cf85e95a8f8295d.zip u-boot-imx-95b4b9d97a5bb6a93ec269cb9cf85e95a8f8295d.tar.gz u-boot-imx-95b4b9d97a5bb6a93ec269cb9cf85e95a8f8295d.tar.bz2 | |
Blackfin: gpio: optimize free path a little
When we aren't doing resource tracking, the gpio_free() function is a
stub that simply returns, so pull this logic up a level and make it an
inline stub in the header. Now we don't have to waste time at any of
the call sites.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| -rw-r--r-- | arch/blackfin/cpu/gpio.c | 2 | ||||
| -rw-r--r-- | arch/blackfin/include/asm/gpio.h | 3 |
2 files changed, 4 insertions, 1 deletions
diff --git a/arch/blackfin/cpu/gpio.c b/arch/blackfin/cpu/gpio.c index cb96721..5674d42 100644 --- a/arch/blackfin/cpu/gpio.c +++ b/arch/blackfin/cpu/gpio.c @@ -665,6 +665,7 @@ int bfin_gpio_request(unsigned gpio, const char *label) return 0; } +#ifdef CONFIG_BFIN_GPIO_TRACK void bfin_gpio_free(unsigned gpio) { if (check_gpio(gpio) < 0) @@ -679,6 +680,7 @@ void bfin_gpio_free(unsigned gpio) set_label(gpio, "free"); } +#endif #ifdef BFIN_SPECIAL_GPIO_BANKS DECLARE_RESERVED_MAP(special_gpio, gpio_bank(MAX_RESOURCES)); diff --git a/arch/blackfin/include/asm/gpio.h b/arch/blackfin/include/asm/gpio.h index 9c0e5d1..224688f 100644 --- a/arch/blackfin/include/asm/gpio.h +++ b/arch/blackfin/include/asm/gpio.h @@ -142,8 +142,10 @@ struct gpio_port_t { #ifdef CONFIG_BFIN_GPIO_TRACK void bfin_gpio_labels(void); +void bfin_gpio_free(unsigned gpio); #else #define bfin_gpio_labels() +#define bfin_gpio_free(gpio) #define bfin_gpio_request(gpio, label) bfin_gpio_request(gpio) #define bfin_special_gpio_request(gpio, label) bfin_special_gpio_request(gpio) #endif @@ -154,7 +156,6 @@ int bfin_special_gpio_request(unsigned gpio, const char *label); #endif int bfin_gpio_request(unsigned gpio, const char *label); -void bfin_gpio_free(unsigned gpio); int bfin_gpio_direction_input(unsigned gpio); int bfin_gpio_direction_output(unsigned gpio, int value); int bfin_gpio_get_value(unsigned gpio); |