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>
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 @@
return 0;
}
+#ifdef CONFIG_BFIN_GPIO_TRACK
void bfin_gpio_free(unsigned gpio)
{
if (check_gpio(gpio) < 0)
@@ -679,6 +680,7 @@
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 @@
#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 @@
#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);