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Blackfin arch: Allow a gpio pin be requested both as gpio and irq.

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[Mike Frysinger <vapier.adi@gmail.com>:
 - use KERN_NOTICE when using gpios as both irq and non
   rather than KERN_ERR
 - embedded newlines in printk() does not fly]

Signed-off-by: Graf Yang <graf.yang@analog.com>
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
This commit is contained in:
Graf Yang
2009-01-07 23:14:38 +08:00
committed by Bryan Wu
parent 94106e0fb6
commit 9570ff4af6
3 changed files with 91 additions and 18 deletions
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2
arch/blackfin/include/asm/gpio.h
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@@ -548,6 +548,8 @@ struct gpio_port_s {
int bfin_gpio_request(unsigned gpio, const char *label);
void bfin_gpio_free(unsigned gpio);
int bfin_gpio_irq_request(unsigned gpio, const char *label);
void bfin_gpio_irq_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);