diff options
| author | Ben Dooks <ben-linux@fluff.org> | 2008-07-25 01:46:03 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-25 10:53:30 -0700 |
| commit | 53a9600c634e3bfd6230e0597aca159bf4d4d010 (patch) | |
| tree | e1cef8dd88dc0cef7012c6668cc33698c1448a0c /drivers/mfd/sm501.c | |
| parent | f2999209d779573e17468b680f5f267d8cb2a9c7 (diff) | |
| download | lwn-53a9600c634e3bfd6230e0597aca159bf4d4d010.tar.gz lwn-53a9600c634e3bfd6230e0597aca159bf4d4d010.zip | |
mfd: sm501 fix gpio number calculation for upper bank
The sm501_gpio_pin2nr() routine returns the wrong values for gpios in the
upper bank.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/mfd/sm501.c')
| -rw-r--r-- | drivers/mfd/sm501.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/mfd/sm501.c b/drivers/mfd/sm501.c index 79d7aea5510b..7aebad4c06ff 100644 --- a/drivers/mfd/sm501.c +++ b/drivers/mfd/sm501.c @@ -1108,7 +1108,9 @@ static void sm501_gpio_remove(struct sm501_devdata *sm) static inline int sm501_gpio_pin2nr(struct sm501_devdata *sm, unsigned int pin) { struct sm501_gpio *gpio = &sm->gpio; - return pin + (pin < 32) ? gpio->low.gpio.base : gpio->high.gpio.base; + int base = (pin < 32) ? gpio->low.gpio.base : gpio->high.gpio.base; + + return (pin % 32) + base; } static inline int sm501_gpio_isregistered(struct sm501_devdata *sm) |