Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 0fc6bc0d authored by Phil Sutter's avatar Phil Sutter Committed by Ralf Baechle
Browse files

MIPS: RB532: Export rb532_gpio_set_func() 



This kernel symbol provides a way for drivers to switch on alternate
function for a certain GPIO pin. Turning it off is done implicitly when
changing the GPIO direction, as that would be fixed when using the given
pin als alternate function.

Signed-off-by: default avatarPhil Sutter <n0-1@freewrt.org>
Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 3828ee04

arch/mips/include/asm/mach-rc32434/gpio.h

+1 −0
Original line number Original line Diff line number Diff line
@@ -82,5 +82,6 @@ struct rb532_gpio_reg { 




extern void rb532_gpio_set_ilevel(int bit, unsigned gpio);

extern void rb532_gpio_set_ilevel(int bit, unsigned gpio);

extern void rb532_gpio_set_istat(int bit, unsigned gpio);

extern void rb532_gpio_set_istat(int bit, unsigned gpio);

extern void rb532_gpio_set_func(unsigned gpio);





#endif /* _RC32434_GPIO_H_ */
 
#endif /* _RC32434_GPIO_H_ */

arch/mips/rb532/gpio.c

+3 −2
Original line number Original line Diff line number Diff line
@@ -174,10 +174,11 @@ EXPORT_SYMBOL(rb532_gpio_set_istat); 
/*

/*

 * Configure GPIO alternate function

 * Configure GPIO alternate function

 */

 */

static void rb532_gpio_set_func(int bit, unsigned gpio)

void rb532_gpio_set_func(unsigned gpio)

{

{

       rb532_set_bit(bit, gpio, rb532_gpio_chip->regbase + GPIOFUNC);

       rb532_set_bit(1, gpio, rb532_gpio_chip->regbase + GPIOFUNC);

}

}

EXPORT_SYMBOL(rb532_gpio_set_func);





int __init rb532_gpio_init(void)

int __init rb532_gpio_init(void)

{

{