Commit 9933847b authored by Ben Dooks's avatar Ben Dooks
Browse files

ARM: S3C24XX: Remove s3c2410_gpio_getcfg(), implement s3c_gpio_getcfg() 



Add s3c_gpio_getcfg() and change anything using s3c2410_gpio_getcfg() to
use this instead.

Signed-off-by: default avatarBen Dooks <ben-linux@fluff.org>
parent 97a33999

arch/arm/plat-s3c24xx/gpio.c

+0 −19
Original line number Diff line number Diff line
@@ -33,25 +33,6 @@ 


#include <mach/regs-gpio.h>



unsigned int s3c2410_gpio_getcfg(unsigned int pin)

{

	void __iomem *base = S3C24XX_GPIO_BASE(pin);

	unsigned long val = __raw_readl(base);



	if (pin < S3C2410_GPIO_BANKB) {

		val >>= S3C2410_GPIO_OFFSET(pin);

		val &= 1;

		val += 1;

	} else {

		val >>= S3C2410_GPIO_OFFSET(pin)*2;

		val &= 3;

	}



	return val | S3C2410_GPIO_INPUT;

}



EXPORT_SYMBOL(s3c2410_gpio_getcfg);



void s3c2410_gpio_pullup(unsigned int pin, unsigned int to)

{

	void __iomem *base = S3C24XX_GPIO_BASE(pin);

arch/arm/plat-s3c24xx/pm.c

+2 −2
Original line number Diff line number Diff line
@@ -98,11 +98,11 @@ static void s3c_pm_check_resume_pin(unsigned int pin, unsigned int irqoffs) 
	else

		irqstate = s3c_irqwake_eintmask & (1L<<irqoffs);



	pinstate = s3c2410_gpio_getcfg(pin);

	pinstate = s3c_gpio_getcfg(pin);



	if (!irqstate) {

		if (pinstate == S3C2410_GPIO_IRQ)

			S3C_PMDBG("Leaving IRQ %d (pin %d) enabled\n", irq, pin);

			S3C_PMDBG("Leaving IRQ %d (pin %d) as is\n", irq, pin);

	} else {

		if (pinstate == S3C2410_GPIO_IRQ) {

			S3C_PMDBG("Disabling IRQ %d (pin %d)\n", irq, pin);

arch/arm/plat-samsung/gpio-config.c

+20 −0
Original line number Diff line number Diff line
@@ -41,6 +41,26 @@ int s3c_gpio_cfgpin(unsigned int pin, unsigned int config) 
}

EXPORT_SYMBOL(s3c_gpio_cfgpin);



unsigned s3c_gpio_getcfg(unsigned int pin)

{

	struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin);

	unsigned long flags;

	unsigned ret = 0;

	int offset;



	if (chip) {

		offset = pin - chip->chip.base;



		local_irq_save(flags);

		ret = s3c_gpio_do_getcfg(chip, offset);

		local_irq_restore(flags);

	}



	return ret;

}

EXPORT_SYMBOL(s3c_gpio_getcfg);





int s3c_gpio_setpull(unsigned int pin, s3c_gpio_pull_t pull)

{

	struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin);

arch/arm/plat-samsung/include/plat/gpio-cfg-helpers.h

+6 −0
Original line number Diff line number Diff line
@@ -30,6 +30,12 @@ static inline int s3c_gpio_do_setcfg(struct s3c_gpio_chip *chip, 
	return (chip->config->set_config)(chip, off, config);

}



static inline unsigned s3c_gpio_do_getcfg(struct s3c_gpio_chip *chip,

					  unsigned int off)

{

	return (chip->config->get_config)(chip, off);

}



static inline int s3c_gpio_do_setpull(struct s3c_gpio_chip *chip,

				      unsigned int off, s3c_gpio_pull_t pull)

{

arch/arm/plat-samsung/include/plat/gpio-cfg.h

+11 −0
Original line number Diff line number Diff line
@@ -77,6 +77,17 @@ struct s3c_gpio_cfg { 
 */

extern int s3c_gpio_cfgpin(unsigned int pin, unsigned int to);



/**

 * s3c_gpio_getcfg - Read the current function for a GPIO pin

 * @pin: The pin to read the configuration value for.

 *

 * Read the configuration state of the given @pin, returning a value that

 * could be passed back to s3c_gpio_cfgpin().

 *

 * @sa s3c_gpio_cfgpin

 */

extern unsigned s3c_gpio_getcfg(unsigned int pin);



/* Define values for the pull-{up,down} available for each gpio pin.

 *

 * These values control the state of the weak pull-{up,down} resistors