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Commit 8d99b32d authored by Julien Delacou's avatar Julien Delacou Committed by Linus Walleij
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pinctrl/nomadik: adopt pinctrl sleep mode management 



This fix makes pinctrl-nomadik able to handle
suspend/resume events and change hogged pins states
accordingly.

Signed-off-by: default avatarJulien Delacou <julien.delacou@stericsson.com>
Reviewed-by: default avatarStephen Warren <swarren@nvidia.com>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent 840a47ba

drivers/pinctrl/pinctrl-nomadik.c

+27 −0
Original line number Diff line number Diff line
@@ -34,6 +34,7 @@ 
#include <asm/mach/irq.h>

#include <mach/irqs.h>

#include "pinctrl-nomadik.h"

#include "core.h"



/*

 * The GPIO module in the Nomadik family of Systems-on-Chip is an
@@ -1852,6 +1853,28 @@ static const struct of_device_id nmk_pinctrl_match[] = { 
	{},

};



static int nmk_pinctrl_suspend(struct platform_device *pdev, pm_message_t state)

{

	struct nmk_pinctrl *npct;



	npct = platform_get_drvdata(pdev);

	if (!npct)

		return -EINVAL;



	return pinctrl_force_sleep(npct->pctl);

}



static int nmk_pinctrl_resume(struct platform_device *pdev)

{

	struct nmk_pinctrl *npct;



	npct = platform_get_drvdata(pdev);

	if (!npct)

		return -EINVAL;



	return pinctrl_force_default(npct->pctl);

}



static int nmk_pinctrl_probe(struct platform_device *pdev)

{

	const struct platform_device_id *platid = platform_get_device_id(pdev);
@@ -1963,6 +1986,10 @@ static struct platform_driver nmk_pinctrl_driver = { 
	},

	.probe = nmk_pinctrl_probe,

	.id_table = nmk_pinctrl_id,

#ifdef CONFIG_PM

	.suspend = nmk_pinctrl_suspend,

	.resume = nmk_pinctrl_resume,

#endif

};



static int __init nmk_gpio_init(void)