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Commit 0f9bc4bc authored by Hebbar Gururaja's avatar Hebbar Gururaja Committed by Linus Walleij
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pinctrl: single: adopt pinctrl sleep mode management 



Make pinctrl-single able to handle suspend/resume events and change
hogged pins states accordingly.

Signed-off-by: default avatarHebbar Gururaja <gururaja.hebbar@ti.com>
Acked-by: default avatarTony Lindgren <tony@atomide.com>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent 97e3d9e3

drivers/pinctrl/pinctrl-single.c

+27 −0
Original line number Diff line number Diff line
@@ -1483,6 +1483,29 @@ static int pcs_add_gpio_func(struct device_node *node, struct pcs_device *pcs) 
	return ret;

}



static int pinctrl_single_suspend(struct platform_device *pdev,

					pm_message_t state)

{

	struct pcs_device *pcs;



	pcs = platform_get_drvdata(pdev);

	if (!pcs)

		return -EINVAL;



	return pinctrl_force_sleep(pcs->pctl);

}



static int pinctrl_single_resume(struct platform_device *pdev)

{

	struct pcs_device *pcs;



	pcs = platform_get_drvdata(pdev);

	if (!pcs)

		return -EINVAL;



	return pinctrl_force_default(pcs->pctl);

}



static int pcs_probe(struct platform_device *pdev)

{

	struct device_node *np = pdev->dev.of_node;
@@ -1631,6 +1654,10 @@ static struct platform_driver pcs_driver = { 
		.name		= DRIVER_NAME,

		.of_match_table	= pcs_of_match,

	},

#ifdef CONFIG_PM

	.suspend = pinctrl_single_suspend,

	.resume = pinctrl_single_resume,

#endif

};



module_platform_driver(pcs_driver);