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: Julien Delacou <julien.delacou@stericsson.com> Reviewed-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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@ -34,6 +34,7 @@
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#include <asm/mach/irq.h>
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#include <mach/irqs.h>
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#include "pinctrl-nomadik.h"
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#include "core.h"
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/*
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* The GPIO module in the Nomadik family of Systems-on-Chip is an
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@ -1852,6 +1853,28 @@ static const struct of_device_id nmk_pinctrl_match[] = {
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{},
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};
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static int nmk_pinctrl_suspend(struct platform_device *pdev, pm_message_t state)
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{
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struct nmk_pinctrl *npct;
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npct = platform_get_drvdata(pdev);
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if (!npct)
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return -EINVAL;
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return pinctrl_force_sleep(npct->pctl);
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}
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static int nmk_pinctrl_resume(struct platform_device *pdev)
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{
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struct nmk_pinctrl *npct;
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npct = platform_get_drvdata(pdev);
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if (!npct)
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return -EINVAL;
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return pinctrl_force_default(npct->pctl);
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}
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static int nmk_pinctrl_probe(struct platform_device *pdev)
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{
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const struct platform_device_id *platid = platform_get_device_id(pdev);
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@ -1963,6 +1986,10 @@ static struct platform_driver nmk_pinctrl_driver = {
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},
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.probe = nmk_pinctrl_probe,
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.id_table = nmk_pinctrl_id,
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#ifdef CONFIG_PM
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.suspend = nmk_pinctrl_suspend,
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.resume = nmk_pinctrl_resume,
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#endif
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};
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static int __init nmk_gpio_init(void)
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