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: Hebbar Gururaja <gururaja.hebbar@ti.com> Acked-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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@ -1483,6 +1483,29 @@ static int pcs_add_gpio_func(struct device_node *node, struct pcs_device *pcs)
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return ret;
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}
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static int pinctrl_single_suspend(struct platform_device *pdev,
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pm_message_t state)
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{
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struct pcs_device *pcs;
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pcs = platform_get_drvdata(pdev);
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if (!pcs)
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return -EINVAL;
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return pinctrl_force_sleep(pcs->pctl);
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}
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static int pinctrl_single_resume(struct platform_device *pdev)
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{
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struct pcs_device *pcs;
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pcs = platform_get_drvdata(pdev);
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if (!pcs)
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return -EINVAL;
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return pinctrl_force_default(pcs->pctl);
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}
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static int pcs_probe(struct platform_device *pdev)
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{
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struct device_node *np = pdev->dev.of_node;
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@ -1631,6 +1654,10 @@ static struct platform_driver pcs_driver = {
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.name = DRIVER_NAME,
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.of_match_table = pcs_of_match,
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},
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#ifdef CONFIG_PM
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.suspend = pinctrl_single_suspend,
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.resume = pinctrl_single_resume,
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#endif
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};
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module_platform_driver(pcs_driver);
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