Messages in this thread Patch in this message | | | From | Hebbar Gururaja <> | Subject | [PATCH 01/11] pinctrl: single: adopt pinctrl sleep mode management | Date | Fri, 31 May 2013 15:43:01 +0530 |
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Make pinctrl-single able to handle suspend/resume events and change hogged pins states accordingly.
Signed-off-by: Hebbar Gururaja <gururaja.hebbar@ti.com> Cc: Linus Walleij <linus.walleij@linaro.org> --- :100644 100644 b9fa046... bfd4f6a... M drivers/pinctrl/pinctrl-single.c drivers/pinctrl/pinctrl-single.c | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+)
diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c index b9fa046..bfd4f6a 100644 --- a/drivers/pinctrl/pinctrl-single.c +++ b/drivers/pinctrl/pinctrl-single.c @@ -1346,6 +1346,29 @@ 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; @@ -1494,6 +1517,10 @@ 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); -- 1.7.9.5
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