[PATCH 01/11] pinctrl: single: adopt pinctrl sleep mode management
From: Hebbar Gururaja <hidden>
Date: 2013-05-31 10:11:55
Also in:
linux-devicetree, lkml
Subsystem:
pin control subsystem, pin controller - single, the rest · Maintainers:
Linus Walleij, Tony Lindgren, Haojian Zhuang, Linus Torvalds
Make pinctrl-single able to handle suspend/resume events and change hogged pins states accordingly. Signed-off-by: Hebbar Gururaja <redacted> Cc: Linus Walleij <redacted> --- :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);
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1.7.9.5