diff options
| author | Hebbar Gururaja <gururaja.hebbar@ti.com> | 2013-05-31 12:13:01 +0200 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2013-06-17 18:18:34 +0200 |
| commit | 0f9bc4bcdf4fd8fe768a47e25efdf709192e4de1 (patch) | |
| tree | df6e6c4bcbfc39eb6b1cb783b6e961b0fbb25af9 /drivers/pinctrl/pinctrl-single.c | |
| parent | spi: pl022: remove unused ret and pins_state variables (diff) | |
| download | linux-0f9bc4bcdf4fd8fe768a47e25efdf709192e4de1.tar.xz linux-0f9bc4bcdf4fd8fe768a47e25efdf709192e4de1.zip | |
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>
Diffstat (limited to 'drivers/pinctrl/pinctrl-single.c')
| -rw-r--r-- | drivers/pinctrl/pinctrl-single.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c index 2899c866a3fb..6866548fab31 100644 --- a/drivers/pinctrl/pinctrl-single.c +++ b/drivers/pinctrl/pinctrl-single.c @@ -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); |