From: Julien Delacou <julien.dela...@stericsson.com>
This fix makes pinctrl-nomadik able to handle suspend/resume
events and change hogged pins states accordingly.
Signed-off-by: Julien Delacou <julien.dela...@stericsson.com>
Signed-off-by: Linus Walleij <linus.wall...@linaro.org>
---
drivers/pinctrl/pinctrl-nomadik.c | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/drivers/pinctrl/pinctrl-nomadik.c
b/drivers/pinctrl/pinctrl-nomadik.c
index 8ef3e85..1068faa 100644
--- a/drivers/pinctrl/pinctrl-nomadik.c
+++ b/drivers/pinctrl/pinctrl-nomadik.c
@@ -1847,6 +1847,28 @@ static const struct of_device_id nmk_pinctrl_match[] = {
{},
};
+static int nmk_pinctrl_suspend(struct platform_device *pdev, pm_message_t
state)
+{
+ struct nmk_pinctrl *npct;
+
+ npct = platform_get_drvdata(pdev);
+ if (!npct)
+ return -EINVAL;
+
+ return pinctrl_force_sleep(npct->pctl);
+}
+
+static int nmk_pinctrl_resume(struct platform_device *pdev)
+{
+ struct nmk_pinctrl *npct;
+
+ npct = platform_get_drvdata(pdev);
+ if (!npct)
+ return -EINVAL;
+
+ return pinctrl_force_default(npct->pctl);
+}
+
static int __devinit nmk_pinctrl_probe(struct platform_device *pdev)
{
const struct platform_device_id *platid = platform_get_device_id(pdev);
@@ -1955,6 +1977,10 @@ static struct platform_driver nmk_pinctrl_driver = {
},
.probe = nmk_pinctrl_probe,
.id_table = nmk_pinctrl_id,
+#ifdef CONFIG_PM
+ .suspend = nmk_pinctrl_suspend,
+ .resume = nmk_pinctrl_resume,
+#endif
};
static int __init nmk_gpio_init(void)
--
1.7.11.3
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
