diff options
| author | Geert Uytterhoeven <geert+renesas@glider.be> | 2014-04-14 20:33:13 +0200 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2014-04-28 12:35:10 -0700 |
| commit | df0c6c80232f2ad442dcf79a3a420eb8ac624e42 (patch) | |
| tree | 7f38b612750ac5271c29396be4eb58917fbd1c30 /drivers/gpio/gpio-rcar.c | |
| parent | 9288ecad7522e9d4fa34c3cb3ac8f762aa6b8f7c (diff) | |
| download | lwn-df0c6c80232f2ad442dcf79a3a420eb8ac624e42.tar.gz lwn-df0c6c80232f2ad442dcf79a3a420eb8ac624e42.zip | |
gpio: rcar: Add minimal runtime PM support
This is just enough to automatically enable the functional clock, if
present. Clock management during suspend/resume is still to be added.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: linux-gpio@vger.kernel.org
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio/gpio-rcar.c')
| -rw-r--r-- | drivers/gpio/gpio-rcar.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpio/gpio-rcar.c b/drivers/gpio/gpio-rcar.c index 03c91482432c..bfcfeeefcf78 100644 --- a/drivers/gpio/gpio-rcar.c +++ b/drivers/gpio/gpio-rcar.c @@ -26,6 +26,7 @@ #include <linux/pinctrl/consumer.h> #include <linux/platform_data/gpio-rcar.h> #include <linux/platform_device.h> +#include <linux/pm_runtime.h> #include <linux/spinlock.h> #include <linux/slab.h> @@ -377,6 +378,9 @@ static int gpio_rcar_probe(struct platform_device *pdev) platform_set_drvdata(pdev, p); + pm_runtime_enable(dev); + pm_runtime_get_sync(dev); + io = platform_get_resource(pdev, IORESOURCE_MEM, 0); irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0); @@ -460,6 +464,8 @@ static int gpio_rcar_probe(struct platform_device *pdev) err1: irq_domain_remove(p->irq_domain); err0: + pm_runtime_put(dev); + pm_runtime_disable(dev); return ret; } @@ -473,6 +479,8 @@ static int gpio_rcar_remove(struct platform_device *pdev) return ret; irq_domain_remove(p->irq_domain); + pm_runtime_put(&pdev->dev); + pm_runtime_disable(&pdev->dev); return 0; } |