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Commit df0c6c80 authored by Geert Uytterhoeven's avatar Geert Uytterhoeven Committed by Linus Walleij
Browse files

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: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
Cc: linux-gpio@vger.kernel.org
Acked-by: default avatarLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent 9288ecad

drivers/gpio/gpio-rcar.c

+8 −0
Original line number Diff line number Diff line
@@ -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;

}