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Commit 2ee619f9 authored by Rafael J. Wysocki's avatar Rafael J. Wysocki
Browse files

PM / shmobile: Make TMU driver use pm_genpd_dev_always_on() 



Make the TMU clocksource driver mark its device as "always on"
using pm_genpd_dev_always_on() to protect it from surprise power
removals and make sh7372_add_standard_devices() add TMU devices on
sh7372 to the A4R power domain so that their "always on" flags
are taken into account as appropriate.

Signed-off-by: default avatarRafael J. Wysocki <rjw@sisk.pl>
Tested-by: default avatarSimon Horman <horms@verge.net.au>
Acked-by: default avatarPaul Mundt <lethal@linux-sh.org>
Cc: stable@vger.kernel.org
parent 1e78a0c7

arch/arm/mach-shmobile/setup-sh7372.c

+2 −0
Original line number Diff line number Diff line
@@ -1041,6 +1041,8 @@ void __init sh7372_add_standard_devices(void) 
	sh7372_add_device_to_domain(&sh7372_a4r, &veu2_device);

	sh7372_add_device_to_domain(&sh7372_a4r, &veu3_device);

	sh7372_add_device_to_domain(&sh7372_a4r, &jpu_device);

	sh7372_add_device_to_domain(&sh7372_a4r, &tmu00_device);

	sh7372_add_device_to_domain(&sh7372_a4r, &tmu01_device);

}



void __init sh7372_add_early_devices(void)

drivers/clocksource/sh_tmu.c

+4 −0
Original line number Diff line number Diff line
@@ -32,6 +32,7 @@ 
#include <linux/sh_timer.h>

#include <linux/slab.h>

#include <linux/module.h>

#include <linux/pm_domain.h>



struct sh_tmu_priv {

	void __iomem *mapbase;
@@ -410,6 +411,9 @@ static int __devinit sh_tmu_probe(struct platform_device *pdev) 
	struct sh_tmu_priv *p = platform_get_drvdata(pdev);

	int ret;



	if (!is_early_platform_device(pdev))

		pm_genpd_dev_always_on(&pdev->dev, true);



	if (p) {

		dev_info(&pdev->dev, "kept as earlytimer\n");

		return 0;