Chanwoo Choi wrote: > > Signed-off-by: Chanwoo Choi <cw00.choi@xxxxxxxxxxx> > Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx> > --- > arch/arm/mach-exynos4/Makefile | 2 +- > arch/arm/mach-exynos4/pm-runtime.c | 56 ++++++++++++++++++++++++++++++++++++ > 2 files changed, 57 insertions(+), 1 deletions(-) > create mode 100644 arch/arm/mach-exynos4/pm-runtime.c > > diff --git a/arch/arm/mach-exynos4/Makefile b/arch/arm/mach-exynos4/Makefile > index 97c31ce..28cdb8b 100644 > --- a/arch/arm/mach-exynos4/Makefile > +++ b/arch/arm/mach-exynos4/Makefile > @@ -5,7 +5,7 @@ > # > # Licensed under GPLv2 > > -obj-y := > +obj-y := pm-runtime.o To move under depending CONFIG_ARCH_EXYNOS4 like others is better. > obj-m := > obj-n := > obj- := > diff --git a/arch/arm/mach-exynos4/pm-runtime.c b/arch/arm/mach-exynos4/pm-runtime.c > new file mode 100644 > index 0000000..4fe9f73 > --- /dev/null > +++ b/arch/arm/mach-exynos4/pm-runtime.c > @@ -0,0 +1,56 @@ > +/* linux/arch/arm/mach-exynos4/pm-runtime.c > + > + * Exynos4210 Power management support > + * > + * Copyright (c) 2011 Samsung Electronics Co., Ltd. > + * http://www.samsung.com > + * > + * This program is free software; you can redistribute it and/or modify > + * it under the terms of the GNU General Public License version 2 as > + * published by the Free Software Foundation. > +*/ > + > +#include <linux/init.h> > +#include <linux/kernel.h> > +#include <linux/io.h> > +#include <linux/pm_runtime.h> > +#include <linux/platform_device.h> > +#include <linux/clk.h> > +#include <linux/bitmap.h> > +#include <linux/slab.h> > + > +#ifdef CONFIG_PM_RUNTIME > + > +static int default_platform_runtime_idle(struct device *dev) > +{ > + return pm_runtime_suspend(dev); > +} > + > +static struct dev_pm_domain default_pm_domain = { > + .ops = { > + .runtime_suspend = pm_clk_suspend, > + .runtime_resume = pm_clk_resume, > + .runtime_idle = default_platform_runtime_idle, > + USE_PLATFORM_PM_SLEEP_OPS > + }, > +}; > + > +#define DEFAULT_PM_DOMAIN_PTR (&default_pm_domain) > + > +#else > + > +#define DEFAULT_PM_DOMAIN_PTR NULL > + > +#endif /* CONFIG_PM_RUNTIME */ > + > +static struct pm_clk_notifier_block platform_bus_notifier = { > + .pm_domain = DEFAULT_PM_DOMAIN_PTR, > + .con_ids = { NULL, }, > +}; > + > +static int __init exynos4_pm_runtime_init(void) > +{ > + pm_clk_add_notifier(&platform_bus_type, &platform_bus_notifier); > + return 0; > +} > +core_initcall(exynos4_pm_runtime_init); > -- > 1.7.0.4 How about to make common stuff in ARM instead of each platform has their own... I think you can consolidate this pm_runtime with other ARM platform like omap, shmobile. arch/arm/mach-omap1/pm_bus.c arch/arm/mach-shmobile/pm_runtime.c Thanks. Best regards, Kgene. -- Kukjin Kim <kgene.kim@xxxxxxxxxxx>, Senior Engineer, SW Solution Development Team, Samsung Electronics Co., Ltd. -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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