diff options
author | David S. Miller <davem@davemloft.net> | 2011-11-21 13:50:33 -0500 |
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committer | David S. Miller <davem@davemloft.net> | 2011-11-21 13:50:33 -0500 |
commit | efd0bf97deeddd9ba53daabfc470a1399c6b0b2d (patch) | |
tree | eec56da5fbc796bac7c67f1990a18f5e0a304059 /drivers/sh/pm_runtime.c | |
parent | f8a15af093b19b86d56933c8757cee298d0f32a8 (diff) | |
parent | 6fe4c6d466e95d31164f14b1ac4aefb51f0f4f82 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
The forcedeth changes had a conflict with the conversion over
to atomic u64 statistics in net-next.
The libertas cfg.c code had a conflict with the bss reference
counting fix by John Linville in net-next.
Conflicts:
drivers/net/ethernet/nvidia/forcedeth.c
drivers/net/wireless/libertas/cfg.c
Diffstat (limited to 'drivers/sh/pm_runtime.c')
-rw-r--r-- | drivers/sh/pm_runtime.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/drivers/sh/pm_runtime.c b/drivers/sh/pm_runtime.c new file mode 100644 index 000000000000..afe9282629b9 --- /dev/null +++ b/drivers/sh/pm_runtime.c @@ -0,0 +1,65 @@ +/* + * Runtime PM support code + * + * Copyright (C) 2009-2010 Magnus Damm + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ + +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/io.h> +#include <linux/pm_runtime.h> +#include <linux/pm_domain.h> +#include <linux/pm_clock.h> +#include <linux/platform_device.h> +#include <linux/clk.h> +#include <linux/sh_clk.h> +#include <linux/bitmap.h> +#include <linux/slab.h> + +#ifdef CONFIG_PM_RUNTIME + +static int default_platform_runtime_idle(struct device *dev) +{ + /* suspend synchronously to disable clocks immediately */ + 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 sh_pm_runtime_init(void) +{ + pm_clk_add_notifier(&platform_bus_type, &platform_bus_notifier); + return 0; +} +core_initcall(sh_pm_runtime_init); + +static int __init sh_pm_runtime_late_init(void) +{ + pm_genpd_poweroff_unused(); + return 0; +} +late_initcall(sh_pm_runtime_late_init); |