diff options
| author | Paul Mundt <lethal@linux-sh.org> | 2011-03-23 19:05:18 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2011-03-23 19:05:18 +0900 |
| commit | d4cc183f7b9f639a048291e9cd95f0c255664b98 (patch) | |
| tree | 6d24821767095940196d3e1c37b2ea4b76ec7d54 /arch/sh/mm/pmb.c | |
| parent | a696b89c582e3201ef10bfb0d0b3594e29b75e0f (diff) | |
sh: pmb: Use struct syscore_ops instead of sysdevs
This converts the PMB code over to use the new syscore_ops and kills off
the old sysdev utilization, as per Rafael's example.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/mm/pmb.c')
| -rw-r--r-- | arch/sh/mm/pmb.c | 43 |
1 files changed, 14 insertions, 29 deletions
diff --git a/arch/sh/mm/pmb.c b/arch/sh/mm/pmb.c index b20b1b3eee4..fad52f1f681 100644 --- a/arch/sh/mm/pmb.c +++ b/arch/sh/mm/pmb.c @@ -3,7 +3,7 @@ * * Privileged Space Mapping Buffer (PMB) Support. * - * Copyright (C) 2005 - 2010 Paul Mundt + * Copyright (C) 2005 - 2011 Paul Mundt * Copyright (C) 2010 Matt Fleming * * This file is subject to the terms and conditions of the GNU General Public @@ -12,7 +12,7 @@ */ #include <linux/init.h> #include <linux/kernel.h> -#include <linux/sysdev.h> +#include <linux/syscore_ops.h> #include <linux/cpu.h> #include <linux/module.h> #include <linux/bitops.h> @@ -874,46 +874,31 @@ static int __init pmb_debugfs_init(void) subsys_initcall(pmb_debugfs_init); #ifdef CONFIG_PM -static int pmb_sysdev_suspend(struct sys_device *dev, pm_message_t state) +static void pmb_syscore_resume(void) { - static pm_message_t prev_state; + struct pmb_entry *pmbe; int i; - /* Restore the PMB after a resume from hibernation */ - if (state.event == PM_EVENT_ON && - prev_state.event == PM_EVENT_FREEZE) { - struct pmb_entry *pmbe; - - read_lock(&pmb_rwlock); + read_lock(&pmb_rwlock); - for (i = 0; i < ARRAY_SIZE(pmb_entry_list); i++) { - if (test_bit(i, pmb_map)) { - pmbe = &pmb_entry_list[i]; - set_pmb_entry(pmbe); - } + for (i = 0; i < ARRAY_SIZE(pmb_entry_list); i++) { + if (test_bit(i, pmb_map)) { + pmbe = &pmb_entry_list[i]; + set_pmb_entry(pmbe); } - - read_unlock(&pmb_rwlock); } - prev_state = state; - - return 0; -} - -static int pmb_sysdev_resume(struct sys_device *dev) -{ - return pmb_sysdev_suspend(dev, PMSG_ON); + read_unlock(&pmb_rwlock); } -static struct sysdev_driver pmb_sysdev_driver = { - .suspend = pmb_sysdev_suspend, - .resume = pmb_sysdev_resume, +static struct syscore_ops pmb_syscore_ops = { + .resume = pmb_syscore_resume, }; static int __init pmb_sysdev_init(void) { - return sysdev_driver_register(&cpu_sysdev_class, &pmb_sysdev_driver); + register_syscore_ops(&pmb_syscore_ops); + return 0; } subsys_initcall(pmb_sysdev_init); #endif |