diff options
author | Tero Kristo <tero.kristo@nokia.com> | 2008-11-26 12:26:24 +0200 |
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committer | Kevin Hilman <khilman@deeprootsystems.com> | 2009-09-02 15:08:25 -0700 |
commit | 68d4778c701b7e22ddfd64e3afb6628c92718ad2 (patch) | |
tree | c61556bd625a4c62f4429d00088f7abbae2d5a52 /arch/arm/mach-omap2/pm-debug.c | |
parent | 2811d6b3237c9b77007a6b2b10ee5b576da0574e (diff) | |
download | linux-68d4778c701b7e22ddfd64e3afb6628c92718ad2.tar.bz2 |
OMAP: PM: Added suspend target state control to debugfs for OMAP3
Target state can be read / programmed via files under:
[debugfs]/pm_debug/[pwrdm]/suspend
Signed-off-by: Tero Kristo <tero.kristo@nokia.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Diffstat (limited to 'arch/arm/mach-omap2/pm-debug.c')
-rw-r--r-- | arch/arm/mach-omap2/pm-debug.c | 31 |
1 files changed, 29 insertions, 2 deletions
diff --git a/arch/arm/mach-omap2/pm-debug.c b/arch/arm/mach-omap2/pm-debug.c index 982aa67f2685..1b4c1600f8d8 100644 --- a/arch/arm/mach-omap2/pm-debug.c +++ b/arch/arm/mach-omap2/pm-debug.c @@ -24,6 +24,7 @@ #include <linux/clk.h> #include <linux/err.h> #include <linux/io.h> +#include <linux/module.h> #include <mach/clock.h> #include <mach/board.h> @@ -484,10 +485,28 @@ int pm_dbg_regset_init(int reg_set) return 0; } -static int __init pwrdms_setup(struct powerdomain *pwrdm, void *unused) +static int pwrdm_suspend_get(void *data, u64 *val) +{ + *val = omap3_pm_get_suspend_state((struct powerdomain *)data); + + if (*val >= 0) + return 0; + return *val; +} + +static int pwrdm_suspend_set(void *data, u64 val) +{ + return omap3_pm_set_suspend_state((struct powerdomain *)data, (int)val); +} + +DEFINE_SIMPLE_ATTRIBUTE(pwrdm_suspend_fops, pwrdm_suspend_get, + pwrdm_suspend_set, "%llu\n"); + +static int __init pwrdms_setup(struct powerdomain *pwrdm, void *dir) { int i; s64 t; + struct dentry *d; t = sched_clock(); @@ -496,6 +515,14 @@ static int __init pwrdms_setup(struct powerdomain *pwrdm, void *unused) pwrdm->timer = t; + if (strncmp(pwrdm->name, "dpll", 4) == 0) + return 0; + + d = debugfs_create_dir(pwrdm->name, (struct dentry *)dir); + + (void) debugfs_create_file("suspend", S_IRUGO|S_IWUSR, d, + (void *)pwrdm, &pwrdm_suspend_fops); + return 0; } @@ -524,7 +551,7 @@ static int __init pm_dbg_init(void) (void) debugfs_create_file("time", S_IRUGO, d, (void *)DEBUG_FILE_TIMERS, &debug_fops); - pwrdm_for_each(pwrdms_setup, NULL); + pwrdm_for_each(pwrdms_setup, (void *)d); pm_dbg_dir = debugfs_create_dir("registers", d); if (IS_ERR(pm_dbg_dir)) |