diff options
| author | Nishanth Menon <nm@ti.com> | 2011-02-14 16:44:17 +0100 |
|---|---|---|
| committer | Kevin Hilman <khilman@ti.com> | 2011-06-20 23:12:31 +0200 |
| commit | ac77a6f7a9352d10c4942c24c8fbf61ee54ea196 (patch) | |
| tree | 5d8787b8564c3ede939bfdd12fb54fba1ea76a8c /arch/arm/mach-omap2/smartreflex.c | |
| parent | OMAP3+: SR: disable interrupt by default (diff) | |
| download | linux-ac77a6f7a9352d10c4942c24c8fbf61ee54ea196.tar.xz linux-ac77a6f7a9352d10c4942c24c8fbf61ee54ea196.zip | |
OMAP3+: SR: enable/disable SR only on need
Since we already know the state of the autocomp enablement, we can
see if the requested state is different from the current state and
enable/disable SR only on the need basis.
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
Diffstat (limited to 'arch/arm/mach-omap2/smartreflex.c')
| -rw-r--r-- | arch/arm/mach-omap2/smartreflex.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/arch/arm/mach-omap2/smartreflex.c b/arch/arm/mach-omap2/smartreflex.c index 616ef62b3fa5..3bd9facd8e0d 100644 --- a/arch/arm/mach-omap2/smartreflex.c +++ b/arch/arm/mach-omap2/smartreflex.c @@ -807,10 +807,13 @@ static int omap_sr_autocomp_store(void *data, u64 val) return -EINVAL; } - if (!val) - sr_stop_vddautocomp(sr_info); - else - sr_start_vddautocomp(sr_info); + /* control enable/disable only if there is a delta in value */ + if (sr_info->autocomp_active != val) { + if (!val) + sr_stop_vddautocomp(sr_info); + else + sr_start_vddautocomp(sr_info); + } return 0; } |