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| author | Tero Kristo <tero.kristo@nokia.com> | 2011-03-10 11:50:54 +0100 |
|---|---|---|
| committer | Paul Walmsley <paul@pwsan.com> | 2011-03-10 11:50:54 +0100 |
| commit | 4ce1e5e14c4ea43f971bd546934ef40b3ae4fcf3 (patch) | |
| tree | 90aa4015520e95130f73bd223488119d7c3d9839 /arch/arm/plat-omap/dmtimer.c | |
| parent | Linux 2.6.38-rc7 (diff) | |
| download | linux-4ce1e5e14c4ea43f971bd546934ef40b3ae4fcf3.tar.xz linux-4ce1e5e14c4ea43f971bd546934ef40b3ae4fcf3.zip | |
omap2/3: dmtimer: Enable autoidle
This saves some power. OMAP4 version should check for GPT module ID, as
autoidle is only supported on a subset of these.
Signed-off-by: Tero Kristo <tero.kristo@nokia.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Diffstat (limited to 'arch/arm/plat-omap/dmtimer.c')
| -rw-r--r-- | arch/arm/plat-omap/dmtimer.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm/plat-omap/dmtimer.c b/arch/arm/plat-omap/dmtimer.c index 1d706cf63ca0..ee9f6ebba29b 100644 --- a/arch/arm/plat-omap/dmtimer.c +++ b/arch/arm/plat-omap/dmtimer.c @@ -342,6 +342,10 @@ static void omap_dm_timer_reset(struct omap_dm_timer *timer) l |= 0x02 << 3; /* Set to smart-idle mode */ l |= 0x2 << 8; /* Set clock activity to perserve f-clock on idle */ + /* Enable autoidle on OMAP2 / OMAP3 */ + if (cpu_is_omap24xx() || cpu_is_omap34xx()) + l |= 0x1 << 0; + /* * Enable wake-up on OMAP2 CPUs. */ |