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| author | Rajendra Nayak <rnayak@ti.com> | 2010-12-22 08:37:28 +0300 |
|---|---|---|
| committer | Paul Walmsley <paul@pwsan.com> | 2010-12-22 08:37:28 +0300 |
| commit | 33de32b3ebcb4f7f77f10a1b42493352f00c6a30 (patch) | |
| tree | 2c42a59ecd2b5251f3a3e36ba5d0f429779bb17c /arch/arm/mach-omap2/pm.c | |
| parent | 71a488dbcc4acbc9b845491a368b30ecd7484089 (diff) | |
| download | linux-33de32b3ebcb4f7f77f10a1b42493352f00c6a30.tar.xz | |
OMAP4: PM: Do not assume clkdm supports hw transitions
omap_set_pwrdm_state today assumes a clkdm supports hw_auto
transitions and hence leaves some which do not support this
in sw wkup state preventing low power transitions.
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Benoit Cousson <b-cousson@ti.com>
Acked-by: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Diffstat (limited to 'arch/arm/mach-omap2/pm.c')
| -rw-r--r-- | arch/arm/mach-omap2/pm.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/arm/mach-omap2/pm.c b/arch/arm/mach-omap2/pm.c index a2b826cdfbf6..9b1db592759f 100644 --- a/arch/arm/mach-omap2/pm.c +++ b/arch/arm/mach-omap2/pm.c @@ -95,8 +95,7 @@ static void omap2_init_processor_devices(void) /* * This sets pwrdm state (other than mpu & core. Currently only ON & - * RET are supported. Function is assuming that clkdm doesn't have - * hw_sup mode enabled. + * RET are supported. */ int omap_set_pwrdm_state(struct powerdomain *pwrdm, u32 state) { @@ -137,7 +136,10 @@ int omap_set_pwrdm_state(struct powerdomain *pwrdm, u32 state) switch (sleep_switch) { case FORCEWAKEUP_SWITCH: - omap2_clkdm_allow_idle(pwrdm->pwrdm_clkdms[0]); + if (pwrdm->pwrdm_clkdms[0]->flags & CLKDM_CAN_ENABLE_AUTO) + omap2_clkdm_allow_idle(pwrdm->pwrdm_clkdms[0]); + else + omap2_clkdm_sleep(pwrdm->pwrdm_clkdms[0]); break; case LOWPOWERSTATE_SWITCH: pwrdm_set_lowpwrstchange(pwrdm); |