We only need to call the pre/post transtion methods when we know the
power state is changing. First, split up the pre/post transition
calls to be per-powerdomain, and then make them conditional on whether
the power domain is actually changing states.
Signed-off-by: Kevin Hilman <khil...@ti.com>
---
arch/arm/mach-omap2/pm34xx.c | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index 2451b90..74a7f8c 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -307,16 +307,19 @@ void omap_sram_idle(void)
omap3_enable_io_chain();
}
- pwrdm_pre_transition(NULL);
+ if (mpu_next_state < PWRDM_POWER_ON)
+ pwrdm_pre_transition(mpu_pwrdm);
/* PER */
if (per_next_state < PWRDM_POWER_ON) {
+ pwrdm_pre_transition(per_pwrdm);
per_going_off = (per_next_state == PWRDM_POWER_OFF) ? 1 : 0;
omap2_gpio_prepare_for_idle(per_going_off);
}
/* CORE */
if (core_next_state < PWRDM_POWER_ON) {
+ pwrdm_pre_transition(core_pwrdm);
if (core_next_state == PWRDM_POWER_OFF) {
omap3_core_save_context();
omap3_cm_save_context();
@@ -369,15 +372,15 @@ void omap_sram_idle(void)
omap2_prm_clear_mod_reg_bits(OMAP3430_AUTO_OFF_MASK,
OMAP3430_GR_MOD,
OMAP3_PRM_VOLTCTRL_OFFSET);
+ pwrdm_post_transition(core_pwrdm);
}
omap3_intc_resume_idle();
- pwrdm_post_transition(NULL);
-
/* PER */
if (per_next_state < PWRDM_POWER_ON) {
per_prev_state = pwrdm_read_prev_pwrst(per_pwrdm);
omap2_gpio_resume_after_idle();
+ pwrdm_post_transition(per_pwrdm);
}
/* Disable IO-PAD and IO-CHAIN wakeup */
@@ -390,6 +393,9 @@ void omap_sram_idle(void)
omap3_disable_io_chain();
}
+ if (mpu_next_state < PWRDM_POWER_ON)
+ pwrdm_post_transition(mpu_pwrdm);
+
clkdm_allow_idle(mpu_pwrdm->pwrdm_clkdms[0]);
}
--
1.7.9.2
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