From 8c5ca4d29bf44eb4eb004683ca745742040c7486 Mon Sep 17 00:00:00 2001 From: Santosh Shilimkar Date: Fri, 11 Feb 2011 20:42:12 +0530 Subject: [PATCH] omap3: cpuidle: Add description field to each C-state. Add a description field to each idle C-state. This helps to give better data with PowerTop and one don't have to refer to the code to link what Cx means from system point of view while analysing PowerTop data. No functional change. Signed-off-by: Santosh Shilimkar Cc: Kevin Hilman Signed-off-by: Kevin Hilman --- arch/arm/mach-omap2/cpuidle34xx.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/arch/arm/mach-omap2/cpuidle34xx.c b/arch/arm/mach-omap2/cpuidle34xx.c index 876eeca..cba437d 100644 --- a/arch/arm/mach-omap2/cpuidle34xx.c +++ b/arch/arm/mach-omap2/cpuidle34xx.c @@ -58,6 +58,7 @@ struct omap3_processor_cx { u32 core_state; u32 threshold; u32 flags; + const char *desc; }; struct omap3_processor_cx omap3_power_states[OMAP3_MAX_STATES]; @@ -365,6 +366,7 @@ void omap_init_power_states(void) omap3_power_states[OMAP3_STATE_C1].mpu_state = PWRDM_POWER_ON; omap3_power_states[OMAP3_STATE_C1].core_state = PWRDM_POWER_ON; omap3_power_states[OMAP3_STATE_C1].flags = CPUIDLE_FLAG_TIME_VALID; + omap3_power_states[OMAP3_STATE_C1].desc = "MPU ON + CORE ON"; /* C2 . MPU WFI + Core inactive */ omap3_power_states[OMAP3_STATE_C2].valid = @@ -380,6 +382,7 @@ void omap_init_power_states(void) omap3_power_states[OMAP3_STATE_C2].core_state = PWRDM_POWER_ON; omap3_power_states[OMAP3_STATE_C2].flags = CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_CHECK_BM; + omap3_power_states[OMAP3_STATE_C2].desc = "MPU ON + CORE ON"; /* C3 . MPU CSWR + Core inactive */ omap3_power_states[OMAP3_STATE_C3].valid = @@ -395,6 +398,7 @@ void omap_init_power_states(void) omap3_power_states[OMAP3_STATE_C3].core_state = PWRDM_POWER_ON; omap3_power_states[OMAP3_STATE_C3].flags = CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_CHECK_BM; + omap3_power_states[OMAP3_STATE_C3].desc = "MPU RET + CORE ON"; /* C4 . MPU OFF + Core inactive */ omap3_power_states[OMAP3_STATE_C4].valid = @@ -410,6 +414,7 @@ void omap_init_power_states(void) omap3_power_states[OMAP3_STATE_C4].core_state = PWRDM_POWER_ON; omap3_power_states[OMAP3_STATE_C4].flags = CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_CHECK_BM; + omap3_power_states[OMAP3_STATE_C4].desc = "MPU OFF + CORE ON"; /* C5 . MPU CSWR + Core CSWR*/ omap3_power_states[OMAP3_STATE_C5].valid = @@ -425,6 +430,7 @@ void omap_init_power_states(void) omap3_power_states[OMAP3_STATE_C5].core_state = PWRDM_POWER_RET; omap3_power_states[OMAP3_STATE_C5].flags = CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_CHECK_BM; + omap3_power_states[OMAP3_STATE_C5].desc = "MPU RET + CORE RET"; /* C6 . MPU OFF + Core CSWR */ omap3_power_states[OMAP3_STATE_C6].valid = @@ -440,6 +446,7 @@ void omap_init_power_states(void) omap3_power_states[OMAP3_STATE_C6].core_state = PWRDM_POWER_RET; omap3_power_states[OMAP3_STATE_C6].flags = CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_CHECK_BM; + omap3_power_states[OMAP3_STATE_C6].desc = "MPU OFF + CORE RET"; /* C7 . MPU OFF + Core OFF */ omap3_power_states[OMAP3_STATE_C7].valid = @@ -455,6 +462,7 @@ void omap_init_power_states(void) omap3_power_states[OMAP3_STATE_C7].core_state = PWRDM_POWER_OFF; omap3_power_states[OMAP3_STATE_C7].flags = CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_CHECK_BM; + omap3_power_states[OMAP3_STATE_C7].desc = "MPU OFF + CORE OFF"; /* * Erratum i583: implementation for ES rev < Es1.2 on 3630. We cannot @@ -512,6 +520,7 @@ int __init omap3_idle_init(void) if (cx->type == OMAP3_STATE_C1) dev->safe_state = state; sprintf(state->name, "C%d", count+1); + strncpy(state->desc, cx->desc, CPUIDLE_DESC_LEN); count++; } -- 2.7.4