Thread (26 messages) 26 messages, 3 authors, 2016-05-20

Re: [PATCH v2 6/9] powerpc/powernv: set power_save func after the idle states are initialized

From: Gautham R Shenoy <hidden>
Date: 2016-05-18 06:45:22
Also in: lkml

On Tue, May 03, 2016 at 01:54:35PM +0530, Shreyas B. Prabhu wrote:
pnv_init_idle_states discovers supported idle states from the
device tree and does the required initialization. Set power_save
function pointer only after this initialization is done

Signed-off-by: Shreyas B. Prabhy <redacted>
Reviewed-by: Gautham R. Shenoy <redacted>
quoted hunk ↗ jump to hunk
---
 arch/powerpc/platforms/powernv/idle.c  | 3 +++
 arch/powerpc/platforms/powernv/setup.c | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/arch/powerpc/platforms/powernv/idle.c b/arch/powerpc/platforms/powernv/idle.c
index fcc8b68..fbb09fb 100644
--- a/arch/powerpc/platforms/powernv/idle.c
+++ b/arch/powerpc/platforms/powernv/idle.c
@@ -285,6 +285,9 @@ static int __init pnv_init_idle_states(void)
 	}

 	pnv_alloc_idle_core_states();
+
+	if (supported_cpuidle_states & OPAL_PM_NAP_ENABLED)
+		ppc_md.power_save = power7_idle;
 out_free:
 	kfree(flags);
 out:
diff --git a/arch/powerpc/platforms/powernv/setup.c b/arch/powerpc/platforms/powernv/setup.c
index 1acb0c7..c9685b6 100644
--- a/arch/powerpc/platforms/powernv/setup.c
+++ b/arch/powerpc/platforms/powernv/setup.c
@@ -312,7 +312,7 @@ define_machine(powernv) {
 	.get_proc_freq          = pnv_get_proc_freq,
 	.progress		= pnv_progress,
 	.machine_shutdown	= pnv_shutdown,
-	.power_save             = power7_idle,
+	.power_save             = NULL,
 	.calibrate_decr		= generic_calibrate_decr,
 #ifdef CONFIG_KEXEC
 	.kexec_cpu_down		= pnv_kexec_cpu_down,
-- 
2.4.11
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