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[PATCH v4 07/10] powerpc/powernv: set power_save func after the idle states are initialized

From "Shreyas B. Prabhu" <shreyas@linux.vnet.ibm.com>
Newsgroups linux.kernel
Subject [PATCH v4 07/10] powerpc/powernv: set power_save func after the idle states are initialized
Date 2016-05-24 15:20 +0200
Message-ID <rCkpA-3IP-13@gated-at.bofh.it> (permalink)
References <rCkpz-3IP-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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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

Reviewed-by: Gautham R. Shenoy <ego@linux.vnet.ibm.com>
Signed-off-by: Shreyas B. Prabhu <shreyas@linux.vnet.ibm.com>
---
- No changes since v1

 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 ee6430b..8492bbb 100644
--- a/arch/powerpc/platforms/powernv/setup.c
+++ b/arch/powerpc/platforms/powernv/setup.c
@@ -315,7 +315,7 @@ 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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Thread

[PATCH v4 00/10] powerpc/powernv/cpuidle: Add support for POWER ISA v3 idle states "Shreyas B. Prabhu" <shreyas@linux.vnet.ibm.com> - 2016-05-24 15:20 +0200
  [PATCH v4 01/10] powerpc/powernv: Use PNV_THREAD_WINKLE macro while requesting for winkle "Shreyas B. Prabhu" <shreyas@linux.vnet.ibm.com> - 2016-05-24 15:20 +0200
  [PATCH v4 04/10] powerpc/powernv: Rename reusable idle functions to hardware agnostic names "Shreyas B. Prabhu" <shreyas@linux.vnet.ibm.com> - 2016-05-24 15:20 +0200
  [PATCH v4 05/10] powerpc/powernv: Make pnv_powersave_common more generic "Shreyas B. Prabhu" <shreyas@linux.vnet.ibm.com> - 2016-05-24 15:20 +0200
  [PATCH v4 08/10] powerpc/powernv: Add platform support for stop instruction "Shreyas B. Prabhu" <shreyas@linux.vnet.ibm.com> - 2016-05-24 15:20 +0200
    Re: [PATCH v4 08/10] powerpc/powernv: Add platform support for stop  instruction Gautham R Shenoy <ego@linux.vnet.ibm.com> - 2016-05-25 07:10 +0200
    Re: [PATCH v4 08/10] powerpc/powernv: Add platform support for stop  instruction Ram Pai <linuxram@us.ibm.com> - 2016-05-28 02:10 +0200
      Re: [PATCH v4 08/10] powerpc/powernv: Add platform support for stop  instruction Shreyas B Prabhu <shreyas@linux.vnet.ibm.com> - 2016-05-30 18:30 +0200
  [PATCH v4 07/10] powerpc/powernv: set power_save func after the idle states are initialized "Shreyas B. Prabhu" <shreyas@linux.vnet.ibm.com> - 2016-05-24 15:20 +0200
  [PATCH v4 02/10] powerpc/kvm: make hypervisor state restore a function "Shreyas B. Prabhu" <shreyas@linux.vnet.ibm.com> - 2016-05-24 15:20 +0200
  [PATCH v4 03/10] powerpc/powernv: Rename idle_power7.S to idle_power_common.S "Shreyas B. Prabhu" <shreyas@linux.vnet.ibm.com> - 2016-05-24 15:20 +0200
  [PATCH v4 06/10] powerpc/powernv: abstraction for saving SPRs before entering deep idle states "Shreyas B. Prabhu" <shreyas@linux.vnet.ibm.com> - 2016-05-24 15:20 +0200
  [PATCH v4 09/10] cpuidle/powernv: Add support for POWER ISA v3 idle states "Shreyas B. Prabhu" <shreyas@linux.vnet.ibm.com> - 2016-05-24 15:20 +0200
    Re: [PATCH v4 09/10] cpuidle/powernv: Add support for POWER ISA v3  idle states Daniel Lezcano <daniel.lezcano@linaro.org> - 2016-05-30 16:30 +0200

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