linux-kernel - [PATCH 3.12 04/41] intel_idle: Fixed C6 state on Avoton/Rangeley processors

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Date:	Thu,  3 Apr 2014 10:53:30 +0200
From:	Jiri Slaby <jslaby@...e.cz>
To:	stable@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org,
	Bockholdt Arne <a.bockholdt@...citec-optronik.de>,
	Arne Bockholdt <linux-kernel@...kholdt.com>,
	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
	Jiri Slaby <jslaby@...e.cz>
Subject: [PATCH 3.12 04/41] intel_idle: Fixed C6 state on Avoton/Rangeley processors

From: Bockholdt Arne <a.bockholdt@...citec-optronik.de>

3.12-stable review patch.  If anyone has any objections, please let me know.

===============

commit 22e580d07f6529a395c129575127ea6d860aed3a upstream.

Corrected the MWAIT flag for C-State C6 on Intel Avoton/Rangeley processors.

Signed-off-by: Arne Bockholdt <linux-kernel@...kholdt.com>
Acked-by: Len Brown <len.brown@...el.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
Signed-off-by: Jiri Slaby <jslaby@...e.cz>
---
 drivers/idle/intel_idle.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c
index 000d370519d9..53235814ea0f 100644
--- a/drivers/idle/intel_idle.c
+++ b/drivers/idle/intel_idle.c
@@ -329,7 +329,7 @@ static struct cpuidle_state atom_cstates[CPUIDLE_STATE_MAX] = {
 	{
 		.enter = NULL }
 };
-static struct cpuidle_state avn_cstates[CPUIDLE_STATE_MAX] = {
+static struct cpuidle_state avn_cstates[] __initdata = {
 	{
 		.name = "C1-AVN",
 		.desc = "MWAIT 0x00",
@@ -340,7 +340,7 @@ static struct cpuidle_state avn_cstates[CPUIDLE_STATE_MAX] = {
 	{
 		.name = "C6-AVN",
 		.desc = "MWAIT 0x51",
-		.flags = MWAIT2flg(0x58) | CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_TLB_FLUSHED,
+		.flags = MWAIT2flg(0x51) | CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_TLB_FLUSHED,
 		.exit_latency = 15,
 		.target_residency = 45,
 		.enter = &intel_idle },
-- 
1.9.1

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