[PATCH] intel_idle: Make the auto-demotion flag generic

From: Srinidhi Kasagar
Date: Wed Feb 25 2015 - 01:32:42 EST


Disabling core and module C6 auto-demotion helps other Intel
platforms other than just Baytrail.

Signed-off-by: Srinidhi Kasagar <srinidhi.kasagar@xxxxxxxxx>
---
drivers/idle/intel_idle.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c
index 9cceacb92f9d..c99a099a9cdc 100644
--- a/drivers/idle/intel_idle.c
+++ b/drivers/idle/intel_idle.c
@@ -89,7 +89,7 @@ struct idle_cpu {
* Indicate which enable bits to clear here.
*/
unsigned long auto_demotion_disable_flags;
- bool byt_auto_demotion_disable_flag;
+ bool auto_demotion_disable_flag;
bool disable_promotion_to_c1e;
};

@@ -674,7 +674,7 @@ static const struct idle_cpu idle_cpu_snb = {
static const struct idle_cpu idle_cpu_byt = {
.state_table = byt_cstates,
.disable_promotion_to_c1e = true,
- .byt_auto_demotion_disable_flag = true,
+ .auto_demotion_disable_flag = true,
};

static const struct idle_cpu idle_cpu_ivb = {
@@ -884,7 +884,7 @@ static int __init intel_idle_cpuidle_driver_init(void)
if (icpu->auto_demotion_disable_flags)
on_each_cpu(auto_demotion_disable, NULL, 1);

- if (icpu->byt_auto_demotion_disable_flag) {
+ if (icpu->auto_demotion_disable_flag) {
wrmsrl(MSR_CC6_DEMOTION_POLICY_CONFIG, 0);
wrmsrl(MSR_MC6_DEMOTION_POLICY_CONFIG, 0);
}
--
1.7.9.5


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