diff mbox

[08/17] ARM: exynos: cpuidle: Move scu_enable in the cpu_pm notifier

Message ID 1396597683-6969-9-git-send-email-daniel.lezcano@linaro.org (mailing list archive)
State New, archived
Headers show

Commit Message

Daniel Lezcano April 4, 2014, 7:47 a.m. UTC
We make the cpuidle code less arch dependent.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
---
 arch/arm/mach-exynos/cpuidle.c |    6 ------
 arch/arm/mach-exynos/pm.c      |    3 +++
 2 files changed, 3 insertions(+), 6 deletions(-)

Comments

Viresh Kumar April 4, 2014, 8:57 a.m. UTC | #1
On 4 April 2014 13:17, Daniel Lezcano <daniel.lezcano@linaro.org> wrote:
> We make the cpuidle code less arch dependent.
>
> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
> ---
>  arch/arm/mach-exynos/cpuidle.c |    6 ------
>  arch/arm/mach-exynos/pm.c      |    3 +++
>  2 files changed, 3 insertions(+), 6 deletions(-)
>
> diff --git a/arch/arm/mach-exynos/cpuidle.c b/arch/arm/mach-exynos/cpuidle.c
> index 4b090cf..c63ad05 100644
> --- a/arch/arm/mach-exynos/cpuidle.c
> +++ b/arch/arm/mach-exynos/cpuidle.c
> @@ -18,7 +18,6 @@
>  #include <linux/platform_device.h>
>
>  #include <asm/proc-fns.h>
> -#include <asm/smp_scu.h>
>  #include <asm/suspend.h>
>  #include <asm/unified.h>
>  #include <asm/cpuidle.h>
> @@ -94,11 +93,6 @@ static int exynos_enter_core0_aftr(struct cpuidle_device *dev,
>
>         cpu_pm_enter();
>         cpu_suspend(0, idle_finisher);
> -
> -#ifdef CONFIG_SMP
> -       if (!soc_is_exynos5250())
> -               scu_enable(S5P_VA_SCU);
> -#endif
>         cpu_pm_exit();
>
>         /*
> diff --git a/arch/arm/mach-exynos/pm.c b/arch/arm/mach-exynos/pm.c
> index b2a075e..f43a004 100644
> --- a/arch/arm/mach-exynos/pm.c
> +++ b/arch/arm/mach-exynos/pm.c
> @@ -386,6 +386,9 @@ static int exynos_cpu_pm_notifier(struct notifier_block *self,
>                 break;
>
>         case CPU_PM_EXIT:
> +#ifdef CONFIG_SMP
> +               scu_enable(S5P_VA_SCU);

We used to do this only when: !soc_is_exynos5250().
Why this changed?

> +#endif

You don't need these #ifdefs here.. How would you reach here on a non
SMP system?

>                 exynos_cpu_restore_register();
>                 break;
>         }
> --
> 1.7.9.5
>
>
> _______________________________________________
> linaro-kernel mailing list
> linaro-kernel@lists.linaro.org
> http://lists.linaro.org/mailman/listinfo/linaro-kernel
--
To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Daniel Lezcano April 4, 2014, 9:03 a.m. UTC | #2
On 04/04/2014 10:57 AM, Viresh Kumar wrote:
> On 4 April 2014 13:17, Daniel Lezcano <daniel.lezcano@linaro.org> wrote:
>> We make the cpuidle code less arch dependent.
>>
>> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
>> ---
>>   arch/arm/mach-exynos/cpuidle.c |    6 ------
>>   arch/arm/mach-exynos/pm.c      |    3 +++
>>   2 files changed, 3 insertions(+), 6 deletions(-)
>>
>> diff --git a/arch/arm/mach-exynos/cpuidle.c b/arch/arm/mach-exynos/cpuidle.c
>> index 4b090cf..c63ad05 100644
>> --- a/arch/arm/mach-exynos/cpuidle.c
>> +++ b/arch/arm/mach-exynos/cpuidle.c
>> @@ -18,7 +18,6 @@
>>   #include <linux/platform_device.h>
>>
>>   #include <asm/proc-fns.h>
>> -#include <asm/smp_scu.h>
>>   #include <asm/suspend.h>
>>   #include <asm/unified.h>
>>   #include <asm/cpuidle.h>
>> @@ -94,11 +93,6 @@ static int exynos_enter_core0_aftr(struct cpuidle_device *dev,
>>
>>          cpu_pm_enter();
>>          cpu_suspend(0, idle_finisher);
>> -
>> -#ifdef CONFIG_SMP
>> -       if (!soc_is_exynos5250())
>> -               scu_enable(S5P_VA_SCU);
>> -#endif
>>          cpu_pm_exit();
>>
>>          /*
>> diff --git a/arch/arm/mach-exynos/pm.c b/arch/arm/mach-exynos/pm.c
>> index b2a075e..f43a004 100644
>> --- a/arch/arm/mach-exynos/pm.c
>> +++ b/arch/arm/mach-exynos/pm.c
>> @@ -386,6 +386,9 @@ static int exynos_cpu_pm_notifier(struct notifier_block *self,
>>                  break;
>>
>>          case CPU_PM_EXIT:
>> +#ifdef CONFIG_SMP
>> +               scu_enable(S5P_VA_SCU);
>
> We used to do this only when: !soc_is_exynos5250().
> Why this changed?

Because the pm_notifier is registered if !soc_is_exynos5250()

>> +#endif
>
> You don't need these #ifdefs here.. How would you reach here on a non
> SMP system?
>
>>                  exynos_cpu_restore_register();
>>                  break;
>>          }
>> --
>> 1.7.9.5
>>
>>
>> _______________________________________________
>> linaro-kernel mailing list
>> linaro-kernel@lists.linaro.org
>> http://lists.linaro.org/mailman/listinfo/linaro-kernel
diff mbox

Patch

diff --git a/arch/arm/mach-exynos/cpuidle.c b/arch/arm/mach-exynos/cpuidle.c
index 4b090cf..c63ad05 100644
--- a/arch/arm/mach-exynos/cpuidle.c
+++ b/arch/arm/mach-exynos/cpuidle.c
@@ -18,7 +18,6 @@ 
 #include <linux/platform_device.h>
 
 #include <asm/proc-fns.h>
-#include <asm/smp_scu.h>
 #include <asm/suspend.h>
 #include <asm/unified.h>
 #include <asm/cpuidle.h>
@@ -94,11 +93,6 @@  static int exynos_enter_core0_aftr(struct cpuidle_device *dev,
 
 	cpu_pm_enter();
 	cpu_suspend(0, idle_finisher);
-
-#ifdef CONFIG_SMP
-	if (!soc_is_exynos5250())
-		scu_enable(S5P_VA_SCU);
-#endif
 	cpu_pm_exit();
 
 	/*
diff --git a/arch/arm/mach-exynos/pm.c b/arch/arm/mach-exynos/pm.c
index b2a075e..f43a004 100644
--- a/arch/arm/mach-exynos/pm.c
+++ b/arch/arm/mach-exynos/pm.c
@@ -386,6 +386,9 @@  static int exynos_cpu_pm_notifier(struct notifier_block *self,
 		break;
 
 	case CPU_PM_EXIT:
+#ifdef CONFIG_SMP
+		scu_enable(S5P_VA_SCU);
+#endif
 		exynos_cpu_restore_register();
 		break;
 	}