[PATCH v3] ARM: SAMSUNG: limit SAMSUNG_PM_DEBUG config option to non-Exynos platforms

[PATCH v3] ARM: SAMSUNG: limit SAMSUNG_PM_DEBUG config option to non-Exynos platforms

[Bartlomiej Zolnierkiewicz]

"Samsung PM Suspend debug" feature (controlled by SAMSUNG_PM_DEBUG
config option) is not working properly (debug messages are not
displayed after resume) on Exynos platforms because GPIOs restore
code is not implemented.

Add PLAT_S3C24XX, ARCH_S3C64XX and ARCH_S5PV210 dependencies to
SAMSUNG_PM_DEBUG config option to hide it on Exynos platforms.
Then convert Exynos code to not require <plat/pm-common.h>
header (use pr_debug() directly instead of S3C_PMDBG() macro and
remove redundant s3c_pm_*() calls).

Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
---
v3:
- don't move PM to the line below in Kconfig

v2:
- convert Exynos code to not require <plat/pm-common.h> header

Should by applied on top of "[PATCH] ARM: EXYNOS: remove no longer
needed s3c_pm_check_*() calls".

 arch/arm/mach-exynos/suspend.c |   14 ++++----------
 arch/arm/plat-samsung/Kconfig  |    1 +
 2 files changed, 5 insertions(+), 10 deletions(-)

Index: b/arch/arm/mach-exynos/suspend.c
===================================================================
--- a/arch/arm/mach-exynos/suspend.c	2018-10-15 17:39:54.628412461 +0200
+++ b/arch/arm/mach-exynos/suspend.c	2018-10-15 17:39:54.624412461 +0200
@@ -30,8 +30,6 @@
 #include <asm/smp_scu.h>
 #include <asm/suspend.h>
 
-#include <plat/pm-common.h>
-
 #include "common.h"
 
 #define REG_TABLE_END (-1U)
@@ -490,11 +488,9 @@ static int exynos_suspend_enter(suspend_
 {
 	int ret;
 
-	s3c_pm_debug_init();
-
-	S3C_PMDBG("%s: suspending the system...\n", __func__);
+	pr_debug("%s: suspending the system...\n", __func__);
 
-	S3C_PMDBG("%s: wakeup masks: %08x,%08x\n", __func__,
+	pr_debug("%s: wakeup masks: %08x,%08x\n", __func__,
 			exynos_irqwake_intmask, exynos_get_eint_wake_mask());
 
 	if (exynos_irqwake_intmask == -1U
@@ -504,7 +500,6 @@ static int exynos_suspend_enter(suspend_
 		return -EINVAL;
 	}
 
-	s3c_pm_save_uarts();
 	if (pm_data->pm_prepare)
 		pm_data->pm_prepare();
 	flush_cache_all();
@@ -517,12 +512,11 @@ static int exynos_suspend_enter(suspend_
 
 	if (pm_data->pm_resume_prepare)
 		pm_data->pm_resume_prepare();
-	s3c_pm_restore_uarts();
 
-	S3C_PMDBG("%s: wakeup stat: %08x\n", __func__,
+	pr_debug("%s: wakeup stat: %08x\n", __func__,
 			pmu_raw_readl(S5P_WAKEUP_STAT));
 
-	S3C_PMDBG("%s: resuming the system...\n", __func__);
+	pr_debug("%s: resuming the system...\n", __func__);
 
 	return 0;
 }
Index: b/arch/arm/plat-samsung/Kconfig
===================================================================
--- a/arch/arm/plat-samsung/Kconfig	2018-10-15 17:39:54.628412461 +0200
+++ b/arch/arm/plat-samsung/Kconfig	2018-10-15 17:40:35.416413489 +0200
@@ -239,6 +239,7 @@ comment "Power management"
 config SAMSUNG_PM_DEBUG
 	bool "Samsung PM Suspend debug"
 	depends on PM && DEBUG_KERNEL
+	depends on PLAT_S3C24XX || ARCH_S3C64XX || ARCH_S5PV210
 	depends on DEBUG_EXYNOS_UART || DEBUG_S3C24XX_UART || DEBUG_S3C2410_UART
 	help
 	  Say Y here if you want verbose debugging from the PM Suspend and

Re: [PATCH v3] ARM: SAMSUNG: limit SAMSUNG_PM_DEBUG config option to non-Exynos platforms

[Krzysztof Kozlowski]

On Mon, 15 Oct 2018 at 17:50, Bartlomiej Zolnierkiewicz
<b.zolnierkie@samsung.com> wrote:
>
> "Samsung PM Suspend debug" feature (controlled by SAMSUNG_PM_DEBUG
> config option) is not working properly (debug messages are not
> displayed after resume) on Exynos platforms because GPIOs restore
> code is not implemented.
>
> Add PLAT_S3C24XX, ARCH_S3C64XX and ARCH_S5PV210 dependencies to
> SAMSUNG_PM_DEBUG config option to hide it on Exynos platforms.
> Then convert Exynos code to not require <plat/pm-common.h>
> header (use pr_debug() directly instead of S3C_PMDBG() macro and
> remove redundant s3c_pm_*() calls).
>
> Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
> ---
> v3:
> - don't move PM to the line below in Kconfig
>
> v2:
> - convert Exynos code to not require <plat/pm-common.h> header
>
> Should by applied on top of "[PATCH] ARM: EXYNOS: remove no longer
> needed s3c_pm_check_*() calls".
>
>  arch/arm/mach-exynos/suspend.c |   14 ++++----------
>  arch/arm/plat-samsung/Kconfig  |    1 +
>  2 files changed, 5 insertions(+), 10 deletions(-)

Thanks. This and the other one (removing s3c_pm_check_*()) look OK
although it is too late for another pull so this will wait for next
cycle.

Best regards,
Krzysztof

Re: [PATCH v3] ARM: SAMSUNG: limit SAMSUNG_PM_DEBUG config option to non-Exynos platforms

[Krzysztof Kozlowski]

On Tue, Oct 16, 2018 at 03:04:52PM +0200, Krzysztof Kozlowski wrote:
> On Mon, 15 Oct 2018 at 17:50, Bartlomiej Zolnierkiewicz
> <b.zolnierkie@samsung.com> wrote:
> >
> > "Samsung PM Suspend debug" feature (controlled by SAMSUNG_PM_DEBUG
> > config option) is not working properly (debug messages are not
> > displayed after resume) on Exynos platforms because GPIOs restore
> > code is not implemented.
> >
> > Add PLAT_S3C24XX, ARCH_S3C64XX and ARCH_S5PV210 dependencies to
> > SAMSUNG_PM_DEBUG config option to hide it on Exynos platforms.
> > Then convert Exynos code to not require <plat/pm-common.h>
> > header (use pr_debug() directly instead of S3C_PMDBG() macro and
> > remove redundant s3c_pm_*() calls).
> >
> > Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
> > ---
> > v3:
> > - don't move PM to the line below in Kconfig
> >
> > v2:
> > - convert Exynos code to not require <plat/pm-common.h> header
> >
> > Should by applied on top of "[PATCH] ARM: EXYNOS: remove no longer
> > needed s3c_pm_check_*() calls".
> >
> >  arch/arm/mach-exynos/suspend.c |   14 ++++----------
> >  arch/arm/plat-samsung/Kconfig  |    1 +
> >  2 files changed, 5 insertions(+), 10 deletions(-)
> 
> Thanks. This and the other one (removing s3c_pm_check_*()) look OK
> although it is too late for another pull so this will wait for next
> cycle.

Hi,

This does not longer apply. Probably because of my changes around eint
wakeup mask. Could you rebase?

Best regards,
Krzysztof