On Mon, 15 Oct 2018 at 15:50, Bartlomiej Zolnierkiewicz
<b.zolnierkie@xxxxxxxxxxx> 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@xxxxxxxxxxx>
> ---
> 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 | 3 ++-
> 2 files changed, 6 insertions(+), 11 deletions(-)
>
> Index: b/arch/arm/mach-exynos/suspend.c
> ===================================================================
> --- a/arch/arm/mach-exynos/suspend.c 2018-10-15 15:11:15.296187842 +0200
> +++ b/arch/arm/mach-exynos/suspend.c 2018-10-15 15:22:54.656205454 +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 15:16:22.804195586 +0200
> +++ b/arch/arm/plat-samsung/Kconfig 2018-10-15 15:16:22.800195586 +0200
> @@ -238,7 +238,8 @@ comment "Power management"
>
> config SAMSUNG_PM_DEBUG
> bool "Samsung PM Suspend debug"
> - depends on PM && DEBUG_KERNEL
> + depends on DEBUG_KERNEL
I don't get this change - why moving PM to line below?
Best regards,
Krzysztof
> + depends on PM && (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
