linux-kernel - Re: [PATCH AUTOSEL 4.14 27/67] ARM: exynos: Define EINT_WAKEUP_MASK registers for S5Pv210 and Exynos5433

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Message-ID: <CAJKOXPdjrVxb4-G2d52KU_MKFPnV5SjmAwr3fW6v8iA1Z32WSQ@mail.gmail.com>
Date:   Fri, 7 Sep 2018 08:33:22 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Alexander.Levin@...rosoft.com
Cc:     "stable@...r.kernel.org" <stable@...r.kernel.org>,
        linux-kernel@...r.kernel.org, Tomasz Figa <tomasz.figa@...il.com>,
        Sylwester Nawrocki <snawrocki@...nel.org>
Subject: Re: [PATCH AUTOSEL 4.14 27/67] ARM: exynos: Define EINT_WAKEUP_MASK
 registers for S5Pv210 and Exynos5433

On Fri, 7 Sep 2018 at 02:54, Sasha Levin <Alexander.Levin@...rosoft.com> wrote:
>
> From: Krzysztof Kozlowski <krzk@...nel.org>
>
> [ Upstream commit e5cda42c16d89720c29678f51d95a119490ef7d8 ]
>
> S5Pv210 and Exynos5433/Exynos7 have different address of
> EINT_WAKEUP_MASK register.  Rename existing S5P_EINT_WAKEUP_MASK to
> avoid confusion and add new ones.

This should not be backported to stable. It does not fix anything but
prepares the code for a8be2af0218c ("pinctrl: samsung: Write external
wakeup interrupt mask").

Best regards,
Krzysztof

>
> Signed-off-by: Krzysztof Kozlowski <krzk@...nel.org>
> Cc: Tomasz Figa <tomasz.figa@...il.com>
> Cc: Sylwester Nawrocki <snawrocki@...nel.org>
> Acked-by: Tomasz Figa <tomasz.figa@...il.com>
> Tested-by: Marek Szyprowski <m.szyprowski@...sung.com>
> Signed-off-by: Sasha Levin <alexander.levin@...rosoft.com>
> ---
>  arch/arm/mach-exynos/suspend.c              | 2 +-
>  include/linux/soc/samsung/exynos-regs-pmu.h | 6 +++++-
>  2 files changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm/mach-exynos/suspend.c b/arch/arm/mach-exynos/suspend.c
> index b529ba04ed16..a6a4ba334147 100644
> --- a/arch/arm/mach-exynos/suspend.c
> +++ b/arch/arm/mach-exynos/suspend.c
> @@ -279,7 +279,7 @@ static int exynos5420_cpu_suspend(unsigned long arg)
>  static void exynos_pm_set_wakeup_mask(void)
>  {
>         /* Set wake-up mask registers */
> -       pmu_raw_writel(exynos_get_eint_wake_mask(), S5P_EINT_WAKEUP_MASK);
> +       pmu_raw_writel(exynos_get_eint_wake_mask(), EXYNOS_EINT_WAKEUP_MASK);
>         pmu_raw_writel(exynos_irqwake_intmask & ~(1 << 31), S5P_WAKEUP_MASK);
>  }
>
> diff --git a/include/linux/soc/samsung/exynos-regs-pmu.h b/include/linux/soc/samsung/exynos-regs-pmu.h
> index bebdde5dccd6..f248e7e079b7 100644
> --- a/include/linux/soc/samsung/exynos-regs-pmu.h
> +++ b/include/linux/soc/samsung/exynos-regs-pmu.h
> @@ -46,7 +46,7 @@
>  #define EXYNOS_SWRESET                         0x0400
>
>  #define S5P_WAKEUP_STAT                                0x0600
> -#define S5P_EINT_WAKEUP_MASK                   0x0604
> +#define EXYNOS_EINT_WAKEUP_MASK                        0x0604
>  #define S5P_WAKEUP_MASK                                0x0608
>  #define S5P_WAKEUP_MASK2                               0x0614
>
> @@ -184,6 +184,9 @@
>  #define S5P_CORE_WAKEUP_FROM_LOCAL_CFG         (0x3 << 8)
>  #define S5P_CORE_AUTOWAKEUP_EN                 (1 << 31)
>
> +/* Only for S5Pv210 */
> +#define S5PV210_EINT_WAKEUP_MASK       0xC004
> +
>  /* Only for EXYNOS4210 */
>  #define S5P_CMU_CLKSTOP_LCD1_LOWPWR    0x1154
>  #define S5P_CMU_RESET_LCD1_LOWPWR      0x1174
> @@ -645,6 +648,7 @@
>                                          | EXYNOS5420_KFC_USE_STANDBY_WFI3)
>
>  /* For EXYNOS5433 */
> +#define EXYNOS5433_EINT_WAKEUP_MASK                            (0x060C)
>  #define EXYNOS5433_USBHOST30_PHY_CONTROL                       (0x0728)
>  #define EXYNOS5433_PAD_RETENTION_AUD_OPTION                    (0x3028)
>  #define EXYNOS5433_PAD_RETENTION_MMC2_OPTION                   (0x30C8)
> --
> 2.17.1