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    Subject[PATCH v2 02/24] ARM: at91: pm: move the setup of soc_pm.bu->suspended
    Date
    Move the setup of soc_pm.bu->suspended in platform_suspend::begin
    function so that the PMC code in charge with clocks suspend/resume
    to differentiate b/w standard PM mode and backup mode.

    Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
    Reviewed-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
    ---
    arch/arm/mach-at91/pm.c | 15 ++++++++++++---
    1 file changed, 12 insertions(+), 3 deletions(-)

    diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c
    index e13ceef7ac9a..3742a1fb76db 100644
    --- a/arch/arm/mach-at91/pm.c
    +++ b/arch/arm/mach-at91/pm.c
    @@ -214,6 +214,8 @@ static int at91_sam9x60_config_pmc_ws(void __iomem *pmc, u32 mode, u32 polarity)
    */
    static int at91_pm_begin(suspend_state_t state)
    {
    + int ret;
    +
    switch (state) {
    case PM_SUSPEND_MEM:
    soc_pm.data.mode = soc_pm.data.suspend_mode;
    @@ -227,7 +229,16 @@ static int at91_pm_begin(suspend_state_t state)
    soc_pm.data.mode = -1;
    }

    - return at91_pm_config_ws(soc_pm.data.mode, true);
    + ret = at91_pm_config_ws(soc_pm.data.mode, true);
    + if (ret)
    + return ret;
    +
    + if (soc_pm.data.mode == AT91_PM_BACKUP)
    + soc_pm.bu->suspended = 1;
    + else if (soc_pm.bu)
    + soc_pm.bu->suspended = 0;
    +
    + return 0;
    }

    /*
    @@ -296,8 +307,6 @@ static int at91_suspend_finish(unsigned long val)
    static void at91_pm_suspend(suspend_state_t state)
    {
    if (soc_pm.data.mode == AT91_PM_BACKUP) {
    - soc_pm.bu->suspended = 1;
    -
    cpu_suspend(0, at91_suspend_finish);

    /* The SRAM is lost between suspend cycles */
    --
    2.25.1
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