diff options
| author | Claudiu Beznea <claudiu.beznea@microchip.com> | 2021-04-15 13:49:48 +0300 |
|---|---|---|
| committer | Nicolas Ferre <nicolas.ferre@microchip.com> | 2021-07-19 14:32:11 +0200 |
| commit | fe4c09e56852ceb4f4e07ba42e1750b4f5188d76 (patch) | |
| tree | 4bb7738f10f1e00dcbad86cbe963163980413976 /arch/arm/mach-at91/pm.c | |
| parent | f19dd1df9e71da7e76b2c43cf640507be24bca72 (diff) | |
ARM: at91: pm: move the setup of soc_pm.bu->suspended
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>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Link: https://lore.kernel.org/r/20210415105010.569620-3-claudiu.beznea@microchip.com
Diffstat (limited to 'arch/arm/mach-at91/pm.c')
| -rw-r--r-- | arch/arm/mach-at91/pm.c | 15 |
1 files 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 */ |