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56 lines
1.7 KiB
Diff
56 lines
1.7 KiB
Diff
From c8f2a8aaae41fa0a40ad88855ae82696098230d7 Mon Sep 17 00:00:00 2001
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From: Claudiu Beznea <claudiu.beznea@microchip.com>
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Date: Thu, 15 Apr 2021 13:49:48 +0300
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Subject: [PATCH 198/247] ARM: at91: pm: move the setup of soc_pm.bu->suspended
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Move the setup of soc_pm.bu->suspended in platform_suspend::begin
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function so that the PMC code in charge with clocks suspend/resume
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to differentiate b/w standard PM mode and backup mode.
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Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
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Reviewed-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
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Link: https://lore.kernel.org/r/20210415105010.569620-3-claudiu.beznea@microchip.com
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---
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arch/arm/mach-at91/pm.c | 15 ++++++++++++---
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1 file changed, 12 insertions(+), 3 deletions(-)
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--- a/arch/arm/mach-at91/pm.c
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+++ b/arch/arm/mach-at91/pm.c
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@@ -214,6 +214,8 @@ static int at91_sam9x60_config_pmc_ws(vo
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*/
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static int at91_pm_begin(suspend_state_t state)
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{
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+ int ret;
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+
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switch (state) {
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case PM_SUSPEND_MEM:
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soc_pm.data.mode = soc_pm.data.suspend_mode;
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@@ -227,7 +229,16 @@ static int at91_pm_begin(suspend_state_t
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soc_pm.data.mode = -1;
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}
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- return at91_pm_config_ws(soc_pm.data.mode, true);
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+ ret = at91_pm_config_ws(soc_pm.data.mode, true);
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+ if (ret)
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+ return ret;
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+
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+ if (soc_pm.data.mode == AT91_PM_BACKUP)
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+ soc_pm.bu->suspended = 1;
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+ else if (soc_pm.bu)
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+ soc_pm.bu->suspended = 0;
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+
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+ return 0;
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}
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/*
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@@ -296,8 +307,6 @@ static int at91_suspend_finish(unsigned
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static void at91_pm_suspend(suspend_state_t state)
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{
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if (soc_pm.data.mode == AT91_PM_BACKUP) {
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- soc_pm.bu->suspended = 1;
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-
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cpu_suspend(0, at91_suspend_finish);
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/* The SRAM is lost between suspend cycles */
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