56 lines
1.7 KiB
Diff
56 lines
1.7 KiB
Diff
From c8f2a8aaae41fa0a40ad88855ae82696098230d7 Mon Sep 17 00:00:00 2001
|
|
From: Claudiu Beznea <claudiu.beznea@microchip.com>
|
|
Date: Thu, 15 Apr 2021 13:49:48 +0300
|
|
Subject: [PATCH 198/247] 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
|
|
---
|
|
arch/arm/mach-at91/pm.c | 15 ++++++++++++---
|
|
1 file changed, 12 insertions(+), 3 deletions(-)
|
|
|
|
--- 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(vo
|
|
*/
|
|
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
|
|
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
|
|
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 */
|