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Reenable "Cr50: Set the default idle action to Sleep"

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Cr50 sleep has been fixed so we can now set the default idle action to
sleep.

This reverts commit 734d834bec to add back
commit 9a644c429a.

BUG=chrome-os-partner:54331

Change-Id: I62edffe0823f6d49a50d8e3fbde3d16f075585c8
Signed-off-by: Mary Ruthven <mruthven@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/363582
Reviewed-by: Bill Richardson <wfrichar@chromium.org>
This commit is contained in:
Mary Ruthven
2016-07-27 00:20:46 +00:00
committed by chrome-bot
parent 4b202194e9
commit 893e1c0cb7
1 changed files with 16 additions and 5 deletions
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21
chip/g/idle.c
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@@ -13,13 +13,17 @@
/* What to do when we're just waiting */
static enum {
IDLE_WFI, /* default */
DONT_KNOW,
IDLE_WFI,
IDLE_SLEEP,
IDLE_DEEP_SLEEP,
NUM_CHOICES
} idle_action;
#define IDLE_DEFAULT IDLE_SLEEP
static const char const *idle_name[] = {
"invalid",
"wfi",
"sleep",
"deep sleep",
@@ -32,7 +36,7 @@ static int command_idle(int argc, char **argv)
if (argc > 1) {
c = tolower(argv[1][0]);
for (i = 0; i < ARRAY_SIZE(idle_name); i++)
for (i = 1; i < ARRAY_SIZE(idle_name); i++)
if (idle_name[i][0] == c) {
idle_action = i;
break;
@@ -141,10 +145,17 @@ void __idle(void)
{
int sleep_ok, sleep_delay_passed;
/* Preserved across soft reboots, but not hard */
/*
* This register is preserved across soft reboots, but not hard. It
* defaults to zero, which is how we can tell whether this is the
* preserved value or not. We only need to remember it because we might
* change it with the console command.
*/
idle_action = GREG32(PMU, PWRDN_SCRATCH17);
if (idle_action >= NUM_CHOICES)
idle_action = IDLE_WFI;
if (idle_action == DONT_KNOW || idle_action >= NUM_CHOICES) {
idle_action = IDLE_DEFAULT;
GREG32(PMU, PWRDN_SCRATCH17) = idle_action;
}
while (1) {