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skylake: increase retry count in power up

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During power up, system will wait at most CHARGER_INITIALIZED_TRIES
delay to check if battery percentage or negociated charger power can
meet minimum requirement. In some cases, it takes longer time(observed
negotiated to min power took 2 seconds). So increase
CHARGER_INITIALIZED_TRIES from 10 to 40 to give total 4 seconds delay.

BUG=chrome-os-partner:48339
BRANCH=none
TEST=Verified in Kunimitsu system, negotiation to 5V@3A is done within
retry/delay.

Change-Id: I18c5fc676076f8d37d0a5360543f54aa85f48f77
Signed-off-by: li feng <li1.feng@intel.com>
Reviewed-on: https://chromium-review.googlesource.com/318652
Commit-Ready: Li1 Feng <li1.feng@intel.com>
Tested-by: Li1 Feng <li1.feng@intel.com>
Reviewed-by: Shawn N <shawnn@chromium.org>
This commit is contained in:
li feng
2015-12-16 10:42:26 -08:00
committed by chrome-bot
parent e74b3cc6c2
commit 6f4146f962
1 changed files with 1 additions and 1 deletions
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2
power/skylake.c
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@@ -48,7 +48,7 @@
#define IN_ALL_S0 (IN_PGOOD_ALL_CORE | IN_ALL_PM_SLP_DEASSERTED)
#define CHARGER_INITIALIZED_DELAY_MS 100
#define CHARGER_INITIALIZED_TRIES 10
#define CHARGER_INITIALIZED_TRIES 40
static int throttle_cpu; /* Throttle CPU? */
static int forcing_shutdown; /* Forced shutdown in progress? */