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Mulin Chao ff52ac20c1 common: Fix sleep mask for multi-port lock. 
This change use a simple counter to to prevent ec enter sleep if there's
any i2c port active. Once there's no i2c port active, we enable sleep bit of
i2c in i2c_lock() func. Please note FW disables interrupt during changing
counter to prevent preemptive conditions.

Modified sources:
1. common/i2c.c: Fix sleep mask for multi-port lock.

BUG=crbug.com/537759
TEST=make buildall -j; test on wheatley when CONFIG_LOW_POWER_S0 is deifned.
BRANCH=none

Change-Id: I17c226108fee0e5d656fa157808179898f9a8dbf
Signed-off-by: Mulin Chao <mlchao@nuvoton.com>
Reviewed-on: https://chromium-review.googlesource.com/325256
Reviewed-by: Randall Spangler <rspangler@chromium.org>
2016-02-04 19:15:06 -08:00
board
kunimitus: add VCONN swap ability
2016-02-03 21:34:56 -08:00
builtin
Enforce compilation without system headers
2016-02-03 15:00:50 -08:00
chip
Cr50: Modified the flash driver to retry operations as appropriate.
2016-02-04 20:56:10 +00:00
common
common: Fix sleep mask for multi-port lock.
2016-02-04 19:15:06 -08:00
core
chip: it83xx: fix EC interrupt vector registers issue
2016-01-28 00:02:03 -08:00
docs
CCD: Add documentation
2015-05-07 00:00:47 +00:00
driver
Enforce compilation without system headers
2016-02-03 15:00:50 -08:00
extra
cleanup: ignore compiled executable in extra/
2015-11-05 11:10:15 -08:00
include
cleanup: Fix signed vs unsigned typing
2016-02-03 21:34:47 -08:00
power
skylake: Better handling of S0->S5->S0 path
2016-01-22 11:55:56 -08:00
test
Fix bug in software sha256_hash()
2016-01-28 14:16:19 -08:00
util
cleanup: Fix signed vs unsigned typing
2016-02-03 21:34:47 -08:00
.gitignore
Update .gitignore for new private repo
2015-07-10 23:12:36 +00:00
COMMIT-QUEUE.ini
Ignore failures in HWTest and VMTest in the commit queue.
2013-11-01 14:08:36 +00:00
LICENSE
Add LICENSE file to project
2012-05-11 09:11:52 -07:00
Makefile
console: Add support for using EC-3PO console.
2015-11-11 12:58:34 -08:00
Makefile.rules
cr50: add ability to include two identical RW sections in the EC image
2015-12-09 06:36:22 -08:00
Makefile.toolchain
Enforce compilation without system headers
2016-02-03 15:00:50 -08:00
OWNERS
Add OWNERS files
2014-04-02 19:58:53 +00:00
PRESUBMIT.cfg
presubmit: Add hook to check for config options.
2015-06-30 17:18:45 +00:00
README
README: Add link to quick-build instructions
2015-12-07 13:49:35 -08:00
README.fmap
Update EC config and FMAP to reserve room for vboot signatures
2012-05-04 14:42:58 -07:00
setup.py
ec3po: Add setup script.
2015-12-08 20:05:05 -08:00

README 

For an overview of the Embedded Controller firmware, refer to

http://www.chromium.org/chromium-os/2014-firmware-summit

For instructions on building from source, refer to

http://www.chromium.org/chromium-os/ec-development/getting-started-building-ec-images-quickly
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