Louis Yung-Chieh Lo 210ddfefcf Refactor the i8042 module to be thread-safe. ...

Any command/data coming from host will be placed in from_host queue, and
the interrupt handler returns immediately. The i8042_command_task() will
handle them later.

Data reply to the host will be protected by the mutex.

BUG=chrome-os-partner:10090
TEST=randomly play around on the link board.

Change-Id: Ic19d5abd1abf8dc261ddaad4224cd9305c2f36a4
Signed-off-by: Louis Yung-Chieh Lo <yjlou@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/24299
Commit-Ready: Yung-Chieh Lo <yjlou%chromium.org@gtempaccount.com>
Reviewed-by: Yung-Chieh Lo <yjlou%chromium.org@gtempaccount.com>
Tested-by: Yung-Chieh Lo <yjlou%chromium.org@gtempaccount.com>

2012-06-07 20:48:51 -07:00

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