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10058960d7
Change the delay for bus claim to 100ms, since in testing with the AP requesting the bus constantly, I was able to make a 50ms timeout happen after about 3000 transactions. With 100ms, the timeout happens only once in 130,000 i2c transactions with both AP and EC fully loading the i2c bus simulataneously. The bus claim failure should never happen, but in case it does, print an error. Also make sure we delay for a bit, to allow the AP to see the change in state. BUG=chrome-os-partner:10888 TEST=manual: build for all boards boot on snow, test: on AP: $ while true; do i2cdump -f -y 4 0x48; done >/dev/null on EC: $ pmu 10000 See that the machine operates normally with no lock-ups, etc. Change-Id: I9a48144f560c596429c525a42c77ac41ec095ec0 Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-on: https://gerrit.chromium.org/gerrit/26828 Reviewed-by: David Hendricks <dhendrix@chromium.org>