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9139071b71
When the AP or EC is off, the RX line is low. Holding the UART RX line low causes an interrupt storm. This change disables the UART TX and RX on the peripheral when the device is powered off so the interrupts wont be triggered. BUG=chrome-os-partner:53514,b:28885578 BRANCH=none TEST=run taskinfo on cr50 and make sure the IRQ count for 181 is a reasonable number. Change-Id: I42c779253860a2b1dd27ab41fb7097c887cc23ff Signed-off-by: Mary Ruthven <mruthven@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/347355