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由 Russell King 提交于
The SCD (special character detect) bit enables comparisons with XOFF2, which we do not program. As the XOFF2 character remains unprogrammed, there's little point enabling this feature along with its associated interrupt. Remove this, and ensure that the SCD bit is cleared. Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
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