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xiaoxiang781216 pushed a change to branch master
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from a3bc1f04a00 tools/refresh.sh: Fix multi-argument parsing
new a6393fa3201 drivers/serial: sample xmit.head once per iteration in
uart_xmitchars()
new a3d4802ff85 drivers/serial: read the consumer index once in
uart_recvchars()
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Summary of changes:
drivers/serial/serial_io.c | 38 +++++++++++++++++++++++++++-----------
1 file changed, 27 insertions(+), 11 deletions(-)
