Russell King
2af7cd68f1
[Serial] Don't miss modem status changes
...
Reading the MSR register on 8250-compatible UARTs results in any
modem status interrupts being cleared. To avoid missing any
status changes, arrange for get_mctrl() to read the current
status via check_modem_status(), which will process any pending
state changes for us.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk >
2006-01-04 16:55:09 +00:00
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