Searched hist:db1b9dfcd622604b268234e01c539927093abce7 (Results 1 – 1 of 1) sorted by relevance
/linux/drivers/tty/serial/ |
H A D | serial_core.c | diff db1b9dfcd622604b268234e01c539927093abce7 Wed Nov 05 19:11:42 CET 2014 Peter Hurley <peter@hurleysoftware.com> serial: core: Claim port mutex for set_ldisc()
Three UART drivers (8250, atmel & amba-pl010) enable modem status interrupts if the line discipline is changed to N_PPS. However, the uart port flags may only be safely modified while holding the port mutex.
Signed-off-by: Peter Hurley <peter@hurleysoftware.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
|