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serial: bfin_5xx: add missing spin_lock init 

The Blackfin serial driver never initialized the spin_lock that is part of
the serial core structure, but we never noticed because spin_lock's are
rarely enabled on UP systems.  Yeah lockdep and friends.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Mike Frysinger 2009-06-22 18:37:24 +01:00 committed by Linus Torvalds
parent 56578abfd1
commit 9c529a3d76
1 changed files with 1 additions and 0 deletions
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drivers/serial/bfin_5xx.c
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@ -1110,6 +1110,7 @@ static void __init bfin_serial_init_ports(void)
bfin_serial_hw_init();
for (i = 0; i < nr_active_ports; i++) {
spin_lock_init(&bfin_serial_ports[i].port.lock);
bfin_serial_ports[i].port.uartclk = get_sclk();
bfin_serial_ports[i].port.fifosize = BFIN_UART_TX_FIFO_SIZE;
bfin_serial_ports[i].port.ops = &bfin_serial_pops;