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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>
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@ -1110,6 +1110,7 @@ static void __init bfin_serial_init_ports(void)
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bfin_serial_hw_init();
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for (i = 0; i < nr_active_ports; i++) {
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spin_lock_init(&bfin_serial_ports[i].port.lock);
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bfin_serial_ports[i].port.uartclk = get_sclk();
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bfin_serial_ports[i].port.fifosize = BFIN_UART_TX_FIFO_SIZE;
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bfin_serial_ports[i].port.ops = &bfin_serial_pops;
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