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Commit 9c529a3d76dffae943868ebad07b042d15764712

Authored by Mike Frysinger
Committed by Linus Torvalds
1 parent 56578abfd1
Exists in master and in 7 other branches imx_3.0.35_4.1.0, imx_3.10.17_1.0.1_ga, imx_3.10.53_1.1.0_ga, imx_3.14.28_1.0.0_ga, smarc-imx_3.10.53_1.1.0_ga, smarc-imx_3.14.28_1.0.0_ga, smarc-l5.0.0_1.0.0-ga

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>

Showing 1 changed file with 1 additions and 0 deletions Side-by-side Diff

drivers/serial/bfin_5xx.c
Diff comments   View file @ 9c529a3
... ... @@ -1110,6 +1110,7 @@
1110 1110 bfin_serial_hw_init();
1111 1111  
1112 1112 for (i = 0; i < nr_active_ports; i++) {
  1113 + spin_lock_init(&bfin_serial_ports[i].port.lock);
1113 1114 bfin_serial_ports[i].port.uartclk = get_sclk();
1114 1115 bfin_serial_ports[i].port.fifosize = BFIN_UART_TX_FIFO_SIZE;
1115 1116 bfin_serial_ports[i].port.ops = &bfin_serial_pops;