diff options
| author | Steven Miao <realmz6@gmail.com> | 2012-11-07 13:27:56 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-11-15 16:59:58 -0800 |
| commit | 9642dbe73c8a3b55a812253fcb9add9eeed4ca81 (patch) | |
| tree | bdd51cf2a84b33b7c672d738b5a1eaf12bab342d /drivers/tty/serial/pch_uart.c | |
| parent | 7a876b39b5bc94f67e8a3a7adfd270b8c21fc762 (diff) | |
serial: bfin-uart: avoid dead lock in rx irq handler in smp kernel
Disabing dma irq and lock bottom half in smp kernel doesn't ensure exclusive
uart access. Call spin_lock_irqsave() instead.
Signed-off-by: Steven Miao <realmz6@gmail.com>
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/pch_uart.c')
0 files changed, 0 insertions, 0 deletions