diff options
| author |   Sonic Zhang <sonic.zhang@analog.com> | 2011-12-06 15:16:33 +0800 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@suse.de> | 2011-12-09 19:05:33 -0800 |
| commit | 07143eaefd025098089edee7047714f6604a4a21 (patch) | |
| tree | 74adfb9b169f2f40780e933f0226b729ba4a735e /drivers/tty/serial/bfin_sport_uart.h | |
| parent | serial: bfin-uart: remove redundant CTS check for hardware CTS control. (diff) | |
| download | linux-dev-07143eaefd025098089edee7047714f6604a4a21.tar.xz linux-dev-07143eaefd025098089edee7047714f6604a4a21.zip | |
tty: bfin-sport-uart: Rx interrupt is not called always with irq disabled.
Replace local_irq_disable by local_irq_save.
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Acked-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/tty/serial/bfin_sport_uart.h')
| -rw-r--r-- | drivers/tty/serial/bfin_sport_uart.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/tty/serial/bfin_sport_uart.h b/drivers/tty/serial/bfin_sport_uart.h index 6d06ce1d5675..e4510ea135ce 100644 --- a/drivers/tty/serial/bfin_sport_uart.h +++ b/drivers/tty/serial/bfin_sport_uart.h @@ -45,11 +45,12 @@ #define SPORT_GET_RX32(sport) \ ({ \ unsigned int __ret; \ + unsigned long flags; \ if (ANOMALY_05000473) \ - local_irq_disable(); \ + local_irq_save(flags); \ __ret = bfin_read32((sport)->port.membase + OFFSET_RX); \ if (ANOMALY_05000473) \ - local_irq_enable(); \ + local_irq_restore(flags); \ __ret; \ }) #define SPORT_GET_RCR1(sport) bfin_read16(((sport)->port.membase + OFFSET_RCR1)) |