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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>
This commit is contained in:
Sonic Zhang 2011-12-06 15:16:33 +08:00 committed by Greg Kroah-Hartman
parent f5b6940cbc
commit 07143eaefd
1 changed files with 3 additions and 2 deletions
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5
drivers/tty/serial/bfin_sport_uart.h
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@ -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))