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>
diff --git a/drivers/tty/serial/bfin_sport_uart.h b/drivers/tty/serial/bfin_sport_uart.h
index 6d06ce1..e4510ea 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))