Messages in this thread Patch in this message | | | From | Sonic Zhang <> | Subject | [PATCH 1/2] tty: bfin-sport-uart: Rx interrupt is not called always with irq disabled. | Date | Tue, 6 Dec 2011 15:16:33 +0800 |
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From: Sonic Zhang <sonic.zhang@analog.com>
Replace local_irq_disable by local_irq_save.
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> --- 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 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)) -- 1.7.0.4
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