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path: root/drivers/tty/serial/bfin_uart.c
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Diffstat (limited to 'drivers/tty/serial/bfin_uart.c')
-rw-r--r--drivers/tty/serial/bfin_uart.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/tty/serial/bfin_uart.c b/drivers/tty/serial/bfin_uart.c
index 43b3e2c233ff..155781ece050 100644
--- a/drivers/tty/serial/bfin_uart.c
+++ b/drivers/tty/serial/bfin_uart.c
@@ -464,6 +464,7 @@ void bfin_serial_rx_dma_timeout(struct bfin_serial_port *uart)
int x_pos, pos;
unsigned long flags;
+ dma_disable_irq_nosync(uart->rx_dma_channel);
spin_lock_irqsave(&uart->rx_lock, flags);
/* 2D DMA RX buffer ring is used. Because curr_y_count and
@@ -496,6 +497,7 @@ void bfin_serial_rx_dma_timeout(struct bfin_serial_port *uart)
}
spin_unlock_irqrestore(&uart->rx_lock, flags);
+ dma_enable_irq(uart->rx_dma_channel);
mod_timer(&(uart->rx_dma_timer), jiffies + DMA_RX_FLUSH_JIFFIES);
}