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Diffstat (limited to 'drivers/tty/serial/bfin_uart.c')
| -rw-r--r-- | drivers/tty/serial/bfin_uart.c | 2 |
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); } |