diff options
Diffstat (limited to 'drivers/serial/sh-sci.c')
| -rw-r--r-- | drivers/serial/sh-sci.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c index 8d993c4ccea..4f73fb75674 100644 --- a/drivers/serial/sh-sci.c +++ b/drivers/serial/sh-sci.c @@ -151,7 +151,11 @@ static int sci_poll_get_char(struct uart_port *port) handle_error(port); continue; } - } while (!(status & SCxSR_RDxF(port))); + break; + } while (1); + + if (!(status & SCxSR_RDxF(port))) + return NO_POLL_CHAR; c = sci_in(port, SCxRDR); @@ -1087,7 +1091,7 @@ static void work_fn_rx(struct work_struct *work) unsigned long flags; int count; - chan->device->device_terminate_all(chan); + chan->device->device_control(chan, DMA_TERMINATE_ALL, 0); dev_dbg(port->dev, "Read %u bytes with cookie %d\n", sh_desc->partial, sh_desc->cookie); |