diff options
Diffstat (limited to 'drivers/tty/serial/imx.c')
| -rw-r--r-- | drivers/tty/serial/imx.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index bd5d426c28fb..ef0b9d353617 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -890,7 +890,7 @@ static void imx_uart_check_flood(struct imx_port *sport, u32 usr2) static irqreturn_t __imx_uart_rxint(int irq, void *dev_id) { struct imx_port *sport = dev_id; - unsigned int rx, flg, ignored = 0; + unsigned int rx, flg; struct tty_port *port = &sport->port.state->port; u32 usr2; @@ -923,11 +923,8 @@ static irqreturn_t __imx_uart_rxint(int irq, void *dev_id) if (rx & URXD_OVRRUN) sport->port.icount.overrun++; - if (rx & sport->port.ignore_status_mask) { - if (++ignored > 100) - goto out; + if (rx & sport->port.ignore_status_mask) continue; - } rx &= (sport->port.read_status_mask | 0xFF); @@ -946,13 +943,12 @@ static irqreturn_t __imx_uart_rxint(int irq, void *dev_id) } if (sport->port.ignore_status_mask & URXD_DUMMY_READ) - goto out; + continue; if (tty_insert_flip_char(port, rx, flg) == 0) sport->port.icount.buf_overrun++; } -out: tty_flip_buffer_push(port); return IRQ_HANDLED; |