diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/tty/serial/8250/8250_omap.c | 12 |
1 files changed, 0 insertions, 12 deletions
diff --git a/drivers/tty/serial/8250/8250_omap.c b/drivers/tty/serial/8250/8250_omap.c index c71bd766fa56..8ac11eaeca51 100644 --- a/drivers/tty/serial/8250/8250_omap.c +++ b/drivers/tty/serial/8250/8250_omap.c @@ -104,9 +104,6 @@ #define UART_OMAP_EFR2 0x23 #define UART_OMAP_EFR2_TIMEOUT_BEHAVE BIT(6) -/* RX FIFO occupancy indicator */ -#define UART_OMAP_RX_LVL 0x64 - struct omap8250_priv { int line; u8 habit; @@ -628,15 +625,6 @@ static irqreturn_t omap8250_irq(int irq, void *dev_id) serial8250_rpm_get(up); iir = serial_port_in(port, UART_IIR); ret = serial8250_handle_irq(port, iir); - /* - * It is possible that RX TIMEOUT is signalled after FIFO - * has been drained, in which case a dummy read of RX FIFO is - * required to clear RX TIMEOUT condition. - */ - if ((iir & UART_IIR_RX_TIMEOUT) == UART_IIR_RX_TIMEOUT) { - if (serial_port_in(port, UART_OMAP_RX_LVL) == 0) - serial_port_in(port, UART_RX); - } serial8250_rpm_put(up); return IRQ_RETVAL(ret); |