summaryrefslogtreecommitdiff
path: root/drivers/tty/serial/xilinx_uartps.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/tty/serial/xilinx_uartps.c')
-rw-r--r--drivers/tty/serial/xilinx_uartps.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/tty/serial/xilinx_uartps.c b/drivers/tty/serial/xilinx_uartps.c
index ba451c7209fc..f36bbba1ac8b 100644
--- a/drivers/tty/serial/xilinx_uartps.c
+++ b/drivers/tty/serial/xilinx_uartps.c
@@ -578,6 +578,8 @@ static int xuartps_startup(struct uart_port *port)
/* Receive Timeout register is enabled with value of 10 */
xuartps_writel(10, XUARTPS_RXTOUT_OFFSET);
+ /* Clear out any pending interrupts before enabling them */
+ xuartps_writel(xuartps_readl(XUARTPS_ISR_OFFSET), XUARTPS_ISR_OFFSET);
/* Set the Interrupt Registers with desired interrupts */
xuartps_writel(XUARTPS_IXR_TXEMPTY | XUARTPS_IXR_PARITY |