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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-04-01 12:01:10 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-04-01 12:01:10 -0700
commitef99f3aee9641d10a7c80d4803d2f0f004c797ca (patch)
tree83f14ccef66db48fc4178bd8b973462006de86b8 /drivers/tty/serial/xilinx_uartps.c
parentcb06ff102e2d79a82cf780aa5e6947b2e0529ac0 (diff)
parent07961ac7c0ee8b546658717034fe692fd12eefa9 (diff)
Merge 3.9-rc5 into tty-next
We need the fixes here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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 974c361a91fe..4e5c77834c50 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 |