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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2013-04-24 08:11:20 +0400
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2013-04-24 08:11:20 +0400
commit973e2abd15326114ff9a099d6dfe0ef6be6fc7e6 (patch)
tree06ef7573e06500a4999a755006eb9a95bdf85ffa /drivers/tty/serial/xilinx_uartps.c
parent5676005acf26ab7e924a8438ea4746e47d405762 (diff)
parent016af59f0f8cd10f27773df8f0034b5f3b46a138 (diff)
downloadlinux-973e2abd15326114ff9a099d6dfe0ef6be6fc7e6.tar.xz
Merge remote-tracking branch 'mpe/master' into next
Merge the tentative powerpc-next branch maintained by Michael while I was on vacation
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 |