net/designware: Consecutive writes to the same register to be avoided

[kernel/u-boot.git] / drivers / net / designware.c

diff --git a/drivers/net/designware.c b/drivers/net/designware.c
index 326d550..bf21a08 100644 (file)
--- a/drivers/net/designware.c
+++ b/drivers/net/designware.c
@@ -171,8 +171,8 @@ static int dw_eth_init(struct eth_device *dev, bd_t *bis)
        writel(FIXEDBURST | PRIORXTX_41 | BURST_16,
                        &dma_p->busmode);
 
-       writel(FLUSHTXFIFO | readl(&dma_p->opmode), &dma_p->opmode);
-       writel(STOREFORWARD | TXSECONDFRAME, &dma_p->opmode);
+       writel(readl(&dma_p->opmode) | FLUSHTXFIFO | STOREFORWARD |
+               TXSECONDFRAME, &dma_p->opmode);
 
        conf = FRAMEBURSTENABLE | DISABLERXOWN;