summaryrefslogtreecommitdiff
path: root/drivers/net/ethernet/cadence/macb.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/ethernet/cadence/macb.c')
-rw-r--r--drivers/net/ethernet/cadence/macb.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/ethernet/cadence/macb.c b/drivers/net/ethernet/cadence/macb.c
index 3ede59c9cae0..ec09fcece711 100644
--- a/drivers/net/ethernet/cadence/macb.c
+++ b/drivers/net/ethernet/cadence/macb.c
@@ -1157,6 +1157,7 @@ static irqreturn_t macb_interrupt(int irq, void *dev_id)
if (status & MACB_BIT(RXUBR)) {
ctrl = macb_readl(bp, NCR);
macb_writel(bp, NCR, ctrl & ~MACB_BIT(RE));
+ wmb();
macb_writel(bp, NCR, ctrl | MACB_BIT(RE));
if (bp->caps & MACB_CAPS_ISR_CLEAR_ON_WRITE)
@@ -2769,6 +2770,7 @@ static irqreturn_t at91ether_interrupt(int irq, void *dev_id)
if (intstatus & MACB_BIT(RXUBR)) {
ctl = macb_readl(lp, NCR);
macb_writel(lp, NCR, ctl & ~MACB_BIT(RE));
+ wmb();
macb_writel(lp, NCR, ctl | MACB_BIT(RE));
}