@@ -485,6 +485,8 @@ static void macb_tx_interrupt(struct macb *bp)
status = macb_readl(bp, TSR);
macb_writel(bp, TSR, status);
+ macb_writel(bp, ISR, MACB_BIT(TCOMP));
+
netdev_vdbg(bp->dev, "macb_tx_interrupt status = 0x%03lx\n",
(unsigned long)status);
@@ -736,6 +738,7 @@ static irqreturn_t macb_interrupt(int irq, void *dev_id)
* now.
*/
macb_writel(bp, IDR, MACB_RX_INT_FLAGS);
+ macb_writel(bp, ISR, MACB_BIT(RCOMP));
if (napi_schedule_prep(&bp->napi)) {
netdev_vdbg(bp->dev, "scheduling RX softirq\n");
At least in the cadence IP core on the Xilinx Zynq SoC the TCOMP/RCOMP flags are not auto-cleaned. As these flags are evaluated, they need to be cleaned. Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de> Cc: Nicolas Ferre <nicolas.ferre@atmel.com> --- drivers/net/ethernet/cadence/macb.c | 3 +++ 1 file changed, 3 insertions(+)