The driver should only handle the enabled E-MAC interrupts, like it does
for the E-DMAC interrupts since commit 3893b27345ac ("sh_eth: workaround
for spurious ECI interrupt"), so mask ECSR with ECSIPR when reading it
in sh_eth_error().
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@xxxxxxxxxxxxxxxxxx>
---
drivers/net/ethernet/renesas/sh_eth.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
Index: renesas/drivers/net/ethernet/renesas/sh_eth.c
===================================================================
--- renesas.orig/drivers/net/ethernet/renesas/sh_eth.c
+++ renesas/drivers/net/ethernet/renesas/sh_eth.c
@@ -1535,7 +1535,8 @@ static void sh_eth_error(struct net_devi
u32 mask;
if (intr_status & EESR_ECI) {
- felic_stat = sh_eth_read(ndev, ECSR);
+ felic_stat = sh_eth_read(ndev, ECSR) &
+ sh_eth_read(ndev, ECSIPR);
sh_eth_write(ndev, felic_stat, ECSR); /* clear int */
if (felic_stat & ECSR_ICD)
ndev->stats.tx_carrier_errors++;
