Commit 40634699 authored Jan 04, 2017 by Sergei Shtylyov Committed by David S. Miller Jan 04, 2017

sh_eth: handle only enabled E-MAC interrupts



The driver should only handle the enabled E-MAC interrupts, like it does
for the E-DMAC interrupts since commit 3893b273 ("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@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 009146d1

drivers/net/ethernet/renesas/sh_eth.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -1535,7 +1535,8 @@ static void sh_eth_error(struct net_device *ndev, u32 intr_status)
		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++;