On 3/4/2016 3:06 AM, Fugang Duan wrote: > From: Troy Kisky <[email protected]> Sent: Thursday, February > 25, 2016 8:37 AM >> To: [email protected]; [email protected]; [email protected] >> Cc: [email protected]; [email protected]; [email protected]; >> [email protected]; [email protected]; linux-arm- >> [email protected]; [email protected]; [email protected]; >> [email protected]; [email protected]; >> [email protected]; [email protected]; Troy Kisky >> <[email protected]> >> Subject: [PATCH net-next V2 13/16] net: fec: print more debug info in >> fec_timeout >> >> Print the current interrupt flags and mask and the interrupt state during >> the last >> interrupt in fec_timeout. >> >> Signed-off-by: Troy Kisky <[email protected]> >> --- >> drivers/net/ethernet/freescale/fec.h | 1 + >> drivers/net/ethernet/freescale/fec_main.c | 4 ++++ >> 2 files changed, 5 insertions(+) >> >> diff --git a/drivers/net/ethernet/freescale/fec.h >> b/drivers/net/ethernet/freescale/fec.h >> index 001200b..615cca1 100644 >> --- a/drivers/net/ethernet/freescale/fec.h >> +++ b/drivers/net/ethernet/freescale/fec.h >> @@ -506,6 +506,7 @@ struct fec_enet_private { >> unsigned int total_tx_ring_size; >> unsigned int total_rx_ring_size; >> uint events; >> + uint last_ievents; >> >> struct platform_device *pdev; >> >> diff --git a/drivers/net/ethernet/freescale/fec_main.c >> b/drivers/net/ethernet/freescale/fec_main.c >> index afd4060..9a3136b 100644 >> --- a/drivers/net/ethernet/freescale/fec_main.c >> +++ b/drivers/net/ethernet/freescale/fec_main.c >> @@ -1107,6 +1107,9 @@ fec_timeout(struct net_device *ndev) >> int i; >> uint events = 0; >> >> + pr_err("%s: last=%x %x, mask %x\n", __func__, fep->last_ievents, >> + readl(fep->hwp + FEC_IEVENT), readl(fep->hwp + FEC_IMASK)); >> + > pr_err() -> netdev_err() >
Sounds good
