On 3/4/2016 10:35 AM, Joe Perches wrote:
> On Fri, 2016-03-04 at 09:05 -0700, Troy Kisky wrote:
>> On 3/4/2016 3:06 AM, Fugang Duan wrote:
>>> From: Troy Kisky <troy.ki...@boundarydevices.com> Sent: Thursday, February
>>> 25, 2016 8:37 AM
> []
>>>> Print the current interrupt flags and mask and the interrupt state during
>>>> the last
>>>> interrupt in fec_timeout.
> []
>>>> diff --git a/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
>
> This seems like debugging information rather than
> an error a user can do anything with and if there's
> a timeout, how likely is it that the hardware is
> hosed and this would repetitively and unnecessarily
> fill up logs?
>
> So maybe netdev_dbg and net_ratelimit() too.
>
> if (net_ratelimit()
> netdev_<level>(etc...)
>
>
This patch hasn't been helpful to me in quite a while. I'll just drop it.
I know where to get it if I need it again.
Thanks
Troy
