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sfc: improve PTP error reporting

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Log a message if PTP probing fails; if we then, unexpectedly, get PTP
 events, only log a message for the first one on each device.

Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Edward Cree
2017-12-18 16:56:58 +00:00
committed by David S. Miller
parent aae5a31663
commit acaef3c156
3 changed files with 13 additions and 2 deletions
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4
drivers/net/ethernet/sfc/ptp.c
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@@ -1662,9 +1662,11 @@ void efx_ptp_event(struct efx_nic *efx, efx_qword_t *ev)
int code = EFX_QWORD_FIELD(*ev, MCDI_EVENT_CODE);
if (!ptp) {
if (net_ratelimit())
if (!efx->ptp_warned) {
netif_warn(efx, drv, efx->net_dev,
"Received PTP event but PTP not set up\n");
efx->ptp_warned = true;
}
return;
}