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-rw-r--r--drivers/net/ethernet/sfc/ef10.c33
-rw-r--r--drivers/net/ethernet/sfc/mcdi.c6
2 files changed, 25 insertions, 14 deletions
diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c
index 119301769dda..44071176859d 100644
--- a/drivers/net/ethernet/sfc/ef10.c
+++ b/drivers/net/ethernet/sfc/ef10.c
@@ -2277,20 +2277,27 @@ static int efx_ef10_ev_init(struct efx_channel *channel)
/* Successfully created event queue on channel 0 */
rc = efx_mcdi_get_workarounds(efx, &implemented, &enabled);
- if (rc)
+ if (rc == -ENOSYS) {
+ /* GET_WORKAROUNDS was implemented before the bug26807
+ * workaround, thus the latter must be unavailable in this fw
+ */
+ nic_data->workaround_26807 = false;
+ rc = 0;
+ } else if (rc) {
goto fail;
-
- nic_data->workaround_26807 =
- !!(enabled & MC_CMD_GET_WORKAROUNDS_OUT_BUG26807);
-
- if (implemented & MC_CMD_GET_WORKAROUNDS_OUT_BUG26807 &&
- !nic_data->workaround_26807) {
- rc = efx_mcdi_set_workaround(efx, MC_CMD_WORKAROUND_BUG26807,
- true);
- if (!rc)
- nic_data->workaround_26807 = true;
- else if (rc == -EPERM)
- rc = 0;
+ } else {
+ nic_data->workaround_26807 =
+ !!(enabled & MC_CMD_GET_WORKAROUNDS_OUT_BUG26807);
+
+ if (implemented & MC_CMD_GET_WORKAROUNDS_OUT_BUG26807 &&
+ !nic_data->workaround_26807) {
+ rc = efx_mcdi_set_workaround(efx, MC_CMD_WORKAROUND_BUG26807,
+ true);
+ if (!rc)
+ nic_data->workaround_26807 = true;
+ else if (rc == -EPERM)
+ rc = 0;
+ }
}
if (!rc)
diff --git a/drivers/net/ethernet/sfc/mcdi.c b/drivers/net/ethernet/sfc/mcdi.c
index 81640f8bb811..58232e78feaa 100644
--- a/drivers/net/ethernet/sfc/mcdi.c
+++ b/drivers/net/ethernet/sfc/mcdi.c
@@ -1816,7 +1816,11 @@ int efx_mcdi_get_workarounds(struct efx_nic *efx, unsigned int *impl_out,
return 0;
fail:
- netif_err(efx, hw, efx->net_dev, "%s: failed rc=%d\n", __func__, rc);
+ /* Older firmware lacks GET_WORKAROUNDS and this isn't especially
+ * terrifying. The call site will have to deal with it though.
+ */
+ netif_printk(efx, hw, rc == -ENOSYS ? KERN_DEBUG : KERN_ERR,
+ efx->net_dev, "%s: failed rc=%d\n", __func__, rc);
return rc;
}