sfc: Handle firmware assertion failure while resetting
This allows the driver to recover if the MC firmware has crashed due
to an assertion failure.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/sfc/siena.c b/drivers/net/sfc/siena.c
index f8c6771..0e4c13a 100644
--- a/drivers/net/sfc/siena.c
+++ b/drivers/net/sfc/siena.c
@@ -181,6 +181,12 @@
static int siena_reset_hw(struct efx_nic *efx, enum reset_type method)
{
+ int rc;
+
+ /* Recover from a failed assertion pre-reset */
+ rc = efx_mcdi_handle_assertion(efx);
+ if (rc)
+ return rc;
if (method == RESET_TYPE_WORLD)
return efx_mcdi_reset_mc(efx);
