netdev - [PATCH v4 net-next 13/16] sfc_ef100: actually perform resets

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Message-ID: <797a846a-254d-66e3-fbe6-83945be6cb6f@solarflare.com>
Date:   Fri, 24 Jul 2020 17:00:18 +0100
From:   Edward Cree <ecree@...arflare.com>
To:     <linux-net-drivers@...arflare.com>, <davem@...emloft.net>
CC:     <netdev@...r.kernel.org>
Subject: [PATCH v4 net-next 13/16] sfc_ef100: actually perform resets

In ef100_reset(), make the MCDI call to do the reset.
Also, do a reset at start-of-day during probe, to put the function in
 a clean state.

Signed-off-by: Edward Cree <ecree@...arflare.com>
---
 drivers/net/ethernet/sfc/ef100_nic.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/net/ethernet/sfc/ef100_nic.c b/drivers/net/ethernet/sfc/ef100_nic.c
index bb246acca574..5e6a8337a336 100644
--- a/drivers/net/ethernet/sfc/ef100_nic.c
+++ b/drivers/net/ethernet/sfc/ef100_nic.c
@@ -332,6 +332,10 @@ static int ef100_reset(struct efx_nic *efx, enum reset_type reset_type)
 		__clear_bit(reset_type, &efx->reset_pending);
 		rc = dev_open(efx->net_dev, NULL);
 	} else if (reset_type == RESET_TYPE_ALL) {
+		rc = efx_mcdi_reset(efx, reset_type);
+		if (rc)
+			return rc;
+
 		netif_device_attach(efx->net_dev);
 
 		rc = dev_open(efx->net_dev, NULL);
@@ -466,6 +470,11 @@ static int ef100_probe_main(struct efx_nic *efx)
 	}
 	if (rc)
 		goto fail;
+	/* Reset (most) configuration for this function */
+	rc = efx_mcdi_reset(efx, RESET_TYPE_ALL);
+	if (rc)
+		goto fail;
+
 	rc = efx_ef100_init_datapath_caps(efx);
 	if (rc < 0)
 		goto fail;