netdev - [net-next 01/15] ice: Poll for reset completion when DDP load fails

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Message-Id: <20200529000831.2803870-2-jeffrey.t.kirsher@intel.com>
Date:   Thu, 28 May 2020 17:08:17 -0700
From:   Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To:     davem@...emloft.net
Cc:     Anirudh Venkataramanan <anirudh.venkataramanan@...el.com>,
        netdev@...r.kernel.org, nhorman@...hat.com, sassmann@...hat.com,
        Andrew Bowers <andrewx.bowers@...el.com>,
        Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Subject: [net-next 01/15] ice: Poll for reset completion when DDP load fails

From: Anirudh Venkataramanan <anirudh.venkataramanan@...el.com>

There are certain cases where the DDP load fails and the FW issues a
core reset. For these cases, wait for reset to complete before
proceeding with reset of the driver init.

Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@...el.com>
Tested-by: Andrew Bowers <andrewx.bowers@...el.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
---
 drivers/net/ethernet/intel/ice/ice_main.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c
index b64c4e796636..6583acf32575 100644
--- a/drivers/net/ethernet/intel/ice/ice_main.c
+++ b/drivers/net/ethernet/intel/ice/ice_main.c
@@ -3086,6 +3086,9 @@ ice_log_pkg_init(struct ice_hw *hw, enum ice_status *status)
 		case ICE_AQ_RC_EBADMAN:
 		case ICE_AQ_RC_EBADBUF:
 			dev_err(dev, "An error occurred on the device while loading the DDP package.  The device will be reset.\n");
+			/* poll for reset to complete */
+			if (ice_check_reset(hw))
+				dev_err(dev, "Error resetting device. Please reload the driver\n");
 			return;
 		default:
 			break;
-- 
2.26.2