From patchwork Mon Jan 31 10:55:40 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 538822 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B1631C433FE for ; Mon, 31 Jan 2022 11:12:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245465AbiAaLMZ (ORCPT ); Mon, 31 Jan 2022 06:12:25 -0500 Received: from ams.source.kernel.org ([145.40.68.75]:57770 "EHLO ams.source.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1377535AbiAaLKL (ORCPT ); Mon, 31 Jan 2022 06:10:11 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 36345B82A59; Mon, 31 Jan 2022 11:10:10 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7B2E3C340EF; Mon, 31 Jan 2022 11:10:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1643627409; bh=GQCI7RBVW0ex3uiYAQNe3UR52tlP5on/Kt1jiANIWBE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=y8km3tBCIw+JELKof+VctBasdco0wYPzz6E5eszajXrkNnGDPgdwNyK+LufQuxMwz iQJU1I1xlKh3xxXz1ZKXqrGoO9TmFzFiis4i5JLmkS7VLKBx+NZXNo5rAYrp9ul1sV mu3giXiamSmKt9Ka/Mltx9TbERUp9wipT94YkLfw= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Arkadiusz Kubalewski , Jedrzej Jagielski , Gurucharan G , Tony Nguyen Subject: [PATCH 5.15 075/171] i40e: Increase delay to 1 s after global EMP reset Date: Mon, 31 Jan 2022 11:55:40 +0100 Message-Id: <20220131105232.580384291@linuxfoundation.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220131105229.959216821@linuxfoundation.org> References: <20220131105229.959216821@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Jedrzej Jagielski commit 9b13bd53134c9ddd544a790125199fdbdb505e67 upstream. Recently simplified i40e_rebuild causes that FW sometimes is not ready after NVM update, the ping does not return. Increase the delay in case of EMP reset. Old delay of 300 ms was introduced for specific cards for 710 series. Now it works for all the cards and delay was increased. Fixes: 1fa51a650e1d ("i40e: Add delay after EMP reset for firmware to recover") Signed-off-by: Arkadiusz Kubalewski Signed-off-by: Jedrzej Jagielski Tested-by: Gurucharan G Signed-off-by: Tony Nguyen Signed-off-by: Greg Kroah-Hartman --- drivers/net/ethernet/intel/i40e/i40e_main.c | 12 +++--------- 1 file changed, 3 insertions(+), 9 deletions(-) --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -10574,15 +10574,9 @@ static void i40e_rebuild(struct i40e_pf } i40e_get_oem_version(&pf->hw); - if (test_bit(__I40E_EMP_RESET_INTR_RECEIVED, pf->state) && - ((hw->aq.fw_maj_ver == 4 && hw->aq.fw_min_ver <= 33) || - hw->aq.fw_maj_ver < 4) && hw->mac.type == I40E_MAC_XL710) { - /* The following delay is necessary for 4.33 firmware and older - * to recover after EMP reset. 200 ms should suffice but we - * put here 300 ms to be sure that FW is ready to operate - * after reset. - */ - mdelay(300); + if (test_and_clear_bit(__I40E_EMP_RESET_INTR_RECEIVED, pf->state)) { + /* The following delay is necessary for firmware update. */ + mdelay(1000); } /* re-verify the eeprom if we just had an EMP reset */