From patchwork Fri Jun 19 14:31:55 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 224269 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0DF17C433E0 for ; Fri, 19 Jun 2020 14:36:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D7A7121548 for ; Fri, 19 Jun 2020 14:36:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1592577402; bh=StM8Mz4zDrwZucJ3FbQLllhtm41L09CDt96wvqoY6KU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=xpHLAzhBXPrd8FTJ+C/hjrX592xlcktWqP8lLJMMFKsTvgIwjkDvt8XlpYPzyf9GL gUGN7/QmdF3uyW+EGTLqMGN3Ms+BnDpEUhnuLKDQ0dC402dLA/W/O2PsbXhZ6bap8n iX3bQu0INXC2VLevnH57ckndfxV4RW6+HMucvlkQ= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387564AbgFSOgj (ORCPT ); Fri, 19 Jun 2020 10:36:39 -0400 Received: from mail.kernel.org ([198.145.29.99]:53150 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387552AbgFSOgh (ORCPT ); Fri, 19 Jun 2020 10:36:37 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 3209F2158C; Fri, 19 Jun 2020 14:36:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1592577397; bh=StM8Mz4zDrwZucJ3FbQLllhtm41L09CDt96wvqoY6KU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=zF9CftVlLVOdafO3/It4tqYoSRhAjaN/nX/F3T8Kd/s85chn72JiPL6fliIxjXFnr rywyECMdovSGcJJ7pS4V3P/4+R2kONW5tP9uZFKkDmXfPhsR+uwhJRg43XpSZgND1y Uv0GLq9YXD3Q601ZqQ+xJLzJK0Yb6KxOpUxMHup8= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Jarod Wilson , Alexander Duyck , Aaron Brown , Jeff Kirsher , Jeff Chase Subject: [PATCH 4.4 006/101] igb: improve handling of disconnected adapters Date: Fri, 19 Jun 2020 16:31:55 +0200 Message-Id: <20200619141614.342127109@linuxfoundation.org> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200619141614.001544111@linuxfoundation.org> References: <20200619141614.001544111@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Jarod Wilson commit 7b06a6909555ffb0140733cc4420222604140b27 upstream. Clean up array_rd32 so that it uses igb_rd32 the same as rd32, per the suggestion of Alexander Duyck, and use io_addr in more places, so that we don't have the need to call E1000_REMOVED (which simply looks for a null hw_addr) nearly as much. Signed-off-by: Jarod Wilson Acked-by: Alexander Duyck Tested-by: Aaron Brown Signed-off-by: Jeff Kirsher Cc: Jeff Chase Signed-off-by: Greg Kroah-Hartman --- drivers/net/ethernet/intel/igb/e1000_regs.h | 3 +-- drivers/net/ethernet/intel/igb/igb_main.c | 5 ++--- 2 files changed, 3 insertions(+), 5 deletions(-) --- a/drivers/net/ethernet/intel/igb/e1000_regs.h +++ b/drivers/net/ethernet/intel/igb/e1000_regs.h @@ -386,8 +386,7 @@ do { \ #define array_wr32(reg, offset, value) \ wr32((reg) + ((offset) << 2), (value)) -#define array_rd32(reg, offset) \ - (readl(hw->hw_addr + reg + ((offset) << 2))) +#define array_rd32(reg, offset) (igb_rd32(hw, reg + ((offset) << 2))) /* DMA Coalescing registers */ #define E1000_PCIEMISC 0x05BB8 /* PCIE misc config register */ --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -946,7 +946,6 @@ static void igb_configure_msix(struct ig static int igb_request_msix(struct igb_adapter *adapter) { struct net_device *netdev = adapter->netdev; - struct e1000_hw *hw = &adapter->hw; int i, err = 0, vector = 0, free_vector = 0; err = request_irq(adapter->msix_entries[vector].vector, @@ -959,7 +958,7 @@ static int igb_request_msix(struct igb_a vector++; - q_vector->itr_register = hw->hw_addr + E1000_EITR(vector); + q_vector->itr_register = adapter->io_addr + E1000_EITR(vector); if (q_vector->rx.ring && q_vector->tx.ring) sprintf(q_vector->name, "%s-TxRx-%u", netdev->name, @@ -1230,7 +1229,7 @@ static int igb_alloc_q_vector(struct igb q_vector->tx.work_limit = adapter->tx_work_limit; /* initialize ITR configuration */ - q_vector->itr_register = adapter->hw.hw_addr + E1000_EITR(0); + q_vector->itr_register = adapter->io_addr + E1000_EITR(0); q_vector->itr_val = IGB_START_ITR; /* initialize pointer to rings */