From mboxrd@z Thu Jan 1 00:00:00 1970 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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 CAC64C2BA19 for ; Sat, 11 Apr 2020 23:47:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A4CD6206F7 for ; Sat, 11 Apr 2020 23:47:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1586648858; bh=FhwNWTInCUchQv6U+o9vDwjfJz9PnhafWTOYo4ykAIg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=N0ald+5fexLB0sHuaZGjjLG1i4a7BQ4bap9D484bmgAQZPfCFQ4UWCi4a4VH1PZrQ 8u4aFh3l3MmO9XwS8jIyoJGnPsmLINYKKxZEpQWDqKw27GmQ3C7fw613B6XszplnQC jUQBg+Og0efdRtXzINxsRiYZsfjE4DFuFCECyNhM= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727641AbgDKXE6 (ORCPT ); Sat, 11 Apr 2020 19:04:58 -0400 Received: from mail.kernel.org ([198.145.29.99]:38620 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727573AbgDKXEx (ORCPT ); Sat, 11 Apr 2020 19:04:53 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 37E6720CC7; Sat, 11 Apr 2020 23:04:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1586646294; bh=FhwNWTInCUchQv6U+o9vDwjfJz9PnhafWTOYo4ykAIg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=g0bmSSvl9B9qzxkBiW16+ZoA8Qkh48VX0VRVvDewzkbPq/To7Ua+iwKwKmbgJVMNv bv5K2/rp+xMuM29rNGzT5erJF5h4apSZx4xm8qW8ySkGcLen4dPNz2Op0AgJOeTARK U3KzLl5Cc1nApQieatJzhY1TP5hitAFevQLtrRSs= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Sergei Shtylyov , Chris Brandt , "David S . Miller" , Sasha Levin , netdev@vger.kernel.org, linux-renesas-soc@vger.kernel.org Subject: [PATCH AUTOSEL 5.6 054/149] sh_eth: check sh_eth_cpu_data::no_tx_cntrs when dumping registers Date: Sat, 11 Apr 2020 19:02:11 -0400 Message-Id: <20200411230347.22371-54-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200411230347.22371-1-sashal@kernel.org> References: <20200411230347.22371-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Sergei Shtylyov [ Upstream commit 6eaeedc1aa27a423bd89043705eca39215015bb3 ] When adding the sh_eth_cpu_data::no_tx_cntrs flag I forgot to add the flag check to __sh_eth_get_regs(), causing the non-existing TX counter registers to be considered for dumping on the R7S72100 SoC (the register offset sanity check has the final say here)... Fixes: ce9134dff6d9 ("sh_eth: add sh_eth_cpu_data::no_tx_cntrs flag") Signed-off-by: Sergei Shtylyov Tested-by: Chris Brandt Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/ethernet/renesas/sh_eth.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c index 58ca126518a22..cd1f5842b1310 100644 --- a/drivers/net/ethernet/renesas/sh_eth.c +++ b/drivers/net/ethernet/renesas/sh_eth.c @@ -2184,10 +2184,12 @@ static size_t __sh_eth_get_regs(struct net_device *ndev, u32 *buf) add_reg(BCULR); add_reg(MAHR); add_reg(MALR); - add_reg(TROCR); - add_reg(CDCR); - add_reg(LCCR); - add_reg(CNDCR); + if (!cd->no_tx_cntrs) { + add_reg(TROCR); + add_reg(CDCR); + add_reg(LCCR); + add_reg(CNDCR); + } add_reg(CEFCR); add_reg(FRECR); add_reg(TSFRCR); -- 2.20.1