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=-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,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 49FCAC433E0 for ; Mon, 1 Jun 2020 18:41:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 23119206E2 for ; Mon, 1 Jun 2020 18:41:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1591036890; bh=5ohnT+53OhofnfzhkpfOKq3gy1ljv3XtLhTw5zwu6js=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=e7uY+m1Y0z7Yq/e2kuUFqbk82DprAcX6ilgY4lts5KSAASMOpiSZdqy1ZC/BdcISs mAIBZRWTIBOBFrc/ti4dTEVv6XjC+fX7GDezsYje7XLxIXYOZqrRdxHk4OoAQ5MWdO MhfLevbkjx/4qY+6qYKWWe+93UcSdPkKYnOe3U2M= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731242AbgFASMd (ORCPT ); Mon, 1 Jun 2020 14:12:33 -0400 Received: from mail.kernel.org ([198.145.29.99]:59914 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731231AbgFASMd (ORCPT ); Mon, 1 Jun 2020 14:12:33 -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 EEDED2065C; Mon, 1 Jun 2020 18:12:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1591035152; bh=5ohnT+53OhofnfzhkpfOKq3gy1ljv3XtLhTw5zwu6js=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=QFQ5yZW3xMbMSvDm7fcuLfRIrmikaffGO26x6RRzlFU2Yr9A2bsO7FHvlKf6i4EHp +awGArvJyc/ScsJdA7/EkOmDwvsGt2lHiep7v+UrEYJM1WLFSvF1PrsmrOhCU6IsgL aHWS9pg2GAXQ5rKXA1zaGO0ffsP2Gailk6TnhY+g= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Heiner Kallweit , "David S. Miller" Subject: [PATCH 5.6 031/177] r8169: fix OCP access on RTL8117 Date: Mon, 1 Jun 2020 19:52:49 +0200 Message-Id: <20200601174051.463573340@linuxfoundation.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200601174048.468952319@linuxfoundation.org> References: <20200601174048.468952319@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Heiner Kallweit [ Upstream commit 561535b0f23961ced071b82575d5e83e6351a814 ] According to r8168 vendor driver DASHv3 chips like RTL8168fp/RTL8117 need a special addressing for OCP access. Fix is compile-tested only due to missing test hardware. Fixes: 1287723aa139 ("r8169: add support for RTL8117") Signed-off-by: Heiner Kallweit Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- drivers/net/ethernet/realtek/r8169_main.c | 17 +++++++++++++++-- 1 file changed, 15 insertions(+), 2 deletions(-) --- a/drivers/net/ethernet/realtek/r8169_main.c +++ b/drivers/net/ethernet/realtek/r8169_main.c @@ -1044,6 +1044,13 @@ static u16 rtl_ephy_read(struct rtl8169_ RTL_R32(tp, EPHYAR) & EPHYAR_DATA_MASK : ~0; } +static void r8168fp_adjust_ocp_cmd(struct rtl8169_private *tp, u32 *cmd, int type) +{ + /* based on RTL8168FP_OOBMAC_BASE in vendor driver */ + if (tp->mac_version == RTL_GIGA_MAC_VER_52 && type == ERIAR_OOB) + *cmd |= 0x7f0 << 18; +} + DECLARE_RTL_COND(rtl_eriar_cond) { return RTL_R32(tp, ERIAR) & ERIAR_FLAG; @@ -1052,9 +1059,12 @@ DECLARE_RTL_COND(rtl_eriar_cond) static void _rtl_eri_write(struct rtl8169_private *tp, int addr, u32 mask, u32 val, int type) { + u32 cmd = ERIAR_WRITE_CMD | type | mask | addr; + BUG_ON((addr & 3) || (mask == 0)); RTL_W32(tp, ERIDR, val); - RTL_W32(tp, ERIAR, ERIAR_WRITE_CMD | type | mask | addr); + r8168fp_adjust_ocp_cmd(tp, &cmd, type); + RTL_W32(tp, ERIAR, cmd); rtl_udelay_loop_wait_low(tp, &rtl_eriar_cond, 100, 100); } @@ -1067,7 +1077,10 @@ static void rtl_eri_write(struct rtl8169 static u32 _rtl_eri_read(struct rtl8169_private *tp, int addr, int type) { - RTL_W32(tp, ERIAR, ERIAR_READ_CMD | type | ERIAR_MASK_1111 | addr); + u32 cmd = ERIAR_READ_CMD | type | ERIAR_MASK_1111 | addr; + + r8168fp_adjust_ocp_cmd(tp, &cmd, type); + RTL_W32(tp, ERIAR, cmd); return rtl_udelay_loop_wait_high(tp, &rtl_eriar_cond, 100, 100) ? RTL_R32(tp, ERIDR) : ~0;