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=-9.2 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,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 493AFC43381 for ; Tue, 19 Feb 2019 17:29:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 19DD42147A for ; Tue, 19 Feb 2019 17:29:01 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=nvidia.com header.i=@nvidia.com header.b="G/R2Y8ou" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729589AbfBSR27 (ORCPT ); Tue, 19 Feb 2019 12:28:59 -0500 Received: from hqemgate16.nvidia.com ([216.228.121.65]:2055 "EHLO hqemgate16.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726612AbfBSR2y (ORCPT ); Tue, 19 Feb 2019 12:28:54 -0500 Received: from hqpgpgate101.nvidia.com (Not Verified[216.228.121.13]) by hqemgate16.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Tue, 19 Feb 2019 09:28:58 -0800 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate101.nvidia.com (PGP Universal service); Tue, 19 Feb 2019 09:28:53 -0800 X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Tue, 19 Feb 2019 09:28:53 -0800 Received: from HQMAIL108.nvidia.com (172.18.146.13) by HQMAIL108.nvidia.com (172.18.146.13) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Tue, 19 Feb 2019 17:28:53 +0000 Received: from hqnvemgw01.nvidia.com (172.20.150.20) by HQMAIL108.nvidia.com (172.18.146.13) with Microsoft SMTP Server (TLS) id 15.0.1395.4 via Frontend Transport; Tue, 19 Feb 2019 17:28:53 +0000 Received: from skomatineni-linux.nvidia.com (Not Verified[10.110.103.48]) by hqnvemgw01.nvidia.com with Trustwave SEG (v7,5,8,10121) id ; Tue, 19 Feb 2019 09:28:52 -0800 From: Sowjanya Komatineni To: , , , CC: , , , Subject: [PATCH V5 2/2] i2c: tegra: remove multi-master support Date: Tue, 19 Feb 2019 09:28:52 -0800 Message-ID: <1550597332-21018-2-git-send-email-skomatineni@nvidia.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1550597332-21018-1-git-send-email-skomatineni@nvidia.com> References: <1550597332-21018-1-git-send-email-skomatineni@nvidia.com> X-NVConfidentiality: public MIME-Version: 1.0 Content-Type: text/plain DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1550597338; bh=UAK2VDiujQroMVpouAIUfSRRD872Y5/G5n5yoQR71HA=; h=X-PGP-Universal:From:To:CC:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:X-NVConfidentiality:MIME-Version: Content-Type; b=G/R2Y8ourQI56wlOB86frUqKOvo2XMq7pmHpYzbcSCCtdzN9N6h4oTH2r2TUjX7bV +03MSC4vME5OSaKcYnLwsqMtRM5p0b8yibLdwEv5sIPAPTfhzj7xLuOW9dU4kJYZac PQHVTSeccEZNvSbwEs6jL9yXBFZw+l1CrZU7M5gjn1pOo2YoXNOKVQFXWTKbAostaL e/7vE/iLaU2TwQguXOj3lZfy4k6peXvzJ142eznypwxgsUaU/vJHdZGF02FlSrzRMX R+oSVL6fZwOY4pJK+YVit/0qEyu0Z6giQBlj5WoA3MpU5/iKC4gSFmBiruC3EM7Pcc JjK2zZp2Kth5g== Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Multi-master support is defeatured on Tegra210 and Tegra186 due to known bugs. This patch removes multi-master support for Tegra210 and Tegra186 I2C HW feature. Acked-by: Thierry Reding Signed-off-by: Sowjanya Komatineni --- drivers/i2c/busses/i2c-tegra.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c index e6851904acc1..26f686bc3491 100644 --- a/drivers/i2c/busses/i2c-tegra.c +++ b/drivers/i2c/busses/i2c-tegra.c @@ -1409,7 +1409,7 @@ static const struct tegra_i2c_hw_feature tegra210_i2c_hw = { .clk_divisor_fast_mode = 0x19, .clk_divisor_fast_plus_mode = 0x10, .has_config_load_reg = true, - .has_multi_master_mode = true, + .has_multi_master_mode = false, .has_slcg_override_reg = true, .has_mst_fifo = false, .quirks = &tegra_i2c_quirks, @@ -1434,7 +1434,7 @@ static const struct tegra_i2c_hw_feature tegra186_i2c_hw = { .clk_divisor_fast_mode = 0x19, .clk_divisor_fast_plus_mode = 0x10, .has_config_load_reg = true, - .has_multi_master_mode = true, + .has_multi_master_mode = false, .has_slcg_override_reg = true, .has_mst_fifo = false, .quirks = &tegra_i2c_quirks, -- 2.7.4