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[209.132.180.67]) by mx.google.com with ESMTP id ay3si15142644plb.58.2019.02.18.20.51.43; Mon, 18 Feb 2019 20:51:57 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@nvidia.com header.s=n1 header.b=WuaAie5l; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=nvidia.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726352AbfBSEuh (ORCPT + 99 others); Mon, 18 Feb 2019 23:50:37 -0500 Received: from hqemgate16.nvidia.com ([216.228.121.65]:1202 "EHLO hqemgate16.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725730AbfBSEuh (ORCPT ); Mon, 18 Feb 2019 23:50:37 -0500 Received: from hqpgpgate102.nvidia.com (Not Verified[216.228.121.13]) by hqemgate16.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Mon, 18 Feb 2019 20:50:41 -0800 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate102.nvidia.com (PGP Universal service); Mon, 18 Feb 2019 20:50:36 -0800 X-PGP-Universal: processed; by hqpgpgate102.nvidia.com on Mon, 18 Feb 2019 20:50:36 -0800 Received: from HQMAIL110.nvidia.com (172.18.146.15) by HQMAIL103.nvidia.com (172.20.187.11) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Tue, 19 Feb 2019 04:50:36 +0000 Received: from HQMAIL103.nvidia.com (172.20.187.11) by hqmail110.nvidia.com (172.18.146.15) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Tue, 19 Feb 2019 04:50:30 +0000 Received: from hqnvemgw02.nvidia.com (172.16.227.111) by HQMAIL103.nvidia.com (172.20.187.11) with Microsoft SMTP Server (TLS) id 15.0.1395.4 via Frontend Transport; Tue, 19 Feb 2019 04:50:30 +0000 Received: from skomatineni-linux.nvidia.com (Not Verified[10.2.161.150]) by hqnvemgw02.nvidia.com with Trustwave SEG (v7,5,8,10121) id ; Mon, 18 Feb 2019 20:50:29 -0800 From: Sowjanya Komatineni To: , , , CC: , , , Subject: [PATCH V4 2/2] i2c: tegra: remove multi-master support Date: Mon, 18 Feb 2019 20:50:25 -0800 Message-ID: <1550551825-1245-2-git-send-email-skomatineni@nvidia.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1550551825-1245-1-git-send-email-skomatineni@nvidia.com> References: <1550551825-1245-1-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=1550551841; bh=pzNEtKdTrbqaZqgK9hSyAwcCXgOXh5EjLj0Qvh77Ix8=; h=X-PGP-Universal:From:To:CC:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:X-NVConfidentiality:MIME-Version: Content-Type; b=WuaAie5lmFenWSJNLnhohUH3tHxvCk21/89aCOW+cpSU1nXDVXHYdPsdK9LDxiy78 yx+a5mBCATUy5mFXvMzcZNzyimta6axe1lYrBh5tteolUXkYeDfKx0JYuvOJjyDr2k Dr5ix/Mf1wbbduEoCS8w571he0h/3gjRWo3/ZyubZNIrAfztPEwiPYFBkAiinwAi/O FSXgbH2r+4kOexr9+MB/fAvJDn4yQdWs2LZ2KuAprI1b7EcxoHMDXkjKXG4QR4f2CQ PbZ+YhWf4U9+dXyWA1Aqqpv1hEjh3F7gFyYeZby9abiQ4U1w9nW8xCmYB3tp4FiBKP T/pI0qYbgzctA== 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. 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