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[209.132.180.67]) by mx.google.com with ESMTP id e96si17471933plb.123.2019.02.19.09.30.50; Tue, 19 Feb 2019 09:31:07 -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="G/R2Y8ou"; 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 S1729579AbfBSR27 (ORCPT + 99 others); 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