| Message ID | 1594786855-26506-8-git-send-email-skomatineni@nvidia.com |
|---|---|
| State | Superseded |
| Headers | show
Return-Path: <linux-i2c-owner@vger.kernel.org>
X-Original-To: incoming@patchwork.ozlabs.org
Delivered-To: patchwork-incoming@bilbo.ozlabs.org
Authentication-Results: ozlabs.org;
spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org
(client-ip=23.128.96.18; helo=vger.kernel.org;
envelope-from=linux-i2c-owner@vger.kernel.org; receiver=<UNKNOWN>)
Authentication-Results: ozlabs.org;
dmarc=pass (p=none dis=none) header.from=nvidia.com
Authentication-Results: ozlabs.org;
dkim=pass (2048-bit key;
unprotected) header.d=nvidia.com header.i=@nvidia.com header.a=rsa-sha256
header.s=n1 header.b=Hc4EcN1U;
dkim-atps=neutral
Received: from vger.kernel.org (vger.kernel.org [23.128.96.18])
by ozlabs.org (Postfix) with ESMTP id 4B640Q73f7z9sTC
for <incoming@patchwork.ozlabs.org>; Wed, 15 Jul 2020 14:19:34 +1000 (AEST)
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
id S1728264AbgGOETd (ORCPT <rfc822;incoming@patchwork.ozlabs.org>);
Wed, 15 Jul 2020 00:19:33 -0400
Received: from hqnvemgate25.nvidia.com ([216.228.121.64]:11978 "EHLO
hqnvemgate25.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
with ESMTP id S1728232AbgGOETb (ORCPT
<rfc822;linux-i2c@vger.kernel.org>); Wed, 15 Jul 2020 00:19:31 -0400
Received: from hqpgpgate102.nvidia.com (Not Verified[216.228.121.13]) by
hqnvemgate25.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA)
id <B5f0e83980000>; Tue, 14 Jul 2020 21:18:32 -0700
Received: from hqmail.nvidia.com ([172.20.161.6])
by hqpgpgate102.nvidia.com (PGP Universal service);
Tue, 14 Jul 2020 21:19:30 -0700
X-PGP-Universal: processed;
by hqpgpgate102.nvidia.com on Tue, 14 Jul 2020 21:19:30 -0700
Received: from HQMAIL111.nvidia.com (172.20.187.18) by HQMAIL101.nvidia.com
(172.20.187.10) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Wed, 15 Jul
2020 04:19:30 +0000
Received: from rnnvemgw01.nvidia.com (10.128.109.123) by HQMAIL111.nvidia.com
(172.20.187.18) with Microsoft SMTP Server (TLS) id 15.0.1473.3 via Frontend
Transport; Wed, 15 Jul 2020 04:19:29 +0000
Received: from skomatineni-linux.nvidia.com (Not Verified[10.2.160.169]) by
rnnvemgw01.nvidia.com with Trustwave SEG (v7,5,8,10121)
id <B5f0e83d00002>; Tue, 14 Jul 2020 21:19:29 -0700
From: Sowjanya Komatineni <skomatineni@nvidia.com>
To: <skomatineni@nvidia.com>, <thierry.reding@gmail.com>,
<jonathanh@nvidia.com>, <frankc@nvidia.com>, <hverkuil@xs4all.nl>,
<sakari.ailus@iki.fi>, <robh+dt@kernel.org>,
<helen.koike@collabora.com>
CC: <digetx@gmail.com>, <sboyd@kernel.org>,
<gregkh@linuxfoundation.org>, <linux-media@vger.kernel.org>,
<devicetree@vger.kernel.org>, <linux-tegra@vger.kernel.org>,
<linux-kernel@vger.kernel.org>, <linux-i2c@vger.kernel.org>
Subject: [RFC PATCH v3 07/18] i2c: tegra: Avoid tegra_i2c_init_dma() for
Tegra210 vi i2c
Date: Tue, 14 Jul 2020 21:20:44 -0700
Message-ID: <1594786855-26506-8-git-send-email-skomatineni@nvidia.com>
X-Mailer: git-send-email 2.7.4
In-Reply-To: <1594786855-26506-1-git-send-email-skomatineni@nvidia.com>
References: <1594786855-26506-1-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=1594786712; bh=bx39F/3n9Q/pzD3y/Hu3Hjt/owO0zkylWWejNtiAobk=;
h=X-PGP-Universal:From:To:CC:Subject:Date:Message-ID:X-Mailer:
In-Reply-To:References:X-NVConfidentiality:MIME-Version:
Content-Type;
b=Hc4EcN1U4PoSZ7CTF+0Ivlw7U3QxXpFbGOlGEUEJOZT+WzWzFTVXX/GI7IAoWYwdD
iSIeSpVlVntd7fqqw0SaHkLbZCmPEgSP1PQCYpdXlWn9ULWtuULoPkjQe/lY42wLD2
eTniooK6SuhGwED2DlZg+FBH1Jm0la53jmkgSEv1V1RR5JUWcdfSxnPEgFgsx+dmU0
5TFLwrY8xWKy+E0Cyw1aw5+i6xxs64MvX43NAg2SYhUKZdHZNLB5Wi3ExovvdNNhI2
PZljrrUfdkCIO1tPqX0l49TdQ8a4NVQYlhT75DCTtePbqEoBtAekCseyUR5HH75rYV
Go1u8whx/1SBA==
Sender: linux-i2c-owner@vger.kernel.org
Precedence: bulk
List-ID: <linux-i2c.vger.kernel.org>
X-Mailing-List: linux-i2c@vger.kernel.org
|
| Series |
[RFC,v3,01/18] dt-bindings: i2c: tegra: Document Tegra210 VI I2C clocks and power-domains
|
expand
|
diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c index 1bf3666..00d3e4d 100644 --- a/drivers/i2c/busses/i2c-tegra.c +++ b/drivers/i2c/busses/i2c-tegra.c @@ -421,7 +421,7 @@ static int tegra_i2c_init_dma(struct tegra_i2c_dev *i2c_dev) dma_addr_t dma_phys; int err; - if (!i2c_dev->hw->has_apb_dma) + if (!i2c_dev->hw->has_apb_dma || i2c_dev->is_vi) return 0; if (!IS_ENABLED(CONFIG_TEGRA20_APB_DMA)) {
VI I2C is on host1x bus so APB DMA can't be used for Tegra210 VI I2C and there are no tx and rx dma channels for VI I2C. So, avoid attempt of requesting DMA channels. Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com> --- drivers/i2c/busses/i2c-tegra.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)