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=-3.5 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_PASS,URIBL_BLOCKED,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 7210FC433F4 for ; Thu, 20 Sep 2018 18:03:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1A36D2150F for ; Thu, 20 Sep 2018 18:03:28 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="SSr737h8" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1A36D2150F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=chromium.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730928AbeITXsG (ORCPT ); Thu, 20 Sep 2018 19:48:06 -0400 Received: from mail-pf1-f195.google.com ([209.85.210.195]:41537 "EHLO mail-pf1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727094AbeITXsG (ORCPT ); Thu, 20 Sep 2018 19:48:06 -0400 Received: by mail-pf1-f195.google.com with SMTP id h79-v6so4731391pfk.8 for ; Thu, 20 Sep 2018 11:03:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=/iuMC2k3DstUrHPClZARrvqFXdDrwKM+94ZNyoBTy0E=; b=SSr737h8cqMU5tUEPaWEv2uFYFzrgFxKV1G3nkHtmN5zkamsSKSWl7hifXn0Vtm8kv 93zKzok9w7b1uhju1JgfCOFYc3wzQyOM23TypGzBQ8cMRytj7VTJ+KZWhYFNAScgIETf Z1FzCXN6iPv4ykYYllQ+2Opduz9QN6++fTDuk= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=/iuMC2k3DstUrHPClZARrvqFXdDrwKM+94ZNyoBTy0E=; b=AfKJwLrdG5spvwBFjQN7zSTqK1XQxKH6/4SRl9v+IxCsipk0HTBVa1KIr6kGSJzmeN EkEBvglbAcOyz4KPZWkmTMCkY7rN8BVoMepiTgFVBQDnM+Dy5o35BBFrm425yXHSri76 4JUUaUwUXuAw33d5eTzjynP83NeE+DEAOA4xM5LKt4zJ8ou7R3gpMyF/A0Dtnj7g1YX4 xR30jL7nLC/7KMRpMSnIutxyDd/A9BIo2ii/2Pqq32ijwXglL//jv+kpmI7C422ZTTCO 4U0V+0qjpgFBPD/Z/eHSpWk9OPjbFjbBtzL6mNhwACVqsiMai1bQRuGhsHLKNeKIJ18O 42jw== X-Gm-Message-State: APzg51CoIsfQnbIf8c4ygWd/kNir9zoZgZ0yrxP649UCahfb+NdCoHiJ VF50V4LrtQml0lvv/aQ6xH1WNw== X-Google-Smtp-Source: ANB0VdY1+7lFE7CKDj5sinazbLn1XfKTr39/35/Xi1AcZpN5t7qHvkThsRU9GSnfRDDrjkdjvP34jA== X-Received: by 2002:a63:e855:: with SMTP id a21-v6mr769654pgk.4.1537466605836; Thu, 20 Sep 2018 11:03:25 -0700 (PDT) Received: from smtp.gmail.com ([2620:15c:202:201:7e28:b9f3:6afc:5326]) by smtp.gmail.com with ESMTPSA id h124-v6sm2941874pfg.112.2018.09.20.11.03.24 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 20 Sep 2018 11:03:24 -0700 (PDT) From: Stephen Boyd To: Wolfram Sang Cc: linux-kernel@vger.kernel.org, linux-i2c@vger.kernel.org, linux-arm-msm@vger.kernel.org, Karthikeyan Ramasubramanian , Sagar Dharia , Girish Mahadevan Subject: [PATCH v2 0/2] Fix qcom geni i2c DMA handling Date: Thu, 20 Sep 2018 11:03:21 -0700 Message-Id: <20180920180323.217377-1-swboyd@chromium.org> X-Mailer: git-send-email 2.19.0.444.g18242da7ef-goog MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The qcom GENI I2C driver fails DMA sometimes when things from request firmware are passed in as the message buffer. This patch series fixes that problem in the first patch and the second patch cleans up the code a little to reduce lines and simplify lines. Changes from v1: * Use i2c helpers to map buffers * New patch 2 to clean up seriously indented code Cc: Karthikeyan Ramasubramanian Cc: Sagar Dharia Cc: Girish Mahadevan Stephen Boyd (2): i2c: i2c-qcom-geni: Properly handle DMA safe buffers i2c: i2c-qcom-geni: Simplify tx/rx functions drivers/i2c/busses/i2c-qcom-geni.c | 68 +++++++++++++++++------------- 1 file changed, 39 insertions(+), 29 deletions(-) -- Sent by a computer through tubes