From patchwork Tue Oct 16 03:01:46 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Masahiro Yamada X-Patchwork-Id: 984522 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-i2c-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=socionext.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=nifty.com header.i=@nifty.com header.b="Lj6IzaRS"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 42Z0gl6lX9z9sCT for ; Tue, 16 Oct 2018 14:10:59 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727196AbeJPK7I (ORCPT ); Tue, 16 Oct 2018 06:59:08 -0400 Received: from condef-07.nifty.com ([202.248.20.72]:47679 "EHLO condef-07.nifty.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727094AbeJPK7H (ORCPT ); Tue, 16 Oct 2018 06:59:07 -0400 Received: from conuserg-12.nifty.com ([10.126.8.75])by condef-07.nifty.com with ESMTP id w9G32bjI009754 for ; Tue, 16 Oct 2018 12:02:38 +0900 Received: from pug.e01.socionext.com (p14092-ipngnfx01kyoto.kyoto.ocn.ne.jp [153.142.97.92]) (authenticated) by conuserg-12.nifty.com with ESMTP id w9G31q7D017707; Tue, 16 Oct 2018 12:01:52 +0900 DKIM-Filter: OpenDKIM Filter v2.10.3 conuserg-12.nifty.com w9G31q7D017707 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nifty.com; s=dec2015msa; t=1539658912; bh=3+DBLGjXkF5C+3nNMUWftHyifNeqRg+ws54R/o/LmFI=; h=From:To:Cc:Subject:Date:From; b=Lj6IzaRS5k0pgs+K6UN86QcA/6xfOfBfsdMM6hl5Hjh0K3ySgLHSF0fGSG5IAfcjC zLvpaDGrgZ2+FW0cRoGkcZns2APbGa6LEtZo5g+zV3Jn4J5rwQU+jxzK2vcZJ9i8DT P+rY13oHjtf1u6xdUgjK8SwsRYGJXOCJCQ+Hyvd4ABvJJJuWhmuUBQg7EWhu8tE7+W 72Mqy4FN2QdmmBIbnHCj7FF7TzrPTUWgoB5+aNyILNiU2pTVh1fxpESip+UGKHXpsv ZNLFlg4KedvJ4HIVkAq/41J/ul/RA+oD24bbnvpaaTuqBqayeqvFonlL8gs7DoR6jE kOZxi8Ar0K/0Q== X-Nifty-SrcIP: [153.142.97.92] From: Masahiro Yamada To: Wolfram Sang , linux-i2c@vger.kernel.org Cc: Masahiro Yamada , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 0/3] i2c: uniphier-f: fix concurrency issues and race conditions Date: Tue, 16 Oct 2018 12:01:46 +0900 Message-Id: <1539658909-26691-1-git-send-email-yamada.masahiro@socionext.com> X-Mailer: git-send-email 2.7.4 Sender: linux-i2c-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org Currently, this driver has issues that rarely happen. With this patch series, long-run tests passed. Masahiro Yamada (3): i2c: uniphier-f: make driver robust against concurrency i2c: uniphier-f: fix occasional timeout error i2c: uniphier-f: fix race condition when IRQ is cleared drivers/i2c/busses/i2c-uniphier-f.c | 59 +++++++++++++++++++++++++++++-------- 1 file changed, 46 insertions(+), 13 deletions(-)