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: 148902 Delivered-To: patch@linaro.org Received: by 2002:a2e:8595:0:0:0:0:0 with SMTP id b21-v6csp4543385lji; Mon, 15 Oct 2018 20:02:40 -0700 (PDT) X-Google-Smtp-Source: ACcGV62eVkcF6aOY81gK4jz84Yju2uO9dbEHRr2qnT43uRrkEvFyf5NaIpg9JsYUxJjiwLo7joOJ X-Received: by 2002:a63:ac02:: with SMTP id v2-v6mr18518371pge.414.1539658960514; Mon, 15 Oct 2018 20:02:40 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1539658960; cv=none; d=google.com; s=arc-20160816; b=qkWbILWmIFDA3hSsgBzuG46Gutg3bzoj26CBOBeoYOv6Wc5bvE35M7xBjoGza967qu HCurXovfeS0sSICVHTa947owt30YH0U+EwGXPOfwGlAMfDHJr2vTj2gy1I4RqQvQzSHO bMYA0OvQQvOl44XNhRnlH/yx+GU7FZnd0lb6rIbFmCO7Cl/841gzkXOWAJxrF2wFbQU9 RyqN5Dt3ZulBigF9iD775gzjK7yoOp4nr8LCp/trMxRpv3aRAjFr204HXLSEoe57KQaj XVycwYVpFpYUCjizNcy+wPgwFQ1R2a8tL9iSg0oCtGN9JrBr27+gyoytsKiTY0iKTleK FzgA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:message-id:date:subject:cc:to:from :dkim-signature:dkim-filter; bh=3+DBLGjXkF5C+3nNMUWftHyifNeqRg+ws54R/o/LmFI=; b=zCfNGO9BnY6fIGn7WwR6+owWxrh2bEk742QvModEWJAVGWKisEX4Y70Gr2F01uH6G1 7teDy2jsaZ7bFGPC2cTjj6sQ9sJpZANnM8KsbG0rDwQeKvq0Nzv36NCv8NfcXDt9Xx4u MMiwKt5Dm2NZVTDHPJQBEtV44O2vb8p8rPNIIxAGha/XAFH8yoqa7wcMXmIaPIsG7okH G2UxZQu12Tn+0aNTx0F4ecojV7MQYDD+y1/qLpwludyliH8LUsfHPHthpzvALdfWXSgq k8zlclan2jHQhvOa3Q3H2BRDkVFqXhNWikEbnszFDEMX+4kADkW8TLhMo5WTOpyCZkrD 1x7w== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@nifty.com header.s=dec2015msa header.b=Lj6IzaRS; 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 Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id m13-v6si13375667pfd.123.2018.10.15.20.02.40; Mon, 15 Oct 2018 20:02:40 -0700 (PDT) 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=@nifty.com header.s=dec2015msa header.b=Lj6IzaRS; 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 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727398AbeJPKup (ORCPT + 32 others); Tue, 16 Oct 2018 06:50:45 -0400 Received: from conuserg-12.nifty.com ([210.131.2.79]:45971 "EHLO conuserg-12.nifty.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727384AbeJPKup (ORCPT ); Tue, 16 Oct 2018 06:50:45 -0400 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-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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(-) -- 2.7.4