From patchwork Sat Jun 20 19:03:19 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wolfram Sang X-Patchwork-Id: 6651551 X-Patchwork-Delegate: geert@linux-m68k.org Return-Path: X-Original-To: patchwork-linux-sh@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 293959F39B for ; Sat, 20 Jun 2015 19:03:33 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 200C1206FB for ; Sat, 20 Jun 2015 19:03:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 78644206FF for ; Sat, 20 Jun 2015 19:03:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754065AbbFTTDa (ORCPT ); Sat, 20 Jun 2015 15:03:30 -0400 Received: from sauhun.de ([89.238.76.85]:34503 "EHLO pokefinder.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932197AbbFTTDa (ORCPT ); Sat, 20 Jun 2015 15:03:30 -0400 Received: from p4fe24fb8.dip0.t-ipconnect.de ([79.226.79.184]:53325 helo=localhost) by pokefinder.org with esmtpsa (TLS1.2:RSA_AES_128_CBC_SHA1:128) (Exim 4.80) (envelope-from ) id 1Z6O36-00011b-2I; Sat, 20 Jun 2015 21:03:28 +0200 From: Wolfram Sang To: linux-i2c@vger.kernel.org Cc: linux-sh@vger.kernel.org, Magnus Damm , Simon Horman , Laurent Pinchart , Geert Uytterhoeven , Wolfram Sang Subject: [PATCH 1/4] i2c: rcar: use adapter default for timeout Date: Sat, 20 Jun 2015 21:03:19 +0200 Message-Id: <1434827002-25918-2-git-send-email-wsa@the-dreams.de> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1434827002-25918-1-git-send-email-wsa@the-dreams.de> References: <1434827002-25918-1-git-send-email-wsa@the-dreams.de> Sender: linux-sh-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-sh@vger.kernel.org X-Spam-Status: No, score=-7.5 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Wolfram Sang 5 seconds is a very large timeout, and it is hardcoded. Use the default timeout from 'struct adapter' which is 1 second. It can also be modified from userspace for specific workloads via i2c-dev. Signed-off-by: Wolfram Sang --- drivers/i2c/busses/i2c-rcar.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/i2c/busses/i2c-rcar.c b/drivers/i2c/busses/i2c-rcar.c index 9eef46254369b3..e57e520b4756a9 100644 --- a/drivers/i2c/busses/i2c-rcar.c +++ b/drivers/i2c/busses/i2c-rcar.c @@ -532,7 +532,7 @@ static int rcar_i2c_master_xfer(struct i2c_adapter *adap, timeout = wait_event_timeout(priv->wait, rcar_i2c_flags_has(priv, ID_DONE), - 5 * HZ); + adap->timeout); if (!timeout) { ret = -ETIMEDOUT; break;