From patchwork Thu Mar 3 08:31:36 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tyrone Ting X-Patchwork-Id: 1600242 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: bilbo.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20210112 header.b=h9EnuvlR; dkim-atps=neutral Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2620:137:e000::1:20; helo=out1.vger.email; envelope-from=linux-i2c-owner@vger.kernel.org; receiver=) Received: from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20]) by bilbo.ozlabs.org (Postfix) with ESMTP id 4K8PNm5NvJz9sFq for ; Thu, 3 Mar 2022 19:32:08 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231444AbiCCIct (ORCPT ); Thu, 3 Mar 2022 03:32:49 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58278 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231416AbiCCIcs (ORCPT ); Thu, 3 Mar 2022 03:32:48 -0500 Received: from mail-pj1-x1029.google.com (mail-pj1-x1029.google.com [IPv6:2607:f8b0:4864:20::1029]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0578A172885; Thu, 3 Mar 2022 00:32:03 -0800 (PST) Received: by mail-pj1-x1029.google.com with SMTP id c16-20020a17090aa61000b001befad2bfaaso3730400pjq.1; Thu, 03 Mar 2022 00:32:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=1s01zZHFACuhxfR/67Ujv9UUKWNEX0HdJ3GBxp+74ek=; b=h9EnuvlRu+k08wZ1xmmTF7IwWtV1tRvstde2NDAaEbS56B9/cC/dSXvnvUBF6aRql9 qvZiDBiUnKnw4I3xtb+d6T/2oQrSGzXP2q9ZSoU5PoJAsK4qVaGWN2onX7xTFzGqXUVR +uOAJ44Op79v5MUpssAOvimujokoJvGT3cdnrOOpnoxwDmle3LZvzEnT5dpVtKxZrRu+ 70OIkS+GazTu4nwfZYN4GUyQyukAi6edfEOCxkkndauTLiv7FmPBq+37rvepySBCqkom LuijPPb3oQz9FWMUAcaCfQfNqIKQ5KKdaaCno0Dd074Sed3PJoJXfh3jh28LH+EzyU+8 2NFw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=1s01zZHFACuhxfR/67Ujv9UUKWNEX0HdJ3GBxp+74ek=; b=n0Lrn7tI9aF4L+zPD9F6I0i0mKN0C5YeRXca9uGAM1PUYjWGAGugKr1HHflAYbz97k Cyq3FNmU0B6bmZxdDZkbWBIDBiCmal20Yl2aYpSmQOVQgTMm4z61dkXDc++sxhgVrUk4 TmVlaL5qHXc7WKS0mfBiNGnbSeNQwY9M91ANQKUKPEMx95rPtiKYt28OqqI094t849Lm rcm8KMHelY0hHLDnBuX9MdsQvAMRDjzz3gsjbFWxpkdIfSyjgnrx8MfVHE/12dyg93i8 DOCCHQQ/Ohyjt1g0O0gJYIIrhYNyeNxRld4/eKlcpXQ2f675P2ZocnDUZa8xIzzVqYn4 8/Ew== X-Gm-Message-State: AOAM531e6n+nFtJGWE5HhP0p63LFjxm8ZIrH7u5yvfRbRavoGKmpOLXh z3rKApzC+jdRAPC+q92mrQ== X-Google-Smtp-Source: ABdhPJzu1aZd+ZXqRi3c3bMSPY4hVoGU7gtwGYWJfi/4yzvj++fhZP6zPrDm68RRtnvJ/7UlG0piNQ== X-Received: by 2002:a17:902:b210:b0:14f:d0ff:46bb with SMTP id t16-20020a170902b21000b0014fd0ff46bbmr34893256plr.47.1646296322428; Thu, 03 Mar 2022 00:32:02 -0800 (PST) Received: from localhost ([2401:e180:8860:3b30:e4a0:392a:996e:c525]) by smtp.gmail.com with ESMTPSA id d5-20020a17090acd0500b001b9c05b075dsm7348851pju.44.2022.03.03.00.32.01 (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Thu, 03 Mar 2022 00:32:02 -0800 (PST) From: Tyrone Ting To: avifishman70@gmail.com, tmaimon77@gmail.com, tali.perry1@gmail.com, venture@google.com, yuenn@google.com, benjaminfair@google.com, robh+dt@kernel.org, krzysztof.kozlowski@canonical.com, yangyicong@hisilicon.com, semen.protsenko@linaro.org, wsa@kernel.org, jie.deng@intel.com, sven@svenpeter.dev, bence98@sch.bme.hu, lukas.bulwahn@gmail.com, arnd@arndb.de, olof@lixom.net, andriy.shevchenko@linux.intel.com, warp5tw@gmail.com, tali.perry@nuvoton.com, Avi.Fishman@nuvoton.com, tomer.maimon@nuvoton.com, KWLIU@nuvoton.com, JJLIU0@nuvoton.com, kfting@nuvoton.com Cc: openbmc@lists.ozlabs.org, linux-i2c@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 06/11] i2c: npcm: Fix timeout calculation Date: Thu, 3 Mar 2022 16:31:36 +0800 Message-Id: <20220303083141.8742-7-warp5tw@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220303083141.8742-1-warp5tw@gmail.com> References: <20220303083141.8742-1-warp5tw@gmail.com> X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM, RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org From: Tali Perry Use adap.timeout for timeout calculation instead of hard-coded value of 35ms. Fixes: 56a1485b102e ("i2c: npcm7xx: Add Nuvoton NPCM I2C controller driver") Signed-off-by: Tali Perry Signed-off-by: Tyrone Ting Reported-by: kernel test robot --- drivers/i2c/busses/i2c-npcm7xx.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/i2c/busses/i2c-npcm7xx.c b/drivers/i2c/busses/i2c-npcm7xx.c index c41de3afcf38..3fd30c38b3bf 100644 --- a/drivers/i2c/busses/i2c-npcm7xx.c +++ b/drivers/i2c/busses/i2c-npcm7xx.c @@ -2047,7 +2047,7 @@ static int npcm_i2c_master_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, u16 nwrite, nread; u8 *write_data, *read_data; u8 slave_addr; - int timeout; + unsigned long timeout; int ret = 0; bool read_block = false; bool read_PEC = false; @@ -2099,13 +2099,13 @@ static int npcm_i2c_master_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, * 9: bits per transaction (including the ack/nack) */ timeout_usec = (2 * 9 * USEC_PER_SEC / bus->bus_freq) * (2 + nread + nwrite); - timeout = max(msecs_to_jiffies(35), usecs_to_jiffies(timeout_usec)); + timeout = max_t(unsigned long, bus->adap.timeout, usecs_to_jiffies(timeout_usec)); if (nwrite >= 32 * 1024 || nread >= 32 * 1024) { dev_err(bus->dev, "i2c%d buffer too big\n", bus->num); return -EINVAL; } - time_left = jiffies + msecs_to_jiffies(DEFAULT_STALL_COUNT) + 1; + time_left = jiffies + timeout + 1; do { /* * we must clear slave address immediately when the bus is not @@ -2268,7 +2268,7 @@ static int npcm_i2c_probe_bus(struct platform_device *pdev) adap = &bus->adap; adap->owner = THIS_MODULE; adap->retries = 3; - adap->timeout = HZ; + adap->timeout = msecs_to_jiffies(35); adap->algo = &npcm_i2c_algo; adap->quirks = &npcm_i2c_quirks; adap->algo_data = bus;