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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1514CC433F5 for ; Tue, 5 Oct 2021 00:32:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EBAB761357 for ; Tue, 5 Oct 2021 00:32:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229636AbhJEAeS (ORCPT ); Mon, 4 Oct 2021 20:34:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49288 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229486AbhJEAeS (ORCPT ); Mon, 4 Oct 2021 20:34:18 -0400 Received: from mail-oi1-x22f.google.com (mail-oi1-x22f.google.com [IPv6:2607:f8b0:4864:20::22f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B5163C061745; Mon, 4 Oct 2021 17:32:28 -0700 (PDT) Received: by mail-oi1-x22f.google.com with SMTP id e24so23918409oig.11; Mon, 04 Oct 2021 17:32:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=sender:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=BhZqZNJ0Z8AdP/BF4tKqqVeWz0lpW5ZW0Of41oO70rM=; b=CHe5+rQj8FHa1TVTgumYYJGgqgdMCJirrz+5tEqHccTe4nUWkAqzgFcb3Zxlo4cDlR gM+bYqnAHn8UZPC3O3x+AB8HaaxL0uV8gPasMrakr31uoDJGEkxinT64j/BLRtPeVqsI wSrk2wuJtyXKyg1yf5dWDXPtuB2Hoxh765UV3xarS3mU1RD5aIm/FfG/toViQY+CxslA +xHjxI2uDlXpz8xC39GQsKoXo4hcO6Jzr10Euengg7H3G5iv/VLZOHXJAmTsvQreycwU o6St1P48NL97oZhmQs+YXlBXqXXsN/St4VEk340hZiKDwPnDcwowbgdKltphCLEjoTpk 1D+A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :mime-version:content-transfer-encoding; bh=BhZqZNJ0Z8AdP/BF4tKqqVeWz0lpW5ZW0Of41oO70rM=; b=36bdXJ/3aF8tXIgyfYx4rd5n+EOQd2Pij3f9fPhrFhRjgxGgfaEpTiT1PGg+zViKP2 NSyCznpGu9ttDOMHzuZ1SU9A+UnAaV4YvTgDg6dCNcbft6U7YKwL2MTpGC1wY1QBzcsk jd0syLkP0+vhZVl4HV9b7BcREYnoPIsWppjc9orLfB0ltdcAugFWvWkoyhNNRX4dasbK HOScK708eYLuQURteDAz6ONycm4ek7ryVEM1tGmsKLsJbZf7sX9TVnKixyV9SRuJGlGF F8wpJKp2/I5HhbWExWBXqHlJcJtDpHGvkoTxS6PzfS+4qOnVhdkaGcSQ33jwluGaldQW gTBg== X-Gm-Message-State: AOAM532Ngdk3mrQBicI150L8IQoIaVA2oQ/1FwyHGjgx7oUjdV/BKq6K CnAbaB6i9EUzLDQwF3zxH1+Mm6ZIFg== X-Google-Smtp-Source: ABdhPJxSc4jszmWn1ZHdroFM965I92pIFIB98MlY+CIRaXQDpmn4PlAC0nnZ6+h5oszSaYEVv5huxA== X-Received: by 2002:aca:da04:: with SMTP id r4mr125183oig.56.1633393947997; Mon, 04 Oct 2021 17:32:27 -0700 (PDT) Received: from serve.minyard.net (serve.minyard.net. [2001:470:b8f6:1b::1]) by smtp.gmail.com with ESMTPSA id bj33sm3268814oib.31.2021.10.04.17.32.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 04 Oct 2021 17:32:27 -0700 (PDT) Sender: Corey Minyard Received: from t560.minyard.net (unknown [IPv6:2001:470:b8f6:1b:1ce5:3fb4:8fe9:30d1]) by serve.minyard.net (Postfix) with ESMTPA id 7E9001800F0; Tue, 5 Oct 2021 00:32:26 +0000 (UTC) From: minyard@acm.org To: Oleksij Rempel Cc: Pengutronix Kernel Team , linux-i2c@vger.kernel.org, Andrew Manley , linux-kernel@vger.kernel.org Subject: [PATCH 0/3] i2c:imx: Deliver a timely stop on slave side, fix recv Date: Mon, 4 Oct 2021 19:32:13 -0500 Message-Id: <20211005003216.2670632-1-minyard@acm.org> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org I was working on an application that needs the stop condition immediately. So this adds a timer after each byte is received/sent and if the bus is idle at the timeout, send the stop. Also, I noticed when you use the i2c-slave-eeprom, if you read some data and then read some data again, the last byte of the first read will be the first byte of the second read. This is because i2c-slave-eeprom expects a read-ahead. That's what the documentation says, at least. -corey