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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 245A2C433EF for ; Sat, 4 Jun 2022 16:08:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236943AbiFDQIA (ORCPT ); Sat, 4 Jun 2022 12:08:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55414 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230079AbiFDQH7 (ORCPT ); Sat, 4 Jun 2022 12:07:59 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A5A0928E07 for ; Sat, 4 Jun 2022 09:07:58 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 57FDCB8069F for ; Sat, 4 Jun 2022 16:07:57 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 13E2FC385B8; Sat, 4 Jun 2022 16:07:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1654358876; bh=yLKbwF2gxK0JYmF+m2LXGBcu3usF2WL6JJ0OcvCD7sg=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=rkLJzqw6jdU3blaBMbAt675h8gI3LZCGhjIBD4v5eok4aelZC2vteeC17VmnkGXUR naRNfbeR3eBeaXkyjTUIkzHDGiDl4V0NOuHg6ISKCcuxzRtis/8vBbuSWRr5aHU23b ARPMcKJo7njTPaAuG3DYrmF2/uFlzw93iB4E+GpEtRfGzVlekGOgNMSBwIkEmLS4a/ fFmx09ffYsgePs9oa3PAhTI1+W5AtdW2qISxCENl9ldQAYYXY7QDhrRavDKQ8Ne63x EyALW4lwt2SoK2CiYI3c3oT45pXPpQH4mnLvqKJGXbIXwYZEMlO/pcdsmHyTy7gMkW U2Pzelu0ydlew== Date: Sat, 4 Jun 2022 17:16:57 +0100 From: Jonathan Cameron To: Wolfram Sang Cc: Bough Chen , Jonathan Cameron , "lars@metafoo.de" , "linux-iio@vger.kernel.org" , "pmeerw@pmeerw.net" , dl-linux-imx Subject: Re: [PATCH] iio: accel: mma8452: remove the reset operation during driver probe Message-ID: <20220604171657.78eb7927@jic23-huawei> In-Reply-To: References: <1645505151-5789-1-git-send-email-haibo.chen@nxp.com> <20220222164331.00002d18@Huawei.com> X-Mailer: Claws Mail 4.1.0 (GTK 3.24.34; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org On Thu, 24 Feb 2022 18:33:26 +0100 Wolfram Sang wrote: > > > Wolfram is there a standard way to work around missing ACK in cases like > > > this? Would just ignoring the return value be fine or are their i2c masters > > > that will get stuck if they don't get the expected ack? > > Did I get this right: the reset procedures terminates the ACK and STOP? > And the client expects a new START condition for communication? > @Bough Chen, I'm assuming this is still an issue for you? If so can you reply to Wolfram so we can hopefully move this forwards. Found this because it's still listed as needing an action in the IIO patchwork. Thanks, Jonathan