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 X-Spam-Level: X-Spam-Status: No, score=-13.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 58E50C47082 for ; Thu, 3 Jun 2021 17:01:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3BCE461003 for ; Thu, 3 Jun 2021 17:01:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230368AbhFCRC5 (ORCPT ); Thu, 3 Jun 2021 13:02:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48866 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229769AbhFCRC4 (ORCPT ); Thu, 3 Jun 2021 13:02:56 -0400 Received: from mail-pj1-x1031.google.com (mail-pj1-x1031.google.com [IPv6:2607:f8b0:4864:20::1031]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CFCF0C06174A for ; Thu, 3 Jun 2021 10:01:11 -0700 (PDT) Received: by mail-pj1-x1031.google.com with SMTP id h12-20020a17090aa88cb029016400fd8ad8so4246922pjq.3 for ; Thu, 03 Jun 2021 10:01:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to; bh=SdzidUJKNPc9LJa3aBJbuoSPE7lttlPlCavgwU35z68=; b=Ftj04WV25OtFxWZABHprinocbqakOKJE4UWs9CRFa5QIXA9OfyBq8jhiVnZvHjqRvi byNNMrffhDFbpOgXYuyCCZmjnxhJf+KORu3DTSM+AXuqNCPNcCpFCMDZKAs3swrB+vtu pwNW/K7bFPzE6KrGdAkwNWj2pRBZz48u0Pjl8= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to; bh=SdzidUJKNPc9LJa3aBJbuoSPE7lttlPlCavgwU35z68=; b=mID4+HhOixMtcgOiM7ll09bR7mI7U0KYjbmEO19OOdWM1CKjUUtKjQIgxN2DQmPvLu 9y9yVLIU9ZXcachmpkdWbTrPNpAqklKA9qW5h+KXvArb9dw1EXuomZEbJwHOKbYBWmeq Vq8GKmu7ZhiGI1cmAK5+jwkGLgo9Qo9p3n44Hfg/FNS7alA20mK661rWlslraDXvgnTk R/bRC84DTfedlhl9ysN6ZN+ksDUPCx1FXqwOEDHlgD07E2TjFVGrSOVm2ls7qDG6AX3c iiKzqO2Jnf0B4D76iZcbav9W9O+HgICunVlxCnS+dkwcQoeDWr/66HhcV/1zGL9CmmEe gAag== X-Gm-Message-State: AOAM5309iBfIwvYjAaScZYnTTVO2X32MHC/+diYJdbnPILnRiJY+NNIG jNbOIUc9gfnCg0z5O4EwfKCcdg== X-Google-Smtp-Source: ABdhPJx+RG2CD1s0vTPbXec1B8qgIazYNpDiUgs096e4Et1ksMG5xFHfJx5/TZQBB//y4r6+84cgxg== X-Received: by 2002:a17:90a:bd05:: with SMTP id y5mr150180pjr.229.1622739670586; Thu, 03 Jun 2021 10:01:10 -0700 (PDT) Received: from [10.136.8.240] ([192.19.228.250]) by smtp.gmail.com with ESMTPSA id h12sm3146621pgn.54.2021.06.03.10.01.08 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 03 Jun 2021 10:01:09 -0700 (PDT) Subject: Re: [PATCH] i2c: bcm-iproc: Add i2c recovery support To: Chris Packham , "wsa@kernel.org" , "rjui@broadcom.com" , "sbranden@broadcom.com" , "bcm-kernel-feedback-list@broadcom.com" Cc: "linux-i2c@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" , Richard Laing References: <20210530225659.17138-1-chris.packham@alliedtelesis.co.nz> <7962c2ae-f3c6-66a4-e976-f7edbf80781c@broadcom.com> From: Ray Jui Message-ID: <71f52763-450b-155a-693a-ba37ce98a1e9@broadcom.com> Date: Thu, 3 Jun 2021 10:01:08 -0700 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.10.2 MIME-Version: 1.0 In-Reply-To: Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="000000000000a81c1105c3df85ea" Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org --000000000000a81c1105c3df85ea Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit On 6/1/2021 7:32 PM, Chris Packham wrote: > > On 2/06/21 9:03 am, Ray Jui wrote: >> >> On 5/30/2021 3:56 PM, Chris Packham wrote: >>> From: Richard Laing >>> >>> The bcm-iproc controller can put the SDA/SCL lines into bit-bang mode, >>> make use of this to support i2c bus recovery. >>> >>> Signed-off-by: Richard Laing >>> Signed-off-by: Chris Packham >>> --- > >> + >>> +static struct i2c_bus_recovery_info bcm_iproc_recovery_info = { >> static const struct ... > > The kernel test bot doesn't like the suggestion. > > >> drivers/i2c/busses/i2c-bcm-iproc.c:1264:26: error: assigning to > 'struct i2c_bus_recovery_info *' from 'const struct > i2c_bus_recovery_info *' discards qualifiers > [-Werror,-Wincompatible-pointer-types-discards-qualifiers] > >            adap->bus_recovery_info = &bcm_iproc_recovery_info; >                                    ^ ~~~~~~~~~~~~~~~~~~~~~~~~ > > I can see why. Are you happy for me to drop the const in v3? Or perhaps > you have a better suggestion. > Yeah of course. Please drop it. Sorry I missed that while making that suggestion. --000000000000a81c1105c3df85ea Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIIQXgYJKoZIhvcNAQcCoIIQTzCCEEsCAQExDzANBglghkgBZQMEAgEFADALBgkqhkiG9w0BBwGg gg21MIIFDTCCA/WgAwIBAgIQeEqpED+lv77edQixNJMdADANBgkqhkiG9w0BAQsFADBMMSAwHgYD VQQLExdHbG9iYWxTaWduIFJvb3QgQ0EgLSBSMzETMBEGA1UEChMKR2xvYmFsU2lnbjETMBEGA1UE AxMKR2xvYmFsU2lnbjAeFw0yMDA5MTYwMDAwMDBaFw0yODA5MTYwMDAwMDBaMFsxCzAJBgNVBAYT AkJFMRkwFwYDVQQKExBHbG9iYWxTaWduIG52LXNhMTEwLwYDVQQDEyhHbG9iYWxTaWduIEdDQyBS MyBQZXJzb25hbFNpZ24gMiBDQSAyMDIwMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA vbCmXCcsbZ/a0fRIQMBxp4gJnnyeneFYpEtNydrZZ+GeKSMdHiDgXD1UnRSIudKo+moQ6YlCOu4t rVWO/EiXfYnK7zeop26ry1RpKtogB7/O115zultAz64ydQYLe+a1e/czkALg3sgTcOOcFZTXk38e aqsXsipoX1vsNurqPtnC27TWsA7pk4uKXscFjkeUE8JZu9BDKaswZygxBOPBQBwrA5+20Wxlk6k1 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