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=-7.9 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FSL_HELO_FAKE,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no 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 B081AC4338F for ; Thu, 5 Aug 2021 07:40:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8C1C660720 for ; Thu, 5 Aug 2021 07:40:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237870AbhHEHkY (ORCPT ); Thu, 5 Aug 2021 03:40:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60776 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230381AbhHEHkX (ORCPT ); Thu, 5 Aug 2021 03:40:23 -0400 Received: from mail-wm1-x332.google.com (mail-wm1-x332.google.com [IPv6:2a00:1450:4864:20::332]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C3D7FC061765 for ; Thu, 5 Aug 2021 00:40:08 -0700 (PDT) Received: by mail-wm1-x332.google.com with SMTP id a192-20020a1c7fc90000b0290253b32e8796so5024406wmd.0 for ; Thu, 05 Aug 2021 00:40:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:content-transfer-encoding:in-reply-to; bh=uXMFE+x+HBk40J/+blV0JV/UHz61yssYSvQ4knaVK2g=; b=PFfP7KuH7Ir7atvYwV57prUlPGPij4lo7aJaDURFOi5zzVKFgi+ZobyR1mQYQgRwqk 5D4M2MjghImr2du1bwnrpt9zr/FwYJB7JzNJlvMmEn0rEMziNvN8UZmyn18PILufPAvj W+vNOiKFgNmZ9pgUFT0IjZguKYTS8j9uc5wrlI6DB7OwZMVt5NdgjvlGTsyY0cf2gifk g1Xc89uTN604lbbwREKwCATP2JPRCeSk0wd4ziotsy5L3fe2wdQO5GnqXjKbopAWaWF3 AKfARyTuzG4XtbFI+9u8cySxbbZSiVg5g+iSgxond4Z63IqwcO62p+rp0Lzw/1T+jcPW zW1A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:content-transfer-encoding :in-reply-to; bh=uXMFE+x+HBk40J/+blV0JV/UHz61yssYSvQ4knaVK2g=; b=VI33vEl2j3OTvwFTeLUs1Zpgp/9cBKUaGQdMw/F4Ngn4gFDp6Il9TOJ4rS/x8pSg+3 oDCbSPp3CvcFmNtbW/YvROunR+gL7Y7Gf8oMhAHF+d+YnDGyRsXWrSrdIpHcZNwNKFs6 9aHqXirh6KjyCp4vzgjlbiC9+MrL7e8MvBPtYAlBApH4garNpTu+cH2iH6e9um/rFOmP xcNQBYZJKcb1H2A390SEZ0rvpMPNaMxsj2x+719M8REQk/KRcSvwqm/ST0ABQahW502N b+NuNx0ssJMmvYNb8dltm5T84V0j/yhjLBTEQO/5WDnTcMnpQcx/uuBU46Zpmo9f3F5C fRLg== X-Gm-Message-State: AOAM532zM8SDai0CKaN49+PC/AUAfTWRYPWa8w7p8a7um13oGrf6cp0G a+mMcQeKAOVQ/6pN6egvxCPY8w== X-Google-Smtp-Source: ABdhPJx9QpR1i7rTCVl9lmFeZhDDcReBbxopKH+ZiiA5j//M0m/b8UaOuMkaymP8xdsIHTczgyYCBw== X-Received: by 2002:a1c:452:: with SMTP id 79mr13476817wme.125.1628149207386; Thu, 05 Aug 2021 00:40:07 -0700 (PDT) Received: from google.com ([109.180.115.228]) by smtp.gmail.com with ESMTPSA id c204sm8122404wme.15.2021.08.05.00.40.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 05 Aug 2021 00:40:06 -0700 (PDT) Date: Thu, 5 Aug 2021 08:40:05 +0100 From: Lee Jones To: Michael Walle Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Mark Brown Subject: Re: [PATCH 1/1] mfd: simple-mfd-i2c: Add support for registering devices via MFD cells Message-ID: References: <20210804143744.689238-1-lee.jones@linaro.org> <328e69d4d6d57b101af1ab1346b0809f@walle.cc> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <328e69d4d6d57b101af1ab1346b0809f@walle.cc> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 05 Aug 2021, Michael Walle wrote: > Hi Lee, > > Am 2021-08-04 16:37, schrieb Lee Jones: > > More devices are cropping up requiring only Regmap initialisation and > > child registration functionality. We currently only support that if > > all required devices are represented by their own Device Tree nodes > > complete with compatible strings. > > > > However, not everyone is happy with adding empty nodes that provide no > > additional device information into the Device Tree. > > > > Rather than have a plethora of mostly empty, function-less drivers in > > MFD, we'll support those simple cases in here instead via MFD cells. > > > > Cc: Michael Walle > > Cc: Mark Brown > > Signed-off-by: Lee Jones > > --- > > > > Michael, could you please test this on your platform to ensure I > > didn't break anything please? > > > > I'm getting a null pointer dereference. Perfect. Will fix. Thanks for testing. -- Lee Jones [李琼斯] Senior Technical Lead - Developer Services Linaro.org │ Open source software for Arm SoCs Follow Linaro: Facebook | Twitter | Blog