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 CB33FC61DA4 for ; Wed, 15 Mar 2023 12:48:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232817AbjCOMsF (ORCPT ); Wed, 15 Mar 2023 08:48:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49132 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232570AbjCOMsA (ORCPT ); Wed, 15 Mar 2023 08:48:00 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 29E1B28850 for ; Wed, 15 Mar 2023 05:46:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1678884369; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=HAOu6GreRWRu6ba4nX0ao5vFBWbgQLRTWPfGkR3xwgk=; b=eqbTPirTqlSegA8Owxd5Qomlv1crJeWmoxf89PBKPFSuqPzB+mBIQJYobFL+uasdLBCDfm 5RSa5pZrE0BkhfWD0RyIrXG07EIWSqiYkuHtrlH5gFlnrw+FkzbiLrX8C7D7NBD8tuNHzf FrDP6tDf0e2LnI+q9qBQhTjRV9Wll+g= Received: from mail-ed1-f71.google.com (mail-ed1-f71.google.com [209.85.208.71]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-279-NHlQjbZoP8WGRqF8XoYUSQ-1; Wed, 15 Mar 2023 08:46:05 -0400 X-MC-Unique: NHlQjbZoP8WGRqF8XoYUSQ-1 Received: by mail-ed1-f71.google.com with SMTP id fi8-20020a056402550800b004a26cc7f6cbso26656125edb.4 for ; Wed, 15 Mar 2023 05:46:05 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1678884365; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=HAOu6GreRWRu6ba4nX0ao5vFBWbgQLRTWPfGkR3xwgk=; b=f+LJv2OQIqSCRkP8Sp2L1hmuHxP4ZVNvUxYZVykzX3QGD4oVWC3cQQ3esloQfWTj8h rDx7xiNshGUss+rILZir2yJ87tNwcsd2CQYc6Q8DnmrkbI1/u+6qIJtSHBByZTG7ydYu cVfOkOazWo4Y5WJE703QMwvcxmh4JUhngYSK4KU1zGFmPAVxIL03NBxj+G74DTV4wj3J sG2AutpAHj1+r/PqwexAUBPMCM67uI3xaXz/0fFTQmpX1r1ymFpTwTuOuO3iOZErRZwP R10uGfWMo8nf769qT7mge0gApj+lFA6JHJBZxZCRv5iHsN7/EBdL5x0+sse0bF6A24Vy Kpmw== X-Gm-Message-State: AO0yUKXG2KyM+8OZhBUlEI8EhAPHwx+ziHnqHH1VWkY73LTj4Cr6QB/8 zwD86bqb5RNl8qTX1YPR/ueCH7kVHVdLlZL5GBPiavPMMrm3aiRtRZa2gxh1teCYBjhO1C64tAI /nR/FBCgITAroxfYGeKq+94tpZBdo9U6lOQ== X-Received: by 2002:a17:906:1b09:b0:88e:e498:109b with SMTP id o9-20020a1709061b0900b0088ee498109bmr5920011ejg.5.1678884364966; Wed, 15 Mar 2023 05:46:04 -0700 (PDT) X-Google-Smtp-Source: AK7set8OEq3BFBrcLG8/KFs1ITZCvS/IL/+Swv1Lb8TgKsXIb/7EvmChXQfebSgll4X6Ay7VUbiI8A== X-Received: by 2002:a17:906:1b09:b0:88e:e498:109b with SMTP id o9-20020a1709061b0900b0088ee498109bmr5919998ejg.5.1678884364753; Wed, 15 Mar 2023 05:46:04 -0700 (PDT) Received: from ?IPV6:2001:1c00:c32:7800:5bfa:a036:83f0:f9ec? (2001-1c00-0c32-7800-5bfa-a036-83f0-f9ec.cable.dynamic.v6.ziggo.nl. [2001:1c00:c32:7800:5bfa:a036:83f0:f9ec]) by smtp.gmail.com with ESMTPSA id ga31-20020a1709070c1f00b008b904cb2bcdsm2514203ejc.11.2023.03.15.05.46.04 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 15 Mar 2023 05:46:04 -0700 (PDT) Message-ID: <8dde2c71-0c79-50af-e5aa-de3c9ee2955d@redhat.com> Date: Wed, 15 Mar 2023 13:46:03 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.7.1 Subject: Re: [PATCH 04/36] platform/x86: ibm_rtl: move to use bus_get_dev_root() Content-Language: en-US, nl To: Greg Kroah-Hartman , linux-kernel@vger.kernel.org Cc: rafael@kernel.org, Mark Gross , platform-driver-x86@vger.kernel.org References: <20230313182918.1312597-1-gregkh@linuxfoundation.org> <20230313182918.1312597-4-gregkh@linuxfoundation.org> From: Hans de Goede In-Reply-To: <20230313182918.1312597-4-gregkh@linuxfoundation.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: platform-driver-x86@vger.kernel.org Hi, On 3/13/23 19:28, Greg Kroah-Hartman wrote: > Direct access to the struct bus_type dev_root pointer is going away soon > so replace that with a call to bus_get_dev_root() instead, which is what > it is there for. > > Cc: Hans de Goede > Cc: Mark Gross > Cc: platform-driver-x86@vger.kernel.org > Signed-off-by: Greg Kroah-Hartman > --- > Note, this is a patch that is a prepatory cleanup as part of a larger > series of patches that is working on resolving some old driver core > design mistakes. It will build and apply cleanly on top of 6.3-rc2 on > its own, but I'd prefer if I could take it through my driver-core tree > so that the driver core changes can be taken through there for 6.4-rc1. Taking this upstream through the driver-core tree is fine by me: Acked-by: Hans de Goede Regards, Hans > drivers/platform/x86/ibm_rtl.c | 18 ++++++++++++++---- > 1 file changed, 14 insertions(+), 4 deletions(-) > > diff --git a/drivers/platform/x86/ibm_rtl.c b/drivers/platform/x86/ibm_rtl.c > index 5fc665f7d9b3..2ab7d9ac542d 100644 > --- a/drivers/platform/x86/ibm_rtl.c > +++ b/drivers/platform/x86/ibm_rtl.c > @@ -199,16 +199,26 @@ static int rtl_setup_sysfs(void) { > > ret = subsys_system_register(&rtl_subsys, NULL); > if (!ret) { > - for (i = 0; rtl_attributes[i]; i ++) > - device_create_file(rtl_subsys.dev_root, rtl_attributes[i]); > + struct device *dev_root = bus_get_dev_root(&rtl_subsys); > + > + if (dev_root) { > + for (i = 0; rtl_attributes[i]; i ++) > + device_create_file(dev_root, rtl_attributes[i]); > + put_device(dev_root); > + } > } > return ret; > } > > static void rtl_teardown_sysfs(void) { > + struct device *dev_root = bus_get_dev_root(&rtl_subsys); > int i; > - for (i = 0; rtl_attributes[i]; i ++) > - device_remove_file(rtl_subsys.dev_root, rtl_attributes[i]); > + > + if (dev_root) { > + for (i = 0; rtl_attributes[i]; i ++) > + device_remove_file(dev_root, rtl_attributes[i]); > + put_device(dev_root); > + } > bus_unregister(&rtl_subsys); > } >