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=-5.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, T_DKIMWL_WL_HIGH,URIBL_BLOCKED,USER_AGENT_MUTT 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 71E8CC282E1 for ; Fri, 24 May 2019 21:39:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3D4D4217D7 for ; Fri, 24 May 2019 21:39:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1558733974; bh=u4lP2mK6Fbc/bqJ9Jd8BqwbXGC22M03J7s0fnCXsRRg=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=t2R5M/LySlXKlF5c6WeQ+5CXxz1BmI8rhfPYX7PCbZTC4IuII9lSUaMdt2sD7vZM4 qlqS0IHAj1mxftW7owLev8kTfNn68QvHOgaUMJdCoSpTMKADLPUtfEr90Ju+97Yh3K HiUwGV4wjvBzzxAYpfkbo3P0X/o5mvJtKU0eS96s= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2404310AbfEXVjd (ORCPT ); Fri, 24 May 2019 17:39:33 -0400 Received: from mail-ot1-f65.google.com ([209.85.210.65]:44462 "EHLO mail-ot1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2404266AbfEXVjb (ORCPT ); Fri, 24 May 2019 17:39:31 -0400 Received: by mail-ot1-f65.google.com with SMTP id g18so9953148otj.11; Fri, 24 May 2019 14:39:30 -0700 (PDT) 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:in-reply-to:user-agent; bh=MZnuQrVtYhASILoiKgGSvtyaXD30T7mtybpr7EUHkI0=; b=FIXIzqSKBdqW3IeEojTsBSxwkf+tO3iVEBqAtzl+CEQJs8uArTpBYsecK7Y27C0KHR PVbgykQ1GBD2WELNQK7nrGYSkAZcyC4mTIYQm0WZXp+p/QTGQco6YOwnAM42XQPoDdFD lfLs8rF/wGZgytxXgdUxumyOBvg6F1op58UZ/rlgtfze5XhiAu7QmpMVCMkf1gU5ycQo dk+e8ocpVaFdQkVNdcftO8HBqzo0a0SZfA+rRjDbRFRwiX71rA/6ZQPImmGdDV4Hn7yC JluQC+ToVhHUzZBhfv8CH3hR/ynl2BuJROS+hqOisKUksJSkUwAYj+P5QP5tJDTArx68 tTAg== X-Gm-Message-State: APjAAAXyNS2myNjI/sCxpqtoayw5C0G+cC9woQORodUreuBkW8BpS4IX E/8u5z/nLumcCImnEWZHYg== X-Google-Smtp-Source: APXvYqw5BvSOtkT3N952ItPOjBDxdFeno87FHqsvmHwgpc7SH3iSjbrbWBg9qsXShtRYA+fPs87FAg== X-Received: by 2002:a9d:3b49:: with SMTP id z67mr52513759otb.236.1558733970346; Fri, 24 May 2019 14:39:30 -0700 (PDT) Received: from localhost (24-155-109-49.dyn.grandenetworks.net. [24.155.109.49]) by smtp.gmail.com with ESMTPSA id 63sm1428369ota.28.2019.05.24.14.39.29 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Fri, 24 May 2019 14:39:29 -0700 (PDT) Date: Fri, 24 May 2019 16:39:29 -0500 From: Rob Herring To: Stephen Boyd Cc: Frank Rowand , linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Hsin-Yi Wang Subject: Re: [PATCH v2 3/3] of/fdt: Mark initial_boot_params as __ro_after_init Message-ID: <20190524213929.GA11780@bogus> References: <20190514204053.124122-1-swboyd@chromium.org> <20190514204053.124122-4-swboyd@chromium.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190514204053.124122-4-swboyd@chromium.org> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 14 May 2019 13:40:53 -0700, Stephen Boyd wrote: > The FDT pointer, i.e. initial_boot_params, shouldn't be changed after > init. It's only set by boot code and then the only user of the FDT is > the raw sysfs reading API. Mark this pointer with __ro_after_init so > that the pointer can't be changed after init. > > Cc: Hsin-Yi Wang > Signed-off-by: Stephen Boyd > --- > drivers/of/fdt.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > Applied, thanks. Rob