From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Boyd Subject: Re: [PATCH v5 1/3] arm64: map FDT as RW for early_init_dt_scan() Date: Tue, 28 May 2019 08:48:48 -0700 Message-ID: <5ced5861.1c69fb81.956d8.5fb2@mx.google.com> References: <20190527043336.112854-1-hsinyi@chromium.org> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: <20190527043336.112854-1-hsinyi@chromium.org> Sender: linux-kernel-owner@vger.kernel.org To: linux-arm-kernel@lists.infradead.org Cc: Rob Herring , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Frank Rowand , Catalin Marinas , Will Deacon , Andrew Morton , Mike Rapoport , Ard Biesheuvel , Miles Chen , Hsin-Yi Wang , James Morse , Andrew Murray , Mark Rutland , Jun Yao , Yu Zhao , Robin Murphy , Laura Abbott , Kees Cook , Nicolas Boichat List-Id: devicetree@vger.kernel.org Quoting Hsin-Yi Wang (2019-05-26 21:33:34) > Currently in arm64, FDT is mapped to RO before it's passed to > early_init_dt_scan(). However, there might be some codes > (eg. commit "fdt: add support for rng-seed") that need to modify FDT > during init. Map FDT to RO after early fixups are done. >=20 > Signed-off-by: Hsin-Yi Wang > --- Reviewed-by: Stephen Boyd