From mboxrd@z Thu Jan 1 00:00:00 1970 From: Julien Grall Subject: Re: Design doc of adding ACPI support for arm64 on Xen - version 3 Date: Tue, 18 Aug 2015 12:00:12 -0700 Message-ID: <55D380BC.9080905@citrix.com> References: <55CE0247.4030805@linaro.org> <55D21AE2020000780009B6D4@prv-mh.provo.novell.com> <55D2A982.9000907@huawei.com> <55D2CD5A02000078000D6BD8@prv-mh.provo.novell.com> <55D2E03E.2060207@huawei.com> <55D305A9020000780009B942@prv-mh.provo.novell.com> <55D2EAFF.20600@huawei.com> <55D312FE020000780009B9A1@prv-mh.provo.novell.com> <55D2FC37.4000303@huawei.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <55D2FC37.4000303@huawei.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Shannon Zhao , Jan Beulich , shannon.zhao@linaro.org Cc: hangaohuai@huawei.com, ian.campbell@citrix.com, stefano.stabellini@eu.citrix.com, andrew@fubar.geek.nz, peter.huangpeng@huawei.com, stefano.stabellini@citrix.com, david.vrabel@citrix.com, boris.ostrovsky@oracle.com, xen-devel@lists.xen.org, parth.dixit@linaro.org, christoffer.dall@linaro.org List-Id: xen-devel@lists.xenproject.org Hi, On 18/08/2015 02:34, Shannon Zhao wrote: > IIUC, this is a requirement for Linux. Because when Linux parses the > minimal DT, it uses below dt_params to match the DT properties. If it > doesn't match any of them, it will fial. > See efi_get_fdt_params in drivers/firmware/efi/efi.c. This is *not* a requirement for Linux. All those properties are internal to Linux so it's not exposed to anyone else. We have room to change it while we standardize the property. Regards, -- Julien Grall