From owner-freebsd-current@freebsd.org Fri Jul 22 07:03:37 2016 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 2A7BDBA1C19 for ; Fri, 22 Jul 2016 07:03:37 +0000 (UTC) (envelope-from theraven@FreeBSD.org) Received: from theravensnest.org (theraven.freebsd.your.org [216.14.102.27]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "cloud.theravensnest.org", Issuer "StartCom Class 1 DV Server CA" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 094C31DCA; Fri, 22 Jul 2016 07:03:36 +0000 (UTC) (envelope-from theraven@FreeBSD.org) Received: from c124.sec.cl.cam.ac.uk (c124.sec.cl.cam.ac.uk [128.232.18.124]) (authenticated bits=0) by theravensnest.org (8.15.2/8.15.2) with ESMTPSA id u6M73RtQ048920 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO); Fri, 22 Jul 2016 07:03:34 GMT (envelope-from theraven@FreeBSD.org) Content-Type: multipart/signed; boundary="Apple-Mail=_C381328B-4319-414D-B7A2-3C9C1B488CD7"; protocol="application/pkcs7-signature"; micalg=sha1 Mime-Version: 1.0 (Mac OS X Mail 9.3 \(3124\)) Subject: Re: Call for Testing: Switching back to our BSD licensed dtc(1) From: David Chisnall In-Reply-To: Date: Fri, 22 Jul 2016 08:03:29 +0100 Cc: Ed Maste , FreeBSD Current Message-Id: <10FBB716-E0BA-4146-92FD-F90AB4F8987C@FreeBSD.org> References: To: Warner Losh X-Mailer: Apple Mail (2.3124) X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 22 Jul 2016 07:03:37 -0000 --Apple-Mail=_C381328B-4319-414D-B7A2-3C9C1B488CD7 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 On 22 Jul 2016, at 03:40, Warner Losh wrote: >=20 > On Wed, Jul 20, 2016 at 9:51 AM, David Chisnall = wrote: >> On 20 Jul 2016, at 16:46, Warner Losh wrote: >>>=20 >>> I've been trying to get the final spec for it. Right now it's a >>> disorganized series >>> of patches, some of which have been merge some that haven't. I'll = send you a >>> copy when I can find something better than "here's the code." >>=20 >> Thanks. =46rom the information I can find, it looks as if most of = the machinery required to implement it is already in dtc, so it should = (hopefully) just be a matter of adding a new keyword to detect plugins, = a scan to find the cross-references (or possibly reusing the existing = one) and then a little bit of extra logic. >=20 > = https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/Docum= entation/devicetree/overlay-notes.txt > has the specs. Hmm, that=E2=80=99s even less complete than the docs that I=E2=80=99d = found. =46rom that, it seems as if the only thing that dtc needs to do = is support the /plugin/ syntax and emit a section describing unresolved = references? Or is dtc also expected to be able to do the merging? 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