From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Woodhouse Subject: Re: [Ksummit-2013-discuss] [ATTEND] Handling of devicetree bindings Date: Mon, 15 Jul 2013 19:50:27 +0100 Message-ID: <1373914227.2128.24.camel@shinybook.infradead.org> References: <20130713192647.GA3798@katana> <20130713204927.GA1124@roeck-us.net> <20130715165620.GA29040@kroah.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1555686561906084885==" Return-path: In-Reply-To: <20130715165620.GA29040-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: devicetree-discuss-bounces+gldd-devicetree-discuss=m.gmane.org-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org Sender: "devicetree-discuss" To: Greg KH Cc: ksummit-2013-discuss-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, "devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org" List-Id: devicetree@vger.kernel.org --===============1555686561906084885== Content-Type: multipart/signed; micalg="sha-1"; protocol="application/x-pkcs7-signature"; boundary="=-vfll43MI8S0FiUfMpdB4" --=-vfll43MI8S0FiUfMpdB4 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Mon, 2013-07-15 at 09:56 -0700, Greg KH wrote: > How about a hint for subsystem maintainers as to what exactly we should > be looking for with these bindings? I for one have no idea what is > "right" vs. "wrong" with them, so a document explaining this would be > good to have. >=20 > Or if we already have it, a pointer to it perhaps? The biggest thing is that it should describe the *hardware*, in a fashion which is completely OS-agnostic. The same device-tree binding should work for Solaris, *BSD, Windows, eCos, and everything else. I've heard tales of people having to keep device-tree files for their board tightly in sync with the specific *version* of the Linux kernel that they were shipped with. That makes me very sad, because it almost certainly means that someone has done it completely and utterly wrong. --=20 David Woodhouse Open Source Technology Centre David.Woodhouse-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org Intel Corporation --=-vfll43MI8S0FiUfMpdB4 Content-Type: application/x-pkcs7-signature; name="smime.p7s" Content-Disposition: attachment; filename="smime.p7s" Content-Transfer-Encoding: base64 MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEHAQAAoIISxDCCBjQw ggQcoAMCAQICAR4wDQYJKoZIhvcNAQEFBQAwfTELMAkGA1UEBhMCSUwxFjAUBgNVBAoTDVN0YXJ0 Q29tIEx0ZC4xKzApBgNVBAsTIlNlY3VyZSBEaWdpdGFsIENlcnRpZmljYXRlIFNpZ25pbmcxKTAn BgNVBAMTIFN0YXJ0Q29tIENlcnRpZmljYXRpb24gQXV0aG9yaXR5MB4XDTA3MTAyNDIxMDE1NVoX DTE3MTAyNDIxMDE1NVowgYwxCzAJBgNVBAYTAklMMRYwFAYDVQQKEw1TdGFydENvbSBMdGQuMSsw KQYDVQQLEyJTZWN1cmUgRGlnaXRhbCBDZXJ0aWZpY2F0ZSBTaWduaW5nMTgwNgYDVQQDEy9TdGFy dENvbSBDbGFzcyAxIFByaW1hcnkgSW50ZXJtZWRpYXRlIENsaWVudCBDQTCCASIwDQYJKoZIhvcN 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