From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marc Dietrich Subject: Re: [RFC 4/4] ARM: shmobile: r8a7790: adapt DTS for I2C slave support Date: Thu, 11 Sep 2014 16:52:22 +0200 Message-ID: <1591383.Xdy91rktuP@fb07-iapwap2> References: <1410274470-12712-1-git-send-email-wsa@the-dreams.de> <20140911141257.GC5149@katana> <20140911144003.GD5149@katana> Mime-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart6151357.4VKUoaRBI6"; micalg="pgp-sha1"; protocol="application/pgp-signature" Return-path: In-Reply-To: <20140911144003.GD5149@katana> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Wolfram Sang Cc: linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-sh-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, Jean Delvare , Magnus Damm , Andrey Danin , devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Stephen Warren List-Id: devicetree@vger.kernel.org --nextPart6151357.4VKUoaRBI6 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="ISO-8859-1" Am Donnerstag, 11. September 2014, 16:40:04 schrieb Wolfram Sang: > > b) could be seen as a configuration thing since the functionality > > backend could be changed at runtime even. > > Come to think of it, not only the functionality, also the address can be > changed at runtime. This makes me think it should really not be in DT > after all. even worse, there can be multiple masters and slaves changing their role on the fly AFAIK. So the best dt can do is to provide an initial configuration, so all drivers know where they are and where to start. Everything else can be changed during runtime. > People will probably find out that it is possible to put it in DT, but > it should not be encouraged and they should do it on their own risk. --nextPart6151357.4VKUoaRBI6 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part. Content-Transfer-Encoding: 7Bit -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (GNU/Linux) iQEcBAABAgAGBQJUEbcmAAoJEKyeR39HFBtoUJAH/2VkYCMJ+aDlPXoWbktY2AHP xHbstyCIzfj7kdVl8G4BRmuAbkSzoSGtm/apwz6zQOv0YjwaxUw32gaO6/E3srVT qEzCTqg7gyvvhenOQY2OWXJvM9inwBPQzuB8DRVtRTbO8kJtyk7YCBhaKURc6xyf pqyhLjuJrwRuAxxF1hd3fur3uvtop11LFNbv5hxybGWyRRosO38h0vaHfLpKSqSD RjqV7NfjxoQ8sk25IAghwRquO+YeaItJ1fWcmcaOLGj/ID27X54SHq2vYGVkqMN2 n9+CZ6n795dxd1tj1WQnIVl3CCd/0xcS5QAfmMgVKQ7sgfJB6AX/ElX6BxJf3u0= =3/oV -----END PGP SIGNATURE----- --nextPart6151357.4VKUoaRBI6-- -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html