From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sauhun.de ([88.99.104.3]:56121 "EHLO pokefinder.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753277AbdJRHZI (ORCPT ); Wed, 18 Oct 2017 03:25:08 -0400 Date: Wed, 18 Oct 2017 09:25:05 +0200 From: Wolfram Sang To: Simon Horman Cc: Wolfram Sang , Ulf Hansson , Magnus Damm , linux-mmc@vger.kernel.org, linux-renesas-soc@vger.kernel.org Subject: Re: [PATCH v4 3/3] mmc: renesas_sdhi: implement R-Car Gen[123] fallback compatibility strings Message-ID: <20171018072505.zsevamypcxpfoa2p@ninjato> References: <20171018070023.3878-1-horms+renesas@verge.net.au> <20171018070023.3878-4-horms+renesas@verge.net.au> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="5lzkq2zurqiyziid" Content-Disposition: inline In-Reply-To: <20171018070023.3878-4-horms+renesas@verge.net.au> Sender: linux-renesas-soc-owner@vger.kernel.org List-ID: --5lzkq2zurqiyziid Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Oct 18, 2017 at 09:00:23AM +0200, Simon Horman wrote: > Implement fallback compatibility strings for R-Car Gen 1, 2 and 3. >=20 > In the case of Renesas R-Car hardware we know that there are generations = of > SoCs, f.e. Gen 1 and 2. But beyond that its not clear what the relationsh= ip > between IP blocks might be. For example, I believe that r8a7790 is older > than r8a7791 but that doesn't imply that the latter is a descendant of the > former or vice versa. >=20 > We can, however, by examining the documentation and behaviour of the > hardware at run-time observe that the current driver implementation appea= rs > to be compatible with the IP blocks on SoCs within a given generation. >=20 > For the above reasons and convenience when enabling new SoCs a > per-generation fallback compatibility string scheme is being adopted for > drivers for Renesas SoCs. >=20 > Also, improve readability by listing the shmobile fallback compatibility > string after the more-specific compatibility strings they provide a > fallback for. >=20 > Signed-off-by: Simon Horman > Reviewed-by: Geert Uytterhoeven Acked-by: Wolfram Sang --5lzkq2zurqiyziid Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAlnnAdEACgkQFA3kzBSg KbYxvQ/9Ee9X4vHZ3V1zW9v5LAyHcoe1uv7N0u79Y02jr5+XoDwmlWC/30od97sR pkbzMTv2blXXZFlzDL8fdXm8jlkir+AyUvmSWC8jCNhoDeR3qB3lAn5nZEyvgP6m 2W/u6jMoHNCAt8JKxM9/zyPRjwNvvT83G9tpsDjFxEfv+MeWl1Z9roC1+8o3EECy 2lmLlgEBEZkIBbZ/cWRdw6FzDYil1wyu5opK4ujlURX/s1M9R/P79xAdCO8nSuUm KDJNVk7wWQHqyWzhb+KXTCnQ7EW7Tz7Ot7c8PMn0ihH7CXRoxUgBC8wS6y6QyEmp wJ1LDinv3MzdBgHpO4T8ZSpSAD9iXv1QNoIyc8yZMOc6F5FAsLsFvT/NyZwwMSI2 rkjV/D1u10lyveDFppzP1kvzoz6a84iuUM1Nm7R2CUn2Bpeh0Z2ElvNl/Wt90JGl l4W+0NQJ66N0o1sfIleWPMWEoTlEzw2l+tobtlP+/XdYu1VQjjDPXK24uEQ8hkuD EQIsYf+XgiLxi8a57UIwazSzdfIlQf2+Ep42l59NYTbC+VjGMmDGaZURCZ99Yumo TC3srbU97x39O4ywA6WQgtdSwdvaikycD+tAC8LYgPdEjzY0zC7Ry71ge/jHhGGM Lt69M56EXiASiH8BsPknMYR5s9m6kHKwqRtqD1KcRCwAC1cwp78= =UD5X -----END PGP SIGNATURE----- --5lzkq2zurqiyziid--