From mboxrd@z Thu Jan 1 00:00:00 1970 From: Maxime Ripard Subject: Re: [PATCH v2 2/3] mmc: sunxi: Filter out unsupported modes declared in the device tree Date: Wed, 6 Feb 2019 13:20:08 +0100 Message-ID: <20190206122008.ykldbk7kcfjfjxtv@flea> References: <20190205154225.14264-1-wens@csie.org> <20190205154225.14264-3-wens@csie.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="6r42epslv3udyodi" Return-path: Content-Disposition: inline In-Reply-To: <20190205154225.14264-3-wens@csie.org> Sender: stable-owner@vger.kernel.org To: Chen-Yu Tsai Cc: Ulf Hansson , linux-mmc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-sunxi@googlegroups.com, Chris Blake , stable@vger.kernel.org List-Id: devicetree@vger.kernel.org --6r42epslv3udyodi Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Feb 05, 2019 at 11:42:24PM +0800, Chen-Yu Tsai wrote: > The MMC device tree bindings include properties used to signal various > signalling speed modes. Until now the sunxi driver was accepting them > without any further filtering, while the sunxi device trees were not > actually using them. >=20 > Since some of the H5 boards can not run at higher speed modes stably, > we are resorting to declaring the higher speed modes per-board. >=20 > Regardless, having boards declare modes and blindly following them, > even without proper support in the driver, is generally a bad thing. >=20 > Filter out all unsupported modes from the capabilities mask after > the device tree properties have been parsed. >=20 > Cc: > Signed-off-by: Chen-Yu Tsai Acked-by: Maxime Ripard Maxime --=20 Maxime Ripard, Bootlin Embedded Linux and Kernel engineering https://bootlin.com --6r42epslv3udyodi Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRcEzekXsqa64kGDp7j7w1vZxhRxQUCXFrQ+AAKCRDj7w1vZxhR xVkkAP9N0HH9HJ0MV1En3HP7Ygb/UhglPAPAQA32AQ+OgFmxTAD9HB/mP3Wg05ux a/NdR+KsNS6hOmibmoCOuF4ym3tNWAA= =zFwy -----END PGP SIGNATURE----- --6r42epslv3udyodi--