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Received: from relay4-d.mail.gandi.net ([217.70.183.196]) by casper.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1gqacP-0004NI-9s for linux-arm-kernel@lists.infradead.org; Mon, 04 Feb 2019 09:32:48 +0000 X-Originating-IP: 90.88.147.226 Received: from localhost (aaubervilliers-681-1-27-226.w90-88.abo.wanadoo.fr [90.88.147.226]) (Authenticated sender: maxime.ripard@bootlin.com) by relay4-d.mail.gandi.net (Postfix) with ESMTPSA id 4CC8DE0004; Mon, 4 Feb 2019 09:32:14 +0000 (UTC) Date: Mon, 4 Feb 2019 10:32:14 +0100 From: Maxime Ripard To: Chen-Yu Tsai Subject: Re: [PATCH 1/3] mmc: sunxi: Disable HS-DDR mode for H5 eMMC controller by default Message-ID: <20190204093214.7zbomq5cddacdrmj@flea> References: <20190203155628.16767-1-wens@csie.org> <20190203155628.16767-2-wens@csie.org> MIME-Version: 1.0 In-Reply-To: <20190203155628.16767-2-wens@csie.org> User-Agent: NeoMutt/20180716 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190204_093245_372181_9FA5267E X-CRM114-Status: GOOD ( 13.62 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Ulf Hansson , Chris Blake , linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org, linux-sunxi@googlegroups.com, linux-arm-kernel@lists.infradead.org Content-Type: multipart/mixed; boundary="===============1698669075946050295==" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org --===============1698669075946050295== Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="zfeanym3wm2ugnka" Content-Disposition: inline --zfeanym3wm2ugnka Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sun, Feb 03, 2019 at 11:56:26PM +0800, Chen-Yu Tsai wrote: > Some H5 boards seem to not have proper trace lengths for eMMC to be able > to use the default setting for the delay chains under HS-DDR mode. These > include the Bananapi M2+ H5 and NanoPi NEO Core2. However the Libre > Computer ALL-H3-CC-H5 works just fine. >=20 > For the H5 (at least for now), default to not enabling HS-DDR modes in > the driver, and expect the device tree to signal HS-DDR capability on > boards that work. >=20 > Reported-by: Chris Blake > Fixes: 07bafc1e3536 ("mmc: sunxi: Use new timing mode for A64 eMMC contro= ller") > Cc: > Signed-off-by: Chen-Yu Tsai Acked-by: Maxime Ripard Maxime --=20 Maxime Ripard, Bootlin Embedded Linux and Kernel engineering https://bootlin.com --zfeanym3wm2ugnka Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRcEzekXsqa64kGDp7j7w1vZxhRxQUCXFgGngAKCRDj7w1vZxhR xQ34AQDDlWTar1du3xFEC1e1fJUNS/H5WIpD1xoqSDIRRTEesAEA/4Yh32/qyqFY sofCnWYe+scJvJ0D+ZPFcyfJje6uDQc= =os86 -----END PGP SIGNATURE----- --zfeanym3wm2ugnka-- --===============1698669075946050295== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel --===============1698669075946050295==--