From mboxrd@z Thu Jan 1 00:00:00 1970 From: Oleksij Rempel Subject: Re: [PATCH] mmc: add new au6601 driver Date: Thu, 03 Jul 2014 15:54:55 +0200 Message-ID: <53B560AF.1020609@rempel-privat.de> References: <1399543099-31613-1-git-send-email-linux@rempel-privat.de> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="jJw1lDFspdWUbeWjfAQN41d6PabXeixE2" Return-path: Received: from mout.gmx.net ([212.227.17.21]:57349 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S964836AbaGCNzF (ORCPT ); Thu, 3 Jul 2014 09:55:05 -0400 In-Reply-To: Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org To: Ulf Hansson Cc: linux-mmc This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --jJw1lDFspdWUbeWjfAQN41d6PabXeixE2 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Hi Ulf, i would like to use advantages of sg buffer and make dma part of my driver a bit simpler, for example make use of dma_map_sg, but this controller accept only 4K alignet 32bit addresses. Are there any way to force this alignment in mmc-code? Am 16.06.2014 12:02, schrieb Ulf Hansson: > Hi Oleksij, >=20 > Sorry for a late reply. >=20 > On 8 May 2014 11:58, Oleksij Rempel wrote: >> This driver is based on documentation which was based on my RE-work an= d >> comparision with other MMC drivers. >> It works in legacy mode and can provide 20MB/s R/W spead for most mode= rn >> SD cards, even if at least 40MB/s should be possible on this hardware.= >> It was not possible provide description for all register. But some of = them >> are important to make this hardware work in some unknown way. >> >> Biggest part of RE-work was done by emulating AU6601 in QEMU. >> --=20 Regards, Oleksij --jJw1lDFspdWUbeWjfAQN41d6PabXeixE2 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iF4EAREIAAYFAlO1YLIACgkQHwImuRkmbWlvYgD+LVjb7CI73teqnETPT9I9IDLR 31DHv7+z0+k22EZ5EtAA/0OuSAJ0dxWLeArcV1Ulp2eBg0LHE2Z+RwcmkbBYMuid =J/qs -----END PGP SIGNATURE----- --jJw1lDFspdWUbeWjfAQN41d6PabXeixE2--