From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wolfram Sang Subject: Re: [PATCH] sdhci: allow for eMMC 74 clock generation by controller Date: Tue, 21 Sep 2010 18:58:29 +0200 Message-ID: <20100921165829.GA883@pengutronix.de> References: <3A9599CE-49EE-4A18-89E0-22B17090CA43@marvell.com> <4BA72971.1070804@nokia.com> <639D1595-D908-473C-9A41-71B493DCD0C0@marvell.com> <4BB052F6.5080808@nokia.com> <20100920061459.GA9353@pengutronix.de> <5F58EC42-069D-4469-BF13-F741674BE763@marvell.com> <57E26860-E2EC-4510-B928-62BCC7DC1AF8@marvell.com> <4C984B01.2000005@nokia.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="nFreZHaLTZJo0R7j" Return-path: Received: from metis.ext.pengutronix.de ([92.198.50.35]:56942 "EHLO metis.ext.pengutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757787Ab0IUQ6b (ORCPT ); Tue, 21 Sep 2010 12:58:31 -0400 Content-Disposition: inline In-Reply-To: Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org To: Philip Rakity Cc: Adrian Hunter , "linux-mmc@vger.kernel.org" , Mark Brown --nFreZHaLTZJo0R7j Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Sep 21, 2010 at 08:06:20AM -0700, Philip Rakity wrote: >=20 > Our hardware needs to be programmed to handle this case. The host-ops op= tion is only needed from h/w that does not handle this. >=20 > If you can suggest a way to do this in the mmc layer I would welcome impl= ementing it. =20 >=20 > I looked and the solution requires a call into the driver from the mmc la= yer after the all setting POWER_ON call. This was more intrusive than doin= g it in the driver but if you think this makes sense I can do a patch for t= hat. =20 Do you have a draft patch for this intrusive way (can be quick'n'dirty)? It= is usually easier to think about such issues if there is some code... --=20 Pengutronix e.K. | Wolfram Sang | Industrial Linux Solutions | http://www.pengutronix.de/ | --nFreZHaLTZJo0R7j Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) iEYEARECAAYFAkyY5DUACgkQD27XaX1/VRtprwCguXN7pfCLmxBIzbcjjohEsL+7 jnwAoMGgrYd2plbJWeiNmGiAy1ucgKhY =2l4M -----END PGP SIGNATURE----- --nFreZHaLTZJo0R7j--