From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Brown Subject: Re: [alsa-devel] [PATCH] ASoC: snd_dmaengine: add common api for pcm_mmap Date: Thu, 28 Jun 2012 13:28:31 +0100 Message-ID: <20120628122830.GJ28922@opensource.wolfsonmicro.com> References: <1340866886-24432-1-git-send-email-ldewangan@nvidia.com> <4FEC3B70.5030902@metafoo.de> <20120628121816.GB21029@sirena.org.uk> <4FEC4E62.3020101@metafoo.de> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="x0KprKst+ZOYEj2z" Return-path: Content-Disposition: inline In-Reply-To: <4FEC4E62.3020101@metafoo.de> Sender: linux-kernel-owner@vger.kernel.org To: Lars-Peter Clausen Cc: Takashi Iwai , alsa-devel@alsa-project.org, swarren@nvidia.com, linux-kernel@vger.kernel.org, Laxman Dewangan , lrg@ti.com, Marek Szyprowski List-Id: alsa-devel@alsa-project.org --x0KprKst+ZOYEj2z Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Thu, Jun 28, 2012 at 02:30:26PM +0200, Lars-Peter Clausen wrote: > On 06/28/2012 02:18 PM, Mark Brown wrote: > > Oh, dear - this means we don't actually have a generic API at all. Is > > there any effort being made to make this generally available? > Yes there is, and in fact in next/master there is generic > dma_mmap_writecombine. I'm not quite sure how it behaves on non ARM archs > though. But in theory it should fallback to a normal coherent mapping. Marek > did a lot of work on this, I've put him on Cc. OK, that's not so bad. Where is this code, can we merge it into ALSA? If not it's probably best to punt until after the merge window. --x0KprKst+ZOYEj2z Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIcBAEBAgAGBQJP7E3lAAoJEBus8iNuMP3dFk8P/1KXEXgMFvv/gOq420U6HbdH hzPvm0f1xnfLWkrbUEarbfXiFjShJ0xF2dIerxkuq0gqtN+zgX6g12pUfNfAyCy7 rzrd0nLfZj51Q+uLuVdsgl68ewOOQPofGU+PRAmXU80AczVUonaSI/hlEVHTzCzD x9QwjLBSCaoakJdnGGtMZfhcaXOyRGZHMfB5sH5nPRKSObsKFDrk6t3NWRL3Zkq7 fJvB/wHHo8fvJQxIKharLLX86QSJHf3MCCeNw2djcItR7+CFGHoZDRb96y6oAAdA 9/wZqho2kh/Y1GVu4sGO4hzpIO8z4Bh/JghApvBAy2/bKi9TgtYsvpvnZTPPa7Yu ud13p7npOg6ySGyORie+UKh4wXyY6Kco8nteqMYOmChZz3EgdfeeKzjNrDX45jM/ itFLqTfPwMUuz2DTAJlqvtMMp5EOUsZRvc+2eBv+PGolXvkebqKZG39K67MqB9B3 o18gQEgLgwYmZKRSTuxQPyCUbJEOLb460hASYwfcjs1lDp8w2cAb+7k4W2s9Ube3 XUP5G0mPWAva5fefRhKOfzmk2yj2++B6crsgHhv2Wfs3onCv6yIKnhkyQFsQySVg kO7cRWGpY1cTcus64LgPMzc5FpHBeid5bB+HQ3PDGgeOlxoBYQWCW7yEwvAc2Hf7 nEazcyjs4fm3bC1OtPHS =2Wgx -----END PGP SIGNATURE----- --x0KprKst+ZOYEj2z--