Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753477AbbDUKFq (ORCPT ); Tue, 21 Apr 2015 06:05:46 -0400 Received: from mezzanine.sirena.org.uk ([106.187.55.193]:43147 "EHLO mezzanine.sirena.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751953AbbDUKFo (ORCPT ); Tue, 21 Apr 2015 06:05:44 -0400 Date: Tue, 21 Apr 2015 11:05:15 +0100 From: Mark Brown To: Koro Chen Cc: robh+dt@kernel.org, matthias.bgg@gmail.com, perex@perex.cz, tiwai@suse.de, srv_heupstream@mediatek.com, linux-mediatek@lists.infradead.org, s.hauer@pengutronix.de, galak@codeaurora.org, lgirdwood@gmail.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, alsa-devel@alsa-project.org Message-ID: <20150421100515.GB22845@sirena.org.uk> References: <1428653649-38200-1-git-send-email-koro.chen@mediatek.com> <1428653649-38200-4-git-send-email-koro.chen@mediatek.com> <20150418175139.GG26185@sirena.org.uk> <1429510944.30743.36.camel@mtksdaap41> <20150420205511.GL14892@sirena.org.uk> <1429583233.14794.40.camel@mtksdaap41> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="wzJLGUyc3ArbnUjN" Content-Disposition: inline In-Reply-To: <1429583233.14794.40.camel@mtksdaap41> X-Cookie: Your present plans will be successful. User-Agent: Mutt/1.5.23 (2014-03-12) X-SA-Exim-Connect-IP: 94.175.94.161 X-SA-Exim-Mail-From: broonie@sirena.org.uk Subject: Re: [RESEND RFC PATCH 3/3] ASoC: mediatek: Add AFE platform driver X-SA-Exim-Version: 4.2.1 (built Mon, 26 Dec 2011 16:24:06 +0000) X-SA-Exim-Scanned: Yes (on mezzanine.sirena.org.uk) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1620 Lines: 44 --wzJLGUyc3ArbnUjN Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Apr 21, 2015 at 10:27:13AM +0800, Koro Chen wrote: > The SRAM size to be used is defined by params_buffer_bytes(params), not > fixed (of course limited by the actual available SRAM size on HW), so > the latency should be the same compared to a DRAM having the same size.= =20 Right, some systems have the SRAM as essentially a big FIFO but this doesn't have that problem. > The SRAM can be used by any memif, and that's why the plan was let DT > make the decision. OK, if it's for any interface rather than just DL1 like Sascha said then it does need to be selectable, but DT doesn't seem the platce to do it. --wzJLGUyc3ArbnUjN Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQEcBAEBCAAGBQJVNiDaAAoJECTWi3JdVIfQc1IIAINHf74XjKnuzrQshE/XdZpE 0oAxLCh8+dgYhoJuW5CBCE5Mipv2uQUHGUSkCoeNh2wvWOgcVBKme+XemSbMRwnJ STifueuVEf+yDNpDL6RPdeefZVRA5aPzA3tmtnDh5iz8Belii0ZpxgKyG/Zt/wEs 0DpmZl0a50jXx59wLVLfAtrXJ1Zf37n0DlSTSjCeVo8Afx+hyIv1EN0L15+Q1nWH R6GXbu2W60kjGmftbWM/OpsTlH2naXHEcg4VjZwMT/WOi/CCaFAVRuiSvPJHp1V+ dOircdCgDq7E7QZvXTI8L5DW6Wq34yAKoq63Rw8qF01tCwkMaHq7pmIcroaNUKA= =sQO0 -----END PGP SIGNATURE----- --wzJLGUyc3ArbnUjN-- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/