From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Dooks Subject: Re: S3C2412 SPI controller in DMA/FIFO mode Date: Wed, 12 May 2010 12:42:41 +0100 Message-ID: <20100512114241.GI26401@trinity.fluff.org> References: <4BEA78AA.1090409@reciva.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="BwCQnh7xodEAoBMC" Return-path: Received: from trinity.fluff.org ([89.16.178.74]:51197 "EHLO trinity.fluff.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754392Ab0ELLmm (ORCPT ); Wed, 12 May 2010 07:42:42 -0400 Content-Disposition: inline In-Reply-To: <4BEA78AA.1090409@reciva.com> Sender: linux-samsung-soc-owner@vger.kernel.org List-Id: linux-samsung-soc@vger.kernel.org To: Jonathan Miles Cc: linux-samsung-soc@vger.kernel.org --BwCQnh7xodEAoBMC Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, May 12, 2010 at 10:45:14AM +0100, Jonathan Miles wrote: > Hi! > > Has anyone had any success in getting the S3C2412 SPI controller to work = =20 > in FIFO or DMA mode? I've been trying for a while now but not managed to = =20 > create anything stable. > > I note that the current kernels have s3c24xx_fiq - is this because no =20 > one else has managed to get FIFO/DMA to work either? Partly it is there because other SoCs don't have FIFO and also don't have bi-directional capable DMA. Not tried FIFO with S3C2412, the FIQ was plenty fast enough. --=20 Ben Q: What's a light-year? A: One-third less calories than a regular year. --BwCQnh7xodEAoBMC 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) iD8DBQFL6pQxJZCApG2L7OYRAqGXAJ4snx3Z5BlgUczGgRc5Xc1qxzP2sACfVGGP KfyGc8RtmjN5Shd5UO5CZ7s= =LA1N -----END PGP SIGNATURE----- --BwCQnh7xodEAoBMC--