From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S941346AbcJXRFG (ORCPT ); Mon, 24 Oct 2016 13:05:06 -0400 Received: from mezzanine.sirena.org.uk ([106.187.55.193]:42514 "EHLO mezzanine.sirena.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752197AbcJXRFE (ORCPT ); Mon, 24 Oct 2016 13:05:04 -0400 Date: Mon, 24 Oct 2016 18:04:53 +0100 From: Mark Brown To: Martin Kaiser Cc: linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org, s.hauer@pengutronix.de Message-ID: <20161024170453.GE17252@sirena.org.uk> References: <1476913104-2405-1-git-send-email-martin@kaiser.cx> <1476916945-2744-1-git-send-email-martin@kaiser.cx> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="DrWhICOqskFTAXiy" Content-Disposition: inline In-Reply-To: <1476916945-2744-1-git-send-email-martin@kaiser.cx> X-Cookie: When the cup is full, carry it level. User-Agent: Mutt/1.6.0 (2016-04-01) X-SA-Exim-Connect-IP: 2a01:348:6:8808:fab::3 X-SA-Exim-Mail-From: broonie@sirena.org.uk Subject: Re: [PATCH v2] spi: imx: support DMA for imx35 X-SA-Exim-Version: 4.2.1 (built Mon, 26 Dec 2011 16:24:06 +0000) X-SA-Exim-Scanned: No (on mezzanine.sirena.org.uk); Unknown failure Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --DrWhICOqskFTAXiy Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Oct 20, 2016 at 12:42:25AM +0200, Martin Kaiser wrote: > Support DMA transfers on imx35 and compatible chipsets (imx31, imx25). >=20 > If DMA can be used, set the start mode control (SMC) bit to start the > SPI burst as soon as data is written into the tx fifo. Configure DMA > requests when the fifo is half empty during tx or half full during rx. >=20 > Signed-off-by: Martin Kaiser > --- > changes since v1: > fix indentation Please don't send new patches as followups for old ones, it makes it harder to follow what's going on when things get threaded. --DrWhICOqskFTAXiy Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQEcBAEBCAAGBQJYDj80AAoJECTWi3JdVIfQpFsH/iQ4fuoFRR00/mZH0IRJTk0O qnH5ACzfZz7CjtNQ/4Kh6bOoD91M4nHpg6u57FaUFx6upOfMuuFHJ4LyaxRz6cBw zKGxuYXdXX+d8WJjgAl0IE0MK6Nrju6AT7F4ImUeKPDvSLSZkS5o6KijKeCqd3nK jnSA82jrOp9Bhw1Nz7/h+bPptg5rVWZJCy0+Bc6Q8sbK4QZmFzC8XEKPutD9uBYG AHccv5fAlcH4bROVUfQyxehsvY4PdAxHkE5tzMHaCIKL/avdh5EEL0Sa+vEDlRN9 OVTk03UywHjHP9tJwNPriIz1EZQciWr/MGMVa1hSMFYw6RdXtNwCJiKXl8C9shU= =YQLp -----END PGP SIGNATURE----- --DrWhICOqskFTAXiy--