From mboxrd@z Thu Jan 1 00:00:00 1970 From: Maxime Ripard Subject: Re: [PATCH 3/5] spi: sunxi: expose maximum transfer size limit Date: Mon, 30 May 2016 10:37:45 +0200 Message-ID: <20160530083745.GG4247@lukather> References: <5fffb7eca6f4b70853d92be2403595d6d06bede7.1464130597.git.hramrach@gmail.com> Reply-To: maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="fCcDWlUEdh43YKr8" Cc: linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org, Mark Brown , Chen-Yu Tsai , linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Michal Suchanek Return-path: Sender: linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org Content-Disposition: inline In-Reply-To: <5fffb7eca6f4b70853d92be2403595d6d06bede7.1464130597.git.hramrach-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , List-Id: linux-spi.vger.kernel.org --fCcDWlUEdh43YKr8 Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline On Thu, May 26, 2016 at 07:25:24PM -0000, Michal Suchanek wrote: > The sun4i spi hardware can trasfer at most 63 bytes of data without DMA > support so report the limitation. Same on sun6i. Is it? Is there timeouts on the A31 and later SoCs? Maxime -- Maxime Ripard, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com --fCcDWlUEdh43YKr8-- From mboxrd@z Thu Jan 1 00:00:00 1970 From: maxime.ripard@free-electrons.com (Maxime Ripard) Date: Mon, 30 May 2016 10:37:45 +0200 Subject: [PATCH 3/5] spi: sunxi: expose maximum transfer size limit In-Reply-To: <5fffb7eca6f4b70853d92be2403595d6d06bede7.1464130597.git.hramrach@gmail.com> References: <5fffb7eca6f4b70853d92be2403595d6d06bede7.1464130597.git.hramrach@gmail.com> Message-ID: <20160530083745.GG4247@lukather> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Thu, May 26, 2016 at 07:25:24PM -0000, Michal Suchanek wrote: > The sun4i spi hardware can trasfer at most 63 bytes of data without DMA > support so report the limitation. Same on sun6i. Is it? Is there timeouts on the A31 and later SoCs? Maxime -- Maxime Ripard, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 819 bytes Desc: not available URL: From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754443AbcE3Ihs (ORCPT ); Mon, 30 May 2016 04:37:48 -0400 Received: from down.free-electrons.com ([37.187.137.238]:59965 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754414AbcE3Ihr (ORCPT ); Mon, 30 May 2016 04:37:47 -0400 Date: Mon, 30 May 2016 10:37:45 +0200 From: Maxime Ripard To: Michal Suchanek Cc: linux-sunxi@googlegroups.com, Mark Brown , Chen-Yu Tsai , linux-spi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 3/5] spi: sunxi: expose maximum transfer size limit Message-ID: <20160530083745.GG4247@lukather> References: <5fffb7eca6f4b70853d92be2403595d6d06bede7.1464130597.git.hramrach@gmail.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="fCcDWlUEdh43YKr8" Content-Disposition: inline In-Reply-To: <5fffb7eca6f4b70853d92be2403595d6d06bede7.1464130597.git.hramrach@gmail.com> User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --fCcDWlUEdh43YKr8 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, May 26, 2016 at 07:25:24PM -0000, Michal Suchanek wrote: > The sun4i spi hardware can trasfer at most 63 bytes of data without DMA > support so report the limitation. Same on sun6i. Is it? Is there timeouts on the A31 and later SoCs? Maxime --=20 Maxime Ripard, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com --fCcDWlUEdh43YKr8 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBAgAGBQJXS/vZAAoJEBx+YmzsjxAgY4gP/AjLYkvTZtWseBHflEn23fGh tlMs5vV9QMCezGl4CknmBZtMoGdKJwDyAIkIAC739ZT9JmbMrr5FYN4R2BLwx2wF f78I6WvWijK+3x2UoG0ikEBrLQeMjFQWO6UiSq9z2n75Q+DHFKQ+UaQH6Cw6ED/v kJvMJ4/UFZGDlL9vlHcEyVBfevgRQY3zsg5EtwM6PugDLkjs6jBL1y1VtHYFAEdk T+BYpD0AExc3IFfShP6A0EbprUMZz/BFIxxiX9KzP1ZmSm/LZSGlPlw3BS6FRkpd oClFO19ndvdCFk2W/vffqUKhLpilCnp8fmmc4VpN8BH/+qvGlq554ZYGnj81Bj1c Sy+Ph2U1yeI9AUPhkLYUxh6LKDQnx21DQnY1tZ7ueT1x75VkJ7Kj9JlhCt5DpZQu lj92rxl/OAM60mmKPT+kbCYhL73Xl1r2EyJT4yFyAsChZlKeHG6iZWluIiW9GQJ4 O3Lyh2koRvlhXXojf9cZxfCd4iR1Vd/OodG43VbZ7H5Z6Me9V7toPnhvmCVSz6Bg 0gjF9gOOOS/kgFk1rL8kxgN7t+UwMI5oTjltM7wfB8bD0l6lfoopUc82PqrpBCgw FdOIVVDkkMTiGeLw3lNxizz4VyT8maaDFqipBdk4BglHnzq8QET1tdLzz463NOEe A2C7xW2sPAKy5voprauC =ntgi -----END PGP SIGNATURE----- --fCcDWlUEdh43YKr8--