Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030653Ab3HIOWF (ORCPT ); Fri, 9 Aug 2013 10:22:05 -0400 Received: from comal.ext.ti.com ([198.47.26.152]:40718 "EHLO comal.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1030311Ab3HIOWD (ORCPT ); Fri, 9 Aug 2013 10:22:03 -0400 Date: Fri, 9 Aug 2013 17:21:43 +0300 From: Felipe Balbi To: Sebastian Andrzej Siewior CC: Felipe Balbi , , , , Vinod Koul , Dan Williams Subject: Re: [PATCH 5/5] usb/musb dma: add cppi41 dma driver Message-ID: <20130809142143.GN12041@radagast> Reply-To: References: <1375471450-31154-1-git-send-email-bigeasy@linutronix.de> <1375471450-31154-6-git-send-email-bigeasy@linutronix.de> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="IoFIGPN1N3g1Ryqz" Content-Disposition: inline In-Reply-To: <1375471450-31154-6-git-send-email-bigeasy@linutronix.de> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2461 Lines: 63 --IoFIGPN1N3g1Ryqz Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Aug 02, 2013 at 09:24:10PM +0200, Sebastian Andrzej Siewior wrote: > This driver is currently used by musb' cppi41 couter part. I may merge > both dma engine user of musb at some point but not just yet. >=20 > The driver seems to work in RX/TX mode in host mode, tested on mass > storage. I increaed the size of the TX / RX transfers and waited for the > core code to cancel a transfers and it seems to recover. >=20 > v2..3: > - use mall transfers on RX side and check data toggle. > - use rndis mode on tx side so we haveon interrupt for 4096 transfers. > - remove custom "transferred" hack and use dmaengine_tx_status() to > compute the total amount of data that has been transferred. > - cancel transfers and reclaim descriptors >=20 > v1..v2: > - RX path added > - dma mode 0 & 1 is working > - device tree nodes re-created. >=20 > Cc: Vinod Koul > Cc: Dan Williams > Signed-off-by: Sebastian Andrzej Siewior Vinod, do you mind if I take this through my tree ? It's tightly related with the rest of the series. --=20 balbi --IoFIGPN1N3g1Ryqz Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIcBAEBAgAGBQJSBPr2AAoJEIaOsuA1yqRErDEP/1P1n4kp8MUiK2wKZEfZ0pd1 aVgvd4obBYIGZwmL7ssgeWEvQALRuc+lm21vreCDoAwHd3GlfdAMWIZHgvoztRRO Ws3n/7E3/aNnRwu0jq9EwOs2A2gBXUQj5018frL/s2kq4Y5qUMcLSPhQx0vWpWKI nhP+FJYIsi+9hNH1M4xqlpy1kT0I+s4/VfFCKcnk00M3DZFosG9zUI426W4ZZVq8 dmyxMdM60iSQc4edSAh3KK1y+pZgurOC1qUlwzODert3mGRkHeIIcc5J3/15c3HG +CZnl3H2/8etK5lhxcLrZmmPJ93U/6AnkvjuGURlhK34VQdYRx4NlxtJeMKzrOEM R5adZBBaRhDYdigUxA3ResIvgIchYoKx1Xvcs3SCFk+2W3QUdiKoIu4HiFE83ZgX z/EdY/7XRjFo5vh1if6GxXDMcIaphnQTfNSmw56pd4RKa2sg4iQlyJEdBDpFBe/0 uR68TS9ddh4K0yQFjmy1lruSbwwaVh8V9WDjSzZPNCW0rxvovlajkcBRavD+illC yb96g+frZbKypRIpgyxjJ1YVahLg3iAReUE+EiFrB0oZN5rRy335BojCN1pFnD6B wosaUYS8jkV7kvOeDh149CW24JrQT167UeXVNo3hGCLCvtoDvexFEXabrRLmbOQF q1lMmpz6445YGR9E/ggw =cnbN -----END PGP SIGNATURE----- --IoFIGPN1N3g1Ryqz-- -- 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/