Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932137AbaKXSUt (ORCPT ); Mon, 24 Nov 2014 13:20:49 -0500 Received: from comal.ext.ti.com ([198.47.26.152]:38790 "EHLO comal.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932103AbaKXSUq (ORCPT ); Mon, 24 Nov 2014 13:20:46 -0500 Date: Mon, 24 Nov 2014 12:20:53 -0600 From: Felipe Balbi To: Sebastian Andrzej Siewior CC: , George Cherian , , , Subject: Re: [PATCH] usb: musb: core: Disable the Interrupts till BABBLE is fully handled Message-ID: <20141124182053.GD25712@saruman> Reply-To: References: <1415953486-6000-1-git-send-email-george.cherian@ti.com> <20141118211734.GA19146@saruman> <54736FBE.6060505@linutronix.de> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="IDYEmSnFhs3mNXr+" Content-Disposition: inline In-Reply-To: <54736FBE.6060505@linutronix.de> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --IDYEmSnFhs3mNXr+ Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Nov 24, 2014 at 06:49:50PM +0100, Sebastian Andrzej Siewior wrote: > On 11/18/2014 10:17 PM, Felipe Balbi wrote: > > I think the driver is mis-detecting Babble. A babble only occurs when > > the device side tries to move data without the host asking for anything. >=20 > It also occurs if the device moves more than packet_size bytes. Not > really helping, I know=E2=80=A6 hmm, why would the device move more than wMaxPacketSize at a time ? That's certainly babble :-) We *must* move data in the wire in <=3DwMaxPacketSize chunks. --=20 balbi --IDYEmSnFhs3mNXr+ Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBAgAGBQJUc3cFAAoJEIaOsuA1yqREUUAP/3R/XAmacfhzpklsapmLsU2C TZxE+IHX7c/FG6m+b3PA2izUMnIIi1FRcVf0sgXInN0oys3xFeT0O0JERCjO9xR8 JuprCtBDLxzrmlPpqnIi+wwdJMaxyXyTiGQGks9eHSAJhKgorUnknb/btcpn4GdM GFvv0EFCbwUo+7Elhm6SLeX6ltlLcRd50qBtQS7gi3Ro6yvRLkQ2JQiEoNMZwnhw SJf5gbMbK1cQELMIqh/c3+UGcHu4dGevqyHv5msTGokWKMReLbfuHVWvZtgo97jT xFLS0QQGWIYwh2HXQaU+bxI1jBD+DUnu1it30PnHwmaTH8x2UktpwHkW0+PinZzH kvjj6yBmCCx+ErBKS2WHe57VYx3RcHbsIX6c1KzsYNeRnu3dry7XZUc4iG09uzil b9ES3JShnLPlVnm1Ok/RUn/NtGwKOo/ORiYi3qitgon7ee7sURyqqPJUnwrg088v u9Xs8c2kB5Ms7uX7+XLmy5WSQHdxQqaKH1iUjppNCeQgmuvzEtEfImx6fB3RT0yD rO5FsoE6IS/1vAhEB0c+lJP2HtAEomnossFtA5vBhmt443hLZ2u8Sr1IqhqYQrVx WmiskjevcHlQj89GvGfQKVFKwj4k54DJwHzvJUI1mCpV1e7kBHPqxZVLBrliXYvp iR/8GqEFjnWh4oWoPAF3 =7NhG -----END PGP SIGNATURE----- --IDYEmSnFhs3mNXr+-- -- 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/