From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-11.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 06EC2C433ED for ; Tue, 13 Apr 2021 12:23:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C786861242 for ; Tue, 13 Apr 2021 12:23:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238296AbhDMMXX (ORCPT ); Tue, 13 Apr 2021 08:23:23 -0400 Received: from mail.kernel.org ([198.145.29.99]:45176 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230025AbhDMMXU (ORCPT ); Tue, 13 Apr 2021 08:23:20 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 6E7BD61278; Tue, 13 Apr 2021 12:23:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1618316581; bh=ND/X5PX2F50VVA44GaiVxpFt4RRi9WYFZe/ETjrmJRA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=A07tmit26Z1hkuVBBr3htpkoV63+IyAC1YHM/7SHgFLlMucegNyEZzRJtQUSSot4v nY6ASTaCF25336mR4ox7kx+7DMsrcglZXjtZlBpeQj7OdNR8IDWpE9hA7nPWbKJN68 7noArUgSXxdaA9CX9s73pmP8hq8FlPyaFiUeo//NneKfB7FzK41MW5VFZ8ig8O5Vj2 rka/ha2upJwc/daguFwxYUMuwkvlDGBAD3afTEFea+VrmoI/XUa0r9k1rRq5S8Xx5z 68nFM1V0WenqPieTJv4Uq/uVayQE05TwvRjE5nDXTAPZ9gNaMVDIn1WNeIIMfPFIf/ SUFxJDPptHtkw== Date: Tue, 13 Apr 2021 14:22:58 +0200 From: Wolfram Sang To: Chris Packham Cc: Andy Shevchenko , linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v3 2/4] i2c: mpc: Interrupt driven transfer Message-ID: <20210413122258.GC1553@kunai> Mail-Followup-To: Wolfram Sang , Chris Packham , Andy Shevchenko , linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org References: <20210413050956.23264-1-chris.packham@alliedtelesis.co.nz> <20210413050956.23264-3-chris.packham@alliedtelesis.co.nz> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="V88s5gaDVPzZ0KCq" Content-Disposition: inline In-Reply-To: <20210413050956.23264-3-chris.packham@alliedtelesis.co.nz> Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org --V88s5gaDVPzZ0KCq Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Apr 13, 2021 at 05:09:53PM +1200, Chris Packham wrote: > The fsl-i2c controller will generate an interrupt after every byte > transferred. Make use of this interrupt to drive a state machine which > allows the next part of a transfer to happen as soon as the interrupt is > received. This is particularly helpful with SMBUS devices like the LM81 > which will timeout if we take too long between bytes in a transfer. >=20 > Signed-off-by: Chris Packham Thanks for the update. I'll wait a little, because IIRC Andy wanted to review. --V88s5gaDVPzZ0KCq Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAmB1jSEACgkQFA3kzBSg KbbYBBAAlXcLqEENblEIDE7psEDr4mEm+m3yO79FZEb7BBNe3+VZhfoRfjikkcbu IgP4JEjveLzN3oKuV2jniio7h5eX4I48yXAQJHonBUv8pDqCeMQ/D/trxfHE08GO iL36Yv9Ehun695nGDxmck1CwqvR8CuIUMDvnw08zgaNDHzPn1y9cQL38WF4uZLsc Exv4xrlxJESnSIkGEOSAEQO07Cz9ZULVIQK9hMboPIVvim8FwR8ZckEFly+HgGut CAt3DZHbNkSzA0tbmVoMLuVNhOkGd8mCNy30oB9ykuY6ZVGCmNYTWfVDPBa6KLgF 6o8uuOPhWn2MfyWf95xYBJXiJvDeD0fS0tGTykGHgx+l2DR0etTukQBJzYLXZjna bNMCy0mMpPegRjQcPnSItRSJzkRo9/sKiQe0oSSP/zHkqKnX7vkGBlOYwLRmm4o/ 8PYM/IAi526elOGKVRX8D+sg5SkIymnHxzMVniqQb1xSnkv9qWGNJVC4cypXw0fi JIdie4YPkKh0p66PMiysCSg3JtQx6t/nwvu8N87e0vSJawcswCAqJYhh/F7N25Iv xlnu/lPphQTqiaqdphEsy0BVy2z1w3DBDu75zrBmXwqQ7jUUc17mJZBAbjxkjpAg hcjJGcGKfWoOO9gcAewgks/Q17XO/FjLviga63AQDsW29d8d30Q= =jhNF -----END PGP SIGNATURE----- --V88s5gaDVPzZ0KCq--