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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8AE2AC32772 for ; Sat, 20 Aug 2022 06:30:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244900AbiHTGaL (ORCPT ); Sat, 20 Aug 2022 02:30:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56946 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229458AbiHTGaJ (ORCPT ); Sat, 20 Aug 2022 02:30:09 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 16671B07D5; Fri, 19 Aug 2022 23:30:07 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 8DB20B816D8; Sat, 20 Aug 2022 06:30:06 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 93670C433D6; Sat, 20 Aug 2022 06:30:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1660977005; bh=exw9SaJCeUBSW+rAlqqy1BP9+7K2rYOmxA+Xh9R+Nq0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=b5NT79YbNyPjFdB4bBd8t4YdMnsd1MPYnXk/VkXf0a87BMDe8xt9nONiAGBoQpO+x gWkIHPzAUqqRUw4iLgLeIoCBY8nuG5L8EQYRzfiDFG0cRnhHaU/PIF1zgYwyRJ2aml dlg2Z/ZuvyGKYVkiqA4mbt1Y7f/LTRn00JkPUwnugRVvb++KVf+oJRdPmePwAHP+v2 x7WT9nhLq/ONVNJrvWTW8EoddcY+x0VHIk/SWujf1slF7cI/QYrMeVbSxawDu2uP8z 0CQJRssrI7/0yOdvo1umy0pJozI5fe+MI0nhA56yBt6qgkqCd3jQzMDGBKgzxqpW+b uTqfzavu573qA== Date: Sat, 20 Aug 2022 08:30:01 +0200 From: Wolfram Sang To: Jan Dabros Cc: linux-kernel@vger.kernel.org, linux-i2c@vger.kernel.org, jarkko.nikula@linux.intel.com, andriy.shevchenko@linux.intel.com, mika.westerberg@linux.intel.com, rrangel@chromium.org, mw@semihalf.com, upstream@semihalf.com Subject: Re: [PATCH v2] i2c: designware: Introduce semaphore reservation timer to AMDPSP driver Message-ID: Mail-Followup-To: Wolfram Sang , Jan Dabros , linux-kernel@vger.kernel.org, linux-i2c@vger.kernel.org, jarkko.nikula@linux.intel.com, andriy.shevchenko@linux.intel.com, mika.westerberg@linux.intel.com, rrangel@chromium.org, mw@semihalf.com, upstream@semihalf.com References: <20220812071526.414285-1-jsd@semihalf.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="tK4/di2mPXFHr9ge" Content-Disposition: inline In-Reply-To: <20220812071526.414285-1-jsd@semihalf.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --tK4/di2mPXFHr9ge Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Aug 12, 2022 at 09:15:26AM +0200, Jan Dabros wrote: > In order to optimize performance, limit amount of back and forth > transactions between x86 and PSP. This is done by introduction of > semaphore reservation period - that is window in which x86 isn't > releasing the bus immediately after each I2C transaction. >=20 > In order to protect PSP from being starved while waiting for > arbitration, after a programmed time bus is automatically released by a > deferred function. >=20 > Signed-off-by: Jan Dabros Fixed this checkpatch check: CHECK: Blank lines aren't necessary after an open brace '{' #60: FILE: drivers/i2c/busses/i2c-designware-amdpsp.c:265: and applied to for-next, thanks! --tK4/di2mPXFHr9ge Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAmMAf2kACgkQFA3kzBSg KbYzCQ//VDhWJ7L1FK7lI9PMNeLt++3U7DLDOvK9Uf9aKHfEBwItpIahAiPW3TMv dk/kMaQ5sylz71wLuGPUJs/6dgpqh15GgkCEoGQXGzBdx/NcHny4Injov6kSm8Yp OKDDlEiBk92uWg0w+CVTbxE2uZQLJAFWuW/rTCeYzhAwvPiC+HtoEVEaU75hdvA2 hLShevvFllZfclONwxF0dg5uVBPukQ4HJowSMG2qzo7IdLdBjqIcF7drD2/o57rR ldtnKk0ozrn1s/qmnsZKtLJdf22BEpxtdKhSfxTkN/hOIZ6V+bBlO841sPlOM/Xl SpT+iqapG7G0sP2gOY0SyGI/b1Pk4bbMs0Gx3EOmedFy8FANKlBvh1Xl6jMfkizy gvSJmuZ0VeSa+HSr3LNdAhEVGIYAF7EsQykaUt+GHRG2cUr39/RFlW59eYIEe4RO fVoJdFS+zDu/K5xOsSsevgcOORc2OTtjiEl8aAeCAogOmiHmeQCoESlswe2S4Yih NxX3ANwuR+CD5mLVIJkPoBmeVyLA+pvoiKHTQWkD0g6iO0ecs13t+GY6TaEzHN/t qsHBdec/LDxmyBOHrLIKekJ4/G8rpFsQAvSymQA95OsQWV9lapp0VEACOd3ADCmL ba/Fq6IyTAm2TPHz8qnidAtr7+EvsnfvQA2fkWCBtMaO17oFymY= =P1Al -----END PGP SIGNATURE----- --tK4/di2mPXFHr9ge--