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=-7.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 45EC4C433DB for ; Thu, 25 Mar 2021 14:52:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 15656619FC for ; Thu, 25 Mar 2021 14:52:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230167AbhCYOwK (ORCPT ); Thu, 25 Mar 2021 10:52:10 -0400 Received: from mail.kernel.org ([198.145.29.99]:55118 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230239AbhCYOwA (ORCPT ); Thu, 25 Mar 2021 10:52:00 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 0B21961A02; Thu, 25 Mar 2021 14:51:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1616683920; bh=xtiUPNT+gkTEazvbg7RxBkrQf7RL170bGGKjxpmjJS8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=WeDkvV8rzROkU74VYQUxbJHUUZAOMbF8D7fDqwaptHpMqTjdhwAGiAi18DGzzrcdh NpYMo1iRR08fJHEi6H3fCFVdXZlTAtYrh2BrnTbgymBTaWJjSDKQ7Vm+3UmZ7niky9 yQ2BuA/9CoBf76Nqfih8q0oTES8Sd6skCRb7MoxfWEo61ZYDh2uBfO4KHr5e/DmpRW UbaSq/T7qQHcpIvO7EtIGeoTcXc4Tcq3KGYDVpp5wHHMU10/M7dP1Zduv7iOpcyubM /XF9J8TuAkBNm9hiyDwezoV/ATqTZ791t/YnrJIF1LwTQio+Goq+Kr018vTXU/4Deb bMaOlprtLjY/w== Date: Thu, 25 Mar 2021 14:51:52 +0000 From: Mark Brown To: Eddie James Cc: linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org, joel@jms.id.au Subject: Re: [PATCH] spi: fsi: Remove multiple sequenced ops for restricted chips Message-ID: <20210325145152.GB4620@sirena.org.uk> References: <20210324220516.41192-1-eajames@linux.ibm.com> <20210325135038.GA4620@sirena.org.uk> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="UHN/qo2QbUvPLonB" Content-Disposition: inline In-Reply-To: X-Cookie: Offer void where prohibited by law. User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org --UHN/qo2QbUvPLonB Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Thu, Mar 25, 2021 at 09:46:50AM -0500, Eddie James wrote: > On Thu, 2021-03-25 at 13:50 +0000, Mark Brown wrote: > > On Wed, Mar 24, 2021 at 05:05:16PM -0500, Eddie James wrote: > > > Updated restricted chips have trouble processing multiple sequenced > > > operations. So remove the capability to sequence multiple > > > operations and > > > reduce the maximum transfer size to 8 bytes. > > That's a very small limit, it would be nice to be able to identify > > devices that can use the larger limit so they don't suffer > > needlessly. > Yes, this is only for the "restricted" controllers which are marked by > a different compatible string. I guess the commit message isn't > perfectly clear. The commit message reads like there's a new version of the restricted controllers that have even more limits. --UHN/qo2QbUvPLonB Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmBco4YACgkQJNaLcl1U h9CDvQf/UtiQ7EaCZ+2IcZpzTTE1c/bJov/6eb3QLgO84bk1cVoyKuiVGpYlaW9I 7Dvi/yDWbpueWJyXAXbplps0ME5HdjVJnIn5h81Yc4cPCAN5co8aBwndiZBlyU6c N/8aqhG6mtT4oC4+9V7HxyCtePpiXPieSkG5vydJrtoTwEhWI0fw/lpzPDreuyjm Mlwya1G0SA6oPtVAWFQ0y5h71zYSpAio5AYgVEBe9cMCwfVzOBCJGjcTrkKE1mkS v2LyXr1uTrgr0SQnRiGmZhBpXCL2Pb8Tb/7n0Djb9c9m9ylmn4zfGulq8Bx43Ewd tPojaow/meTZ9YHT3egJVXK1zs2HQQ== =YPnl -----END PGP SIGNATURE----- --UHN/qo2QbUvPLonB--