From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-641093-1520350898-2-11786482953490390627 X-Sieve: CMU Sieve 3.0 X-Spam-known-sender: no X-Spam-score: 0.0 X-Spam-hits: BAYES_00 -1.9, RCVD_IN_DNSWL_HI -5, T_RP_MATCHES_RCVD -0.01, LANGUAGES en, BAYES_USED global, SA_VERSION 3.4.0 X-Spam-source: IP='209.132.180.67', Host='vger.kernel.org', Country='CN', FromHeader='org', MailFrom='org' X-Spam-charsets: plain='us-ascii' X-Attached: signature.asc X-Resolved-to: greg@kroah.com X-Delivered-to: greg@kroah.com X-Mail-from: stable-owner@vger.kernel.org ARC-Seal: i=1; a=rsa-sha256; cv=none; d=messagingengine.com; s=arctest; t=1520350898; b=ZGbRgofYeb1ZsYlhexPNc9l5VWcQvXxNQ63G3uQaxoOI6+b jrQEzA5P+YmQSEU2zmnHpiF0RfuOEBY/WwWfoZeP2/PpFSIBr94eIC54GDueFEWd nwmfhCW2BhS2oJ20C/0REXyZAryPpSpFpZJa4BKGonYNNYxZ1VMqAnBZsgwoDyYi mZbmet84wQiFiJI3WpSuZhLZeDC1r43PkvW6Nu8VpNrmz995spe7OUxPjoYSeALk J3g7rv2gfyNdwFL6Sweumr5CR4UfzRCqnLG794sAHpBfzWJ0/B62ZNOC9ZQGg+0b sF5OOiKjwrgodgg/h02YO6xC6aysCxjDt4xY2mQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=date:from:to:cc:subject:message-id :references:mime-version:content-type:in-reply-to:sender :list-id; s=arctest; t=1520350898; bh=WvzizHzNJuOb0SBb50XuUdHcLP hcq/jCVyQVxMY9P94=; b=D0H4MQaCtlZOHcNvHtIzbG9weLP4EKiLjoXQoSGD9g UrbdnM7U9k1icfCCko1whfPDeRc7h19x+KkBtaZpGnPqq8mkdzCeMfOYUe7Mg3qb fEHJWQTHxnclh5ZsmAkGwLSvpvYDITBQNHTy+WBAvUBZvUQTfyLczwB9V1KqHyrA QGIB0XULleXK7qjeahwrCcSM7TjNW+PrB08FVHIguTEjKYIeh40Q2y3rHcCqvU0R KEe0Q3tkPgCg1ud5ipXsUIUGVFAzsrjPtoPrUxK3SS04I8hjaNwVwWLAhGhK2M4i FFL1lbIAzszMoW3qbpTyuGTVMZb/5NKLKBGHtR3qB6tQ== ARC-Authentication-Results: i=1; mx5.messagingengine.com; arc=none (no signatures found); dkim=fail (message has been altered; 1024-bit rsa key sha256) header.d=sirena.org.uk header.i=@sirena.org.uk header.b=sPTikNp9 x-bits=1024 x-keytype=rsa x-algorithm=sha256 x-selector=20170815-heliosphere; dmarc=none (p=none,has-list-id=yes,d=none) header.from=kernel.org; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=orgdomain_pass; x-category=clean score=-100 state=0; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=kernel.org header.result=pass header_is_org_domain=yes Authentication-Results: mx5.messagingengine.com; arc=none (no signatures found); dkim=fail (message has been altered; 1024-bit rsa key sha256) header.d=sirena.org.uk header.i=@sirena.org.uk header.b=sPTikNp9 x-bits=1024 x-keytype=rsa x-algorithm=sha256 x-selector=20170815-heliosphere; dmarc=none (p=none,has-list-id=yes,d=none) header.from=kernel.org; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=orgdomain_pass; x-category=clean score=-100 state=0; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=kernel.org header.result=pass header_is_org_domain=yes Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753941AbeCFPjr (ORCPT ); Tue, 6 Mar 2018 10:39:47 -0500 Received: from heliosphere.sirena.org.uk ([172.104.155.198]:33326 "EHLO heliosphere.sirena.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753923AbeCFPjn (ORCPT ); Tue, 6 Mar 2018 10:39:43 -0500 Date: Tue, 6 Mar 2018 15:39:40 +0000 From: Mark Brown To: Jonas Gorski Cc: Sasha Levin , "linux-kernel@vger.kernel.org" , "stable@vger.kernel.org" Subject: Re: [PATCH AUTOSEL for 4.9 002/219] spi/bcm63xx: make spi subsystem aware of message size limits Message-ID: <20180306153940.GD13586@sirena.org.uk> References: <20180303222716.26640-1-alexander.levin@microsoft.com> <20180303222716.26640-2-alexander.levin@microsoft.com> <20180305102310.GC8588@sirena.org.uk> <20180305200744.afw64js6wnmyfqrb@sasha-lappy> <20180305203533.GP8588@sirena.org.uk> <20180306142012.GB13586@sirena.org.uk> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="JwB53PgKC5A7+0Ej" Content-Disposition: inline In-Reply-To: X-Cookie: DYSLEXICS OF THE WORLD, UNTIE! User-Agent: Mutt/1.9.3 (2018-01-21) Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: --JwB53PgKC5A7+0Ej Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Tue, Mar 06, 2018 at 04:33:34PM +0100, Jonas Gorski wrote: > I would assume that this is true for most systems with a limited SPI > controller. I would hope that most board designers are sensible enough > to not add devices that won't work ;-) With things like firmware downloads the problem is that they can generally work, they're just horribly inefficient since you have to chunk them up into multiple operations rather than just pointing the hardware at a big buffer and letting it get on with things (same problem as with flash really). --JwB53PgKC5A7+0Ej Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAlqetjsACgkQJNaLcl1U h9BYqgf9Hweq1HR3HmxLk0MmjWrT2oaq3qvHsUvT6ZR2vny/Mmsm7J8kMRp72pDd UMYnofaiHg5GuXiAufMPhS9sI0t+SwOlnpFVjo+McPYf42+n6OaktM7BQl3kZHA+ wg5x9+/9fQNpSbLtkLkS2SusjcQl8+mWzJct6/UTGTVFimZ/GK2rZFYguIwKIEjw 6pLBRggKwQQQZgPhyXPS4A4aU14znuJul4Z6XXHpDkfv3RD61FqWKyeUxnS3PP9S qRtHYMkrq7jGrK7LwkG1eadSsroc2efFWzAaNIrikMxbrCn6iMRe/GRN92BpSUby Joq51JefBCV+hcFCaCqoZ7+8GhkTXg== =/sMz -----END PGP SIGNATURE----- --JwB53PgKC5A7+0Ej--