From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-1288896-1520245396-2-1641138319851226094 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=1520245396; b=ABVSAAfcrCHOxQB1f7XOEYzpaKk0NW497oKjVp4854lqVA0 q8CPva3Apn0m/P36KoXFWKWciWFnYBtO4o3G0a1/JC3YJPfLjmqVxpO4aaGgzUeq xHDJD5TDS4tDqwfrbwMU9HhmWCbg7136PhvAdzEiELU8DELNVAV6ZVrqtU9/cUxz zlDKAiv4LSo9SDi5HxLYYH7hehH8JK7Dlplt92BKrigf8WviiZFsx0Dp7/e5G+Mj 5UBl2qpas33r37fT1fkLu3afGfaUnvkiXyCfNhhnDYk/O/UnKSBGmnqF4GCgjhkB +YJJhCKzdNm09lMNMzXSMarpL1CBZkDQS79ZQxQ== 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=1520245396; bh=oXWrH+O7pSRgiHExSu7xrblJPj D2WaP/UwPHmEeJZug=; b=rymje+lGAdrjgNPOdw3ej/BmNKJvfm4ypTabkYyzQY DGnVjO2z6Tp38WpT6lqoQ7aPWvQ+pjhda82Olij755zplgb7XT7lR6OyFI0z3ThH 0cS67DyGc01XErRfG7lHhBPYyZEhfo0ki0IzBXTfIClx4uIeDK6HgDEoE/dB7IZm ajd83sHT0sZmqUUFOOCNLFWbcClQ4Y0g4Cins4ekDDX0H3kqEgE4oY5eswS25pVc 1LpmY52OC+QpnOJQGPyAldpYbrv3UOGCeNJjS0D34jk7kaOvy0xLkYALhwqNFAlL riqq398CI1NRo7lQ1AlmYWQuUcnZA6fMpUXDgiKDPpTQ== ARC-Authentication-Results: i=1; mx4.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=j3pVtheU 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: mx4.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=j3pVtheU 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 S933447AbeCEKXN (ORCPT ); Mon, 5 Mar 2018 05:23:13 -0500 Received: from heliosphere.sirena.org.uk ([172.104.155.198]:50166 "EHLO heliosphere.sirena.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933054AbeCEKXM (ORCPT ); Mon, 5 Mar 2018 05:23:12 -0500 Date: Mon, 5 Mar 2018 10:23:10 +0000 From: Mark Brown To: Sasha Levin Cc: "linux-kernel@vger.kernel.org" , "stable@vger.kernel.org" , Jonas Gorski Subject: Re: [PATCH AUTOSEL for 4.9 002/219] spi/bcm63xx: make spi subsystem aware of message size limits Message-ID: <20180305102310.GC8588@sirena.org.uk> References: <20180303222716.26640-1-alexander.levin@microsoft.com> <20180303222716.26640-2-alexander.levin@microsoft.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="uh9ZiVrAOUUm9fzH" Content-Disposition: inline In-Reply-To: <20180303222716.26640-2-alexander.levin@microsoft.com> X-Cookie: Do not write below this line. 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: --uh9ZiVrAOUUm9fzH Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sat, Mar 03, 2018 at 10:27:56PM +0000, Sasha Levin wrote: > From: Jonas Gorski >=20 > [ Upstream commit 0135c03df914f0481c61f097c78d37cece84f330 ] Why are there so many more patches for v4.9 than for more recent kernels? > The bcm63xx SPI controller does not allow manual control of the CS > lines and will toggle it automatically before and after sending data, > so we are limited to messages that fit in the FIFO buffer. Since the CS > lines aren't available as GPIOs either, we will need to make slave > drivers aware of this limitation so they can handle them accordingly. This seems really aggressive for stable... --uh9ZiVrAOUUm9fzH Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAlqdGo4ACgkQJNaLcl1U h9A5NAf/XWUTCTeu0EARe3vqfY1DRoauR6YUM/0FkEes8wmuiBXdjTp7/85hDIbF 0GrFP06XOnHFOPMuwprvtg/qnDyNtxrY1zeJ6Vy3YCuiu8V+Z5W853Gqf9zzG4LA PryDZIvhWAKlgwOy7jDxTK+H3j4+p6OkdgdR814mU94ZW9RkEVhm/Y0freJxnRk/ VJNuIAYzLFd0gB48Sn/LfXWMLfy30ibO4PaSAoqtpPiSAPg4H84msVt6sLnjhTBh jrCggv/gaksfXFM6gw1pTMoXRi2RHeT2STFolZrARl8j7suVCkaPvTCW5tNzW/0o 8xpf4lOQoTqy5kDBHoq9TF4SnIaGvQ== =dEEQ -----END PGP SIGNATURE----- --uh9ZiVrAOUUm9fzH--