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=-2.5 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, T_DKIMWL_WL_HIGH,URIBL_BLOCKED,USER_AGENT_MUTT 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 68AB0C04AB3 for ; Mon, 27 May 2019 20:20:27 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 3B92C20859 for ; Mon, 27 May 2019 20:20:27 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="fVZ7H5XI" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3B92C20859 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=the-dreams.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender:Content-Type:Cc: List-Subscribe:List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: In-Reply-To:MIME-Version:References:Message-ID:Subject:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=1d5rADXa+elFYl+CyR2zecg8alH9rzvfY9Dr3dwwrwA=; b=fVZ7H5XIls9TCSIX/C6fUTSuT BuczOeM2GWDoKv1MBYWhk/Bf0LTM3x5f1dWOQ/EuksZ48+fNHYzQvc8GF8/CH0NOscqmyXSwSuQRv MrZrIOcp9pd4a56EBuoQIr8Tq+rwcD35eYkJKSnX1uHC/yA7GOw3o9JndDyi+HBtSIjL4o2qbIDGJ Fzwv521j+hL32QHBCuy+/u8ARn32Qj+c0+AmeGokAkgtGocl5UwQeaXz14FhTDXcqgVCxhquTMAI+ /1XMl87pkbsnU8IP18drLx2NEOfTTdF9N8RRHc4JOyCOsQmy2yPPrIJJI0rRsEyoZakSewcAWRbNR /ocfdBi0w==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hVM6V-0002ER-2N; Mon, 27 May 2019 20:20:19 +0000 Received: from sauhun.de ([88.99.104.3] helo=pokefinder.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hVM6R-0002E0-M6; Mon, 27 May 2019 20:20:17 +0000 Received: from localhost (p5486CF59.dip0.t-ipconnect.de [84.134.207.89]) by pokefinder.org (Postfix) with ESMTPSA id AAA472C04C2; Mon, 27 May 2019 22:20:14 +0200 (CEST) Date: Mon, 27 May 2019 22:20:14 +0200 From: Wolfram Sang To: Annaliese McDermond Subject: Re: [PATCH v2] i2c: bcm2835: Model Divider in CCF Message-ID: <20190527202014.GA20304@kunai> References: <20190508071227.18609-1-nh6z@nh6z.net> <4174B26B-4E3A-4CCA-A5ED-BE62A3B5E66A@nh6z.net> <20190516075848.GA1033@kunai> <2E6EDCD1-E0B1-4859-BD75-EF411D3D4C6B@nh6z.net> <20190527191534.GD8808@kunai> MIME-Version: 1.0 In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190527_132015_875939_C73DC6C7 X-CRM114-Status: GOOD ( 12.96 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Stefan Wahren , Florian Fainelli , swarren@wwwdotorg.org, NWDR Team , Eric Anholt , linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-i2c@vger.kernel.org Content-Type: multipart/mixed; boundary="===============5618548645493503419==" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org --===============5618548645493503419== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="Kj7319i9nmIyA2yE" Content-Disposition: inline --Kj7319i9nmIyA2yE Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, May 27, 2019 at 01:00:00PM -0700, Annaliese McDermond wrote: >=20 > > On May 27, 2019, at 12:15 PM, Wolfram Sang wrote: > >=20 > > Regardless which solution is favoured, I am going to apply this patch in > > a minute: > >=20 > > http://patchwork.ozlabs.org/patch/1097688/ > >=20 > > It enables this driver for ARCH_BRCMSTB. So, the solution should work > > for this as well. (I don't know any of these platforms well) >=20 > I did some looking the other day, and I had forgotten that the RPi has 3 > of the i2c-bcm2835 devices each with their own divider that sits in their > register space. This makes me think the correct solution would be for > the divider to be controlled in the driver as was in my original patch. > Otherwise we=E2=80=99d have to make three different dividers in the bcm28= 35-clk > driver, and the i2c driver would no longer work for other platforms. I am getting more and more convinced of the original patch even without CCF acks. Others? --Kj7319i9nmIyA2yE Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAlzsRnoACgkQFA3kzBSg KbZ3Ig//bhLKH92dCBPaAdPCOobKJXl0WATDzHS3BEtr6DP1TTNBsUD5wBwUt7Rc gsfQF+nupWjX/ZzIMLFYhSA3UPz3G+F0WfeGXlHPKU3AWaCworIXr19ueovykBsI gF4JxmeWLIhjnogATB0ATUTPMiBiVtQYsfNjyzkTCwBNQaZKy8EKeSpV0Lo1pY4R 3We7Ly8uFMyZpI6Xa9Q39rhuEpP3XMEQ3ex346eVdkSFVsn/GtlW79yJcYPuE2iH gk0HJarmM5UVuCQJwq2XKxhk7TTMc1cYLpWhRMkMqbR/7++WKjEX1ugSt/bSzyEW 4rhv5tTpErXAUngtr/v21eXVvQ3to0mffd181t2qmMJjdCivLrj46usB5o64LgRW D/jvT6eDeTPpor7eGGfd6KJgzgLHDcEN/PB/61U0f82k31zT93flvZueZa12JO4R 9zTU4YmG4qwO/coflGIwkgytmFVoKakQAtCkuylH9YqhKay51scrlbvZtVTLn87f Wy1H7cgotBXKQtA4NtOj20UKp0g0FTdT0fZBQlaCJeSsChEvjBR7y4xXvxl4sEQO GCBwu4sGvqfueTi0bl1W4kuTJLsHQiw7uB2a4wtj6kFZ6blsolODrUyO6hkIM4XR 38nY4771iZVDSQHApx7VwIcmTEIsdVgrVs62c521ybNcbFV7ZH0= =eW6M -----END PGP SIGNATURE----- --Kj7319i9nmIyA2yE-- --===============5618548645493503419== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel --===============5618548645493503419==--