Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753768Ab3EMSQh (ORCPT ); Mon, 13 May 2013 14:16:37 -0400 Received: from cassiel.sirena.org.uk ([80.68.93.111]:48382 "EHLO cassiel.sirena.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752618Ab3EMSQf (ORCPT ); Mon, 13 May 2013 14:16:35 -0400 Date: Mon, 13 May 2013 22:16:25 +0400 From: Mark Brown To: Sebastian Hesselbarth Cc: =?iso-8859-1?Q?S=F6ren?= Brinkmann , Mike Turquette , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Message-ID: <20130513181625.GB14811@sirena.org.uk> References: <1368207091-32538-1-git-send-email-soren.brinkmann@xilinx.com> <1368207091-32538-2-git-send-email-soren.brinkmann@xilinx.com> <20130510212422.GY3200@sirena.org.uk> <7e18bed3-ae6b-4aa0-bf23-b6c61ba8b85b@CO9EHSMHS030.ehs.local> <20130512143344.GC3200@sirena.org.uk> <9e55c552-ce34-4663-9a57-bf2c626d7d58@TX2EHSMHS008.ehs.local> <20130513052135.GD6836@sirena.org.uk> <0bf5a185-86f7-4a93-a90f-42caefb06a1d@TX2EHSMHS009.ehs.local> <519112F9.2010102@gmail.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="Kj7319i9nmIyA2yE" Content-Disposition: inline In-Reply-To: <519112F9.2010102@gmail.com> X-Cookie: Your present plans will be successful. User-Agent: Mutt/1.5.21 (2010-09-15) X-SA-Exim-Connect-IP: 94.247.243.210 X-SA-Exim-Mail-From: broonie@sirena.org.uk Subject: Re: [PATCH RFC] clk: Introduce userspace clock driver X-SA-Exim-Version: 4.2.1 (built Mon, 26 Dec 2011 16:57:07 +0000) X-SA-Exim-Scanned: Yes (on cassiel.sirena.org.uk) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2141 Lines: 50 --Kj7319i9nmIyA2yE Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, May 13, 2013 at 06:21:13PM +0200, Sebastian Hesselbarth wrote: > On 05/13/13 18:09, S=F6ren Brinkmann wrote: > >Well, that driver actually exists. But that just programs a bitstream > >you give it to program. It does not know anything about the design it > >programs and cannot make any kind of decision whether the clocks should > >be userspace controlled or not. > what Mark wants to point out is that you add fabric clocks to the Xilinx > driver instead. This way, you will have user-space controllable clocks > but only if you loaded the xilinx driver first. Yup, that's part of it. Though I have to say that if all we can do is stuff a bitstream in there there is the question about how anything that does require a real driver gets that driver instantiated... --Kj7319i9nmIyA2yE Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (GNU/Linux) iQIcBAEBAgAGBQJRkS3wAAoJELSic+t+oim9N+8P/2AFK93Ocxchexm9E+w+CHZB 2b/lTNZuHcl7Bvo/ScZLociIbdgW7fGRPIHYTCwsORJ5HZy2nFjcvmgNwgvRxhzq Ix12pvJeky6WSc7iG+gqXlCId4P7EurzjiwTnZ/qudB/6BxcxHFUF/I67D/QPG25 8R0ohF19iMv6oNTFJxXrnH2NMIAmFqU4qZ2AliKrzoZkeW6lqfK6xsUkzUTVi+pm uu+ECT5JCh+wJnXe5eZtI6RpRZh8cM7r3gmS1OrLrvCkGZv32ITNa+nXOyrpGJj4 UGt7ckTLc9Arepx9CmKkNVaqpH1mApqo30Rkj52oo5ZAH1H2lvFniO9arwfMAK07 0YUlFRUPrawXPG+48cJR87t/kEXL9xOKXBCdEY0wJpqYVPuLDDHeaAxF0hom/1zP wnixe5Me6W5gsXMjyaC7ZlfuDaIMPiefrSiLDk5aNCeDuhkGbvjZR8d32/MXGimh nLugdVfSImknMGRe+cjzojobNYC2kOwucSweuVP/qsFiJozzhx+h5RVnUfzU+gFv HfZKuNQ60E79VRE7yG17rY9tfKci3ZR6HSMBboUw9Q2XG+PLUBrzkGYpC+Z3yGKl 35AKykK7Jvqsfi/PUI4W5gGbZDbafpfaMzAVvVGogyIaMlvrPAqTMhY6lrwYWeDG B5WhcV1i0O/xnUDRMbjh =j8Sj -----END PGP SIGNATURE----- --Kj7319i9nmIyA2yE-- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/