Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755745Ab3HLLcp (ORCPT ); Mon, 12 Aug 2013 07:32:45 -0400 Received: from cassiel.sirena.org.uk ([80.68.93.111]:54121 "EHLO cassiel.sirena.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754278Ab3HLLcj (ORCPT ); Mon, 12 Aug 2013 07:32:39 -0400 Date: Mon, 12 Aug 2013 12:32:26 +0100 From: Mark Brown To: Mark Rutland Cc: Olof Johansson , Alan Stern , "rob.herring@calxeda.com" , Pawel Moll , Stephen Warren , Ian Campbell , Felipe Balbi , Greg Kroah-Hartman , "grant.likely@linaro.org" , "devicetree@kernel.org" , "linux-usb@vger.kernel.org" , "linux-kernel@vger.kernel.org" Message-ID: <20130812113226.GV6427@sirena.org.uk> References: <20130811190826.GH6427@sirena.org.uk> <20130812095136.GJ6427@sirena.org.uk> <20130812110714.GA6616@e106331-lin.cambridge.arm.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="x8Ec79u/ZTqSPCUg" Content-Disposition: inline In-Reply-To: <20130812110714.GA6616@e106331-lin.cambridge.arm.com> X-Cookie: Many pages make a thick book. User-Agent: Mutt/1.5.21 (2010-09-15) X-SA-Exim-Connect-IP: 94.175.92.69 X-SA-Exim-Mail-From: broonie@sirena.org.uk Subject: Re: Non-enumerable devices on USB and other enumerable buses 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: 1792 Lines: 44 --x8Ec79u/ZTqSPCUg Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Mon, Aug 12, 2013 at 12:07:14PM +0100, Mark Rutland wrote: > As I understand it, the wifi chip on the Snow Chromebook has a similar > issue -- it hangs off of a probeable SDIO bus, but needs a regulator > poked for it to turn on and become probeable (see > exynos_wifi_bt_set_power in [1]). Yes, that's another example - this stuff is really common in practical systems, especially the power control for radios since that's how rfkill tends to end up being implemented. --x8Ec79u/ZTqSPCUg Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.20 (GNU/Linux) iQIcBAEBAgAGBQJSCMfHAAoJELSic+t+oim9tz0P/2byd0ZIAm14u74I0rn4dKa0 MfFGaSRNxl70i5G3VZ7PhOkzEvOYRF+PkrxRoIgdINBmaWmkO3n2h1jxaLiEmFQr BytjPOpgNUfvVTo3AWvmznn9AobWWiTGAH3b86mGO4gFe/NifuifmqIEhC+uBHNu OKhpM17a/NvSkhNV5qaO2pZMEDvEqz+OS8PX/QqdFvuceYmGvJeVtU/m7PEeuDm4 ebgiq0p73ayOvSV0sNwrz9A2KCCeTQz85JrBuFBHnwHaUFdAK00oybtlBIwHTb+S viu1jaKOFPotATFY+BPpc9EN4p+wGoBHTiBPUy/4m6/BaAQgJkYqN2KWaj0PNK9v a0nJ8wxyTJEvCgO1OOjV8RdPnh2Vh9RXpMq8EjtRbmGpNMOulVdAr3hyTCA6aOE1 Hpzlo9PTXwdH/h4ZKG7EWg8uiG2QTSxFjcOGnuXYG8BBH0zaQ4aOKQTx++VUj1B1 GzevNjZShd0gVuE8d/qK82G59s0nPgj/M01GrqHmTY0/A87baQh0QR5L/5bq4K0O 8sUc+BTTyMB829w+w9PcA41MavH/BHR9Rz7jgbgPLBNxGHpUWVAm1TRGM8S9Z4N9 AKDpgdLlTwbOcd/M2EVneAgq18W55k2fBty91ZRH1xzu9trwhSec30bnPDtpws3L ruumBV8KlL1K4JlJUx9R =SobK -----END PGP SIGNATURE----- --x8Ec79u/ZTqSPCUg-- -- 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/