From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from nf-out-0910.google.com ([64.233.182.186]:6477 "EHLO nf-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751281AbYI1JYM (ORCPT ); Sun, 28 Sep 2008 05:24:12 -0400 Received: by nf-out-0910.google.com with SMTP id d3so527343nfc.21 for ; Sun, 28 Sep 2008 02:24:10 -0700 (PDT) To: Gertjan van Wingerde Subject: Re: [PATCH -mm] rt2x00: fix Kconfig dependencies Date: Sun, 28 Sep 2008 11:24:07 +0200 Cc: Randy Dunlap , Larry Finger , linux-wireless@vger.kernel.org, rt2400-devel@lists.sourceforge.net, linville@tuxdriver.com, akpm References: <48D82A43.7040604@oracle.com> <200809240045.28976.IvDoorn@gmail.com> <48DF4863.9070806@kpnplanet.nl> In-Reply-To: <48DF4863.9070806@kpnplanet.nl> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-15" Message-Id: <200809281124.07434.IvDoorn@gmail.com> (sfid-20080928_112417_831437_C41B875A) From: Ivo van Doorn Sender: linux-wireless-owner@vger.kernel.org List-ID: On Sunday 28 September 2008, Gertjan van Wingerde wrote: > Ivo, > > Ivo van Doorn wrote: > >> Ivo, please explain what rt2x00 module(s) you want to be built. In > >> English > >> if possible, not in Kconfig language... > >> > > > > There are 3 kind of rt2x00 modules: > > rt2x00lib > > rt2x00pci/usb > > rt2x00 driver (rt2400pci, rt2500pci, rt61pci, rt2500usb, rt73usb) > > > > When the user selects any of the rt2x00 drivers, the rt2x00pci/usb and rt2x00lib > > are selected. For rt2x00lib there are some additional configuration options like > > RT2X00_LIB_RFKILL and RT2X00_LIB_LEDS which will build into rt2x00lib. > > > > This means that when rt2400pci is selected as module, rt2x00pci and rt2x00lib > > must be built as modules as well and when rt2400pci is selected as buildin > > rt2x00pci and rt2x00lib must be buildin as well. > > > > But with the optional rt2x00lib configuration options the breakage you reported > > is possible. So we either need: > > 1) Force rt2x00lib / driver to be compiled as module when RFKILL/LEDS were > > compiled as module > > 2) Disable config option when invalid config combination is found > > > > Personally I would favor 1), because 2) could lead to confusion to users > > who think they selected everything they needed to enable support for it in > > rt2x00. > > > > Find attached a patch that implements option 2, along with adding a > warning to the user when rfkill support in rt2x00 is disabled due to the > invalid config combination. I've looked at implementing option 1, but > couldn't find a way to do it without disabling the entire rt2x00 module > when rfkill wasn't available. > > I guess we can live with this option for now, until we have figured out > how to do option 1. Sounds good, but please change RT2X00 in RT2X00_LIB default y if (RT2X00=y && RFKILL=y) || (RT2X00=m && RFKILL!=n) Could you also do a similar thing for the LED handling? That way we can fix the entire thing with a single patch. :) Thanks, Ivo