From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Ribeiro Subject: Re: [patch 05/14] mfd: PCAP2 driver Date: Sat, 22 Nov 2008 13:54:22 -0200 Message-ID: <1227369262.19591.41.camel@brutus> References: <20081121160403.073751031@dodger.lab.datenfreihafen.org> <20081121160521.016544616@dodger.lab.datenfreihafen.org> <200811212125.49068.david-b@pacbell.net> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Cc: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, David Brownell , spi-devel-general-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org, sameo-RWuK6r/cQWRpLGFMi4vTTA@public.gmane.org, linux-arm-kernel-xIg/pKzrS19vn6HldHNs0ANdhmdF6hFW@public.gmane.org, stefan-OrPQZGeq07wqhVmZOOOmNx2eb7JE58TQ@public.gmane.org To: Eric Miao Return-path: In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: spi-devel-general-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: linux-spi.vger.kernel.org RW0gU8OhYiwgMjAwOC0xMS0yMiDDoHMgMjI6MDEgKzA4MDAsIEVyaWMgTWlhbyBlc2NyZXZldToK PiBPbiBTYXQsIE5vdiAyMiwgMjAwOCBhdCAxOjI1IFBNLCBEYXZpZCBCcm93bmVsbCA8ZGF2aWQt YkBwYWNiZWxsLm5ldD4gd3JvdGU6Cj4gPiBPbiBGcmlkYXkgMjEgTm92ZW1iZXIgMjAwOCwgc3Rl ZmFuQGRhdGVuZnJlaWhhZmVuLm9yZyB3cm90ZToKPiA+PiBTaW5jZSB0aGUgbGFzdCBzdWJtaXNz aW9uIHdlIGFyZSBhbHNvIHVzaW5nIHRoZSBzcGkgc3Vic3lzdGVtIGFuZAo+ID4+IHB4YTJ4eC1z cGkgaW5zdGVhZCBvZiBzc3AuYyBkaXJlY3RseSBhcyBiZWZvcmUuCj4gPgo+ID4gSSB0b29rIGEg cXVpY2sgZ2xhbmNlIGF0IHRoaXMgYW5kIGl0IHNlZW1lZCBsaWtlIGl0IHNob3VsZCBiZQo+ID4g YWJsZSB0byBidWlsZCB3aXRob3V0IGRlcGVuZGluZyBvbiBQWEEgLi4uIHNob3VsZCBjZXJ0YWlu bHkKPiA+IG5vdCBpbmNsdWRlIDxtYWNoL3NzcC5oPiBvciA8bWFjaC9yZWdzLXNzcC5oPiwgYW5k IGl0IGRvZXNuJ3QKPiA+IGxvb2sgbGlrZSBpdCBuZWVkcyBQWEEtc3BlY2lmaWMgc3R1ZmYgbGlr ZSA8bWFjaC9tZnAtcHhhMjd4Lmg+Cj4gPiBlaXRoZXIuCj4gPgo+ID4gSXQncyBhbHNvIHdvcnRo IHJlbW92aW5nIHRoZSByZXZlcnNlIGRlcGVuZGVuY2llcyAoInNlbGVjdCBYIikKPiA+IGZyb20g S2NvbmZpZzsgdGhleSBkb24ndCB3b3JrIHZlcnkgd2VsbCBmb3IgdGhlIHRoaW5ncyB3aGljaAo+ ID4gdGhvc2UgZGVwZW5kZW5jaWVzIHJlbHkgb24uCj4gPgo+IEknbSB3b25kZXJpbmcgaWYgaXQg Y2FsbCBmYWxsIGludG8gdGhlIHJlZ3VsYXRvciBmcmFtZXdvcmssIGFsb25nIHdpdGgKPiBhIGh3 bW9uIGRyaXZlciB3aXRoIGl0cyBhdHRyaWJ1dGVzIGJlaW5nIGV4cG9ydGVkIGJ5IHN5c2ZzLgoK VGhlIEFEQyBpcyBhbHNvIHVzZWQgYnkgdGhlIHRvdWNoc2NyZWVuIGRyaXZlciwgYW5kIGxhdGVy IHdpbGwgYmUgdXNlZApmb3IgYWNjZXNzb3J5IGRldGVjdGlvbiAodXNiIG90ZywgY2hhcmdlciwg RU1VIChhdWRpbyBhbmQgdWFydCBvbiB1c2IKcG9ydCkpLgoKQ3VycmVudGx5IHRoZSBvbmx5IHVz ZXIgZm9yIHRoZSB2b2x0YWdlIHJlZ3VsYXRvcnMgaXMgdGhlIE1NQywgaSBwbGFuIHRvCnVzZSB0 aGUgcmVndWxhdG9yIHN1YnN5c3RlbSB3aGVuIG1vcmUgdXNlcnMgYXJpc2UuCgotLSAKRGFuaWVs IFJpYmVpcm8KCgotLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tClRoaXMgU0YuTmV0IGVtYWlsIGlzIHNwb25zb3Jl ZCBieSB0aGUgTW9ibGluIFlvdXIgTW92ZSBEZXZlbG9wZXIncyBjaGFsbGVuZ2UKQnVpbGQgdGhl IGNvb2xlc3QgTGludXggYmFzZWQgYXBwbGljYXRpb25zIHdpdGggTW9ibGluIFNESyAmIHdpbiBn cmVhdCBwcml6ZXMKR3JhbmQgcHJpemUgaXMgYSB0cmlwIGZvciB0d28gdG8gYW4gT3BlbiBTb3Vy Y2UgZXZlbnQgYW55d2hlcmUgaW4gdGhlIHdvcmxkCmh0dHA6Ly9tb2JsaW4tY29udGVzdC5vcmcv cmVkaXJlY3QucGhwP2Jhbm5lcl9pZD0xMDAmdXJsPS8KX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX18Kc3BpLWRldmVsLWdlbmVyYWwgbWFpbGluZyBsaXN0CnNw aS1kZXZlbC1nZW5lcmFsQGxpc3RzLnNvdXJjZWZvcmdlLm5ldApodHRwczovL2xpc3RzLnNvdXJj ZWZvcmdlLm5ldC9saXN0cy9saXN0aW5mby9zcGktZGV2ZWwtZ2VuZXJhbAo= From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758613AbYKVPyo (ORCPT ); Sat, 22 Nov 2008 10:54:44 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758463AbYKVPyd (ORCPT ); Sat, 22 Nov 2008 10:54:33 -0500 Received: from mail-qy0-f11.google.com ([209.85.221.11]:45992 "EHLO mail-qy0-f11.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758461AbYKVPyc (ORCPT ); Sat, 22 Nov 2008 10:54:32 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=subject:from:to:cc:in-reply-to:references:content-type:date :message-id:mime-version:x-mailer:content-transfer-encoding; b=gYmF8GSSlOXTg9MgfuOjOz0M60GiCTdDofEjPR81id9EYs69PHCmsJ7ck4XhuDIbVr HCWKAC6sq5yE1LY+tKBZKvpH6PIdPaIK2njjeL7MkzWPzBSO2KzjV91vfbclk6paE/Yg XiPG2eOb37zpyNlcMRzQDBnMRztBFGSm0Wie0= Subject: Re: [spi-devel-general] [patch 05/14] mfd: PCAP2 driver From: Daniel Ribeiro To: Eric Miao Cc: David Brownell , spi-devel-general@lists.sourceforge.net, stefan@datenfreihafen.org, sameo@openedhand.com, linux-arm-kernel@lists.arm.linux.org.uk, linux-kernel@vger.kernel.org In-Reply-To: References: <20081121160403.073751031@dodger.lab.datenfreihafen.org> <20081121160521.016544616@dodger.lab.datenfreihafen.org> <200811212125.49068.david-b@pacbell.net> Content-Type: text/plain; charset=UTF-8 Date: Sat, 22 Nov 2008 13:54:22 -0200 Message-Id: <1227369262.19591.41.camel@brutus> Mime-Version: 1.0 X-Mailer: Evolution 2.22.3.1 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Em Sáb, 2008-11-22 às 22:01 +0800, Eric Miao escreveu: > On Sat, Nov 22, 2008 at 1:25 PM, David Brownell wrote: > > On Friday 21 November 2008, stefan@datenfreihafen.org wrote: > >> Since the last submission we are also using the spi subsystem and > >> pxa2xx-spi instead of ssp.c directly as before. > > > > I took a quick glance at this and it seemed like it should be > > able to build without depending on PXA ... should certainly > > not include or , and it doesn't > > look like it needs PXA-specific stuff like > > either. > > > > It's also worth removing the reverse dependencies ("select X") > > from Kconfig; they don't work very well for the things which > > those dependencies rely on. > > > I'm wondering if it call fall into the regulator framework, along with > a hwmon driver with its attributes being exported by sysfs. The ADC is also used by the touchscreen driver, and later will be used for accessory detection (usb otg, charger, EMU (audio and uart on usb port)). Currently the only user for the voltage regulators is the MMC, i plan to use the regulator subsystem when more users arise. -- Daniel Ribeiro