Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752116AbaJKJCJ (ORCPT ); Sat, 11 Oct 2014 05:02:09 -0400 Received: from szxga03-in.huawei.com ([119.145.14.66]:55972 "EHLO szxga03-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751816AbaJKJCH (ORCPT ); Sat, 11 Oct 2014 05:02:07 -0400 Message-ID: <5438F1F6.4080300@huawei.com> Date: Sat, 11 Oct 2014 17:01:42 +0800 From: He YunLei User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:17.0) Gecko/20130509 Thunderbird/17.0.6 MIME-Version: 1.0 To: Tony Lindgren CC: , , , , , Subject: Re: [RFC PATCH] pinctrl: pinctrl-single.c: init pinctrl single at arch_initcall time References: <542934F4.10303@huawei.com> <20140929175427.GE3122@atomide.com> <54349671.6090008@huawei.com> <20141008181027.GE10014@atomide.com> In-Reply-To: <20141008181027.GE10014@atomide.com> Content-Type: text/plain; charset="ISO-8859-1"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [10.111.64.99] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A020206.5438F204.014E,ss=1,re=0.000,recu=0.000,reip=0.000,cl=1,cld=1,fgs=0, ip=0.0.0.0, so=2013-05-26 15:14:31, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: b78146289ba7e1a2ed73895f0da382f1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2014/10/9 2:10, Tony Lindgren wrote: > * He YunLei [141007 18:43]: >> >> Thanks for your review and I am really appreciated it, but in our arm >> platform, we haven't custom initcall levels for other drivers. Although >> deferred probe helps other drivers to register well, we are also confused >> for the issues of lots of pin request errors debug output while booting the >> kernel. Besides, if the number is bigger than the limited number, whether >> deferred probe can solve this problem. > > OK. Care to provide some examples where this happens on your > platform? > > Note that we already have pinctrl very early in drivers/Makefile. > What are the early users for pinctrl-single in your setup? > > Regards, > > Tony > > . > In our platform we use subsys_initcall in I2C, and fs_initcall in PMIC, Both of them are early than pinctrl-single. Although they register well with the aid of deferred probe, it's really confused us that pins request deferred. Why can't we setup pinctrl-single earlier to reduce these messages. Regards YunLei -- 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/