From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B046CC43141 for ; Fri, 15 Nov 2019 06:07:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8E19020728 for ; Fri, 15 Nov 2019 06:07:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727001AbfKOGHN (ORCPT ); Fri, 15 Nov 2019 01:07:13 -0500 Received: from smtp2207-205.mail.aliyun.com ([121.197.207.205]:49926 "EHLO smtp2207-205.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727208AbfKOGHN (ORCPT ); Fri, 15 Nov 2019 01:07:13 -0500 X-Alimail-AntiSpam: AC=CONTINUE;BC=0.08837032|-1;CH=green;DM=CONTINUE|CONTINUE|true|0.0377916-0.00102263-0.961186;FP=0|0|0|0|0|-1|-1|-1;HT=e02c03301;MF=fuyao@allwinnertech.com;NM=1;PH=DS;RN=4;RT=4;SR=0;TI=SMTPD_---.G-yTRwf_1573798030; Received: from localhost(mailfrom:fuyao@allwinnertech.com fp:SMTPD_---.G-yTRwf_1573798030) by smtp.aliyun-inc.com(10.194.99.21); Fri, 15 Nov 2019 14:07:10 +0800 Date: Fri, 15 Nov 2019 14:06:04 +0800 From: fuyao To: linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org Cc: =?utf-8?B?6bqm6ZSu5qif?= , =?utf-8?B?5p2O6Z2ZcHN3?= Subject: [power supply]:missing definition without config Message-ID: <20191115060604.GE17312@AExdroid03> Mail-Followup-To: linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, =?utf-8?B?6bqm6ZSu5qif?= , =?utf-8?B?5p2O6Z2ZcHN3?= MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Organization: fuyao_love_xxt.Allwinnertech.Technology User-Agent: Mutt/1.12.1 (2019-06-15) Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org linux-pm: hi, walk around the power_supply.h file. call power_supply_get_by_name without the CONFIG_POWER_SUPPLY, cause error. if we should use: #ifdef CONFIG_POWER_SUPPLY extern extern struct power_supply *power_supply_get_by_name(const char *name); #else static inline struct power_supply * power_supply_get_by_name(const char *name) {return NULL;} #endif