From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752262AbbJ0CZ0 (ORCPT ); Mon, 26 Oct 2015 22:25:26 -0400 Received: from mga02.intel.com ([134.134.136.20]:57497 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753000AbbJ0CZZ (ORCPT ); Mon, 26 Oct 2015 22:25:25 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.20,202,1444719600"; d="scan'208";a="672365033" Date: Tue, 27 Oct 2015 11:25:10 +0900 From: Vinod Koul To: Han Xu Cc: shijie.huang@arm.com, dwmw2@infradead.org, computersforpeace@gmail.com, boris.brezillon@free-electrons.com, fabio.estevam@freescale.com, hofrat@osadl.org, linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org, dan.j.williams@intel.com, dmaengine@vger.kernel.org Subject: Re: [PATCH v6 2/7] dmaengine: mxs: APBH DMA supports deep sleep mode Message-ID: <20151027022508.GG11691@vkoul-mobl.iind.intel.com> References: <1445543676-19876-1-git-send-email-b45815@freescale.com> <1445543676-19876-3-git-send-email-b45815@freescale.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1445543676-19876-3-git-send-email-b45815@freescale.com> User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Oct 22, 2015 at 02:54:31PM -0500, Han Xu wrote: > +static int mxs_dma_pm_resume(struct device *dev) > +{ > + struct mxs_dma_engine *mxs_dma = dev_get_drvdata(dev); > + int ret; > + > + ret = mxs_dma_init(mxs_dma); > + if (ret) > + return ret; > + return 0; > +} Did you compile this without runtime PM defined, it will give out a warning of unused symbol which cna be fixed by definig thru under runtime pm config -- ~Vinod