Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752802AbbHaHuU (ORCPT ); Mon, 31 Aug 2015 03:50:20 -0400 Received: from mx07-00178001.pphosted.com ([62.209.51.94]:47579 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751862AbbHaHuT (ORCPT ); Mon, 31 Aug 2015 03:50:19 -0400 Subject: Re: [PATCH 3/7] dmaengine: st_fdma: Add STMicroelectronics FDMA engine driver support To: Paul Bolle , Peter Griffin References: <1436371888-27863-1-git-send-email-peter.griffin@linaro.org> <1436371888-27863-4-git-send-email-peter.griffin@linaro.org> <1436429872.20619.77.camel@tiscali.nl> CC: , , , , , , , , , From: Maxime Coquelin Message-ID: <55E40715.1040204@st.com> Date: Mon, 31 Aug 2015 09:49:41 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.2.0 MIME-Version: 1.0 In-Reply-To: <1436429872.20619.77.camel@tiscali.nl> Content-Type: text/plain; charset="utf-8"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [10.201.21.241] X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:5.14.151,1.0.33,0.0.0000 definitions=2015-08-31_02:2015-08-27,2015-08-31,1970-01-01 signatures=0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 860 Lines: 30 Hi Paul, On 07/09/2015 10:17 AM, Paul Bolle wrote: >> >+static int __exit st_fdma_remove(struct platform_device *pdev) >> >+{ >> >+ struct st_fdma_dev *fdev = platform_get_drvdata(pdev); >> >+ >> >+ wait_for_completion(&fdev->fw_ack); >> >+ >> >+ st_fdma_clk_disable(fdev); >> >+ >> >+ return 0; >> >+} > Since this driver is built-in only this means st_fdma_remove() can never > be used, right? > It's not because a driver is built-in only that it does not need a remove callback. An instance can be probed/removed any time via driver's bind/unbind SysFS entries. Am I missing something? Kind regards, Maxime -- 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/