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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham 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 694C6C33CB6 for ; Tue, 14 Jan 2020 21:48:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3E4BC2187F for ; Tue, 14 Jan 2020 21:48:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728896AbgANVs1 (ORCPT ); Tue, 14 Jan 2020 16:48:27 -0500 Received: from inva021.nxp.com ([92.121.34.21]:54864 "EHLO inva021.nxp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726491AbgANVsY (ORCPT ); Tue, 14 Jan 2020 16:48:24 -0500 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 6EF77201224; Tue, 14 Jan 2020 22:48:22 +0100 (CET) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 6F4B02004FB; Tue, 14 Jan 2020 22:48:16 +0100 (CET) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id E635D402AE; Wed, 15 Jan 2020 05:48:08 +0800 (SGT) From: Han Xu To: vkoul@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, miquel.raynal@bootlin.com, richard@nod.at, vigneshr@ti.com, esben@geanix.com, boris.brezillon@collabora.com Cc: festevam@gmail.com, linux-imx@nxp.com, dmaengine@vger.kernel.org, linux-arm-kernel@lists.infradead.org, han.xu@nxp.com, linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/6] dmaengine: mxs: add the remove function Date: Wed, 15 Jan 2020 05:43:59 +0800 Message-Id: <1579038243-28550-3-git-send-email-han.xu@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1579038243-28550-1-git-send-email-han.xu@nxp.com> References: <1579038243-28550-1-git-send-email-han.xu@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org add the remove function for mxs-dma Signed-off-by: Han Xu --- drivers/dma/mxs-dma.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/drivers/dma/mxs-dma.c b/drivers/dma/mxs-dma.c index 9deaaf4fc58f..b458f06f9067 100644 --- a/drivers/dma/mxs-dma.c +++ b/drivers/dma/mxs-dma.c @@ -863,6 +863,22 @@ static int mxs_dma_probe(struct platform_device *pdev) return 0; } +static int mxs_dma_remove(struct platform_device *pdev) +{ + struct mxs_dma_engine *mxs_dma = platform_get_drvdata(pdev); + int i; + + dma_async_device_unregister(&mxs_dma->dma_device); + + for (i = 0; i < MXS_DMA_CHANNELS; i++) { + struct mxs_dma_chan *mxs_chan = &mxs_dma->mxs_chans[i]; + + tasklet_kill(&mxs_chan->tasklet); + } + + return 0; +} + static struct platform_driver mxs_dma_driver = { .driver = { .name = "mxs-dma", @@ -870,6 +886,7 @@ static struct platform_driver mxs_dma_driver = { }, .id_table = mxs_dma_ids, .probe = mxs_dma_probe, + .remove = mxs_dma_remove, }; module_platform_driver(mxs_dma_driver); -- 2.17.1