From patchwork Sun Nov 11 20:23:55 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Wahren X-Patchwork-Id: 10677839 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 6EB2014BD for ; Sun, 11 Nov 2018 20:24:59 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 610DD2969C for ; Sun, 11 Nov 2018 20:24:59 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 55257299D3; Sun, 11 Nov 2018 20:24:59 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id AF916296F9 for ; Sun, 11 Nov 2018 20:24:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730742AbeKLGOZ (ORCPT ); Mon, 12 Nov 2018 01:14:25 -0500 Received: from mout.kundenserver.de ([212.227.126.130]:55357 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731110AbeKLGOZ (ORCPT ); Mon, 12 Nov 2018 01:14:25 -0500 Received: from localhost.localdomain ([37.4.249.153]) by mrelayeu.kundenserver.de (mreue012 [212.227.15.167]) with ESMTPSA (Nemesis) id 1Mw9oq-1fWAVX1zBk-00s3Fm; Sun, 11 Nov 2018 21:24:31 +0100 From: Stefan Wahren To: Eric Anholt , Florian Fainelli , Ulf Hansson Cc: Phil Elwell , Michal Suchanek , linux-rpi-kernel@lists.infradead.org, linux-mmc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Stefan Wahren Subject: [PATCH V2 3/7] mmc: bcm2835: Release DMA channel on driver unload Date: Sun, 11 Nov 2018 21:23:55 +0100 Message-Id: <1541967839-2847-4-git-send-email-stefan.wahren@i2se.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1541967839-2847-1-git-send-email-stefan.wahren@i2se.com> References: <1541967839-2847-1-git-send-email-stefan.wahren@i2se.com> X-Provags-ID: V03:K1:vlovEOP4OCkjuj6JaOkYwfmgG3Bal1ftfBxnk4DH9YyAICNcm4/ BpDpxF7lig5Fm91zl9duBF8Z2zsadWWX/cwUNHvjuCQzK6hM1miYmPrje9c2so98xLmVH42 HbkSAtFcHSGlfkxFrEQpCHQq6PbLfHsRrCjnzfeVe04uliFFd5uM+615obhLT+kxiXePpJc itTAXDImHIb6ZbKx/ZkrA== X-UI-Out-Filterresults: notjunk:1;V01:K0:SzTlMsQfrIw=:CfsWr+obS+SWBvm2OG7mgE HaKV29VvbZWHeGysa26FcFnpU/aMj/f1Gy1jD4K8dNbWm7JFhBgARL7w82/dLGaTZym+NfdIf JejZEUwNxdLoJ2pl9V/bfXHUF+NpmE29dvPnKgjRwO9sNfSPkcGWIwbAQm/ZpwBet+X3duzf4 3adSNuB6XHBEOognFdCt37nQs+pw397+jTcb4ATjYcbgok5ftyg9PBBRivJdBXxY3nZeZagWL CQgDJv3jE8CEh1BPz/+UOxgAiV4Qmm6pirXi4NJ75cuHyWmhJBlWTNLxv2ocWyMD5c/korqqf D61K0VeaRoL1EfiZ2pzJ9T/Do4lOYybMUWDQmeEMVN8pS9hv14rn98GqoOKydOW3jpPa7pZeu 5sc8I2WO6wSk/VOaNclHgKHyeS+zmGMMRMweDF1bkrMKIh+rdxd+zGN54JEEI+/AWWJ5p4nNw 0ob2FknCr0jsNWv7JUc3tQkjTxSnXD0gG/bdvnl9BQUPGwz683hyzdM6Gk31NuSk7JU/NOnzr M3s6ysweEdzDS+wPOU9UBk5GcSxcGdlqvBN600TVgpUtaC9dwjVMk3qEot2fSp17KAUsrUaGz YZz7fpiyWVZzj7dgOGvQ+SgjTs/8s4rj++ONlTl2OUtmp9eDw+/bsmML5z4nvQ0oLxKIDKRML RMzjm6bjLc9KE6PagbagQbLHzPLziYIEkpEZmThm3Mm5oyTsh0l+ZD2hVE5yDtWVcz4wnNwbV J1DxWtcAdy8X6WtYT27Eh7LxL2C8YyVtMRL3whClSs0RyGv3s3oe+qwqKa0rjtQDSAjosT651 gj54/sr39E84c9qNWL2IQmKZJs8rw== Sender: linux-mmc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP We need to release the slave DMA channel during driver unload. Signed-off-by: Stefan Wahren --- drivers/mmc/host/bcm2835.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/mmc/host/bcm2835.c b/drivers/mmc/host/bcm2835.c index a251be2..45724ef 100644 --- a/drivers/mmc/host/bcm2835.c +++ b/drivers/mmc/host/bcm2835.c @@ -1457,6 +1457,9 @@ static int bcm2835_remove(struct platform_device *pdev) cancel_work_sync(&host->dma_work); cancel_delayed_work_sync(&host->timeout_work); + if (host->dma_chan_rxtx) + dma_release_channel(host->dma_chan_rxtx); + mmc_free_host(host->mmc); platform_set_drvdata(pdev, NULL);