From patchwork Tue Sep 16 11:17:45 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pramod Gurav X-Patchwork-Id: 4916591 Return-Path: X-Original-To: patchwork-linux-arm-msm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 69D45BEEA5 for ; Tue, 16 Sep 2014 11:15:37 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id AD57020253 for ; Tue, 16 Sep 2014 11:15:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6ECFD20120 for ; Tue, 16 Sep 2014 11:15:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753696AbaIPLOX (ORCPT ); Tue, 16 Sep 2014 07:14:23 -0400 Received: from smtp78.ord1c.emailsrvr.com ([108.166.43.78]:43029 "EHLO smtp78.ord1c.emailsrvr.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753651AbaIPLOW (ORCPT ); Tue, 16 Sep 2014 07:14:22 -0400 Received: from localhost (localhost.localdomain [127.0.0.1]) by smtp2.relay.ord1c.emailsrvr.com (SMTP Server) with ESMTP id A23C818059D; Tue, 16 Sep 2014 07:14:21 -0400 (EDT) X-Virus-Scanned: OK Received: by smtp2.relay.ord1c.emailsrvr.com (Authenticated sender: pramod.gurav-AT-smartplayin.com) with ESMTPSA id 0954D180135; Tue, 16 Sep 2014 07:14:18 -0400 (EDT) X-Sender-Id: pramod.gurav@smartplayin.com Received: from SPINITLTDL00278.smartplayin.local ([UNAVAILABLE]. [220.227.185.53]) (using TLSv1.1 with cipher DHE-RSA-AES256-SHA) by 0.0.0.0:465 (trex/5.2.10); Tue, 16 Sep 2014 11:14:21 GMT From: Pramod Gurav To: linux-kernel@vger.kernel.org Cc: David Brown , Daniel Walker , Bryan Huntsman , Ulf Hansson , linux-mmc@vger.kernel.org, linux-arm-msm@vger.kernel.org Subject: [PATCH 2/5] mmc: msm_sdcc: Add support for platform_driver remove function Date: Tue, 16 Sep 2014 16:47:45 +0530 Message-Id: <1410866268-15185-3-git-send-email-pramod.gurav@smartplayin.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1410866268-15185-1-git-send-email-pramod.gurav@smartplayin.com> References: <1410866268-15185-1-git-send-email-pramod.gurav@smartplayin.com> Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org X-Spam-Status: No, score=-7.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This change adds remove function in platform_driver to clean unloading Cc: David Brown Cc: Daniel Walker Cc: Bryan Huntsman CC: Ulf Hansson CC: linux-mmc@vger.kernel.org CC: linux-arm-msm@vger.kernel.org Signed-off-by: Pramod Gurav --- drivers/mmc/host/msm_sdcc.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/drivers/mmc/host/msm_sdcc.c b/drivers/mmc/host/msm_sdcc.c index 2b8ac9c..3e0536d 100644 --- a/drivers/mmc/host/msm_sdcc.c +++ b/drivers/mmc/host/msm_sdcc.c @@ -1360,6 +1360,7 @@ msmsdcc_probe(struct platform_device *pdev) if (ret) goto clk_disable; + platform_set_drvdata(pdev, host); mmc_set_drvdata(pdev, mmc); mmc_add_host(mmc); @@ -1406,6 +1407,22 @@ msmsdcc_probe(struct platform_device *pdev) return ret; } +static int msmsdcc_remove(struct platform_device *pdev) +{ + struct msmsdcc_host *host = platform_get_drvdata(pdev); + + msmsdcc_disable_clocks(host, 0); + clk_unprepare(host->clk); + clk_unprepare(host->pclk); + if (host->dmares) + dma_free_coherent(NULL, sizeof(struct msmsdcc_nc_dmadata), + host->dma.nc, host->dma.nc_busaddr); + tasklet_kill(&host->dma_tlet); + mmc_free_host(host->mmc); + + return 0; +} + #ifdef CONFIG_PM static int msmsdcc_suspend(struct platform_device *dev, pm_message_t state) @@ -1452,6 +1469,7 @@ msmsdcc_resume(struct platform_device *dev) static struct platform_driver msmsdcc_driver = { .probe = msmsdcc_probe, + .remove = msmsdcc_remove, .suspend = msmsdcc_suspend, .resume = msmsdcc_resume, .driver = {