From patchwork Mon Mar 15 13:52:12 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 401514 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=-19.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, 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 C6AB4C468C6 for ; Mon, 15 Mar 2021 13:59:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A214A64F31 for ; Mon, 15 Mar 2021 13:59:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232543AbhCON7B (ORCPT ); Mon, 15 Mar 2021 09:59:01 -0400 Received: from mail.kernel.org ([198.145.29.99]:37670 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232248AbhCON6P (ORCPT ); Mon, 15 Mar 2021 09:58:15 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 0A4E064F00; Mon, 15 Mar 2021 13:58:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1615816695; bh=Ov6u9T/JWMCotOW2MjbG0C0kwpWxaSG1R7viYH1j3pE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ucoxnC04E/KyfWSAiR+SKer5TKBuxjrFj6p2IfcUTd7FGX20ZSpriVSCXFIq27q2/ n5MTCCoGiCkr0/mt3njTkGiCR7uVrpG6jtnCxIc4tHCJOXgsXtInEkESimVD8rbmOn 4L3bekWHuErPE6S5JQt+bwG4H4dj2XECV+720rSE= From: gregkh@linuxfoundation.org To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Paul Cercueil , "David S. Miller" Subject: [PATCH 5.11 069/306] net: davicom: Fix regulator not turned off on driver removal Date: Mon, 15 Mar 2021 14:52:12 +0100 Message-Id: <20210315135509.980665286@linuxfoundation.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210315135507.611436477@linuxfoundation.org> References: <20210315135507.611436477@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Greg Kroah-Hartman From: Paul Cercueil commit cf9e60aa69ae6c40d3e3e4c94dd6c8de31674e9b upstream. We must disable the regulator that was enabled in the probe function. Fixes: 7994fe55a4a2 ("dm9000: Add regulator and reset support to dm9000") Signed-off-by: Paul Cercueil Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- drivers/net/ethernet/davicom/dm9000.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) --- a/drivers/net/ethernet/davicom/dm9000.c +++ b/drivers/net/ethernet/davicom/dm9000.c @@ -133,6 +133,8 @@ struct board_info { u32 wake_state; int ip_summed; + + struct regulator *power_supply; }; /* debug code */ @@ -1481,6 +1483,8 @@ dm9000_probe(struct platform_device *pde db->dev = &pdev->dev; db->ndev = ndev; + if (!IS_ERR(power)) + db->power_supply = power; spin_lock_init(&db->lock); mutex_init(&db->addr_lock); @@ -1766,10 +1770,13 @@ static int dm9000_drv_remove(struct platform_device *pdev) { struct net_device *ndev = platform_get_drvdata(pdev); + struct board_info *dm = to_dm9000_board(ndev); unregister_netdev(ndev); - dm9000_release_board(pdev, netdev_priv(ndev)); + dm9000_release_board(pdev, dm); free_netdev(ndev); /* free device structure */ + if (dm->power_supply) + regulator_disable(dm->power_supply); dev_dbg(&pdev->dev, "released and freed device\n"); return 0;