From patchwork Thu Dec 7 14:04:53 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tobias Jordan X-Patchwork-Id: 10099217 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 998BD60360 for ; Thu, 7 Dec 2017 14:05:12 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8A5DD29D8E for ; Thu, 7 Dec 2017 14:05:12 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7C50F29EBD; Thu, 7 Dec 2017 14:05:12 +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=-6.9 required=2.0 tests=BAYES_00,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 2B02829D8E for ; Thu, 7 Dec 2017 14:05:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754403AbdLGOE6 (ORCPT ); Thu, 7 Dec 2017 09:04:58 -0500 Received: from agrajag.zerfleddert.de ([88.198.237.222]:50310 "EHLO agrajag.zerfleddert.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754259AbdLGOEy (ORCPT ); Thu, 7 Dec 2017 09:04:54 -0500 Received: by agrajag.zerfleddert.de (Postfix, from userid 1000) id 3F3A25B20332; Thu, 7 Dec 2017 15:04:53 +0100 (CET) Date: Thu, 7 Dec 2017 15:04:53 +0100 From: Tobias Jordan To: Mark Brown , Maxime Ripard , Chen-Yu Tsai , linux-spi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: ldv-project@linuxtesting.org Subject: [PATCH] spi: sun6i: disable/unprepare clocks on remove Message-ID: <20171207140453.55krsazvnfqr7ooe@agrajag.zerfleddert.de> MIME-Version: 1.0 Content-Disposition: inline User-Agent: NeoMutt/20170113 (1.7.2) Sender: linux-spi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP sun6i_spi_probe() uses sun6i_spi_runtime_resume() to prepare/enable clocks, so sun6i_spi_remove() should use sun6i_spi_runtime_suspend() to disable/unprepare them if we're not suspended. Replacing pm_runtime_disable() by pm_runtime_force_suspend() will ensure that sun6i_spi_runtime_suspend() is called if needed. Found by Linux Driver Verification project (linuxtesting.org). Fixes: 3558fe900e8af spi: sunxi: Add Allwinner A31 SPI controller driver Signed-off-by: Tobias Jordan Acked-by: Maxime Ripard --- Found by LDV and discussed as RFC before; compile-tested. drivers/spi/spi-sun6i.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/spi/spi-sun6i.c b/drivers/spi/spi-sun6i.c index fb38234249a8..8533f4edd00a 100644 --- a/drivers/spi/spi-sun6i.c +++ b/drivers/spi/spi-sun6i.c @@ -541,7 +541,7 @@ static int sun6i_spi_probe(struct platform_device *pdev) static int sun6i_spi_remove(struct platform_device *pdev) { - pm_runtime_disable(&pdev->dev); + pm_runtime_force_suspend(&pdev->dev); return 0; }