From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:48730 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751220AbdLUIk3 (ORCPT ); Thu, 21 Dec 2017 03:40:29 -0500 Subject: Patch "ASoC: img-parallel-out: Add pm_runtime_get/put to set_fmt callback" has been added to the 4.9-stable tree To: ed.blake@sondrel.com, alexander.levin@verizon.com, broonie@kernel.org, gregkh@linuxfoundation.org Cc: , From: Date: Thu, 21 Dec 2017 09:40:13 +0100 Message-ID: <151384561319298@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled ASoC: img-parallel-out: Add pm_runtime_get/put to set_fmt callback to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: asoc-img-parallel-out-add-pm_runtime_get-put-to-set_fmt-callback.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From foo@baz Thu Dec 21 09:02:40 CET 2017 From: Ed Blake Date: Mon, 2 Oct 2017 11:00:33 +0100 Subject: ASoC: img-parallel-out: Add pm_runtime_get/put to set_fmt callback From: Ed Blake [ Upstream commit c70458890ff15d858bd347fa9f563818bcd6e457 ] Add pm_runtime_get_sync and pm_runtime_put calls to set_fmt callback function. This fixes a bus error during boot when CONFIG_SUSPEND is defined when this function gets called while the device is runtime disabled and device registers are accessed while the clock is disabled. Signed-off-by: Ed Blake Signed-off-by: Mark Brown Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- sound/soc/img/img-parallel-out.c | 2 ++ 1 file changed, 2 insertions(+) --- a/sound/soc/img/img-parallel-out.c +++ b/sound/soc/img/img-parallel-out.c @@ -166,9 +166,11 @@ static int img_prl_out_set_fmt(struct sn return -EINVAL; } + pm_runtime_get_sync(prl->dev); reg = img_prl_out_readl(prl, IMG_PRL_OUT_CTL); reg = (reg & ~IMG_PRL_OUT_CTL_EDGE_MASK) | control_set; img_prl_out_writel(prl, reg, IMG_PRL_OUT_CTL); + pm_runtime_put(prl->dev); return 0; } Patches currently in stable-queue which might be from ed.blake@sondrel.com are queue-4.9/asoc-img-parallel-out-add-pm_runtime_get-put-to-set_fmt-callback.patch