From patchwork Mon Jul 12 06:08:42 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 476347 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=-19.4 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, URIBL_BLOCKED, 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 C715FC07E9B for ; Mon, 12 Jul 2021 06:21:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B63FA61130 for ; Mon, 12 Jul 2021 06:21:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235287AbhGLGYj (ORCPT ); Mon, 12 Jul 2021 02:24:39 -0400 Received: from mail.kernel.org ([198.145.29.99]:39364 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234467AbhGLGXI (ORCPT ); Mon, 12 Jul 2021 02:23:08 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 3A24E61042; Mon, 12 Jul 2021 06:19:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1626070782; bh=TpQZjz/J7IXWrncNrcd4SpPP2QA+P6ZqR+S47VWpaFE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VqTGn2QQEE2OY99U1eDCTHoiWk3s9K/Eep2d2qazn6FE+ueF9W5Bw7u1KZXBihhhg i3G9klgK5+BBOrQBGgNVYGXaMlICw48cos4Zf1MQkMRbDtwWWY+pjO5Eh9XXxl9eht 1LjvozATYAqTRVs409pCBWcBapG4XbAPFO2KownU= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Sylwester Nawrocki , Jonathan Cameron , Mauro Carvalho Chehab , Sasha Levin Subject: [PATCH 5.4 138/348] media: s5p_cec: decrement usage count if disabled Date: Mon, 12 Jul 2021 08:08:42 +0200 Message-Id: <20210712060719.529973134@linuxfoundation.org> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210712060659.886176320@linuxfoundation.org> References: <20210712060659.886176320@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Mauro Carvalho Chehab [ Upstream commit 747bad54a677d8633ec14b39dfbeb859c821d7f2 ] There's a bug at s5p_cec_adap_enable(): if called to disable the device, it should call pm_runtime_put() instead of pm_runtime_disable(), as the goal here is to decrement the usage_count and not to disable PM runtime. Reported-by: Sylwester Nawrocki Reviewed-by: Jonathan Cameron Fixes: 1bcbf6f4b6b0 ("[media] cec: s5p-cec: Add s5p-cec driver") Signed-off-by: Mauro Carvalho Chehab Signed-off-by: Sasha Levin --- drivers/media/platform/s5p-cec/s5p_cec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/platform/s5p-cec/s5p_cec.c b/drivers/media/platform/s5p-cec/s5p_cec.c index 5e80352f506b..828792b854f5 100644 --- a/drivers/media/platform/s5p-cec/s5p_cec.c +++ b/drivers/media/platform/s5p-cec/s5p_cec.c @@ -54,7 +54,7 @@ static int s5p_cec_adap_enable(struct cec_adapter *adap, bool enable) } else { s5p_cec_mask_tx_interrupts(cec); s5p_cec_mask_rx_interrupts(cec); - pm_runtime_disable(cec->dev); + pm_runtime_put(cec->dev); } return 0;