From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758213AbdLVJqf (ORCPT ); Fri, 22 Dec 2017 04:46:35 -0500 Received: from mail-cys01nam02on0066.outbound.protection.outlook.com ([104.47.37.66]:20672 "EHLO NAM02-CY1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751334AbdLVJqV (ORCPT ); Fri, 22 Dec 2017 04:46:21 -0500 Authentication-Results: spf=fail (sender IP is 192.88.168.50) smtp.mailfrom=nxp.com; samsung.com; dkim=none (message not signed) header.d=none;samsung.com; dmarc=fail action=none header.from=nxp.com; From: Dong Aisheng To: CC: , , , , Dong Aisheng , Ulf Hansson , Marek Szyprowski Subject: [RFC PATCH V1 1/2] clk: use atomic runtime pm api in clk_core_is_enabled Date: Fri, 22 Dec 2017 17:46:04 +0800 Message-ID: <1513935965-12909-1-git-send-email-aisheng.dong@nxp.com> X-Mailer: git-send-email 2.7.4 X-EOPAttributedMessage: 0 X-Matching-Connectors: 131584095645888107;(91ab9b29-cfa4-454e-5278-08d120cd25b8);() X-Forefront-Antispam-Report: CIP:192.88.168.50;IPV:NLI;CTRY:US;EFV:NLI;SFV:NSPM;SFS:(10009020)(336005)(346002)(396003)(376002)(39380400002)(39860400002)(2980300002)(1110001)(1109001)(339900001)(189003)(199004)(316002)(47776003)(97736004)(104016004)(2351001)(2906002)(54906003)(8656006)(51416003)(36756003)(85426001)(86362001)(81166006)(53936002)(48376002)(50466002)(81156014)(8676002)(77096006)(5660300001)(105606002)(6666003)(68736007)(6916009)(16586007)(356003)(106466001)(305945005)(4326008)(50226002)(8936002)(59450400001)(498600001)(217873001);DIR:OUT;SFP:1101;SCL:1;SRVR:BN6PR03MB2690;H:tx30smr01.am.freescale.net;FPR:;SPF:Fail;PTR:InfoDomainNonexistent;MX:1;A:1;LANG:en; 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Thus use pm_runtime_put instead which is atomic safe. Cc: Stephen Boyd Cc: Michael Turquette Cc: Ulf Hansson Cc: Marek Szyprowski Fixes: 9a34b45397e5 ("clk: Add support for runtime PM") Signed-off-by: Dong Aisheng --- drivers/clk/clk.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index 5ec5809..e24968f 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -227,7 +227,8 @@ static bool clk_core_is_enabled(struct clk_core *core) ret = core->ops->is_enabled(core->hw); done: - clk_pm_runtime_put(core); + if (core->dev) + pm_runtime_put(core->dev); return ret; } -- 2.7.4