From patchwork Thu Sep 11 14:26:23 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomeu Vizoso X-Patchwork-Id: 4888311 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 628D99F32F for ; Thu, 11 Sep 2014 14:30:08 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 2CB3320254 for ; Thu, 11 Sep 2014 14:30:07 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C7D302026D for ; Thu, 11 Sep 2014 14:30:00 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1XS5Lu-0001sc-Jp; Thu, 11 Sep 2014 14:28:02 +0000 Received: from mail-wg0-x22a.google.com ([2a00:1450:400c:c00::22a]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1XS5L6-0000oz-Jb for linux-arm-kernel@lists.infradead.org; Thu, 11 Sep 2014 14:27:13 +0000 Received: by mail-wg0-f42.google.com with SMTP id x12so7595245wgg.1 for ; Thu, 11 Sep 2014 07:26:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references; bh=f7o07pSVMJfCElwv0i0x1XvwIZLIHAAYRBzfcb7h+s4=; b=b2C0TMm8g9P7yZQ1Oz1lTZ/y2Ocj7E5MEp22ChCUbTSDUN6MaHkOkHGPZr2ex4uYoz fYVW7dL0KbJLjHPswFryEHda56V/KyWDjewPsX2BRmZN8WtvTU30AConHPUm4nYJWP7l lYv6g7AdpCrLxR/L42dCwBDAPPiHjTWEzFdScS3g4cS7kIQ9nXMzZgmUQUEtvqlgKfZe BNebQrnkBGsQP4dp/TaI0so1i8NE0JzM86CSGcjVPhBnXlNDMnjgUS0Eotd4dCW6D4Yj E/ABDAATYCCHyAMzFCPLut3/eLk4DorxS3q37uEUAzNUsJSh13hbrDnOC3GZlj3E59RC CLjg== X-Received: by 10.180.78.234 with SMTP id e10mr7582807wix.7.1410445612964; Thu, 11 Sep 2014 07:26:52 -0700 (PDT) Received: from localhost.localdomain (37-48-42-23.tmcz.cz. [37.48.42.23]) by mx.google.com with ESMTPSA id ka3sm1421242wjc.3.2014.09.11.07.26.50 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 11 Sep 2014 07:26:52 -0700 (PDT) From: Tomeu Vizoso To: Mike Turquette Subject: [PATCH v11 9/9] clk: Add docs about calling clk_put after clk_get_parent Date: Thu, 11 Sep 2014 16:26:23 +0200 Message-Id: <1410445583-18626-7-git-send-email-tomeu.vizoso@collabora.com> X-Mailer: git-send-email 1.9.3 In-Reply-To: <1410445583-18626-1-git-send-email-tomeu.vizoso@collabora.com> References: <1410445421-18362-1-git-send-email-tomeu.vizoso@collabora.com> <1410445583-18626-1-git-send-email-tomeu.vizoso@collabora.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140911_072712_852446_7658DCA7 X-CRM114-Status: UNSURE ( 9.80 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.7 (/) Cc: Tomeu Vizoso , Stephen Warren , Peter De Schrijver , linux-kernel@vger.kernel.org, tomasz.figa@gmail.com, rabin@rab.in, Thierry Reding , Javier Martinez Canillas , linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.3 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_NONE,RP_MATCHES_RCVD,T_DKIM_INVALID,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP As otherwise the per-user clk will be leaked. Signed-off-by: Tomeu Vizoso --- drivers/clk/clk.c | 3 ++- include/linux/clk.h | 3 ++- 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index 1ad8cb7..8ac8543 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -1784,7 +1784,8 @@ EXPORT_SYMBOL_GPL(clk_provider_get_parent); * clk_get_parent - return the parent of a clk * @clk_user: the clk whose parent gets returned * - * Simply returns clk->parent. Returns NULL if clk is NULL. + * Simply returns clk->parent. Returns NULL if clk is NULL. Caller must call + * clk_put() to release the returned struct clk. */ struct clk *clk_get_parent(struct clk *clk_user) { diff --git a/include/linux/clk.h b/include/linux/clk.h index 066b100..4f54952 100644 --- a/include/linux/clk.h +++ b/include/linux/clk.h @@ -306,7 +306,8 @@ int clk_set_parent(struct clk *clk, struct clk *parent); * @clk: clock source * * Returns struct clk corresponding to parent clock source, or - * valid IS_ERR() condition containing errno. + * valid IS_ERR() condition containing errno. Caller must call + * clk_put() to release the returned struct clk. */ struct clk *clk_get_parent(struct clk *clk);