Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752042AbcCKUTe (ORCPT ); Fri, 11 Mar 2016 15:19:34 -0500 Received: from comal.ext.ti.com ([198.47.26.152]:51089 "EHLO comal.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751471AbcCKUTc (ORCPT ); Fri, 11 Mar 2016 15:19:32 -0500 Subject: Re: [PATCH] clk: ti: dra7-atl-clock: Fix of_node reference counting To: Peter Ujfalusi , , , References: <1457705612-7684-1-git-send-email-peter.ujfalusi@ti.com> CC: , , , From: Nishanth Menon Message-ID: <56E3284F.3070801@ti.com> Date: Fri, 11 Mar 2016 14:19:27 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.5.1 MIME-Version: 1.0 In-Reply-To: <1457705612-7684-1-git-send-email-peter.ujfalusi@ti.com> Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1210 Lines: 38 On 03/11/2016 08:13 AM, Peter Ujfalusi wrote: > of_find_node_by_name() will call of_node_put() on the node so we need to > get it first to avoid warnings. > The cfg_node needs to be put after we have finished processing the > properties. > > Signed-off-by: Peter Ujfalusi > --- > drivers/clk/ti/clk-dra7-atl.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/clk/ti/clk-dra7-atl.c b/drivers/clk/ti/clk-dra7-atl.c > index 2e14dfb588f4..c77333230bdf 100644 > --- a/drivers/clk/ti/clk-dra7-atl.c > +++ b/drivers/clk/ti/clk-dra7-atl.c > @@ -265,6 +265,7 @@ static int of_dra7_atl_clk_probe(struct platform_device *pdev) > > /* Get configuration for the ATL instances */ > snprintf(prop, sizeof(prop), "atl%u", i); > + of_node_get(node); > cfg_node = of_find_node_by_name(node, prop); > if (cfg_node) { > ret = of_property_read_u32(cfg_node, "bws", > @@ -278,6 +279,7 @@ static int of_dra7_atl_clk_probe(struct platform_device *pdev) > atl_write(cinfo, DRA7_ATL_AWSMUX_REG(i), > cdesc->aws); > } > + of_node_put(cfg_node); > } > > cdesc->probed = true; > Tested-by: Nishanth Menon -- Regards, Nishanth Menon