From patchwork Wed Jul 31 19:12:45 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rob Herring X-Patchwork-Id: 13749077 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2A223168499; Wed, 31 Jul 2024 19:13:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722453226; cv=none; b=axJMIUBNfOSy96VTPNJRx1JNKqUgdqwMxEzUt2MN+thnMuOOV5ZE8uHYNvGeMX0CXTxIkhnoXkHIDZwmlRTlhfLUmla1NmvziC3z2rbyzUiq/BfO49eorOvZAVhvixCOvhiakaidGxCxHUe1x0FqwFX4pqjihx49and+mN68s5o= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722453226; c=relaxed/simple; bh=T3/ZGvRIcdVcWhXLfnt/8UVdJ+xNtaUxWIZV3H2kVCU=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=Ty45vITlLAjaQ6iztfZu+tufLcfHJEx8YhkUmTrRU8pXZM4cEkAWGBYV+TvNSpAkn++Q5RROBOitPikgfrCVve7fOKtC2KwAhQYx71sG9Dn2KHl6/XYt9Wh5ayyjb0TcZ0K6KkZROOfG+Gb723MPAStRUePAWIg7/RjdDPT2RkQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=LOor4D1V; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="LOor4D1V" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9AFD1C4AF09; Wed, 31 Jul 2024 19:13:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1722453225; bh=T3/ZGvRIcdVcWhXLfnt/8UVdJ+xNtaUxWIZV3H2kVCU=; h=From:To:Cc:Subject:Date:From; b=LOor4D1VhBJFEasQ3A3MIR41sQ3gAixx0q7gkAZoxz6dhbSh+FNnKmWWGPcc946ls WHzzefQBiHjcAUg51BiB7Bmuc3R1Q31+qo7Z/CZGhbIGHgWh05sS/kQSJS1hc1EvnO EevmIBr3f/WsP+VsD3TmCqaNmZMVGN4DQqnmQU8XXayeXDP4PUrjtT6swKnT3zU0aj Jx8ru+JZvB3LX09nTTVkDmrtPti9Eid4TVxqg1iqxwwEYPntWG+vytKjARuYaLR5jQ NrEh6L7Uh98TIZKtkoWIXQcYXq8ImHzEXVkvsNDmPr+HO1u83boiFYN+PDwSOSykKS K1Rb8panMCDWA== From: "Rob Herring (Arm)" To: Bjorn Andersson , Mathieu Poirier , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam Cc: linux-remoteproc@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH] remoteproc: Use of_property_present() Date: Wed, 31 Jul 2024 13:12:45 -0600 Message-ID: <20240731191312.1710417-7-robh@kernel.org> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Use of_property_present() to test for property presence rather than of_(find|get)_property(). This is part of a larger effort to remove callers of of_find_property() and similar functions. of_find_property() leaks the DT struct property and data pointers which is a problem for dynamically allocated nodes which may be freed. Signed-off-by: Rob Herring (Arm) Acked-by: Peng Fan --- drivers/remoteproc/imx_dsp_rproc.c | 2 +- drivers/remoteproc/imx_rproc.c | 2 +- drivers/remoteproc/xlnx_r5_remoteproc.c | 6 +++--- 3 files changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/remoteproc/imx_dsp_rproc.c b/drivers/remoteproc/imx_dsp_rproc.c index 087506e21508..376187ad5754 100644 --- a/drivers/remoteproc/imx_dsp_rproc.c +++ b/drivers/remoteproc/imx_dsp_rproc.c @@ -509,7 +509,7 @@ static int imx_dsp_rproc_mbox_alloc(struct imx_dsp_rproc *priv) struct mbox_client *cl; int ret; - if (!of_get_property(dev->of_node, "mbox-names", NULL)) + if (!of_property_present(dev->of_node, "mbox-names")) return 0; cl = &priv->cl; diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c index 144c8e9a642e..8d7ecc809c67 100644 --- a/drivers/remoteproc/imx_rproc.c +++ b/drivers/remoteproc/imx_rproc.c @@ -807,7 +807,7 @@ static int imx_rproc_xtr_mbox_init(struct rproc *rproc) if (priv->tx_ch && priv->rx_ch) return 0; - if (!of_get_property(dev->of_node, "mbox-names", NULL)) + if (!of_property_present(dev->of_node, "mbox-names")) return 0; cl = &priv->cl; diff --git a/drivers/remoteproc/xlnx_r5_remoteproc.c b/drivers/remoteproc/xlnx_r5_remoteproc.c index 596f3ffb8935..2cea97c746fd 100644 --- a/drivers/remoteproc/xlnx_r5_remoteproc.c +++ b/drivers/remoteproc/xlnx_r5_remoteproc.c @@ -1059,7 +1059,7 @@ static int zynqmp_r5_core_init(struct zynqmp_r5_cluster *cluster, r5_core = cluster->r5_cores[0]; /* Maintain backward compatibility for zynqmp by using hardcode TCM address. */ - if (of_find_property(r5_core->np, "reg", NULL)) + if (of_property_present(r5_core->np, "reg")) ret = zynqmp_r5_get_tcm_node_from_dt(cluster); else if (device_is_compatible(dev, "xlnx,zynqmp-r5fss")) ret = zynqmp_r5_get_tcm_node(cluster); @@ -1086,7 +1086,7 @@ static int zynqmp_r5_core_init(struct zynqmp_r5_cluster *cluster, return ret; } - if (of_find_property(dev_of_node(dev), "xlnx,tcm-mode", NULL) || + if (of_property_present(dev_of_node(dev), "xlnx,tcm-mode") || device_is_compatible(dev, "xlnx,zynqmp-r5fss")) { ret = zynqmp_pm_set_tcm_config(r5_core->pm_domain_id, tcm_mode); @@ -1147,7 +1147,7 @@ static int zynqmp_r5_cluster_init(struct zynqmp_r5_cluster *cluster) return -EINVAL; } - if (of_find_property(dev_node, "xlnx,tcm-mode", NULL)) { + if (of_property_present(dev_node, "xlnx,tcm-mode")) { ret = of_property_read_u32(dev_node, "xlnx,tcm-mode", (u32 *)&tcm_mode); if (ret) return ret;