From patchwork Wed Jul 31 19:12:42 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rob Herring X-Patchwork-Id: 13749069 X-Patchwork-Delegate: geert@linux-m68k.org 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 F1FD061FEB; Wed, 31 Jul 2024 19:13:39 +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=1722453220; cv=none; b=nVGB/Yebw0qgptk9i3WOkPniQKCQOvNG2mZ2TZA5/Dj2sV1zDAmjdCfS46PGPWUcJICCMHtjbxANWFKY8DwiS58Du/PAQU9gxlH2yfdakPao5rPA//xaTGe5i0rIIw7EY3ECyPReV87KdRgdweZQ8Xu5ArNzb/fkqcEtLe/Xl+c= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722453220; c=relaxed/simple; bh=/vCbSfFh+Teb1SyCZnsnZm+zGpfoIjaZBtt5r0JSCrU=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=cmdsS2Uzmd6HKA4mkXU+CpkBSVgYejREsPbOX59nVPVYBpSOrTS65cfA99IMdKg1YR+8C5dTrA3XizfnaNjhdnDle1voXiwRbdsr3OZpKBGfFZCHtDZLJ3PObVVu0whAkl6pCRBb1OOG6znIn2LG8PjhlP27e3gKwS1VoJYqgDc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=iIZEaUE7; 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="iIZEaUE7" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4E252C4AF09; Wed, 31 Jul 2024 19:13:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1722453219; bh=/vCbSfFh+Teb1SyCZnsnZm+zGpfoIjaZBtt5r0JSCrU=; h=From:To:Cc:Subject:Date:From; b=iIZEaUE7CYfFDuICSbjuei0BwDlx9VRivB/9NykOaBEkhcRYStKmUMbDQqdSzH2O9 a6VM4ZwmJnLXbZHc7Q052iIAB7G7pXP85MpcQRLXWeYDKoypf/Obi2EuWbRX4OUkeS 4YFnYSTYUGxqNEaJ6Yf0A0qxmO7FLQs1v5S5bOO7Puixuq3qvIeGByAZm1MGsCyLy6 rc79PB8USLcrWgCAN34og4v4JEtW4b4/6N//eZF2Oxf51MyFdMC+OF9xZ1aAT/YEQx xNIiAtyzbZh4Qa9aS2xI/j+U0+T+3DGe10iYPNiTUNPYIa9RfN76mAesn+rFyW4+dx K1UsAr4sGNXdQ== From: "Rob Herring (Arm)" To: Michael Turquette , Stephen Boyd , Geert Uytterhoeven , Linus Walleij Cc: linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH] clk: Use of_property_present() Date: Wed, 31 Jul 2024 13:12:42 -0600 Message-ID: <20240731191312.1710417-4-robh@kernel.org> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-renesas-soc@vger.kernel.org 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|get)_property() leak 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) Reviewed-by: Linus Walleij Reviewed-by: Geert Uytterhoeven Acked-by: Geert Uytterhoeven --- drivers/clk/clk.c | 2 +- drivers/clk/renesas/clk-mstp.c | 2 +- drivers/clk/versatile/clk-sp810.c | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index 285ed1ad8a37..7264cf6165ce 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -5232,7 +5232,7 @@ static int of_parse_clkspec(const struct device_node *np, int index, * clocks. */ np = np->parent; - if (np && !of_get_property(np, "clock-ranges", NULL)) + if (np && !of_property_present(np, "clock-ranges")) break; index = 0; } diff --git a/drivers/clk/renesas/clk-mstp.c b/drivers/clk/renesas/clk-mstp.c index 5304c977562f..5bc473c2adb3 100644 --- a/drivers/clk/renesas/clk-mstp.c +++ b/drivers/clk/renesas/clk-mstp.c @@ -207,7 +207,7 @@ static void __init cpg_mstp_clocks_init(struct device_node *np) for (i = 0; i < MSTP_MAX_CLOCKS; ++i) clks[i] = ERR_PTR(-ENOENT); - if (of_find_property(np, "clock-indices", &i)) + if (of_property_present(np, "clock-indices")) idxname = "clock-indices"; else idxname = "renesas,clock-indices"; diff --git a/drivers/clk/versatile/clk-sp810.c b/drivers/clk/versatile/clk-sp810.c index 45adac1b4630..033d4f78edc8 100644 --- a/drivers/clk/versatile/clk-sp810.c +++ b/drivers/clk/versatile/clk-sp810.c @@ -110,7 +110,7 @@ static void __init clk_sp810_of_setup(struct device_node *node) init.parent_names = parent_names; init.num_parents = num; - deprecated = !of_find_property(node, "assigned-clock-parents", NULL); + deprecated = !of_property_present(node, "assigned-clock-parents"); for (i = 0; i < ARRAY_SIZE(sp810->timerclken); i++) { snprintf(name, sizeof(name), "sp810_%d_%d", instance, i);