From patchwork Wed Jul 31 19:13:03 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rob Herring X-Patchwork-Id: 1967276 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=IKktUMx/; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2604:1380:45d1:ec00::1; helo=ny.mirrors.kernel.org; envelope-from=linux-pwm+bounces-2944-incoming=patchwork.ozlabs.org@vger.kernel.org; receiver=patchwork.ozlabs.org) Received: from ny.mirrors.kernel.org (ny.mirrors.kernel.org [IPv6:2604:1380:45d1:ec00::1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1) server-digest SHA384) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4WZ22Q03NFz1yYq for ; Thu, 1 Aug 2024 05:18:54 +1000 (AEST) Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ny.mirrors.kernel.org (Postfix) with ESMTPS id 31C831C2292E for ; Wed, 31 Jul 2024 19:18:52 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 3CA4D174EEB; Wed, 31 Jul 2024 19:14:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="IKktUMx/" X-Original-To: linux-pwm@vger.kernel.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 141F31741CB; Wed, 31 Jul 2024 19:14:24 +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=1722453264; cv=none; b=Vjd+a4Dodn/akKguUANGGAx5siyfbkHsElHrNLEu2BvsysaABovmSYIIQXiGCN49E/lj6Su/r7pI7rlew/FmAwLW818WMrLlbITQuyAbfEhRO1cTPU3dpVjUkAYXrtYpBq6Pw7Hqy7heJ2CDQPhe/r9FmqSX6LbWVXNY5sViogM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722453264; c=relaxed/simple; bh=s3QshrOh+QRxZHGuF0evvTbSZyLY9jl688LuBzX4Pcc=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=fPORtn2hklt6AQPWtwYIn/9s4IWz/X6FCVb0Jyoa2/+gwy1QzPWM/gmZ9ffCTFtvY1+nQZvW48WTKDdWsMioKJTvnWV2xgkwEceacKn3tyxYXJD7y2yxNTPi2scZMyLqPZuwbEPLChsQm0AlZgPnVYP+e7SRQnfHayBDYDcVDRg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=IKktUMx/; arc=none smtp.client-ip=10.30.226.201 Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7E37FC4AF09; Wed, 31 Jul 2024 19:14:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1722453264; bh=s3QshrOh+QRxZHGuF0evvTbSZyLY9jl688LuBzX4Pcc=; h=From:To:Cc:Subject:Date:From; b=IKktUMx/oHlu/Yd64P5vbtuRQieaWDxR2f3Cy5zG0CrwfqJm/hlzBvueXpIRaaYm8 vEtWRcHTHoqjOCiXoa+8lSDxV1VxJAXJLJLdqbQpdHIzP+XZYEkkVz+1dgh6Px4SUz g/LpRhEdLhhYAFproqe2EMGGomO31hkZM1RwDPZYpunijhW5cOfoT6xEMPNskyscIu sZB7UtfcbCqB0lJKT4YYtmwi+FHfcb73gmnOxtcGb2nQBgkytXPq8FyuGZ51P8oBiQ cn0MYIQKf5x04EMplPsejlX/f78XnHDLL1yX+47tlPW6xa+PN9g+mrNRtP+7wIX0Oq 5tF/Et8pSAdYA== From: "Rob Herring (Arm)" To: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= Cc: linux-pwm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] pwm: Use of_property_read_bool() Date: Wed, 31 Jul 2024 13:13:03 -0600 Message-ID: <20240731191312.1710417-25-robh@kernel.org> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-pwm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Use of_property_read_bool() to read boolean properties rather than of_get_property(). This is part of a larger effort to remove callers of of_get_property() and similar functions. of_get_property() leaks the DT property data pointer which is a problem for dynamically allocated nodes which may be freed. Signed-off-by: Rob Herring (Arm) --- drivers/pwm/pwm-omap-dmtimer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pwm/pwm-omap-dmtimer.c b/drivers/pwm/pwm-omap-dmtimer.c index cd51c4a938f5..e514f3614c43 100644 --- a/drivers/pwm/pwm-omap-dmtimer.c +++ b/drivers/pwm/pwm-omap-dmtimer.c @@ -355,7 +355,7 @@ static int pwm_omap_dmtimer_probe(struct platform_device *pdev) goto err_platdata; } - if (!of_get_property(timer, "ti,timer-pwm", NULL)) { + if (!of_property_read_bool(timer, "ti,timer-pwm")) { dev_err(&pdev->dev, "Missing ti,timer-pwm capability\n"); ret = -ENODEV; goto err_timer_property;