From patchwork Tue Jan 23 14:13:06 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 13527499 Received: from mail-wr1-f49.google.com (mail-wr1-f49.google.com [209.85.221.49]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 198DA5F862 for ; Tue, 23 Jan 2024 14:13:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.221.49 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706019218; cv=none; b=cDwBosICehGfEPo2ueVygeJjDaEvLdYCXxvknmHfCMb5p4Ym229xVJlCzUkGq+H3W3TRpKQ1N9leAvq1v+cfEpbldWg9DRUYcRATW9eSH6ophycGHtzNMcLhSEB7Q5V0Di7+fLp6cpQd9evuBDBxtL7Rvf1b/3CbFUOls0HhtyU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706019218; c=relaxed/simple; bh=DeKmmRTD5CNQ6B+HeX8UYe9vDMCdXGtr2srSjXnVNns=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=twoI+oeIdVM2dfpIFTCpyU0Nb+6K44yXHo2Hm86Cf1DZ3fNqqaJfn6uvEBLLVInh8G7JlRWiRGNIutZgNOAobER3uRvzNEOBKvjZGag7YzmrMg37GX8ybVsrExI/UCos4M2ytrE68yMGPe5xC0/Jv9PVGLFmj4Y/CC1vEpAzmrs= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org; spf=pass smtp.mailfrom=linaro.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b=vPW9oAeS; arc=none smtp.client-ip=209.85.221.49 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linaro.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="vPW9oAeS" Received: by mail-wr1-f49.google.com with SMTP id ffacd0b85a97d-337d05b8942so5003734f8f.3 for ; Tue, 23 Jan 2024 06:13:36 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1706019215; x=1706624015; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=BMoHux/To4Z52U5G1RVrMYaeJYsNbnrs52rE7GNgAZI=; b=vPW9oAeS9uFZhKOgwpZux7Fe3Ss2tiCP2dZ9ThYDqGbVUJyQZXf8P3xUnHSYfA7fVb ocza2WoVq51hcQ7TmwlxRokz6rVeB1GDZPWWuRnjRq1bt6aWasj3PZukAWSUyFqo1EXn qZR0nMbd4+cHDeDiBAaTk3Dn/lafMYa1nMzOQF4GqkruwCU7WTfs81IblycD8Qrzp9YG AUTF6T0G4tBZP85GFazzesZoNyQqinsfM5N+fvJzIkZm6bIzlk1AUlXQ7nGNxXNFuxwz x9M8P4+7zy/WbfN3t33dZK/G6s+mdrx62AwYf2A7kNK7TDjutPaWvg7fJs9jkJBbhAys lAvQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1706019215; x=1706624015; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=BMoHux/To4Z52U5G1RVrMYaeJYsNbnrs52rE7GNgAZI=; b=ey5+Pt9734JMMUaBOSqKCTYxaJ1poejpY2r27tniDOE1M3JnYrcP+vU5LQ1O3DuXFb abzUqe+PNfqYlUEuOu+XpFm489J6/XEOdvvZERwwFYJsl7U2iUOPDnXeLCk8jFzJMYjF 8c9iG+eVi5SafeNzwCJdnNN3TQkUlocEGscdMpt7yQBe5tNM92NWzlAxzNuuuGnosX9Z xa/cgYsjgWY9S7Tf9TyIwBCY007AnmNU796N2Xr1HTwBFpffx25Jl8sJyeFJyZEpLJM9 KSrxp/fMFzsZpnbd23KUlohqoV4kAQmFyQVlmzvXOxp7TqKgsu7Fl/SHrMkmwWFiAzm1 rqFw== X-Gm-Message-State: AOJu0YwfSgaFavB3PyKnZmRTzCpRUbjXquCjSCz5HV/CWrNYC/L3uDyd LVhlwPRKlxeav+sm8GLO6W1Y0XWIPLroiUQ9BTQH+b0QWxQWpi7XCNc7APOadd8= X-Google-Smtp-Source: AGHT+IHo9L/aNhs2YMpki7iiHaEqAW0G6bDJZdhRv+OHQG2adVInlM0yES+a35JGzEx8ngUBwfPJ4g== X-Received: by 2002:adf:e546:0:b0:337:c702:98f7 with SMTP id z6-20020adfe546000000b00337c70298f7mr3509879wrm.95.1706019215345; Tue, 23 Jan 2024 06:13:35 -0800 (PST) Received: from krzk-bin.. ([178.197.215.66]) by smtp.gmail.com with ESMTPSA id r8-20020adfe688000000b00337d97338b0sm12132298wrm.76.2024.01.23.06.13.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 23 Jan 2024 06:13:34 -0800 (PST) From: Krzysztof Kozlowski To: Bjorn Andersson , Konrad Dybcio , Srinivas Kandagatla , Banajit Goswami , Liam Girdwood , Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Philipp Zabel , "Rafael J. Wysocki" , Viresh Kumar , Frank Rowand , Jaroslav Kysela , Takashi Iwai , linux-arm-msm@vger.kernel.org, alsa-devel@alsa-project.org, linux-sound@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org Cc: Krzysztof Kozlowski Subject: [PATCH v4 1/6] of: Add of_phandle_args_equal() helper Date: Tue, 23 Jan 2024 15:13:06 +0100 Message-Id: <20240123141311.220505-2-krzysztof.kozlowski@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240123141311.220505-1-krzysztof.kozlowski@linaro.org> References: <20240123141311.220505-1-krzysztof.kozlowski@linaro.org> Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Add a helper comparing two "struct of_phandle_args" to avoid reinventing the wheel. Signed-off-by: Krzysztof Kozlowski Reviewed-by: Philipp Zabel --- Dependency of cpufreq and reset change. --- include/linux/of.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/include/linux/of.h b/include/linux/of.h index 6a9ddf20e79a..85bcc05b278d 100644 --- a/include/linux/of.h +++ b/include/linux/of.h @@ -1065,6 +1065,22 @@ static inline int of_parse_phandle_with_optional_args(const struct device_node * 0, index, out_args); } +/** + * of_phandle_args_equal() - Compare two of_phandle_args + * @a1: First of_phandle_args to compare + * @a2: Second of_phandle_args to compare + * + * Return: True if a1 and a2 are the same (same node pointer, same phandle + * args), false otherwise. + */ +static inline bool of_phandle_args_equal(const struct of_phandle_args *a1, + const struct of_phandle_args *a2) +{ + return a1->np == a2->np && + a1->args_count == a2->args_count && + !memcmp(a1->args, a2->args, sizeof(a1->args[0]) * a1->args_count); +} + /** * of_property_count_u8_elems - Count the number of u8 elements in a property *