From nobody Wed Oct 8 00:23:29 2025 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 2E3932E9EC9 for ; Thu, 3 Jul 2025 18:35:36 +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=1751567737; cv=none; b=bmPAXxIfchQWNpuEUZkKs3+io8uywGXYxG+8SpHrgt1B7uQF3krhv/GZM5ZVNdzUUEZizA5z9skIVqcN+lPq5HhCxpwxxXqbUaL+LaQ7hJ5DuxI5VcijRFPGdjwEOL6IuV4k22Tdb+cZvUqpki+WLL8sAuVMwbljXlweegWJ+cU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751567737; c=relaxed/simple; bh=4IQJmfRPn5wOvf8eRJE9LC5lIdjzqxsiARifvlsXhAk=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=jsNOv3DdHJOZdf0tyT5ytnDltSJsGpW9Dzy5593ZVD6i9DxrUnaDSClrBhyqW5qqG2Emnm86Og2j0gvb+VftnOzRvk693MIQTP1nX2KsHGZ2Z3uvxJw66roIdQz8zrwIIDc3KYXQ0Xk6aBzhod5GBov7+IqIWWH8iDEv9Z+/3ko= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=l5PR6d7i; 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="l5PR6d7i" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 87C6FC4CEEB; Thu, 3 Jul 2025 18:35:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1751567736; bh=4IQJmfRPn5wOvf8eRJE9LC5lIdjzqxsiARifvlsXhAk=; h=From:To:Cc:Subject:Date:From; b=l5PR6d7ij5o2bBnv3i4c24V4q+HIAjYLh8cszOeCWYjKOpgo79o6h5WGPGnTDygOH yC3XzD7djv814c0IMAcvcPSBvtTEt0cAc2+0+qQCXyJ+J8qweyrqKeVsuVxnimTs8b Zo5+AuLmBPopJ1DBv+2vcFWhvKowclDkkjEPJmPu8+AURPigEHktPShNgkVQyC8W4q etaA28PNFdeHpmTibqbndNc+6tFSft3fyuQZxVVfwMhexKN3COovYk9onNeqZ7JoYe TbUU92VGOj3rrchpEMeWYpj1vlmSGolyHJFn4/sMeVvnj3TPw0vYg0+hN6h74DAlPC pVv96QlPCJAcQ== From: "Rob Herring (Arm)" To: Suzuki K Poulose , Mike Leach , James Clark , Alexander Shishkin Cc: coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH] hwtracing: coresight: Use of_reserved_mem_region_to_resource() for "memory-region" Date: Thu, 3 Jul 2025 13:35:33 -0500 Message-ID: <20250703183534.2075569-1-robh@kernel.org> X-Mailer: git-send-email 2.47.2 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Use the newly added of_reserved_mem_region_to_resource() function to handle "memory-region" properties. Signed-off-by: Rob Herring (Arm) --- .../hwtracing/coresight/coresight-tmc-core.c | 22 +++++-------------- 1 file changed, 6 insertions(+), 16 deletions(-) diff --git a/drivers/hwtracing/coresight/coresight-tmc-core.c b/drivers/hwt= racing/coresight/coresight-tmc-core.c index 88afb16bb6be..be964656be93 100644 --- a/drivers/hwtracing/coresight/coresight-tmc-core.c +++ b/drivers/hwtracing/coresight/coresight-tmc-core.c @@ -24,6 +24,7 @@ #include #include #include +#include #include #include #include @@ -634,25 +635,14 @@ static int of_tmc_get_reserved_resource_by_name(struc= t device *dev, const char *name, struct resource *res) { - int index, rc =3D -ENODEV; - struct device_node *node; + int rc =3D -ENODEV; =20 - if (!is_of_node(dev->fwnode)) - return -ENODEV; - - index =3D of_property_match_string(dev->of_node, "memory-region-names", - name); - if (index < 0) - return rc; - - node =3D of_parse_phandle(dev->of_node, "memory-region", index); - if (!node) + rc =3D of_reserved_mem_region_to_resource_byname(dev->of_node, name, res); + if (rc < 0) return rc; =20 - if (!of_address_to_resource(node, 0, res) && - res->start !=3D 0 && resource_size(res) !=3D 0) - rc =3D 0; - of_node_put(node); + if (res->start =3D=3D 0 || resource_size(res) =3D=3D 0) + rc =3D -ENODEV; =20 return rc; } --=20 2.47.2