From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=217.140.110.172 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794565679; b=iRXoKzoDY//hK+kZ0cGxMUoCn6wFZX+igWA4nxkjPZBhA1viE7IhtLXtcwINmO0WKU6J tJRA7HMfIQCwgmNLvdupnqV2CQXaIgw4lIT9NwS5JDd7CmsFDuPBCw3Be3evb8gRHrjO6 4ORU2/kAoAGqD62NOFFIB826h7OuDYkO8NuCANR/jyP1A+b4YW5QHSXG5Ra6pFxvCvu2p XkmB97bsAAqKobBF83HgAW4dtLlkVYjBORA1Ii0Z9SoQtrAp0UQmZkO8sOjNVdwKR6URH EVjPsPFGlrtzvZFJ1PlSY0QxcEahkJ0cDT999+c3Lm2D6p8LEeg2Kpa6AkAtdU4HADw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794565679; h=DMARC-Filter:Received:Received:DKIM-Signature:Message-ID:Date: MIME-Version:User-Agent:Subject:Content-Language:To:Cc:References: From:In-Reply-To:Content-Type:Content-Transfer-Encoding; bh=qttE7i/NYMGEyijPDXwoBLWDxtH3LyQR/xHbwik0TMo=; b=5t160QgEoj9qw+2nNO/BVnYGKZuujHzCXdtkkkNClSFYE9vQZ0dZHayH9c1CuNdVsLqx NAvuPE+EZRrZcWLjLR/LegQeIKTnD3BtWVAeYAIjVfU1HGnIEA2EE4nBqxPWZkJ/Gms+D PLBYK2Ps8oPr8gA7HC/HNhXvqXE5pmw0o/bIejrtDj3Fmc3iuTYRocgdw9l0LTLgFJlCb cb1/W6/g/97gxe4BYaD7yJbgrZZs3VCGXk70idJPRVMyu+MpTsd1u18MRAtY8FmXSEGDs ZKQF1iYg2OTWQy/yNItRbyIC6BUcp2MQeBfz7iyS+mZN5xEbj9wa1hYt+y+FN0xuV2w== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=arm.com; spf=pass smtp.mailfrom=arm.com; dkim=pass header.d=arm.com header.i=@arm.com header.a=rsa-sha256 header.s=foss header.b=ayS2AFLo; arc=none smtp.remote-ip=217.140.110.172 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 8C3A7606A31C; Fri, 13 Nov 2026 10:27:58 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 8C3A7606A31C Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.a=rsa-sha256 header.s=foss header.b=ayS2AFLo Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 0403B1BB2; Fri, 13 Nov 2026 02:27:55 -0800 (PST) Received: from [10.57.67.215] (unknown [10.57.67.215]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 065AD3F673; Fri, 13 Nov 2026 02:27:55 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1794565678; bh=sniyVvy7eqHqmejSGAzUGcpDdk2gZp+cN0PLHrSDCc8=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=ayS2AFLog3ARBcBC8Rp6U2yO2Jhb/mY4HBYhUzNqyQWWla3xl+YPBIwNxbqF6N3CM z1YsWOacUrBYT1pAib+Lcvza532CUEYyWehckXaNG7pQ2fAvWAYFlcAPIUjR+8u/oV acLNvKcxJ1dS8XGxOBWXHKPxWggrWidI8lqZzApg= Message-ID: <9a479160-5bab-42f8-bf50-7b92c40b39c0@arm.com> Date: Fri, 13 Nov 2026 10:27:54 +0000 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v17 08/10] coresight: Add CORESIGHT_DEVID2 to linux/coresight.h Content-Language: en-GB To: Songwei Chai , andersson@kernel.org, alexander.shishkin@linux.intel.com, mike.leach@linaro.org, konrad.dybcio@oss.qualcomm.com, james.clark@arm.com, krzk+dt@kernel.org, conor+dt@kernel.org Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, coresight@lists.linaro.org, devicetree@vger.kernel.org, gregkh@linuxfoundation.org, songchai@qti.qualcomm.com References: <20261113024935.3173715-1-songwei.chai@oss.qualcomm.com> <20261113024935.3173715-9-songwei.chai@oss.qualcomm.com> From: Suzuki K Poulose In-Reply-To: <20261113024935.3173715-9-songwei.chai@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 13/11/2026 02:49, Songwei Chai wrote: > CORESIGHT_DEVID2 lives at a fixed, architecturally-defined offset > (0xfc0) within the generic CoreSight management register block, > immediately preceding CORESIGHT_DEVID (0xfc8). Components outside > drivers/hwtracing/coresight/ that follow the same register convention > (e.g. the Qualcomm TGU, which uses it to detect its timer/counter > capabilities) need to read it too. > > Add it to the public include/linux/coresight.h so it can be shared > outside of drivers/hwtracing/coresight/, matching CORESIGHT_LAR and > CORESIGHT_DEVID already moved there. > > Signed-off-by: Songwei Chai > --- > include/linux/coresight.h | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/include/linux/coresight.h b/include/linux/coresight.h > index 5286b3606581..7ce0366c7c70 100644 > --- a/include/linux/coresight.h > +++ b/include/linux/coresight.h > @@ -37,6 +37,7 @@ > #define CORESIGHT_UNLOCK 0xc5acce55 > #define CORESIGHT_LAR 0xfb0 > #define CORESIGHT_DEVID 0xfc8 > +#define CORESIGHT_DEVID2 0xfc0 > > static inline void CS_LOCK(void __iomem *addr) > { Merge it with Patch 1 please. Suzuki