From nobody Wed Oct 8 10:59:21 2025 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 842242036EC; Mon, 30 Jun 2025 10:56:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751280965; cv=none; b=BcFiCLiAwNA2+xlu3HbFewEd3oQ9bqM61fPjyoVnBZX7cUawQC7qpNaBipKGeDbU9JhH7d0AuTcV7guP9YkyMm/7a+iv9LnBU+F8VkLnXC4rC8Jk1AOG+KUavmg3q8NCrME+aAnV6efWQzfb85SXkoUu+oGgKRtjvDx2gyqWEXQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751280965; c=relaxed/simple; bh=m1e2jP99pIwoQ8AWABazqche6407sbJa8/waUENtyX0=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=eD5kE0F8ZmxMf/7w02SfG6iIGQnu5z1CY1xxJwIf6TbzD2hStKfjXg5fm3f4uGaKJ//3Gi2KvZsVRgtD3rxHZRoPVBPeKu1pqkA9hCJqsor93cy6L5j9jqkxyRw3NEAWVVUdWgfGqhq/tobOpSZG0FcfHAQl1HYVBmcy32oWR+E= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; arc=none smtp.client-ip=217.140.110.172 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 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 12D581F60; Mon, 30 Jun 2025 03:55:47 -0700 (PDT) Received: from oss-apollo7005.oss.cambridge.arm.com (oss-apollo7005.oss.lab.cambridge.arm.com [10.7.15.171]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 9E5C23F6A8; Mon, 30 Jun 2025 03:56:01 -0700 (PDT) From: Philip Radford To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, arm-scmi@vger.kernel.org Cc: sudeep.holla@arm.com, cristian.marussi@arm.com, luke.parkin@arm.com, philip.radford@arm.com Subject: [PATCH v2 1/3] firmware: arm_scmi: Add debug decrement counter Date: Mon, 30 Jun 2025 10:55:41 +0000 Message-Id: <20250630105544.531723-2-philip.radford@arm.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20250630105544.531723-1-philip.radford@arm.com> References: <20250630105544.531723-1-philip.radford@arm.com> 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" Create scmi_dec_count function to decrease any of the Arm SCMI debug counters. There is already an scmi_inc_count function but no decrement function. Reviewed-by: Cristian Marussi Signed-off-by: Philip Radford --- V1->V2 - Amended commit message --- drivers/firmware/arm_scmi/common.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/firmware/arm_scmi/common.h b/drivers/firmware/arm_scmi= /common.h index dab758c5fdea..c6495c4a0e8a 100644 --- a/drivers/firmware/arm_scmi/common.h +++ b/drivers/firmware/arm_scmi/common.h @@ -314,6 +314,12 @@ static inline void scmi_inc_count(atomic_t *arr, int s= tat) atomic_inc(&arr[stat]); } =20 +static inline void scmi_dec_count(atomic_t *arr, int stat) +{ + if (IS_ENABLED(CONFIG_ARM_SCMI_DEBUG_COUNTERS)) + atomic_dec(&arr[stat]); +} + enum scmi_bad_msg { MSG_UNEXPECTED =3D -1, MSG_INVALID =3D -2, --=20 2.25.1