From nobody Tue Feb 10 01:58:54 2026 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 4A8C9396B7B; Wed, 14 Jan 2026 11:47:31 +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=1768391253; cv=none; b=JVaVX4vigzY6l4KvPtv9wr2YByF893W9/4ptVEXR4kePaQqnBBlpuKgklSwnf9k9ggqkJEcsNdwjRZKFtz/teyHc66QDKAeJ6YYVe0D5H++qC2e11rPzdjsAUzs+/1rIhGdpA44ZIfAW9QWvVyKsxSN8jy8SHcid9pXkO31Q3mY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768391253; c=relaxed/simple; bh=/76nAyObaQ5FpN+crLyZke6FddrHAlBATqCNYda0n8k=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=jj8KQtIWpINa7UX8tsQPXVqGObBZjnVhAZgvja7i5idUsiZR0Rq/GCzbGYqOmgXRuIiAeS2Nm4a/i/trCfGBtHeJNY10MpRhQSWEy+daxHbgOya2zrmIDBWy81WqBpZC8V+85BrOEEvJHXGfcZ2YwFEvqKq41J1fJY8tFsUtAHI= 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 222DE497; Wed, 14 Jan 2026 03:47:18 -0800 (PST) Received: from pluto.fritz.box (usa-sjc-mx-foss1.foss.arm.com [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 56B503F59E; Wed, 14 Jan 2026 03:47:21 -0800 (PST) From: Cristian Marussi To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, arm-scmi@vger.kernel.org, linux-fsdevel@vger.kernel.org Cc: sudeep.holla@arm.com, james.quinlan@broadcom.com, f.fainelli@gmail.com, vincent.guittot@linaro.org, etienne.carriere@st.com, peng.fan@oss.nxp.com, michal.simek@amd.com, dan.carpenter@linaro.org, d-gole@ti.com, jonathan.cameron@huawei.com, elif.topuz@arm.com, lukasz.luba@arm.com, philip.radford@arm.com, souvik.chakravarty@arm.com, Cristian Marussi Subject: [PATCH v2 01/17] firmware: arm_scmi: Define a common SCMI_MAX_PROTOCOLS value Date: Wed, 14 Jan 2026 11:46:05 +0000 Message-ID: <20260114114638.2290765-2-cristian.marussi@arm.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260114114638.2290765-1-cristian.marussi@arm.com> References: <20260114114638.2290765-1-cristian.marussi@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" Add a common definition of SCMI_MAX_PROTOCOLS and use it all over the SCMI stack. Signed-off-by: Cristian Marussi --- drivers/firmware/arm_scmi/notify.c | 4 +--- include/linux/scmi_protocol.h | 3 +++ 2 files changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/firmware/arm_scmi/notify.c b/drivers/firmware/arm_scmi= /notify.c index dee9f238f6fd..78e9e27dc9ec 100644 --- a/drivers/firmware/arm_scmi/notify.c +++ b/drivers/firmware/arm_scmi/notify.c @@ -94,8 +94,6 @@ #include "common.h" #include "notify.h" =20 -#define SCMI_MAX_PROTO 256 - #define PROTO_ID_MASK GENMASK(31, 24) #define EVT_ID_MASK GENMASK(23, 16) #define SRC_ID_MASK GENMASK(15, 0) @@ -1673,7 +1671,7 @@ int scmi_notification_init(struct scmi_handle *handle) ni->gid =3D gid; ni->handle =3D handle; =20 - ni->registered_protocols =3D devm_kcalloc(handle->dev, SCMI_MAX_PROTO, + ni->registered_protocols =3D devm_kcalloc(handle->dev, SCMI_MAX_PROTOCOLS, sizeof(char *), GFP_KERNEL); if (!ni->registered_protocols) goto err; diff --git a/include/linux/scmi_protocol.h b/include/linux/scmi_protocol.h index aafaac1496b0..c6efe4f371ac 100644 --- a/include/linux/scmi_protocol.h +++ b/include/linux/scmi_protocol.h @@ -926,8 +926,11 @@ enum scmi_std_protocol { SCMI_PROTOCOL_VOLTAGE =3D 0x17, SCMI_PROTOCOL_POWERCAP =3D 0x18, SCMI_PROTOCOL_PINCTRL =3D 0x19, + SCMI_PROTOCOL_LAST =3D 0x7f, }; =20 +#define SCMI_MAX_PROTOCOLS 256 + enum scmi_system_events { SCMI_SYSTEM_SHUTDOWN, SCMI_SYSTEM_COLDRESET, --=20 2.52.0