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[23.128.96.18]) by mx.google.com with ESMTP id y18si5022340edc.363.2021.06.11.10.03.29; Fri, 11 Jun 2021 10:04:04 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=arm.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231467AbhFKRDG (ORCPT + 99 others); Fri, 11 Jun 2021 13:03:06 -0400 Received: from foss.arm.com ([217.140.110.172]:35730 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231437AbhFKRDC (ORCPT ); Fri, 11 Jun 2021 13:03:02 -0400 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 1F686D6E; Fri, 11 Jun 2021 10:01:04 -0700 (PDT) Received: from e120937-lin.home (unknown [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 12D3B3F719; Fri, 11 Jun 2021 10:01:00 -0700 (PDT) From: Cristian Marussi To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, virtualization@lists.linux-foundation.org, virtio-dev@lists.oasis-open.org Cc: sudeep.holla@arm.com, james.quinlan@broadcom.com, Jonathan.Cameron@Huawei.com, f.fainelli@gmail.com, etienne.carriere@linaro.org, vincent.guittot@linaro.org, souvik.chakravarty@arm.com, cristian.marussi@arm.com, igor.skalkin@opensynergy.com, peter.hilber@opensynergy.com, alex.bennee@linaro.org, jean-philippe@linaro.org, mikhail.golubev@opensynergy.com, anton.yakovlev@opensynergy.com, Vasyl.Vavrychuk@opensynergy.com, Andriy.Tryshnivskyy@opensynergy.com Subject: [PATCH v4 11/16] firmware: arm_scmi: Add is_scmi_protocol_device() Date: Fri, 11 Jun 2021 17:59:32 +0100 Message-Id: <20210611165937.701-12-cristian.marussi@arm.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210611165937.701-1-cristian.marussi@arm.com> References: <20210611165937.701-1-cristian.marussi@arm.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Peter Hilber The scmi-virtio transport driver will need to distinguish SCMI protocol devices from the SCMI instance device in the chan_setup() and chan_free() ops. Add this internal helper to be able to distinguish the two. Signed-off-by: Peter Hilber --- drivers/firmware/arm_scmi/bus.c | 5 +++++ drivers/firmware/arm_scmi/common.h | 2 ++ 2 files changed, 7 insertions(+) diff --git a/drivers/firmware/arm_scmi/bus.c b/drivers/firmware/arm_scmi/bus.c index 784cf0027da3..06148e972d1a 100644 --- a/drivers/firmware/arm_scmi/bus.c +++ b/drivers/firmware/arm_scmi/bus.c @@ -134,6 +134,11 @@ static struct bus_type scmi_bus_type = { .remove = scmi_dev_remove, }; +bool is_scmi_protocol_device(struct device *dev) +{ + return dev->bus == &scmi_bus_type; +} + int scmi_driver_register(struct scmi_driver *driver, struct module *owner, const char *mod_name) { diff --git a/drivers/firmware/arm_scmi/common.h b/drivers/firmware/arm_scmi/common.h index 7219970fc5eb..b783ae058c8a 100644 --- a/drivers/firmware/arm_scmi/common.h +++ b/drivers/firmware/arm_scmi/common.h @@ -264,6 +264,8 @@ struct scmi_protocol { const struct scmi_protocol_events *events; }; +bool is_scmi_protocol_device(struct device *dev); + int __init scmi_bus_init(void); void __exit scmi_bus_exit(void); -- 2.17.1