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From: Cristian Marussi <cristian.marussi@arm.com>
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	[thread overview]
Message-ID: <20210611165937.701-12-cristian.marussi@arm.com> (raw)
In-Reply-To: <20210611165937.701-1-cristian.marussi@arm.com>

From: Peter Hilber <peter.hilber@opensynergy.com>

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 <peter.hilber@opensynergy.com>
---
 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


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  parent reply	other threads:[~2021-06-11 17:08 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-11 16:59 [PATCH v4 00/16] Introduce SCMI VirtIO transport Cristian Marussi
2021-06-11 16:59 ` [PATCH v4 01/16] firmware: arm_scmi: Fix max pending messages boundary check Cristian Marussi
2021-07-01  8:42   ` Peter Hilber
2021-07-01 10:04     ` Cristian Marussi
2021-06-11 16:59 ` [PATCH v4 02/16] firmware: arm_scmi: Add support for type handling in common functions Cristian Marussi
2021-06-11 16:59 ` [PATCH v4 03/16] firmware: arm_scmi: Add transport optional init/exit support Cristian Marussi
2021-06-14 13:29   ` Jonathan Cameron
2021-06-16  9:04     ` Cristian Marussi
2021-06-11 16:59 ` [PATCH v4 04/16] firmware: arm_scmi: Introduce monotonically increasing tokens Cristian Marussi
2021-06-14 13:53   ` Jonathan Cameron
2021-06-16  9:11     ` Cristian Marussi
2021-07-01  8:42   ` Peter Hilber
2021-07-01 10:16     ` Cristian Marussi
2021-06-11 16:59 ` [PATCH v4 05/16] firmware: arm_scmi: Introduce delegated xfers support Cristian Marussi
2021-07-01  8:42   ` Peter Hilber
2021-07-01 10:24     ` Cristian Marussi
2021-06-11 16:59 ` [PATCH v4 06/16] firmware: arm_scmi, smccc, mailbox: Make shmem based transports optional Cristian Marussi
2021-07-01  8:42   ` Peter Hilber
2021-07-01 10:27     ` Cristian Marussi
2021-06-11 16:59 ` [PATCH v4 07/16] firmware: arm_scmi: Add op to override max message # Cristian Marussi
2021-06-14 14:04   ` Jonathan Cameron
2021-06-16  9:13     ` Cristian Marussi
2021-06-11 16:59 ` [PATCH v4 08/16] [RFC][REWORK] " Cristian Marussi
2021-06-11 16:59 ` [PATCH v4 09/16] firmware: arm_scmi: Add optional link_supplier() transport op Cristian Marussi
2021-06-11 16:59 ` [PATCH v4 10/16] firmware: arm_scmi: Add per-device transport private info Cristian Marussi
2021-06-11 16:59 ` Cristian Marussi [this message]
2021-06-11 16:59 ` [PATCH v4 12/16] firmware: arm_scmi: Add message passing abstractions for transports Cristian Marussi
2021-06-14 14:10   ` Jonathan Cameron
2021-06-16  9:14     ` Cristian Marussi
2021-06-11 16:59 ` [PATCH v4 13/16] dt-bindings: arm: Add virtio transport for SCMI Cristian Marussi
2021-06-24 19:22   ` Rob Herring
2021-07-01  8:43   ` Peter Hilber
2021-07-01 10:31     ` Cristian Marussi
2021-06-11 16:59 ` [PATCH v4 14/16] firmware: arm_scmi: Add virtio transport Cristian Marussi
2021-06-14 14:23   ` Jonathan Cameron
2021-06-16 10:18     ` Cristian Marussi
2021-07-01  8:43   ` Peter Hilber
2021-07-01 10:34     ` Cristian Marussi
2021-06-11 16:59 ` [PATCH v4 15/16] [RFC][REWORK] firmware: arm_scmi: make virtio-scmi use delegated xfers Cristian Marussi
2021-07-01  8:43   ` Peter Hilber
2021-07-01 11:26     ` Cristian Marussi
2021-06-11 16:59 ` [PATCH v4 16/16] firmware: arm_scmi: Add polling mode to virtio transport Cristian Marussi
2021-06-14 11:43 ` [PATCH v4 00/16] Introduce SCMI VirtIO transport Christoph Hellwig
2021-06-14 14:03   ` Cristian Marussi

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