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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 v7 09/15] firmware: arm_scmi: Make shmem support optional for transports
Date: Tue,  3 Aug 2021 14:10:18 +0100	[thread overview]
Message-ID: <20210803131024.40280-10-cristian.marussi@arm.com> (raw)
In-Reply-To: <20210803131024.40280-1-cristian.marussi@arm.com>

From: Igor Skalkin <igor.skalkin@opensynergy.com>

Upcoming new SCMI transports won't need any kind of shared memory support.
Compile shmem.c only if a shmem based transport is selected.

Signed-off-by: Igor Skalkin <igor.skalkin@opensynergy.com>
[ Peter: Adapted patch for submission to upstream. ]
Co-developed-by: Peter Hilber <peter.hilber@opensynergy.com>
Signed-off-by: Peter Hilber <peter.hilber@opensynergy.com>
[ Cristian: Adapted patch/commit_msg to new SCMI Kconfig layout ]
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
---
v4 --> v5
- Adapted to new SCMI Kconfig layout
---
 drivers/firmware/arm_scmi/Kconfig  | 8 ++++++++
 drivers/firmware/arm_scmi/Makefile | 2 +-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/drivers/firmware/arm_scmi/Kconfig b/drivers/firmware/arm_scmi/Kconfig
index a6fcd06b2232..cd84e5f2ee02 100644
--- a/drivers/firmware/arm_scmi/Kconfig
+++ b/drivers/firmware/arm_scmi/Kconfig
@@ -30,10 +30,17 @@ config ARM_SCMI_HAVE_TRANSPORT
 	  Used to trigger a build bug when trying to build SCMI without any
 	  configured transport.
 
+config ARM_SCMI_HAVE_SHMEM
+	bool
+	help
+	  This declares whether a shared memory based transport for SCMI is
+	  available.
+
 config ARM_SCMI_TRANSPORT_MAILBOX
 	bool "SCMI transport based on Mailbox"
 	depends on MAILBOX
 	select ARM_SCMI_HAVE_TRANSPORT
+	select ARM_SCMI_HAVE_SHMEM
 	default y
 	help
 	  Enable mailbox based transport for SCMI.
@@ -45,6 +52,7 @@ config ARM_SCMI_TRANSPORT_SMC
 	bool "SCMI transport based on SMC"
 	depends on HAVE_ARM_SMCCC_DISCOVERY
 	select ARM_SCMI_HAVE_TRANSPORT
+	select ARM_SCMI_HAVE_SHMEM
 	default y
 	help
 	  Enable SMC based transport for SCMI.
diff --git a/drivers/firmware/arm_scmi/Makefile b/drivers/firmware/arm_scmi/Makefile
index 38163d6991b3..e0e6bd3dba9e 100644
--- a/drivers/firmware/arm_scmi/Makefile
+++ b/drivers/firmware/arm_scmi/Makefile
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0-only
 scmi-bus-y = bus.o
 scmi-driver-y = driver.o notify.o
-scmi-transport-y = shmem.o
+scmi-transport-$(CONFIG_ARM_SCMI_HAVE_SHMEM) = shmem.o
 scmi-transport-$(CONFIG_ARM_SCMI_TRANSPORT_MAILBOX) += mailbox.o
 scmi-transport-$(CONFIG_ARM_SCMI_TRANSPORT_SMC) += smc.o
 scmi-protocols-y = base.o clock.o perf.o power.o reset.o sensors.o system.o voltage.o
-- 
2.17.1


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  parent reply	other threads:[~2021-08-03 13:28 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-03 13:10 [PATCH v7 00/15] Introduce SCMI transport based on VirtIO Cristian Marussi
2021-08-03 13:10 ` [PATCH v7 01/15] firmware: arm_scmi: Add support for type handling in common functions Cristian Marussi
2021-08-03 13:10 ` [PATCH v7 02/15] firmware: arm_scmi: Remove scmi_dump_header_dbg() helper Cristian Marussi
2021-08-03 13:10 ` [PATCH v7 03/15] firmware: arm_scmi: Add optional transport_init/exit support Cristian Marussi
2021-08-03 13:10 ` [PATCH v7 04/15] firmware: arm_scmi: Introduce monotonically increasing tokens Cristian Marussi
2021-08-03 13:10 ` [PATCH v7 05/15] firmware: arm_scmi: Handle concurrent and out-of-order messages Cristian Marussi
2021-08-03 13:10 ` [PATCH v7 06/15] firmware: arm_scmi: Make .clear_channel optional Cristian Marussi
2021-08-03 13:10 ` [PATCH v7 07/15] firmware: arm_scmi: Make polling mode optional Cristian Marussi
2021-08-03 13:10 ` [PATCH v7 08/15] firmware: arm_scmi: Make SCMI transports configurable Cristian Marussi
2021-08-03 13:10 ` Cristian Marussi [this message]
2021-08-03 13:10 ` [PATCH v7 10/15] firmware: arm_scmi: Add method to override max message number Cristian Marussi
2021-08-03 13:10 ` [PATCH v7 11/15] firmware: arm_scmi: Add message passing abstractions for transports Cristian Marussi
2021-08-03 13:10 ` [PATCH v7 12/15] firmware: arm_scmi: Add optional link_supplier() transport op Cristian Marussi
2021-08-03 13:10 ` [PATCH v7 13/15] dt-bindings: arm: Add virtio transport for SCMI Cristian Marussi
2021-08-03 13:10 ` [PATCH v7 14/15] firmware: arm_scmi: Add priv parameter to scmi_rx_callback Cristian Marussi
2021-08-03 13:10 ` [PATCH v7 15/15] firmware: arm_scmi: Add virtio transport Cristian Marussi
2021-09-04 13:03   ` [virtio-dev] " Michael S. Tsirkin
2021-09-05  7:14     ` Cristian Marussi
2021-08-09  4:57 ` [PATCH v7 00/15] Introduce SCMI transport based on VirtIO Sudeep Holla

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