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firmware: arm_scmi: Make shmem support optional for transports
Upcoming new SCMI transports won't need any kind of shared memory support. Compile shmem.c only if a shmem based transport is selected. Link: https://lore.kernel.org/r/20210803131024.40280-10-cristian.marussi@arm.com Co-developed-by: Peter Hilber <peter.hilber@opensynergy.com> Signed-off-by: Igor Skalkin <igor.skalkin@opensynergy.com> [ Peter: Adapted patch for submission to upstream. ] 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> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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2 changed files with 9 additions and 1 deletions
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@ -30,10 +30,17 @@ config ARM_SCMI_HAVE_TRANSPORT
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Used to trigger a build bug when trying to build SCMI without any
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Used to trigger a build bug when trying to build SCMI without any
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configured transport.
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configured transport.
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config ARM_SCMI_HAVE_SHMEM
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bool
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help
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This declares whether a shared memory based transport for SCMI is
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available.
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config ARM_SCMI_TRANSPORT_MAILBOX
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config ARM_SCMI_TRANSPORT_MAILBOX
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bool "SCMI transport based on Mailbox"
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bool "SCMI transport based on Mailbox"
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depends on MAILBOX
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depends on MAILBOX
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select ARM_SCMI_HAVE_TRANSPORT
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select ARM_SCMI_HAVE_TRANSPORT
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select ARM_SCMI_HAVE_SHMEM
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default y
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default y
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help
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help
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Enable mailbox based transport for SCMI.
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Enable mailbox based transport for SCMI.
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@ -45,6 +52,7 @@ config ARM_SCMI_TRANSPORT_SMC
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bool "SCMI transport based on SMC"
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bool "SCMI transport based on SMC"
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depends on HAVE_ARM_SMCCC_DISCOVERY
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depends on HAVE_ARM_SMCCC_DISCOVERY
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select ARM_SCMI_HAVE_TRANSPORT
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select ARM_SCMI_HAVE_TRANSPORT
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select ARM_SCMI_HAVE_SHMEM
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default y
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default y
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help
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help
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Enable SMC based transport for SCMI.
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Enable SMC based transport for SCMI.
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@ -1,7 +1,7 @@
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# SPDX-License-Identifier: GPL-2.0-only
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# SPDX-License-Identifier: GPL-2.0-only
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scmi-bus-y = bus.o
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scmi-bus-y = bus.o
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scmi-driver-y = driver.o notify.o
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scmi-driver-y = driver.o notify.o
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scmi-transport-y = shmem.o
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scmi-transport-$(CONFIG_ARM_SCMI_HAVE_SHMEM) = shmem.o
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scmi-transport-$(CONFIG_ARM_SCMI_TRANSPORT_MAILBOX) += mailbox.o
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scmi-transport-$(CONFIG_ARM_SCMI_TRANSPORT_MAILBOX) += mailbox.o
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scmi-transport-$(CONFIG_ARM_SCMI_TRANSPORT_SMC) += smc.o
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scmi-transport-$(CONFIG_ARM_SCMI_TRANSPORT_SMC) += smc.o
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scmi-protocols-y = base.o clock.o perf.o power.o reset.o sensors.o system.o voltage.o
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scmi-protocols-y = base.o clock.o perf.o power.o reset.o sensors.o system.o voltage.o
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