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Subject: [PATCH v7 09/15] firmware: arm_scmi: Make shmem support optional for transports
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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