diff options
Diffstat (limited to 'meta-egvirt/recipes-kernel/linux/linux-yocto/virtio-scmi/0001-firmware-arm_scmi-smccc-mailbox-Make-shmem-based-tra.patch')
| -rw-r--r-- | meta-egvirt/recipes-kernel/linux/linux-yocto/virtio-scmi/0001-firmware-arm_scmi-smccc-mailbox-Make-shmem-based-tra.patch | 119 |
1 files changed, 0 insertions, 119 deletions
diff --git a/meta-egvirt/recipes-kernel/linux/linux-yocto/virtio-scmi/0001-firmware-arm_scmi-smccc-mailbox-Make-shmem-based-tra.patch b/meta-egvirt/recipes-kernel/linux/linux-yocto/virtio-scmi/0001-firmware-arm_scmi-smccc-mailbox-Make-shmem-based-tra.patch deleted file mode 100644 index 3d9d0fdb..00000000 --- a/meta-egvirt/recipes-kernel/linux/linux-yocto/virtio-scmi/0001-firmware-arm_scmi-smccc-mailbox-Make-shmem-based-tra.patch +++ /dev/null @@ -1,119 +0,0 @@ -From 36269e8f5fa1f33a793c472935affe3039c052bd Mon Sep 17 00:00:00 2001 -From: Igor Skalkin <igor.skalkin@opensynergy.com> -Date: Thu, 5 Nov 2020 22:21:07 +0100 -Subject: [PATCH] firmware: arm_scmi, smccc, mailbox: Make shmem based - transports optional - -Upon adding the virtio transport in this patch series, SCMI will also -work without shared memory based transports. Also, the mailbox transport -may not be needed if the smc transport is used. - -- Compile shmem.c only if a shmem based transport is available. - -- Remove hard dependency of SCMI on mailbox. - -Co-developed-by: Peter Hilber <peter.hilber@opensynergy.com> -Signed-off-by: Peter Hilber <peter.hilber@opensynergy.com> -Signed-off-by: Igor Skalkin <igor.skalkin@opensynergy.com> -Signed-off-by: Vasyl Vavrychuk <vasyl.vavrychuk@opensynergy.com> ---- - drivers/firmware/Kconfig | 9 ++++++++- - drivers/firmware/arm_scmi/Makefile | 2 +- - drivers/firmware/arm_scmi/common.h | 2 ++ - drivers/firmware/arm_scmi/driver.c | 2 ++ - drivers/firmware/smccc/Kconfig | 1 + - drivers/mailbox/Kconfig | 1 + - 6 files changed, 15 insertions(+), 2 deletions(-) - -diff --git a/drivers/firmware/Kconfig b/drivers/firmware/Kconfig -index 3315e3c21586..30a85d38d0c0 100644 ---- a/drivers/firmware/Kconfig -+++ b/drivers/firmware/Kconfig -@@ -9,7 +9,7 @@ menu "Firmware Drivers" - config ARM_SCMI_PROTOCOL - tristate "ARM System Control and Management Interface (SCMI) Message Protocol" - depends on ARM || ARM64 || COMPILE_TEST -- depends on MAILBOX -+ depends on ARM_SCMI_HAVE_SHMEM - help - ARM System Control and Management Interface (SCMI) protocol is a - set of operating system-independent software interfaces that are -@@ -27,6 +27,13 @@ config ARM_SCMI_PROTOCOL - This protocol library provides interface for all the client drivers - making use of the features offered by the SCMI. - -+config ARM_SCMI_HAVE_SHMEM -+ bool -+ default n -+ help -+ This declares whether a shared memory based transport for SCMI is -+ available. -+ - config ARM_SCMI_POWER_DOMAIN - tristate "SCMI power domain driver" - depends on ARM_SCMI_PROTOCOL || (COMPILE_TEST && OF) -diff --git a/drivers/firmware/arm_scmi/Makefile b/drivers/firmware/arm_scmi/Makefile -index bc0d54f8e861..3cc7fa40a464 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_MAILBOX) += mailbox.o - scmi-transport-$(CONFIG_HAVE_ARM_SMCCC_DISCOVERY) += smc.o - scmi-protocols-y = base.o clock.o perf.o power.o reset.o sensors.o system.o -diff --git a/drivers/firmware/arm_scmi/common.h b/drivers/firmware/arm_scmi/common.h -index 65063fa948d4..aed192238177 100644 ---- a/drivers/firmware/arm_scmi/common.h -+++ b/drivers/firmware/arm_scmi/common.h -@@ -242,7 +242,9 @@ struct scmi_desc { - int max_msg_size; - }; - -+#ifdef CONFIG_MAILBOX - extern const struct scmi_desc scmi_mailbox_desc; -+#endif - #ifdef CONFIG_HAVE_ARM_SMCCC - extern const struct scmi_desc scmi_smc_desc; - #endif -diff --git a/drivers/firmware/arm_scmi/driver.c b/drivers/firmware/arm_scmi/driver.c -index 6b2ce3f28f7b..7efbf66f117b 100644 ---- a/drivers/firmware/arm_scmi/driver.c -+++ b/drivers/firmware/arm_scmi/driver.c -@@ -918,7 +918,9 @@ ATTRIBUTE_GROUPS(versions); - - /* Each compatible listed below must have descriptor associated with it */ - static const struct of_device_id scmi_of_match[] = { -+#ifdef CONFIG_MAILBOX - { .compatible = "arm,scmi", .data = &scmi_mailbox_desc }, -+#endif - #ifdef CONFIG_HAVE_ARM_SMCCC_DISCOVERY - { .compatible = "arm,scmi-smc", .data = &scmi_smc_desc}, - #endif -diff --git a/drivers/firmware/smccc/Kconfig b/drivers/firmware/smccc/Kconfig -index 15e7466179a6..69c4d6cabf62 100644 ---- a/drivers/firmware/smccc/Kconfig -+++ b/drivers/firmware/smccc/Kconfig -@@ -9,6 +9,7 @@ config HAVE_ARM_SMCCC_DISCOVERY - bool - depends on ARM_PSCI_FW - default y -+ select ARM_SCMI_HAVE_SHMEM - help - SMCCC v1.0 lacked discoverability and hence PSCI v1.0 was updated - to add SMCCC discovery mechanism though the PSCI firmware -diff --git a/drivers/mailbox/Kconfig b/drivers/mailbox/Kconfig -index 05b1009e2820..5ffe1ab0c869 100644 ---- a/drivers/mailbox/Kconfig -+++ b/drivers/mailbox/Kconfig -@@ -1,6 +1,7 @@ - # SPDX-License-Identifier: GPL-2.0-only - menuconfig MAILBOX - bool "Mailbox Hardware Support" -+ select ARM_SCMI_HAVE_SHMEM - help - Mailbox is a framework to control hardware communication between - on-chip processors through queued messages and interrupt driven |