Allow the qcom_scm driver to be loadable as a
permenent module.

Cc: Andy Gross <agr...@kernel.org>
Cc: Bjorn Andersson <bjorn.anders...@linaro.org>
Cc: Joerg Roedel <j...@8bytes.org>
Cc: Thomas Gleixner <t...@linutronix.de>
Cc: Jason Cooper <ja...@lakedaemon.net>
Cc: Marc Zyngier <m...@kernel.org>
Cc: Linus Walleij <linus.wall...@linaro.org>
Cc: Maulik Shah <mks...@codeaurora.org>
Cc: Lina Iyer <il...@codeaurora.org>
Cc: Saravana Kannan <sarava...@google.com>
Cc: Todd Kjos <tk...@google.com>
Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org>
Cc: linux-arm-...@vger.kernel.org
Cc: iommu@lists.linux-foundation.org
Cc: linux-g...@vger.kernel.org
Signed-off-by: John Stultz <john.stu...@linaro.org>
---
 drivers/firmware/Kconfig    | 2 +-
 drivers/firmware/Makefile   | 3 ++-
 drivers/firmware/qcom_scm.c | 4 ++++
 drivers/iommu/Kconfig       | 2 ++
 4 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/drivers/firmware/Kconfig b/drivers/firmware/Kconfig
index fbd785dd0513..9e533a462bf4 100644
--- a/drivers/firmware/Kconfig
+++ b/drivers/firmware/Kconfig
@@ -236,7 +236,7 @@ config INTEL_STRATIX10_RSU
          Say Y here if you want Intel RSU support.
 
 config QCOM_SCM
-       bool
+       tristate "Qcom SCM driver"
        depends on ARM || ARM64
        select RESET_CONTROLLER
 
diff --git a/drivers/firmware/Makefile b/drivers/firmware/Makefile
index 99510be9f5ed..cf24d674216b 100644
--- a/drivers/firmware/Makefile
+++ b/drivers/firmware/Makefile
@@ -17,7 +17,8 @@ obj-$(CONFIG_ISCSI_IBFT)      += iscsi_ibft.o
 obj-$(CONFIG_FIRMWARE_MEMMAP)  += memmap.o
 obj-$(CONFIG_RASPBERRYPI_FIRMWARE) += raspberrypi.o
 obj-$(CONFIG_FW_CFG_SYSFS)     += qemu_fw_cfg.o
-obj-$(CONFIG_QCOM_SCM)         += qcom_scm.o qcom_scm-smc.o qcom_scm-legacy.o
+obj-$(CONFIG_QCOM_SCM)         += qcom-scm.o
+qcom-scm-objs += qcom_scm.o qcom_scm-smc.o qcom_scm-legacy.o
 obj-$(CONFIG_TI_SCI_PROTOCOL)  += ti_sci.o
 obj-$(CONFIG_TRUSTED_FOUNDATIONS) += trusted_foundations.o
 obj-$(CONFIG_TURRIS_MOX_RWTM)  += turris-mox-rwtm.o
diff --git a/drivers/firmware/qcom_scm.c b/drivers/firmware/qcom_scm.c
index 0e7233a20f34..b5e88bf66975 100644
--- a/drivers/firmware/qcom_scm.c
+++ b/drivers/firmware/qcom_scm.c
@@ -1155,6 +1155,7 @@ static const struct of_device_id qcom_scm_dt_match[] = {
        { .compatible = "qcom,scm" },
        {}
 };
+MODULE_DEVICE_TABLE(of, qcom_scm_dt_match);
 
 static struct platform_driver qcom_scm_driver = {
        .driver = {
@@ -1170,3 +1171,6 @@ static int __init qcom_scm_init(void)
        return platform_driver_register(&qcom_scm_driver);
 }
 subsys_initcall(qcom_scm_init);
+
+MODULE_DESCRIPTION("Qualcomm Technologies, Inc. SCM driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig
index b510f67dfa49..714893535dd2 100644
--- a/drivers/iommu/Kconfig
+++ b/drivers/iommu/Kconfig
@@ -381,6 +381,7 @@ config SPAPR_TCE_IOMMU
 config ARM_SMMU
        tristate "ARM Ltd. System MMU (SMMU) Support"
        depends on (ARM64 || ARM || (COMPILE_TEST && !GENERIC_ATOMIC64)) && MMU
+       depends on QCOM_SCM || !QCOM_SCM #if QCOM_SCM=m this can't be =y
        select IOMMU_API
        select IOMMU_IO_PGTABLE_LPAE
        select ARM_DMA_USE_IOMMU if ARM
@@ -500,6 +501,7 @@ config QCOM_IOMMU
        # Note: iommu drivers cannot (yet?) be built as modules
        bool "Qualcomm IOMMU Support"
        depends on ARCH_QCOM || (COMPILE_TEST && !GENERIC_ATOMIC64)
+       depends on QCOM_SCM=y
        select IOMMU_API
        select IOMMU_IO_PGTABLE_LPAE
        select ARM_DMA_USE_IOMMU
-- 
2.17.1

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