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vfio/platform: Cleanup Kconfig

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Like vfio-pci, there's also a base module here where vfio-amba depends on
vfio-platform, when really it only needs vfio-platform-base.  Create a
sub-menu for platform drivers and a nested menu for reset drivers.  Cleanup
Makefile to make use of new CONFIG_VFIO_PLATFORM_BASE for building the
shared modules and traversing reset modules.

Reviewed-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Link: https://lore.kernel.org/r/20230614193948.477036-3-alex.williamson@redhat.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
This commit is contained in:
Alex Williamson 2023-06-14 13:39:47 -06:00
parent 8cc75183b7
commit 8bee6f00fc
4 changed files with 20 additions and 11 deletions
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2
drivers/vfio/Makefile
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@ -11,6 +11,6 @@ vfio-$(CONFIG_VFIO_VIRQFD) += virqfd.o
obj-$(CONFIG_VFIO_IOMMU_TYPE1) += vfio_iommu_type1.o
obj-$(CONFIG_VFIO_IOMMU_SPAPR_TCE) += vfio_iommu_spapr_tce.o
obj-$(CONFIG_VFIO_PCI_CORE) += pci/
obj-$(CONFIG_VFIO_PLATFORM) += platform/
obj-$(CONFIG_VFIO_PLATFORM_BASE) += platform/
obj-$(CONFIG_VFIO_MDEV) += mdev/
obj-$(CONFIG_VFIO_FSL_MC) += fsl-mc/

18
drivers/vfio/platform/Kconfig
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@ -1,8 +1,14 @@
# SPDX-License-Identifier: GPL-2.0-only
config VFIO_PLATFORM
tristate "VFIO support for platform devices"
menu "VFIO support for platform devices"
depends on ARM || ARM64 || COMPILE_TEST
config VFIO_PLATFORM_BASE
tristate
select VFIO_VIRQFD
config VFIO_PLATFORM
tristate "Generic VFIO support for any platform device"
select VFIO_PLATFORM_BASE
help
Support for platform devices with VFIO. This is required to make
use of platform devices present on the system using the VFIO
@ -10,10 +16,10 @@ config VFIO_PLATFORM
If you don't know what to do here, say N.
if VFIO_PLATFORM
config VFIO_AMBA
tristate "VFIO support for AMBA devices"
depends on ARM_AMBA || COMPILE_TEST
select VFIO_PLATFORM_BASE
help
Support for ARM AMBA devices with VFIO. This is required to make
use of ARM AMBA devices present on the system using the VFIO
@ -21,5 +27,9 @@ config VFIO_AMBA
If you don't know what to do here, say N.
menu "VFIO platform reset drivers"
depends on VFIO_PLATFORM_BASE
source "drivers/vfio/platform/reset/Kconfig"
endif
endmenu
endmenu

9
drivers/vfio/platform/Makefile
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@ -1,13 +1,10 @@
# SPDX-License-Identifier: GPL-2.0
vfio-platform-base-y := vfio_platform_common.o vfio_platform_irq.o
vfio-platform-y := vfio_platform.o
obj-$(CONFIG_VFIO_PLATFORM_BASE) += vfio-platform-base.o
obj-$(CONFIG_VFIO_PLATFORM_BASE) += reset/
vfio-platform-y := vfio_platform.o
obj-$(CONFIG_VFIO_PLATFORM) += vfio-platform.o
obj-$(CONFIG_VFIO_PLATFORM) += vfio-platform-base.o
obj-$(CONFIG_VFIO_PLATFORM) += reset/
vfio-amba-y := vfio_amba.o
obj-$(CONFIG_VFIO_AMBA) += vfio-amba.o
obj-$(CONFIG_VFIO_AMBA) += vfio-platform-base.o
obj-$(CONFIG_VFIO_AMBA) += reset/

2
drivers/vfio/platform/reset/Kconfig
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@ -1,4 +1,5 @@
# SPDX-License-Identifier: GPL-2.0-only
if VFIO_PLATFORM
config VFIO_PLATFORM_CALXEDAXGMAC_RESET
tristate "VFIO support for calxeda xgmac reset"
help
@ -21,3 +22,4 @@ config VFIO_PLATFORM_BCMFLEXRM_RESET
Enables the VFIO platform driver to handle reset for Broadcom FlexRM
If you don't know what to do here, say N.
endif