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authorAndrew Scull <ascull@google.com>2022-04-21 19:10:59 +0300
committerTom Rini <trini@konsulko.com>2022-05-03 22:50:45 +0300
commit30471d5351cf397d2a080fdcb747c7eb354bfab8 (patch)
tree6e94399446351379b63df5b34b4bcef296e31f0e /drivers/virtio
parentf8e7670f8b2a5ba8f25682eee56039fa5f0a20ca (diff)
downloadu-boot-30471d5351cf397d2a080fdcb747c7eb354bfab8.tar.xz
virtio: pci: Allow exclusion of legacy driver
Add a new config to control whether the driver for legacy virtio PCI devices is included in the build. VIRTIO_PCI_LEGACY is included by default when VIRTIO_PCI is selected, but it can also be independently toggled. Signed-off-by: Andrew Scull <ascull@google.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Diffstat (limited to 'drivers/virtio')
-rw-r--r--drivers/virtio/Kconfig9
-rw-r--r--drivers/virtio/Makefile3
2 files changed, 11 insertions, 1 deletions
diff --git a/drivers/virtio/Kconfig b/drivers/virtio/Kconfig
index 863c3fbe02..586263ec88 100644
--- a/drivers/virtio/Kconfig
+++ b/drivers/virtio/Kconfig
@@ -37,6 +37,15 @@ config VIRTIO_PCI
This driver provides support for virtio based paravirtual device
drivers over PCI.
+config VIRTIO_PCI_LEGACY
+ bool "PCI driver for legacy virtio devices"
+ depends on PCI
+ select VIRTIO
+ default VIRTIO_PCI
+ help
+ This driver provides support for legacy virtio based paravirtual
+ device drivers over PCI.
+
config VIRTIO_SANDBOX
bool "Sandbox driver for virtio devices"
depends on SANDBOX
diff --git a/drivers/virtio/Makefile b/drivers/virtio/Makefile
index dc8880937a..4c63a6c690 100644
--- a/drivers/virtio/Makefile
+++ b/drivers/virtio/Makefile
@@ -5,7 +5,8 @@
obj-y += virtio-uclass.o virtio_ring.o
obj-$(CONFIG_VIRTIO_MMIO) += virtio_mmio.o
-obj-$(CONFIG_VIRTIO_PCI) += virtio_pci_legacy.o virtio_pci_modern.o
+obj-$(CONFIG_VIRTIO_PCI) += virtio_pci_modern.o
+obj-$(CONFIG_VIRTIO_PCI_LEGACY) += virtio_pci_legacy.o
obj-$(CONFIG_VIRTIO_SANDBOX) += virtio_sandbox.o
obj-$(CONFIG_VIRTIO_NET) += virtio_net.o
obj-$(CONFIG_VIRTIO_BLK) += virtio_blk.o