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Subject[PATCH V4 1/3] virtio: don't prompt CONFIG_VIRTIO_PCI_MODERN
Date
We used to prompt CONFIG_VIRTIO_PCI_MODERN to user which may bring a
lot of confusion. E.g it may break various default configs which want
virtio devices.

So this patch fixes this by hiding the prompot and documenting the
dependency. While at it, rename the module to VIRTIO_PCI_LIB.

Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Anders Roxell <anders.roxell@linaro.org>
Cc: Guenter Roeck <linux@roeck-us.net>
Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org>
Fixes: 86b87c9d858b6 ("virtio-pci: introduce modern device module")
Signed-off-by: Jason Wang <jasowang@redhat.com>
---
drivers/virtio/Kconfig | 11 ++++++-----
drivers/virtio/Makefile | 2 +-
2 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/drivers/virtio/Kconfig b/drivers/virtio/Kconfig
index 6b9b81f4b8c2..ce1b3f6ec325 100644
--- a/drivers/virtio/Kconfig
+++ b/drivers/virtio/Kconfig
@@ -12,13 +12,13 @@ config ARCH_HAS_RESTRICTED_VIRTIO_MEMORY_ACCESS
This option is selected if the architecture may need to enforce
VIRTIO_F_ACCESS_PLATFORM

-config VIRTIO_PCI_MODERN
- tristate "Modern Virtio PCI Device"
- depends on PCI
+config VIRTIO_PCI_LIB
+ tristate
help
Modern PCI device implementation. This module implements the
basic probe and control for devices which are based on modern
- PCI device with possible vendor specific extensions.
+ PCI device with possible vendor specific extensions. Any
+ module that selects this module must depend on PCI.

menuconfig VIRTIO_MENU
bool "Virtio drivers"
@@ -28,7 +28,8 @@ if VIRTIO_MENU

config VIRTIO_PCI
tristate "PCI driver for virtio devices"
- depends on VIRTIO_PCI_MODERN
+ depends on PCI
+ select VIRTIO_PCI_LIB
select VIRTIO
help
This driver provides support for virtio based paravirtual device
diff --git a/drivers/virtio/Makefile b/drivers/virtio/Makefile
index f097578aaa8f..699bbea0465f 100644
--- a/drivers/virtio/Makefile
+++ b/drivers/virtio/Makefile
@@ -1,6 +1,6 @@
# SPDX-License-Identifier: GPL-2.0
obj-$(CONFIG_VIRTIO) += virtio.o virtio_ring.o
-obj-$(CONFIG_VIRTIO_PCI_MODERN) += virtio_pci_modern_dev.o
+obj-$(CONFIG_VIRTIO_PCI_LIB) += virtio_pci_modern_dev.o
obj-$(CONFIG_VIRTIO_MMIO) += virtio_mmio.o
obj-$(CONFIG_VIRTIO_PCI) += virtio_pci.o
virtio_pci-y := virtio_pci_modern.o virtio_pci_common.o
--
2.25.1
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