Commit 8fe743b5 authored by Arnd Bergmann's avatar Arnd Bergmann Committed by Bjorn Helgaas
Browse files

PCI: Add CONFIG_MMU dependency 

It turns out that there are no platforms that have PCI but don't have an
MMU, so adding a Kconfig dependency on CONFIG_PCI simplifies build testing
kernels for those platforms a lot, and avoids a lot of inadvertent build
regressions.

Add a dependency for CONFIG_PCI and remove all the ones for PCI specific
device drivers that are currently marked not having it.

There are a few platforms that have an optional MMU, but they usually
cannot have PCI at all. The one exception is Coldfire MCF54xx, but this is
mainly for historic reasons, and anyone using those chips should really use
the MMU these days.

Link: https://lore.kernel.org/lkml/a41f1b20-a76c-43d8-8c36-f12744327a54@app.fastmail.com/


Signed-off-by: default avatarArnd Bergmann <arnd@arndb.de>
Signed-off-by: default avatarBjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> # SCSI
Reviewed-by: default avatarThomas Zimmermann <tzimmermann@suse.de>
Acked-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Link: https://patch.msgid.link/20250423202215.3315550-1-arnd@kernel.org
parent a2c6c1c2

drivers/accel/qaic/Kconfig

+0 −1
Original line number Diff line number Diff line
@@ -8,7 +8,6 @@ config DRM_ACCEL_QAIC 
	depends on DRM_ACCEL

	depends on PCI && HAS_IOMEM

	depends on MHI_BUS

	depends on MMU

	select CRC32

	help

	  Enables driver for Qualcomm's Cloud AI accelerator PCIe cards that are

drivers/firewire/Kconfig

+1 −1
Original line number Diff line number Diff line
@@ -83,7 +83,7 @@ config FIREWIRE_KUNIT_SELF_ID_SEQUENCE_HELPER_TEST 


config FIREWIRE_OHCI

	tristate "OHCI-1394 controllers"

	depends on PCI && FIREWIRE && MMU

	depends on PCI && FIREWIRE

	help

	  Enable this driver if you have a FireWire controller based

	  on the OHCI specification.  For all practical purposes, this

drivers/gpu/drm/Kconfig

+1 −1
Original line number Diff line number Diff line
@@ -462,7 +462,7 @@ source "drivers/gpu/drm/imagination/Kconfig" 


config DRM_HYPERV

	tristate "DRM Support for Hyper-V synthetic video device"

	depends on DRM && PCI && MMU && HYPERV

	depends on DRM && PCI && HYPERV

	select DRM_CLIENT_SELECTION

	select DRM_KMS_HELPER

	select DRM_GEM_SHMEM_HELPER

drivers/gpu/drm/amd/amdgpu/Kconfig

+1 −2
Original line number Diff line number Diff line
@@ -2,7 +2,7 @@ 


config DRM_AMDGPU

	tristate "AMD GPU"

	depends on DRM && PCI && MMU

	depends on DRM && PCI

	depends on !UML

	select FW_LOADER

	select DRM_CLIENT
@@ -68,7 +68,6 @@ config DRM_AMDGPU_CIK 
config DRM_AMDGPU_USERPTR

	bool "Always enable userptr write support"

	depends on DRM_AMDGPU

	depends on MMU

	select HMM_MIRROR

	select MMU_NOTIFIER

	help

drivers/gpu/drm/ast/Kconfig

+1 −1
Original line number Diff line number Diff line 
# SPDX-License-Identifier: GPL-2.0-only

config DRM_AST

	tristate "AST server chips"

	depends on DRM && PCI && MMU

	depends on DRM && PCI

	select DRM_CLIENT_SELECTION

	select DRM_GEM_SHMEM_HELPER

	select DRM_KMS_HELPER