| Message ID | 20250407104025.3421624-1-arnd@kernel.org (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | [RFC] PCI: add CONFIG_MMU dependency | expand |
On 4/7/2025 4:38 AM, Arnd Bergmann wrote: > From: Arnd Bergmann <arnd@arndb.de> > > 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. > > Link: https://lore.kernel.org/lkml/a41f1b20-a76c-43d8-8c36-f12744327a54@app.fastmail.com/ > Signed-off-by: Arnd Bergmann <arnd@arndb.de> > --- > drivers/accel/qaic/Kconfig | 1 - For qaic: Acked-by: Jeff Hugo <jeff.hugo@oss.qualcomm.com>
Arnd, > 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. Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> # SCSI
[Public] > -----Original Message----- > From: Arnd Bergmann <arnd@kernel.org> > Sent: Monday, April 7, 2025 6:38 AM > To: Bjorn Helgaas <bhelgaas@google.com> > Cc: Arnd Bergmann <arnd@arndb.de>; Jeff Hugo > <jeff.hugo@oss.qualcomm.com>; Carl Vanderlip <quic_carlv@quicinc.com>; Oded > Gabbay <ogabbay@kernel.org>; Takashi Sakamoto <o-takashi@sakamocchi.jp>; > Maarten Lankhorst <maarten.lankhorst@linux.intel.com>; Maxime Ripard > <mripard@kernel.org>; Thomas Zimmermann <tzimmermann@suse.de>; David > Airlie <airlied@gmail.com>; Simona Vetter <simona@ffwll.ch>; Deucher, Alexander > <Alexander.Deucher@amd.com>; Koenig, Christian > <Christian.Koenig@amd.com>; Dave Airlie <airlied@redhat.com>; Jocelyn > Falempe <jfalempe@redhat.com>; Patrik Jakobsson > <patrik.r.jakobsson@gmail.com>; Xinliang Liu <xinliang.liu@linaro.org>; Tian Tao > <tiantao6@hisilicon.com>; Xinwei Kong <kong.kongxinwei@hisilicon.com>; Sumit > Semwal <sumit.semwal@linaro.org>; Yongqin Liu <yongqin.liu@linaro.org>; John > Stultz <jstultz@google.com>; Sui Jingfeng <suijingfeng@loongson.cn>; Lyude Paul > <lyude@redhat.com>; Danilo Krummrich <dakr@kernel.org>; Gerd Hoffmann > <kraxel@redhat.com>; Zack Rusin <zack.rusin@broadcom.com>; Broadcom > internal kernel review list <bcm-kernel-feedback-list@broadcom.com>; Lucas De > Marchi <lucas.demarchi@intel.com>; Thomas Hellström > <thomas.hellstrom@linux.intel.com>; Rodrigo Vivi <rodrigo.vivi@intel.com>; > Andrew Lunn <andrew+netdev@lunn.ch>; David S. Miller > <davem@davemloft.net>; Eric Dumazet <edumazet@google.com>; Jakub Kicinski > <kuba@kernel.org>; Paolo Abeni <pabeni@redhat.com>; Saurav Kashyap > <skashyap@marvell.com>; Javed Hasan <jhasan@marvell.com>; GR-QLogic- > Storage-Upstream@marvell.com; James E.J. Bottomley > <James.Bottomley@HansenPartnership.com>; Martin K. Petersen > <martin.petersen@oracle.com>; Nilesh Javali <njavali@marvell.com>; Manish > Rangankar <mrangankar@marvell.com>; Alex Williamson > <alex.williamson@redhat.com>; Geert Uytterhoeven <geert+renesas@glider.be>; > Javier Martinez Canillas <javierm@redhat.com>; Jani Nikula > <jani.nikula@intel.com>; Limonciello, Mario <Mario.Limonciello@amd.com>; > Thomas Weißschuh <linux@weissschuh.net>; Lazar, Lijo <Lijo.Lazar@amd.com>; > Niklas Schnelle <schnelle@linux.ibm.com>; Dmitry Baryshkov > <lumag@kernel.org>; linux-arm-msm@vger.kernel.org; dri- > devel@lists.freedesktop.org; linux-kernel@vger.kernel.org; linux1394- > devel@lists.sourceforge.net; amd-gfx@lists.freedesktop.org; > nouveau@lists.freedesktop.org; virtualization@lists.linux.dev; spice- > devel@lists.freedesktop.org; intel-xe@lists.freedesktop.org; > netdev@vger.kernel.org; linux-pci@vger.kernel.org; linux-scsi@vger.kernel.org; > kvm@vger.kernel.org > Subject: [RFC] PCI: add CONFIG_MMU dependency > > From: Arnd Bergmann <arnd@arndb.de> > > 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. > > Link: https://lore.kernel.org/lkml/a41f1b20-a76c-43d8-8c36- > f12744327a54@app.fastmail.com/ > Signed-off-by: Arnd Bergmann <arnd@arndb.de> For radeon, amdgpu: Acked-by: Alex Deucher <alexander.deucher@amd.com> > --- > drivers/accel/qaic/Kconfig | 1 - > drivers/firewire/Kconfig | 2 +- > drivers/gpu/drm/Kconfig | 2 +- > drivers/gpu/drm/amd/amdgpu/Kconfig | 3 +-- > drivers/gpu/drm/ast/Kconfig | 2 +- > drivers/gpu/drm/gma500/Kconfig | 2 +- > drivers/gpu/drm/hisilicon/hibmc/Kconfig | 1 - > drivers/gpu/drm/loongson/Kconfig | 2 +- > drivers/gpu/drm/mgag200/Kconfig | 2 +- > drivers/gpu/drm/nouveau/Kconfig | 3 +-- > drivers/gpu/drm/qxl/Kconfig | 2 +- > drivers/gpu/drm/radeon/Kconfig | 2 +- > drivers/gpu/drm/tiny/Kconfig | 2 +- > drivers/gpu/drm/vmwgfx/Kconfig | 2 +- > drivers/gpu/drm/xe/Kconfig | 2 +- > drivers/net/ethernet/broadcom/Kconfig | 1 - > drivers/pci/Kconfig | 1 + > drivers/pci/pci.c | 4 ++-- > drivers/scsi/bnx2fc/Kconfig | 1 - > drivers/scsi/bnx2i/Kconfig | 1 - > drivers/vfio/pci/Kconfig | 2 +- > 21 files changed, 17 insertions(+), 23 deletions(-) > > diff --git a/drivers/accel/qaic/Kconfig b/drivers/accel/qaic/Kconfig index > a9f866230058..5e405a19c157 100644 > --- a/drivers/accel/qaic/Kconfig > +++ b/drivers/accel/qaic/Kconfig > @@ -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 > diff --git a/drivers/firewire/Kconfig b/drivers/firewire/Kconfig index > 905c82e26ce7..a5f5e250223a 100644 > --- a/drivers/firewire/Kconfig > +++ b/drivers/firewire/Kconfig > @@ -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 diff --git > a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig index > 2cba2b6ebe1c..6e95d204597e 100644 > --- a/drivers/gpu/drm/Kconfig > +++ b/drivers/gpu/drm/Kconfig > @@ -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 > diff --git a/drivers/gpu/drm/amd/amdgpu/Kconfig > b/drivers/gpu/drm/amd/amdgpu/Kconfig > index 1a11cab741ac..058e3b3ad520 100644 > --- a/drivers/gpu/drm/amd/amdgpu/Kconfig > +++ b/drivers/gpu/drm/amd/amdgpu/Kconfig > @@ -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 > diff --git a/drivers/gpu/drm/ast/Kconfig b/drivers/gpu/drm/ast/Kconfig index > da0663542e8a..242fbccdf844 100644 > --- a/drivers/gpu/drm/ast/Kconfig > +++ b/drivers/gpu/drm/ast/Kconfig > @@ -1,7 +1,7 @@ > # 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 > diff --git a/drivers/gpu/drm/gma500/Kconfig b/drivers/gpu/drm/gma500/Kconfig index > aa2ea128aa2f..a2acaa699dd5 100644 > --- a/drivers/gpu/drm/gma500/Kconfig > +++ b/drivers/gpu/drm/gma500/Kconfig > @@ -1,7 +1,7 @@ > # SPDX-License-Identifier: GPL-2.0-only config DRM_GMA500 > tristate "Intel GMA500/600/3600/3650 KMS Framebuffer" > - depends on DRM && PCI && X86 && MMU && HAS_IOPORT > + depends on DRM && PCI && X86 && HAS_IOPORT > select DRM_CLIENT_SELECTION > select DRM_KMS_HELPER > select FB_IOMEM_HELPERS if DRM_FBDEV_EMULATION diff --git > a/drivers/gpu/drm/hisilicon/hibmc/Kconfig b/drivers/gpu/drm/hisilicon/hibmc/Kconfig > index 98d77d74999d..d1f3f5793f34 100644 > --- a/drivers/gpu/drm/hisilicon/hibmc/Kconfig > +++ b/drivers/gpu/drm/hisilicon/hibmc/Kconfig > @@ -2,7 +2,6 @@ > config DRM_HISI_HIBMC > tristate "DRM Support for Hisilicon Hibmc" > depends on DRM && PCI > - depends on MMU > select DRM_CLIENT_SELECTION > select DRM_DISPLAY_HELPER > select DRM_DISPLAY_DP_HELPER > diff --git a/drivers/gpu/drm/loongson/Kconfig b/drivers/gpu/drm/loongson/Kconfig > index 552edfec7afb..d739d51cf54c 100644 > --- a/drivers/gpu/drm/loongson/Kconfig > +++ b/drivers/gpu/drm/loongson/Kconfig > @@ -2,7 +2,7 @@ > > config DRM_LOONGSON > tristate "DRM support for Loongson Graphics" > - depends on DRM && PCI && MMU > + depends on DRM && PCI > depends on LOONGARCH || MIPS || COMPILE_TEST > select DRM_CLIENT_SELECTION > select DRM_KMS_HELPER > diff --git a/drivers/gpu/drm/mgag200/Kconfig b/drivers/gpu/drm/mgag200/Kconfig > index 412dcbea0e2d..a962ae564a75 100644 > --- a/drivers/gpu/drm/mgag200/Kconfig > +++ b/drivers/gpu/drm/mgag200/Kconfig > @@ -1,7 +1,7 @@ > # SPDX-License-Identifier: GPL-2.0-only config DRM_MGAG200 > tristate "Matrox G200" > - depends on DRM && PCI && MMU > + depends on DRM && PCI > select DRM_CLIENT_SELECTION > select DRM_GEM_SHMEM_HELPER > select DRM_KMS_HELPER > diff --git a/drivers/gpu/drm/nouveau/Kconfig b/drivers/gpu/drm/nouveau/Kconfig > index 7b3e979c51ec..d1587639ebb0 100644 > --- a/drivers/gpu/drm/nouveau/Kconfig > +++ b/drivers/gpu/drm/nouveau/Kconfig > @@ -1,7 +1,7 @@ > # SPDX-License-Identifier: GPL-2.0-only config DRM_NOUVEAU > tristate "Nouveau (NVIDIA) cards" > - depends on DRM && PCI && MMU > + depends on DRM && PCI > select IOMMU_API > select FW_LOADER > select FW_CACHE if PM_SLEEP > @@ -94,7 +94,6 @@ config DRM_NOUVEAU_SVM > bool "(EXPERIMENTAL) Enable SVM (Shared Virtual Memory) support" > depends on DEVICE_PRIVATE > depends on DRM_NOUVEAU > - depends on MMU > depends on STAGING > select HMM_MIRROR > select MMU_NOTIFIER > diff --git a/drivers/gpu/drm/qxl/Kconfig b/drivers/gpu/drm/qxl/Kconfig index > 69427eb8bed2..d8f24bcae34b 100644 > --- a/drivers/gpu/drm/qxl/Kconfig > +++ b/drivers/gpu/drm/qxl/Kconfig > @@ -1,7 +1,7 @@ > # SPDX-License-Identifier: GPL-2.0-only config DRM_QXL > tristate "QXL virtual GPU" > - depends on DRM && PCI && MMU && HAS_IOPORT > + depends on DRM && PCI && HAS_IOPORT > select DRM_CLIENT_SELECTION > select DRM_KMS_HELPER > select DRM_TTM > diff --git a/drivers/gpu/drm/radeon/Kconfig b/drivers/gpu/drm/radeon/Kconfig index > f51bace9555d..c479f0c0dd5c 100644 > --- a/drivers/gpu/drm/radeon/Kconfig > +++ b/drivers/gpu/drm/radeon/Kconfig > @@ -2,7 +2,7 @@ > > config DRM_RADEON > tristate "ATI Radeon" > - depends on DRM && PCI && MMU > + depends on DRM && PCI > depends on AGP || !AGP > select FW_LOADER > select DRM_CLIENT_SELECTION > diff --git a/drivers/gpu/drm/tiny/Kconfig b/drivers/gpu/drm/tiny/Kconfig index > 54c84c9801c1..6ca12fe7f57a 100644 > --- a/drivers/gpu/drm/tiny/Kconfig > +++ b/drivers/gpu/drm/tiny/Kconfig > @@ -37,7 +37,7 @@ config DRM_BOCHS > > config DRM_CIRRUS_QEMU > tristate "Cirrus driver for QEMU emulated device" > - depends on DRM && PCI && MMU > + depends on DRM && PCI > select DRM_CLIENT_SELECTION > select DRM_KMS_HELPER > select DRM_GEM_SHMEM_HELPER > diff --git a/drivers/gpu/drm/vmwgfx/Kconfig b/drivers/gpu/drm/vmwgfx/Kconfig index > 6c3c2922ae8b..aab646b91ca9 100644 > --- a/drivers/gpu/drm/vmwgfx/Kconfig > +++ b/drivers/gpu/drm/vmwgfx/Kconfig > @@ -1,7 +1,7 @@ > # SPDX-License-Identifier: GPL-2.0 > config DRM_VMWGFX > tristate "DRM driver for VMware Virtual GPU" > - depends on DRM && PCI && MMU > + depends on DRM && PCI > depends on (X86 && HYPERVISOR_GUEST) || ARM64 > select DRM_CLIENT_SELECTION > select DRM_TTM > diff --git a/drivers/gpu/drm/xe/Kconfig b/drivers/gpu/drm/xe/Kconfig index > 5c2f459a2925..2dec62737ff6 100644 > --- a/drivers/gpu/drm/xe/Kconfig > +++ b/drivers/gpu/drm/xe/Kconfig > @@ -1,7 +1,7 @@ > # SPDX-License-Identifier: GPL-2.0-only config DRM_XE > tristate "Intel Xe Graphics" > - depends on DRM && PCI && MMU && (m || (y && KUNIT=y)) > + depends on DRM && PCI && (m || (y && KUNIT=y)) > select INTERVAL_TREE > # we need shmfs for the swappable backing store, and in particular > # the shmem_readpage() which depends upon tmpfs diff --git > a/drivers/net/ethernet/broadcom/Kconfig b/drivers/net/ethernet/broadcom/Kconfig > index eeec8bf17cf4..aa43984a05cf 100644 > --- a/drivers/net/ethernet/broadcom/Kconfig > +++ b/drivers/net/ethernet/broadcom/Kconfig > @@ -96,7 +96,6 @@ config BNX2 > config CNIC > tristate "QLogic CNIC support" > depends on PCI && (IPV6 || IPV6=n) > - depends on MMU > select BNX2 > select UIO > help > diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig index > da28295b4aac..9c0e4aaf4e8c 100644 > --- a/drivers/pci/Kconfig > +++ b/drivers/pci/Kconfig > @@ -21,6 +21,7 @@ config GENERIC_PCI_IOMAP menuconfig PCI > bool "PCI support" > depends on HAVE_PCI > + depends on MMU > help > This option enables support for the PCI local bus, including > support for PCI-X and the foundations for PCI Express support. > diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 4d7c9f64ea24..60a20a0ac41f > 100644 > --- a/drivers/pci/pci.c > +++ b/drivers/pci/pci.c > @@ -4257,7 +4257,7 @@ unsigned long __weak pci_address_to_pio(phys_addr_t > address) #ifndef pci_remap_iospace int pci_remap_iospace(const struct resource > *res, phys_addr_t phys_addr) { -#if defined(PCI_IOBASE) && > defined(CONFIG_MMU) > +#if defined(PCI_IOBASE) > unsigned long vaddr = (unsigned long)PCI_IOBASE + res->start; > > if (!(res->flags & IORESOURCE_IO)) > @@ -4290,7 +4290,7 @@ EXPORT_SYMBOL(pci_remap_iospace); > */ > void pci_unmap_iospace(struct resource *res) { -#if defined(PCI_IOBASE) && > defined(CONFIG_MMU) > +#if defined(PCI_IOBASE) > unsigned long vaddr = (unsigned long)PCI_IOBASE + res->start; > > vunmap_range(vaddr, vaddr + resource_size(res)); diff --git > a/drivers/scsi/bnx2fc/Kconfig b/drivers/scsi/bnx2fc/Kconfig index > ecdc0f0f4f4e..3cf7e08df809 100644 > --- a/drivers/scsi/bnx2fc/Kconfig > +++ b/drivers/scsi/bnx2fc/Kconfig > @@ -5,7 +5,6 @@ config SCSI_BNX2X_FCOE > depends on (IPV6 || IPV6=n) > depends on LIBFC > depends on LIBFCOE > - depends on MMU > select NETDEVICES > select ETHERNET > select NET_VENDOR_BROADCOM > diff --git a/drivers/scsi/bnx2i/Kconfig b/drivers/scsi/bnx2i/Kconfig index > 0cc06c2ce0b8..75ace2302fed 100644 > --- a/drivers/scsi/bnx2i/Kconfig > +++ b/drivers/scsi/bnx2i/Kconfig > @@ -4,7 +4,6 @@ config SCSI_BNX2_ISCSI > depends on NET > depends on PCI > depends on (IPV6 || IPV6=n) > - depends on MMU > select SCSI_ISCSI_ATTRS > select NETDEVICES > select ETHERNET > diff --git a/drivers/vfio/pci/Kconfig b/drivers/vfio/pci/Kconfig index > c3bcb6911c53..2b0172f54665 100644 > --- a/drivers/vfio/pci/Kconfig > +++ b/drivers/vfio/pci/Kconfig > @@ -1,6 +1,6 @@ > # SPDX-License-Identifier: GPL-2.0-only menu "VFIO support for PCI devices" > - depends on PCI && MMU > + depends on PCI > > config VFIO_PCI_CORE > tristate > -- > 2.39.5
diff --git a/drivers/accel/qaic/Kconfig b/drivers/accel/qaic/Kconfig index a9f866230058..5e405a19c157 100644 --- a/drivers/accel/qaic/Kconfig +++ b/drivers/accel/qaic/Kconfig @@ -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 diff --git a/drivers/firewire/Kconfig b/drivers/firewire/Kconfig index 905c82e26ce7..a5f5e250223a 100644 --- a/drivers/firewire/Kconfig +++ b/drivers/firewire/Kconfig @@ -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 diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig index 2cba2b6ebe1c..6e95d204597e 100644 --- a/drivers/gpu/drm/Kconfig +++ b/drivers/gpu/drm/Kconfig @@ -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 diff --git a/drivers/gpu/drm/amd/amdgpu/Kconfig b/drivers/gpu/drm/amd/amdgpu/Kconfig index 1a11cab741ac..058e3b3ad520 100644 --- a/drivers/gpu/drm/amd/amdgpu/Kconfig +++ b/drivers/gpu/drm/amd/amdgpu/Kconfig @@ -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 diff --git a/drivers/gpu/drm/ast/Kconfig b/drivers/gpu/drm/ast/Kconfig index da0663542e8a..242fbccdf844 100644 --- a/drivers/gpu/drm/ast/Kconfig +++ b/drivers/gpu/drm/ast/Kconfig @@ -1,7 +1,7 @@ # 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 diff --git a/drivers/gpu/drm/gma500/Kconfig b/drivers/gpu/drm/gma500/Kconfig index aa2ea128aa2f..a2acaa699dd5 100644 --- a/drivers/gpu/drm/gma500/Kconfig +++ b/drivers/gpu/drm/gma500/Kconfig @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0-only config DRM_GMA500 tristate "Intel GMA500/600/3600/3650 KMS Framebuffer" - depends on DRM && PCI && X86 && MMU && HAS_IOPORT + depends on DRM && PCI && X86 && HAS_IOPORT select DRM_CLIENT_SELECTION select DRM_KMS_HELPER select FB_IOMEM_HELPERS if DRM_FBDEV_EMULATION diff --git a/drivers/gpu/drm/hisilicon/hibmc/Kconfig b/drivers/gpu/drm/hisilicon/hibmc/Kconfig index 98d77d74999d..d1f3f5793f34 100644 --- a/drivers/gpu/drm/hisilicon/hibmc/Kconfig +++ b/drivers/gpu/drm/hisilicon/hibmc/Kconfig @@ -2,7 +2,6 @@ config DRM_HISI_HIBMC tristate "DRM Support for Hisilicon Hibmc" depends on DRM && PCI - depends on MMU select DRM_CLIENT_SELECTION select DRM_DISPLAY_HELPER select DRM_DISPLAY_DP_HELPER diff --git a/drivers/gpu/drm/loongson/Kconfig b/drivers/gpu/drm/loongson/Kconfig index 552edfec7afb..d739d51cf54c 100644 --- a/drivers/gpu/drm/loongson/Kconfig +++ b/drivers/gpu/drm/loongson/Kconfig @@ -2,7 +2,7 @@ config DRM_LOONGSON tristate "DRM support for Loongson Graphics" - depends on DRM && PCI && MMU + depends on DRM && PCI depends on LOONGARCH || MIPS || COMPILE_TEST select DRM_CLIENT_SELECTION select DRM_KMS_HELPER diff --git a/drivers/gpu/drm/mgag200/Kconfig b/drivers/gpu/drm/mgag200/Kconfig index 412dcbea0e2d..a962ae564a75 100644 --- a/drivers/gpu/drm/mgag200/Kconfig +++ b/drivers/gpu/drm/mgag200/Kconfig @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0-only config DRM_MGAG200 tristate "Matrox G200" - depends on DRM && PCI && MMU + depends on DRM && PCI select DRM_CLIENT_SELECTION select DRM_GEM_SHMEM_HELPER select DRM_KMS_HELPER diff --git a/drivers/gpu/drm/nouveau/Kconfig b/drivers/gpu/drm/nouveau/Kconfig index 7b3e979c51ec..d1587639ebb0 100644 --- a/drivers/gpu/drm/nouveau/Kconfig +++ b/drivers/gpu/drm/nouveau/Kconfig @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0-only config DRM_NOUVEAU tristate "Nouveau (NVIDIA) cards" - depends on DRM && PCI && MMU + depends on DRM && PCI select IOMMU_API select FW_LOADER select FW_CACHE if PM_SLEEP @@ -94,7 +94,6 @@ config DRM_NOUVEAU_SVM bool "(EXPERIMENTAL) Enable SVM (Shared Virtual Memory) support" depends on DEVICE_PRIVATE depends on DRM_NOUVEAU - depends on MMU depends on STAGING select HMM_MIRROR select MMU_NOTIFIER diff --git a/drivers/gpu/drm/qxl/Kconfig b/drivers/gpu/drm/qxl/Kconfig index 69427eb8bed2..d8f24bcae34b 100644 --- a/drivers/gpu/drm/qxl/Kconfig +++ b/drivers/gpu/drm/qxl/Kconfig @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0-only config DRM_QXL tristate "QXL virtual GPU" - depends on DRM && PCI && MMU && HAS_IOPORT + depends on DRM && PCI && HAS_IOPORT select DRM_CLIENT_SELECTION select DRM_KMS_HELPER select DRM_TTM diff --git a/drivers/gpu/drm/radeon/Kconfig b/drivers/gpu/drm/radeon/Kconfig index f51bace9555d..c479f0c0dd5c 100644 --- a/drivers/gpu/drm/radeon/Kconfig +++ b/drivers/gpu/drm/radeon/Kconfig @@ -2,7 +2,7 @@ config DRM_RADEON tristate "ATI Radeon" - depends on DRM && PCI && MMU + depends on DRM && PCI depends on AGP || !AGP select FW_LOADER select DRM_CLIENT_SELECTION diff --git a/drivers/gpu/drm/tiny/Kconfig b/drivers/gpu/drm/tiny/Kconfig index 54c84c9801c1..6ca12fe7f57a 100644 --- a/drivers/gpu/drm/tiny/Kconfig +++ b/drivers/gpu/drm/tiny/Kconfig @@ -37,7 +37,7 @@ config DRM_BOCHS config DRM_CIRRUS_QEMU tristate "Cirrus driver for QEMU emulated device" - depends on DRM && PCI && MMU + depends on DRM && PCI select DRM_CLIENT_SELECTION select DRM_KMS_HELPER select DRM_GEM_SHMEM_HELPER diff --git a/drivers/gpu/drm/vmwgfx/Kconfig b/drivers/gpu/drm/vmwgfx/Kconfig index 6c3c2922ae8b..aab646b91ca9 100644 --- a/drivers/gpu/drm/vmwgfx/Kconfig +++ b/drivers/gpu/drm/vmwgfx/Kconfig @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 config DRM_VMWGFX tristate "DRM driver for VMware Virtual GPU" - depends on DRM && PCI && MMU + depends on DRM && PCI depends on (X86 && HYPERVISOR_GUEST) || ARM64 select DRM_CLIENT_SELECTION select DRM_TTM diff --git a/drivers/gpu/drm/xe/Kconfig b/drivers/gpu/drm/xe/Kconfig index 5c2f459a2925..2dec62737ff6 100644 --- a/drivers/gpu/drm/xe/Kconfig +++ b/drivers/gpu/drm/xe/Kconfig @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0-only config DRM_XE tristate "Intel Xe Graphics" - depends on DRM && PCI && MMU && (m || (y && KUNIT=y)) + depends on DRM && PCI && (m || (y && KUNIT=y)) select INTERVAL_TREE # we need shmfs for the swappable backing store, and in particular # the shmem_readpage() which depends upon tmpfs diff --git a/drivers/net/ethernet/broadcom/Kconfig b/drivers/net/ethernet/broadcom/Kconfig index eeec8bf17cf4..aa43984a05cf 100644 --- a/drivers/net/ethernet/broadcom/Kconfig +++ b/drivers/net/ethernet/broadcom/Kconfig @@ -96,7 +96,6 @@ config BNX2 config CNIC tristate "QLogic CNIC support" depends on PCI && (IPV6 || IPV6=n) - depends on MMU select BNX2 select UIO help diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig index da28295b4aac..9c0e4aaf4e8c 100644 --- a/drivers/pci/Kconfig +++ b/drivers/pci/Kconfig @@ -21,6 +21,7 @@ config GENERIC_PCI_IOMAP menuconfig PCI bool "PCI support" depends on HAVE_PCI + depends on MMU help This option enables support for the PCI local bus, including support for PCI-X and the foundations for PCI Express support. diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 4d7c9f64ea24..60a20a0ac41f 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -4257,7 +4257,7 @@ unsigned long __weak pci_address_to_pio(phys_addr_t address) #ifndef pci_remap_iospace int pci_remap_iospace(const struct resource *res, phys_addr_t phys_addr) { -#if defined(PCI_IOBASE) && defined(CONFIG_MMU) +#if defined(PCI_IOBASE) unsigned long vaddr = (unsigned long)PCI_IOBASE + res->start; if (!(res->flags & IORESOURCE_IO)) @@ -4290,7 +4290,7 @@ EXPORT_SYMBOL(pci_remap_iospace); */ void pci_unmap_iospace(struct resource *res) { -#if defined(PCI_IOBASE) && defined(CONFIG_MMU) +#if defined(PCI_IOBASE) unsigned long vaddr = (unsigned long)PCI_IOBASE + res->start; vunmap_range(vaddr, vaddr + resource_size(res)); diff --git a/drivers/scsi/bnx2fc/Kconfig b/drivers/scsi/bnx2fc/Kconfig index ecdc0f0f4f4e..3cf7e08df809 100644 --- a/drivers/scsi/bnx2fc/Kconfig +++ b/drivers/scsi/bnx2fc/Kconfig @@ -5,7 +5,6 @@ config SCSI_BNX2X_FCOE depends on (IPV6 || IPV6=n) depends on LIBFC depends on LIBFCOE - depends on MMU select NETDEVICES select ETHERNET select NET_VENDOR_BROADCOM diff --git a/drivers/scsi/bnx2i/Kconfig b/drivers/scsi/bnx2i/Kconfig index 0cc06c2ce0b8..75ace2302fed 100644 --- a/drivers/scsi/bnx2i/Kconfig +++ b/drivers/scsi/bnx2i/Kconfig @@ -4,7 +4,6 @@ config SCSI_BNX2_ISCSI depends on NET depends on PCI depends on (IPV6 || IPV6=n) - depends on MMU select SCSI_ISCSI_ATTRS select NETDEVICES select ETHERNET diff --git a/drivers/vfio/pci/Kconfig b/drivers/vfio/pci/Kconfig index c3bcb6911c53..2b0172f54665 100644 --- a/drivers/vfio/pci/Kconfig +++ b/drivers/vfio/pci/Kconfig @@ -1,6 +1,6 @@ # SPDX-License-Identifier: GPL-2.0-only menu "VFIO support for PCI devices" - depends on PCI && MMU + depends on PCI config VFIO_PCI_CORE tristate