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authorBjorn Helgaas <bhelgaas@google.com>2025-06-04 10:50:45 -0500
committerBjorn Helgaas <bhelgaas@google.com>2025-06-04 10:50:45 -0500
commit3de914864c0d53b7c49aaa94e4ccda9e1dd271d7 (patch)
tree9ef9f234eb855982bb57cce3550c083d773165dc /drivers
parentMerge branch 'pci/dt-bindings' (diff)
parentMAINTAINERS: Update Manivannan Sadhasivam email address (diff)
downloadwireguard-linux-3de914864c0d53b7c49aaa94e4ccda9e1dd271d7.tar.xz
wireguard-linux-3de914864c0d53b7c49aaa94e4ccda9e1dd271d7.zip
Merge branch 'pci/misc'
- Drop 'pci' suffix from intel_mid_pci.c filename to match similar files (Andy Shevchenko) - All platforms with PCI have an MMU, so add PCI Kconfig dependency on MMU to simplify build testing and avoid inadvertent build regressions (Arnd Bergmann) - Update driver path in PCI NVMe function documentation (Rick Wertenbroek) - Remove unused pci_printk() (Ilpo Järvinen) - Warn (not BUG()) about failure to assign optional resources (Ilpo Järvinen) - Update Krzysztof Wilczyński's email address in MAINTAINERS (Krzysztof Wilczyński) - Update Manivannan Sadhasivam's email address in MAINTAINERS (Manivannan Sadhasivam) * pci/misc: MAINTAINERS: Update Manivannan Sadhasivam email address MAINTAINERS: Update Krzysztof Wilczyński email address PCI: Remove unnecessary linesplit in __pci_setup_bridge() PCI: WARN (not BUG()) when we fail to assign optional resources PCI: Remove unused pci_printk() Documentation: Fix path for NVMe PCI endpoint target driver PCI: Add CONFIG_MMU dependency x86/PCI: Drop 'pci' suffix from intel_mid_pci.c
Diffstat (limited to 'drivers')
-rw-r--r--drivers/accel/qaic/Kconfig1
-rw-r--r--drivers/firewire/Kconfig2
-rw-r--r--drivers/gpu/drm/Kconfig2
-rw-r--r--drivers/gpu/drm/amd/amdgpu/Kconfig3
-rw-r--r--drivers/gpu/drm/ast/Kconfig2
-rw-r--r--drivers/gpu/drm/gma500/Kconfig2
-rw-r--r--drivers/gpu/drm/hisilicon/hibmc/Kconfig1
-rw-r--r--drivers/gpu/drm/loongson/Kconfig2
-rw-r--r--drivers/gpu/drm/mgag200/Kconfig2
-rw-r--r--drivers/gpu/drm/nouveau/Kconfig3
-rw-r--r--drivers/gpu/drm/qxl/Kconfig2
-rw-r--r--drivers/gpu/drm/radeon/Kconfig2
-rw-r--r--drivers/gpu/drm/tiny/Kconfig2
-rw-r--r--drivers/gpu/drm/vmwgfx/Kconfig2
-rw-r--r--drivers/gpu/drm/xe/Kconfig2
-rw-r--r--drivers/net/ethernet/broadcom/Kconfig1
-rw-r--r--drivers/pci/Kconfig1
-rw-r--r--drivers/pci/pci.c4
-rw-r--r--drivers/pci/setup-bus.c16
-rw-r--r--drivers/scsi/bnx2fc/Kconfig1
-rw-r--r--drivers/scsi/bnx2i/Kconfig1
-rw-r--r--drivers/vfio/pci/Kconfig2
22 files changed, 26 insertions, 30 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 b4f04b0456eb..9098cb4e239a 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -4222,7 +4222,7 @@ 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))
@@ -4255,7 +4255,7 @@ 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/pci/setup-bus.c b/drivers/pci/setup-bus.c
index 54d6f4fa3ce1..cc37cdb5e352 100644
--- a/drivers/pci/setup-bus.c
+++ b/drivers/pci/setup-bus.c
@@ -772,8 +772,7 @@ static void __pci_setup_bridge(struct pci_bus *bus, unsigned long type)
{
struct pci_dev *bridge = bus->self;
- pci_info(bridge, "PCI bridge to %pR\n",
- &bus->busn_res);
+ pci_info(bridge, "PCI bridge to %pR\n", &bus->busn_res);
if (type & IORESOURCE_IO)
pci_setup_bridge_io(bridge);
@@ -2298,8 +2297,8 @@ void pci_assign_unassigned_root_bus_resources(struct pci_bus *bus)
/* Depth last, allocate resources and update the hardware. */
__pci_bus_assign_resources(bus, add_list, &fail_head);
- if (add_list)
- BUG_ON(!list_empty(add_list));
+ if (WARN_ON_ONCE(add_list && !list_empty(add_list)))
+ free_list(add_list);
tried_times++;
/* Any device complain? */
@@ -2361,7 +2360,8 @@ void pci_assign_unassigned_bridge_resources(struct pci_dev *bridge)
pci_bridge_distribute_available_resources(bridge, &add_list);
__pci_bridge_assign_resources(bridge, &add_list, &fail_head);
- BUG_ON(!list_empty(&add_list));
+ if (WARN_ON_ONCE(!list_empty(&add_list)))
+ free_list(&add_list);
tried_times++;
if (list_empty(&fail_head))
@@ -2437,7 +2437,8 @@ int pci_reassign_bridge_resources(struct pci_dev *bridge, unsigned long type)
__pci_bus_size_bridges(bridge->subordinate, &added);
__pci_bridge_assign_resources(bridge, &added, &failed);
- BUG_ON(!list_empty(&added));
+ if (WARN_ON_ONCE(!list_empty(&added)))
+ free_list(&added);
if (!list_empty(&failed)) {
ret = -ENOSPC;
@@ -2493,6 +2494,7 @@ void pci_assign_unassigned_bus_resources(struct pci_bus *bus)
__pci_bus_size_bridges(dev->subordinate, &add_list);
up_read(&pci_bus_sem);
__pci_bus_assign_resources(bus, &add_list, NULL);
- BUG_ON(!list_empty(&add_list));
+ if (WARN_ON_ONCE(!list_empty(&add_list)))
+ free_list(&add_list);
}
EXPORT_SYMBOL_GPL(pci_assign_unassigned_bus_resources);
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