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linux/drivers/pci
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Ilpo Järvinen fb0171a4c0 PCI: Make link retraining use RMW accessors for changing LNKCTL 
Don't assume that the device is fully under the control of PCI core.  Use
RMW capability accessors in link retraining which do proper locking to
avoid losing concurrent updates to the register values.

Suggested-by: Lukas Wunner <lukas@wunner.de>
Fixes: 4ec73791a64b ("PCI: Work around Pericom PCIe-to-PCI bridge Retrain Link erratum")
Fixes: 7d715a6c1ae5 ("PCI: add PCI Express ASPM support")
Link: https://lore.kernel.org/r/20230717120503.15276-3-ilpo.jarvinen@linux.intel.com
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: "Rafael J. Wysocki" <rafael@kernel.org>
2023-08-10 11:13:22 -05:00
..
controller
dmaengine updates for v6.5
2023-07-06 09:48:31 -07:00
endpoint
Fixes for pci_clean_master, error handling in driver inits, and various
2023-07-09 09:35:51 -07:00
hotplug
Merge branch 'pci/hotplug'
2023-06-26 12:59:56 -05:00
msi
PCI/MSI: Remove over-zealous hardware size check in pci_msix_validate_entries()
2023-04-16 14:11:51 +02:00
pcie
Merge branch 'pci/enumeration'
2023-06-26 12:59:56 -05:00
switch
driver core: class: remove module * from class_create()
2023-03-17 15:16:33 +01:00
access.c
PCI: Add locking to RMW PCI Express Capability Register accessors
2023-08-10 11:12:09 -05:00
ats.c
PCI: Enable PASID only when ACS RR & UF enabled on upstream path
2022-11-03 15:47:47 +01:00
bus.c
pci-v6.4-changes
2023-04-27 10:45:30 -07:00
doe.c
PCI/DOE: Relax restrictions on request and response size
2023-04-18 10:36:58 -07:00
ecam.c
…
host-bridge.c
PCI: VMD: ACPI: Make ACPI companion lookup work for VMD bus
2021-09-02 17:59:58 +02:00
iov.c
PCI/IOV: Enlarge virtfn sysfs name buffer
2023-01-18 10:54:41 -06:00
irq.c
PCI: Check for alloc failure in pci_request_irq()
2022-11-21 16:55:18 -06:00
Kconfig
scatterlist: add dedicated config for DMA flags
2023-06-19 16:19:22 -07:00
Makefile
PCI/DOE: Add DOE mailbox support functions
2022-07-19 15:38:04 -07:00
mmap.c
PCI: Remove pci_mmap_page_range() wrapper
2022-07-29 12:08:44 -05:00
of.c
PCI: of: Propagate firmware node by calling device_set_node()
2023-06-06 17:15:45 -05:00
p2pdma.c
PCI/P2PDMA: Fix pci_p2pmem_find_many() kernel-doc
2023-04-06 16:37:51 -05:00
pci-acpi.c
PCI/ACPI: Call _REG when transitioning D-states
2023-06-23 12:28:08 -05:00
pci-bridge-emul.c
PCI: pci-bridge-emul: Set position of PCI capabilities to real HW value
2022-08-25 12:07:56 +02:00
pci-bridge-emul.h
PCI: pci-bridge-emul: Set position of PCI capabilities to real HW value
2022-08-25 12:07:56 +02:00
pci-driver.c
PCI/PM: Drop pci_bridge_wait_for_secondary_bus() timeout parameter
2023-04-11 17:35:06 -05:00
pci-label.c
…
pci-mid.c
PCI: PM: Do not use pci_platform_pm_ops for Intel MID PM
2021-09-27 17:13:21 +02:00
pci-pf-stub.c
…
pci-stub.c
PCI: pci_stub: Set driver_managed_dma
2022-04-28 15:32:20 +02:00
pci-sysfs.c
driver core: bus: mark the struct bus_type for sysfs callbacks as constant
2023-03-23 13:20:40 +01:00
pci.c
PCI: Make link retraining use RMW accessors for changing LNKCTL
2023-08-10 11:13:22 -05:00
pci.h
Merge branch 'pci/pm'
2023-06-26 12:59:56 -05:00
probe.c
PCI: Add locking to RMW PCI Express Capability Register accessors
2023-08-10 11:12:09 -05:00
proc.c
PCI: Remove pci_mmap_page_range() wrapper
2022-07-29 12:08:44 -05:00
quirks.c
pci-v6.5-changes
2023-06-30 15:06:45 -07:00
remove.c
cxl for v6.4
2023-04-30 11:51:51 -07:00
rom.c
PCI: Prefer 'unsigned int' over bare 'unsigned'
2021-10-27 13:41:22 -05:00
search.c
…
setup-bus.c
PCI: Make pci_bus_for_each_resource() index optional
2023-04-05 15:10:09 -05:00
setup-irq.c
PCI: Tidy comments
2021-09-28 13:43:17 -05:00
setup-res.c
PCI: Introduce pci_dev_for_each_resource()
2023-04-04 10:43:52 -05:00
slot.c
PCI/sysfs: Constify struct kobj_type pci_slot_ktype
2023-02-16 12:00:25 -06:00
syscall.c
PCI: Return int from pciconfig_read() syscall
2021-08-03 16:55:48 -05:00
vc.c
…
vgaarb.c
PCI: Introduce pci_dev_for_each_resource()
2023-04-04 10:43:52 -05:00
vpd.c
PCI/VPD: Use pci_read_vpd_any() in pci_vpd_size()
2021-10-25 19:12:23 -05:00
xen-pcifront.c
PCI: Introduce pci_dev_for_each_resource()
2023-04-04 10:43:52 -05:00