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Code Issues Releases Packages Activity
linux/drivers/pci
History
Manivannan Sadhasivam 52ec1cae52 PCI: pciehp: Add Qualcomm quirk for Command Completed erratum 
[ Upstream commit 82b34b0800 ]

The Qualcomm PCI bridge device (Device ID 0x010e) found in chipsets such as
SC8280XP used in Lenovo Thinkpad X13s, does not set the Command Completed
bit unless writes to the Slot Command register change "Control" bits.

This results in timeouts like below during boot and resume from suspend:

  pcieport 0002:00:00.0: pciehp: Timeout on hotplug command 0x03c0 (issued 2020 msec ago)
  ...
  pcieport 0002:00:00.0: pciehp: Timeout on hotplug command 0x13f1 (issued 107724 msec ago)

Add the device to the Command Completed quirk to mark commands "completed"
immediately unless they change the "Control" bits.

Link: https://lore.kernel.org/r/20230213144922.89982-1-manivannan.sadhasivam@linaro.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2023-03-11 13:55:40 +01:00
..
controller PCI: loongson: Add more devices that need MRRS quirk 2023-03-11 13:55:39 +01:00
endpoint PCI: endpoint: pci-epf-vntb: Add epf_ntb_mw_bar_clear() num_mws kernel-doc 2023-03-10 09:33:31 +01:00
hotplug PCI: pciehp: Add Qualcomm quirk for Command Completed erratum 2023-03-11 13:55:40 +01:00
msi PCI/MSI: Correct 'can_mask' test in msi_add_msi_desc() 2022-08-26 10:47:54 -05:00
pcie PCI/DPC: Await readiness of secondary bus after reset 2023-03-10 09:34:31 +01:00
switch PCI: switchtec: Return -EFAULT for copy_to_user() errors 2023-03-10 09:33:31 +01:00
access.c PCI: Reduce warnings on possible RW1C corruption 2022-03-04 15:59:52 -06:00
ats.c PCI: Allow PASID on fake PCIe devices without TLP prefixes 2021-08-26 14:21:42 -05:00
bus.c PCI: Add device even if driver attach failed 2020-07-07 17:33:41 -05:00
doe.c PCI/DOE: Fix maximum data object length miscalculation 2023-01-07 11:11:46 +01:00
ecam.c PCI: Dynamically map ECAM regions 2021-06-16 17:20:40 -05:00
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 2023-03-10 09:33:31 +01:00
irq.c PCI: Check for alloc failure in pci_request_irq() 2022-12-31 13:32:33 +01:00
Kconfig cxl for 6.0 2022-08-10 11:07:26 -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 IOMMU Updates for Linux v5.19 2022-05-31 09:56:54 -07:00
p2pdma.c PCI/P2PDMA: Use for_each_pci_dev() helper 2022-09-19 13:44:38 -05:00
pci-acpi.c PCI/ACPI: Account for _S0W of the target bridge in acpi_pci_bridge_d3() 2023-03-11 13:55:33 +01:00
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: Unify delay handling for reset and resume 2023-03-10 09:34:30 +01:00
pci-label.c PCI/sysfs: Use sysfs_emit() and sysfs_emit_at() in "show" functions 2021-06-03 22:14:47 -05:00
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/IOV: Simplify pci-pf-stub with module_pci_driver() 2020-09-17 12:40:20 -05:00
pci-stub.c PCI: pci_stub: Set driver_managed_dma 2022-04-28 15:32:20 +02:00
pci-sysfs.c PCI/sysfs: Fix double free in error path 2023-01-07 11:11:53 +01:00
pci.c PCI: loongson: Prevent LS7A MRRS increases 2023-03-11 13:55:35 +01:00
pci.h PCI/DPC: Await readiness of secondary bus after reset 2023-03-10 09:34:31 +01:00
probe.c PCI: Fix dropping valid root bus resources with .end = zero 2023-03-10 09:33:38 +01:00
proc.c PCI: Remove pci_mmap_page_range() wrapper 2022-07-29 12:08:44 -05:00
quirks.c PCI: Add ACS quirk for Wangxun NICs 2023-03-11 13:55:39 +01:00
remove.c PCI: Remove reset_fn field from pci_dev 2021-08-17 17:44:38 -05:00
rom.c PCI: Prefer 'unsigned int' over bare 'unsigned' 2021-10-27 13:41:22 -05:00
search.c PCI: Remove WARN_ON(in_interrupt()) 2021-02-10 16:46:29 -06:00
setup-bus.c PCI: Distribute available resources for root buses, too 2023-03-11 13:55:38 +01:00
setup-irq.c PCI: Tidy comments 2021-09-28 13:43:17 -05:00
setup-res.c PCI: Sanitise firmware BAR assignments behind a PCI-PCI bridge 2022-09-21 17:52:47 -05:00
slot.c PCI/sysfs: Use default_groups in kobj_type for slot attrs 2021-12-29 13:42:04 -06:00
syscall.c PCI: Return int from pciconfig_read() syscall 2021-08-03 16:55:48 -05:00
vc.c PCI: Fix kerneldoc warnings 2020-08-05 18:23:14 -05:00
vgaarb.c PCI/VGA: Replace full MIT license text with SPDX identifier 2022-03-09 18:31:34 -06:00
vpd.c PCI/VPD: Use pci_read_vpd_any() in pci_vpd_size() 2021-10-25 19:12:23 -05:00
xen-pcifront.c xen/pcifront: move xenstore config scanning into sub-function 2022-10-07 07:36:44 +02:00