public-mirrors/linux
1
0
Fork 0
mirror of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2025-08-05 00:34:52 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions
linux/drivers/pci
History
Pali Rohár bc4fac42e5 PCI: aardvark: Fix support for PCI_BRIDGE_CTL_BUS_RESET on emulated bridge 
Aardvark supports PCIe Hot Reset via PCIE_CORE_CTRL1_REG.

Use it for implementing PCI_BRIDGE_CTL_BUS_RESET bit of PCI_BRIDGE_CONTROL
register on emulated bridge.

With this, the function pci_reset_secondary_bus() starts working and can
reset connected PCIe card. Custom userspace script [1] which uses setpci
can trigger PCIe Hot Reset and reset the card manually.

[1] https://alexforencich.com/wiki/en/pcie/hot-reset-linux

Link: https://lore.kernel.org/r/20211028185659.20329-7-kabel@kernel.org
Fixes: 8a3ebd8de3 ("PCI: aardvark: Implement emulated root PCI bridge config space")
Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Marek Behún <kabel@kernel.org>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: stable@vger.kernel.org
2021-10-29 10:25:31 +01:00
..
controller PCI: aardvark: Fix support for PCI_BRIDGE_CTL_BUS_RESET on emulated bridge 2021-10-29 10:25:31 +01:00
endpoint pci-v5.15-changes 2021-09-07 19:13:42 -07:00
hotplug Merge branch 'pci/reset' 2021-09-02 14:56:42 -05:00
pcie pci-v5.15-changes 2021-09-07 19:13:42 -07:00
switch
access.c
ats.c PCI: Allow PASID on fake PCIe devices without TLP prefixes 2021-08-26 14:21:42 -05:00
bus.c
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
irq.c
Kconfig
Makefile
mmap.c
msi.c Updates to the interrupt core and driver subsystems: 2021-08-30 14:38:37 -07:00
of.c PCI: of: Don't fail devm_pci_alloc_host_bridge() on missing 'ranges' 2021-08-04 12:20:00 +01:00
p2pdma.c
pci-acpi.c PCI/ACPI: Don't reset a fwnode set by OF 2021-09-15 16:26:59 -05:00
pci-bridge-emul.c PCI: pci-bridge-emul: Fix emulation of W1C bits 2021-10-29 10:25:31 +01:00
pci-bridge-emul.h PCI: pci-bridge-emul: Add PCIe Root Capabilities Register 2021-08-05 10:51:49 +01:00
pci-driver.c VFIO update for v5.15-rc1 2021-09-02 13:41:33 -07:00
pci-label.c
pci-mid.c
pci-pf-stub.c
pci-stub.c
pci-sysfs.c pci-v5.15-changes 2021-09-07 19:13:42 -07:00
pci.c pci-v5.15-changes 2021-09-07 19:13:42 -07:00
pci.h pci-v5.15-changes 2021-09-07 19:13:42 -07:00
probe.c Merge branch 'remotes/lorenzo/pci/hyper-v' 2021-09-02 14:56:47 -05:00
proc.c pci-v5.15-changes 2021-09-07 19:13:42 -07:00
quirks.c PCI: Add AMD GPU multi-function power dependencies 2021-09-15 16:31:41 -05:00
remove.c PCI: Remove reset_fn field from pci_dev 2021-08-17 17:44:38 -05:00
rom.c
search.c
setup-bus.c
setup-irq.c
setup-res.c
slot.c
syscall.c PCI: Return int from pciconfig_read() syscall 2021-08-03 16:55:48 -05:00
vc.c
vpd.c PCI/VPD: Defer VPD sizing until first access 2021-09-15 16:26:13 -05:00
xen-pcifront.c Merge branch 'stable/for-linus-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb 2021-09-03 10:34:44 -07:00