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Since no PCIe controller drivers call this, this change is not required
for now. But, Renesas R-Car Gen4 PCIe controller driver will call this
and if the controller driver is built as a kernel module, the following
build error happens:
ERROR: modpost: "dw_pcie_write_dbi2" [drivers/pci/controller/dwc/pcie-rcar-gen4-host-drv.ko] undefined!
So, expose dw_pcie_write_dbi2() for it.
Link: https://lore.kernel.org/linux-pci/[email protected]
Signed-off-by: Yoshihiro Shimoda <[email protected]>
Signed-off-by: Krzysztof Wilczyński <[email protected]>
Reviewed-by: Serge Semin <[email protected]>
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Since no PCIe controller drivers call this, this change is not required
for now. But, Renesas R-Car Gen4 PCIe controller driver will call this
and if the controller driver is built as a kernel module, the following
build error happens:
ERROR: modpost: "dw_pcie_ep_exit" [drivers/pci/controller/dwc/pcie-rcar-gen4-ep-drv.ko] undefined!
So, expose dw_pcie_ep_exit() for it.
Link: https://lore.kernel.org/linux-pci/[email protected]
Signed-off-by: Yoshihiro Shimoda <[email protected]>
Signed-off-by: Krzysztof Wilczyński <[email protected]>
Reviewed-by: Manivannan Sadhasivam <[email protected]>
Reviewed-by: Serge Semin <[email protected]>
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Renesas R-Car Gen4 PCIe controllers have an unexpected register value in
the eDMA CTRL register.
So, add a new capability flag "EDMA_UNROLL" which would force the unrolled
eDMA mapping for the problematic device.
Suggested-by: Serge Semin <[email protected]>
Link: https://lore.kernel.org/linux-pci/[email protected]
Signed-off-by: Yoshihiro Shimoda <[email protected]>
Signed-off-by: Krzysztof Wilczyński <[email protected]>
Reviewed-by: Manivannan Sadhasivam <[email protected]>
Reviewed-by: Serge Semin <[email protected]>
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The commit 24ede430fa49 ("PCI: designware-ep: Add multiple PFs support
for DWC") added .func_conf_select() to get the configuration space of
different PFs and assumed that the offsets between dbi and dbi2 would
be the same.
However, Renesas R-Car Gen4 PCIe controllers have different offsets of
function 1: dbi (+0x1000) and dbi2 (+0x800). To get the offset for dbi2,
add .get_dbi2_offset() and dw_pcie_ep_get_dbi2_offset().
Note:
- .func_conf_select() should be renamed later.
- dw_pcie_ep_get_dbi2_offset() will call .func_conf_select()
if .get_dbi2_offset() doesn't exist for backward compatibility.
- dw_pcie_writeX_{dbi/dbi2} APIs accepted the func_no argument,
so that these offset calculations are contained in the API
definitions itself as it should.
Link: https://lore.kernel.org/linux-pci/[email protected]
Signed-off-by: Yoshihiro Shimoda <[email protected]>
Signed-off-by: Krzysztof Wilczyński <[email protected]>
Reviewed-by: Manivannan Sadhasivam <[email protected]>
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dw_pcie_setup() is already setting PCI_EXP_LNKCAP_MLW to pcie->num_lanes
in the PCI_EXP_LNKCAP register for programming maximum link width.
Hence, remove the redundant setting here.
Link: https://lore.kernel.org/linux-pci/[email protected]
Signed-off-by: Yoshihiro Shimoda <[email protected]>
Signed-off-by: Krzysztof Wilczyński <[email protected]>
Reviewed-by: Manivannan Sadhasivam <[email protected]>
Reviewed-by: Serge Semin <[email protected]>
Cc: Thierry Reding <[email protected]>
Cc: Jonathan Hunter <[email protected]>
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Update dw_pcie_link_set_max_link_width() to set PCI_EXP_LNKCAP_MLW.
In accordance with the DW PCIe RC/EP HW manuals [1,2,3,...] aside with
the PORT_LINK_CTRL_OFF.LINK_CAPABLE and GEN2_CTRL_OFF.NUM_OF_LANES[8:0]
field there is another one which needs to be updated.
It's LINK_CAPABILITIES_REG.PCIE_CAP_MAX_LINK_WIDTH. If it isn't done at
the very least the maximum link-width capability CSR won't expose the
actual maximum capability.
[1] DesignWare Cores PCI Express Controller Databook - DWC PCIe Root Port,
Version 4.60a, March 2015, p.1032
[2] DesignWare Cores PCI Express Controller Databook - DWC PCIe Root Port,
Version 4.70a, March 2016, p.1065
[3] DesignWare Cores PCI Express Controller Databook - DWC PCIe Root Port,
Version 4.90a, March 2016, p.1057
...
[X] DesignWare Cores PCI Express Controller Databook - DWC PCIe Endpoint,
Version 5.40a, March 2019, p.1396
[X+1] DesignWare Cores PCI Express Controller Databook - DWC PCIe Root Port,
Version 5.40a, March 2019, p.1266
Suggested-by: Serge Semin <[email protected]>
Link: https://lore.kernel.org/linux-pci/[email protected]
Signed-off-by: Yoshihiro Shimoda <[email protected]>
Signed-off-by: Krzysztof Wilczyński <[email protected]>
Reviewed-by: Manivannan Sadhasivam <[email protected]>
Reviewed-by: Serge Semin <[email protected]>
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This is a preparation before adding the Max-Link-width capability
setup which would in its turn complete the max-link-width setup
procedure defined by Synopsys in the HW-manual.
Seeing there is a max-link-speed setup method defined in the DW PCIe
core driver it would be good to have a similar function for the link
width setup.
That's why we need to define a dedicated function first from already
implemented but incomplete link-width setting up code.
Link: https://lore.kernel.org/linux-pci/[email protected]
Signed-off-by: Yoshihiro Shimoda <[email protected]>
Signed-off-by: Krzysztof Wilczyński <[email protected]>
Reviewed-by: Manivannan Sadhasivam <[email protected]>
Reviewed-by: Serge Semin <[email protected]>
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ASPM is supported by Qcom host controllers/bridges on most of the recent
platforms and so the devices tested so far. But for enabling ASPM by
default (without using Kconfig, kernel command-line or sysfs), BIOS has
to enable ASPM on both host bridge and downstream devices during boot.
Unfortunately, none of the BIOS available on Qcom platforms enables
ASPM. Due to this, the platforms making use of Qcom SoCs draw high power
during runtime.
To fix this power draw issue, users have to enable ASPM using Kconfig,
kernel command-line, sysfs or the BIOS has to start enabling ASPM.
The latter may happen in the future, but that won't address the issue on
current platforms. Also, asking users to enable a feature to get the power
management right would provide an unpleasant out-of-the-box experience.
So the apt solution is to enable ASPM in the controller driver itself. And
this is being accomplished by calling pci_enable_link_state() in the newly
introduced host_post_init() callback for all the devices connected to the
bus. This function enables all supported link low power states for both
host bridge and the downstream devices.
Due to limited testing, ASPM is only enabled for platforms making use of
ops_1_9_0 callbacks.
[kwilczynski: commit log]
Link: https://lore.kernel.org/linux-pci/[email protected]
Signed-off-by: Manivannan Sadhasivam <[email protected]>
Signed-off-by: Krzysztof Wilczyński <[email protected]>
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This callback can be used by the platform drivers to do configuration
once all the devices are scanned. Like changing LNKCTL of all downstream
devices to enable ASPM etc...
Link: https://lore.kernel.org/linux-pci/[email protected]
Signed-off-by: Manivannan Sadhasivam <[email protected]>
Signed-off-by: Krzysztof Wilczyński <[email protected]>
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PCIe speed returned by the PCIE_SPEED2MBS_ENC() macro is in Mbps. So
instead of converting it to MBps explicitly and using the MBps_to_icc()
macro, let's use the Mbps_to_icc() macro to pass the value directly.
Link: https://lore.kernel.org/linux-pci/[email protected]
Signed-off-by: Manivannan Sadhasivam <[email protected]>
Signed-off-by: Krzysztof Wilczyński <[email protected]>
Reviewed-by: Konrad Dybcio <[email protected]>
Cc: Vidya Sagar <[email protected]>
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Instead of hardcoding the link speed in MBps, use existing
PCIE_SPEED2MBS_ENC() macro that does the encoding of the link speed for
us. Also, let's Wrap it with QCOM_PCIE_LINK_SPEED_TO_BW() macro to do
the conversion to ICC speed.
This eliminates the need for a switch case in qcom_pcie_icc_update() and
also works for future Gen speeds without any code modifications.
Suggested-by: Bjorn Helgaas <[email protected]>
Link: https://lore.kernel.org/linux-pci/[email protected]
Signed-off-by: Manivannan Sadhasivam <[email protected]>
Signed-off-by: Krzysztof Wilczyński <[email protected]>
Reviewed-by: Konrad Dybcio <[email protected]>
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Instead of hardcoding the link speed in MBps, use existing
PCIE_SPEED2MBS_ENC() macro that does the encoding of the link speed for
us. Also, let's Wrap it with QCOM_PCIE_LINK_SPEED_TO_BW() macro to do
the conversion to ICC speed.
This eliminates the need for a switch case in qcom_pcie_icc_update() and
also works for future Gen speeds without any code modifications.
Suggested-by: Bjorn Helgaas <[email protected]>
Link: https://lore.kernel.org/linux-pci/[email protected]
Signed-off-by: Manivannan Sadhasivam <[email protected]>
Signed-off-by: Krzysztof Wilczyński <[email protected]>
Reviewed-by: Konrad Dybcio <[email protected]>
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Use FIELD_GET() to extract PCIe Negotiated Link Width field instead of
custom masking and shifting.
Similarly, change custom code that misleadingly used
PCI_EXP_LNKSTA_NLW_SHIFT to prepare value for PCI_EXP_LNKCAP write
to use FIELD_PREP() with correct field define (PCI_EXP_LNKCAP_MLW).
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Ilpo Järvinen <[email protected]>
Signed-off-by: Bjorn Helgaas <[email protected]>
Reviewed-by: Jonathan Cameron <[email protected]>
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The __init annotation makes the ks_pcie_probe() function disappear after
booting completes. However a device can also be bound later. In that case,
we try to call ks_pcie_probe(), but the backing memory is likely already
overwritten.
The right thing to do is do always have the probe callback available. Note
that the (wrong) __refdata annotation prevented this issue to be noticed by
modpost.
Fixes: 0c4ffcfe1fbc ("PCI: keystone: Add TI Keystone PCIe driver")
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Uwe Kleine-König <[email protected]>
Signed-off-by: Bjorn Helgaas <[email protected]>
Cc: [email protected]
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With CONFIG_PCIE_KEYSTONE=y and ks_pcie_remove() marked with __exit, the
function is discarded from the driver. In this case a bound device can
still get unbound, e.g via sysfs. Then no cleanup code is run resulting in
resource leaks or worse.
The right thing to do is do always have the remove callback available.
Note that this driver cannot be compiled as a module, so ks_pcie_remove()
was always discarded before this change and modpost couldn't warn about
this issue. Furthermore the __ref annotation also prevents a warning.
Fixes: 0c4ffcfe1fbc ("PCI: keystone: Add TI Keystone PCIe driver")
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Uwe Kleine-König <[email protected]>
Signed-off-by: Bjorn Helgaas <[email protected]>
Cc: [email protected]
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With CONFIG_PCIE_KIRIN=y and kirin_pcie_remove() marked with __exit, the
function is discarded from the driver. In this case a bound device can
still get unbound, e.g via sysfs. Then no cleanup code is run resulting in
resource leaks or worse.
The right thing to do is do always have the remove callback available.
This fixes the following warning by modpost:
drivers/pci/controller/dwc/pcie-kirin: section mismatch in reference: kirin_pcie_driver+0x8 (section: .data) -> kirin_pcie_remove (section: .exit.text)
(with ARCH=x86_64 W=1 allmodconfig).
Fixes: 000f60db784b ("PCI: kirin: Add support for a PHY layer")
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Uwe Kleine-König <[email protected]>
Signed-off-by: Bjorn Helgaas <[email protected]>
Cc: [email protected]
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With CONFIG_PCI_EXYNOS=y and exynos_pcie_remove() marked with __exit, the
function is discarded from the driver. In this case a bound device can
still get unbound, e.g via sysfs. Then no cleanup code is run resulting in
resource leaks or worse.
The right thing to do is do always have the remove callback available.
This fixes the following warning by modpost:
WARNING: modpost: drivers/pci/controller/dwc/pci-exynos: section mismatch in reference: exynos_pcie_driver+0x8 (section: .data) -> exynos_pcie_remove (section: .exit.text)
(with ARCH=x86_64 W=1 allmodconfig).
Fixes: 340cba6092c2 ("pci: Add PCIe driver for Samsung Exynos")
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Uwe Kleine-König <[email protected]>
Signed-off-by: Bjorn Helgaas <[email protected]>
Reviewed-by: Alim Akhtar <[email protected]>
Cc: [email protected]
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Set DMA mask and coherent DMA mask to enable 64-bit addressing.
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Guanhua Gao <[email protected]>
Signed-off-by: Hou Zhiqiang <[email protected]>
Signed-off-by: Frank Li <[email protected]>
Signed-off-by: Lorenzo Pieralisi <[email protected]>
Reviewed-by: Christoph Hellwig <[email protected]>
Acked-by: Manivannan Sadhasivam <[email protected]>
Acked-by: Roy Zang <[email protected]>
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Replace literals under drivers/pci/ with PCI_HEADER_TYPE_MASK,
PCI_HEADER_TYPE_NORMAL, and PCI_HEADER_TYPE_MFD.
Also replace !! boolean conversions with FIELD_GET().
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Ilpo Järvinen <[email protected]>
Signed-off-by: Bjorn Helgaas <[email protected]>
Reviewed-by: Wolfram Sang <[email protected]> # for Renesas R-Car
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PARF_SLV_ADDR_SPACE_SIZE_2_3_3 is used by qcom_pcie_post_init_2_3_3().
This PCIe slave address space size register offset is 0x358 but was
incorrectly changed to 0x16c by 39171b33f652 ("PCI: qcom: Remove PCIE20_
prefix from register definitions").
This prevented access to slave address space registers like iATU, etc.,
so the IPQ8074 PCIe controller was not enumerated.
Revert back to the correct 0x358 offset and remove the unused
PARF_SLV_ADDR_SPACE_SIZE_2_3_3.
Fixes: 39171b33f652 ("PCI: qcom: Remove PCIE20_ prefix from register definitions")
Link: https://lore.kernel.org/r/[email protected]
Tested-by: Robert Marko <[email protected]>
Signed-off-by: Sricharan Ramabadhran <[email protected]>
[bhelgaas: commit log]
Signed-off-by: Bjorn Helgaas <[email protected]>
Reviewed-by: Manivannan Sadhasivam <[email protected]>
Reviewed-by: Konrad Dybcio <[email protected]>
Cc: [email protected] # v6.4+
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git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Pull PCI updates from Bjorn Helgaas:
"Enumeration:
- Add locking to read/modify/write PCIe Capability Register accessors
for Link Control and Root Control
- Use pci_dev_id() when possible instead of manually composing ID
from dev->bus->number and dev->devfn
Resource management:
- Move prototypes for __weak sysfs resource files to linux/pci.h to
fix 'no previous prototype' warnings
- Make more I/O port accesses depend on HAS_IOPORT
- Use devm_platform_get_and_ioremap_resource() instead of open-coding
platform_get_resource() followed by devm_ioremap_resource()
Power management:
- Ensure devices are powered up while accessing VPD
- If device is powered-up, keep it that way while polling for PME
- Only read PCI_PM_CTRL register when available, to avoid reading the
wrong register and corrupting dev->current_state
Virtualization:
- Avoid Secondary Bus Reset on NVIDIA T4 GPUs
Error handling:
- Remove unused pci_disable_pcie_error_reporting()
- Unexport pci_enable_pcie_error_reporting(), used only by aer.c
- Unexport pcie_port_bus_type, used only by PCI core
VGA:
- Simplify and clean up typos in VGA arbiter
Apple PCIe controller driver:
- Initialize pcie->nvecs (number of available MSIs) before use
Broadcom iProc PCIe controller driver:
- Use of_property_read_bool() instead of low-level accessors for
boolean properties
Broadcom STB PCIe controller driver:
- Assert PERST# when probing BCM2711 because some bootloaders don't
do it
Freescale i.MX6 PCIe controller driver:
- Add .host_deinit() callback so we can clean up things like
regulators on probe failure or driver unload
Freescale Layerscape PCIe controller driver:
- Add support for link-down notification so the endpoint driver can
process LINK_DOWN events
- Add suspend/resume support, including manual
PME_Turn_off/PME_TO_Ack handshake
- Save Link Capabilities during probe so they can be restored when
handling a link-up event, since the controller loses the Link Width
and Link Speed values during reset
Intel VMD host bridge driver:
- Fix disable of bridge windows during domain reset; previously we
cleared the base/limit registers, which actually left the windows
enabled
Marvell MVEBU PCIe controller driver:
- Remove unused busn member
Microchip PolarFlare PCIe controller driver:
- Fix interrupt bit definitions so the SEC and DED interrupt handlers
work correctly
- Make driver buildable as a module
- Read FPGA MSI configuration parameters from hardware instead of
hard-coding them
Microsoft Hyper-V host bridge driver:
- To avoid a NULL pointer dereference, skip MSI restore after
hibernate if MSI/MSI-X hasn't been enabled
NVIDIA Tegra194 PCIe controller driver:
- Revert 'PCI: tegra194: Enable support for 256 Byte payload' because
Linux doesn't know how to reduce MPS from to 256 to 128 bytes for
endpoints below a switch (because other devices below the switch
might already be operating), which leads to 'Malformed TLP' errors
Qualcomm PCIe controller driver:
- Add DT and driver support for interconnect bandwidth voting for
'pcie-mem' and 'cpu-pcie' interconnects
- Fix broken SDX65 'compatible' DT property
- Configure controller so MHI bus master clock will be switched off
while in ASPM L1.x states
- Use alignment restriction from EPF core in EPF MHI driver
- Add Endpoint eDMA support
- Add MHI eDMA support
- Add Snapdragon SM8450 support to the EPF MHI driversupport
- Add MHI eDMA support
- Add Snapdragon SM8450 support to the EPF MHI driversupport
- Add MHI eDMA support
- Add Snapdragon SM8450 support to the EPF MHI driversupport
- Add MHI eDMA support
- Add Snapdragon SM8450 support to the EPF MHI driver
- Use iATU for EPF MHI transfers smaller than 4K to avoid eDMA setup
latency
- Add sa8775p DT binding and driver support
Rockchip PCIe controller driver:
- Use 64-bit mask on MSI 64-bit PCI address to avoid zeroing out the
upper 32 bits
SiFive FU740 PCIe controller driver:
- Set the supported number of MSI vectors so we can use all available
MSI interrupts
Synopsys DesignWare PCIe controller driver:
- Add generic dwc suspend/resume APIs (dw_pcie_suspend_noirq() and
dw_pcie_resume_noirq()) to be called by controller driver
suspend/resume ops, and a controller callback to send PME_Turn_Off
MicroSemi Switchtec management driver:
- Add support for PCIe Gen5 devices
Miscellaneous:
- Reorder and compress to reduce size of struct pci_dev
- Fix race in DOE destroy_work_on_stack()
- Add stubs to avoid casts between incompatible function types
- Explicitly include correct DT includes to untangle headers"
* tag 'pci-v6.6-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci: (96 commits)
PCI: qcom-ep: Add ICC bandwidth voting support
dt-bindings: PCI: qcom: ep: Add interconnects path
PCI: qcom-ep: Treat unknown IRQ events as an error
dt-bindings: PCI: qcom: Fix SDX65 compatible
PCI: endpoint: Add kernel-doc for pci_epc_mem_init() API
PCI: epf-mhi: Use iATU for small transfers
PCI: epf-mhi: Add support for SM8450
PCI: epf-mhi: Add eDMA support
PCI: qcom-ep: Add eDMA support
PCI: epf-mhi: Make use of the alignment restriction from EPF core
PCI/PM: Only read PCI_PM_CTRL register when available
PCI: qcom: Add support for sa8775p SoC
dt-bindings: PCI: qcom: Add sa8775p compatible
PCI: qcom-ep: Pass alignment restriction to the EPF core
PCI: Simplify pcie_capability_clear_and_set_word() control flow
PCI: Tidy config space save/restore messages
PCI: Fix code formatting inconsistencies
PCI: Fix typos in docs and comments
PCI: Fix pci_bus_resetable(), pci_slot_resetable() name typos
PCI: Simplify pci_dev_driver()
...
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- Reorder struct pci_dev to avoid holes and reduce size (Christophe
JAILLET)
- Change pdev->rom_attr_enabled to single bit since it's only a boolean
value (Christophe JAILLET)
- Use struct_size() in pirq_convert_irt_table() instead of hand-writing it
(Christophe JAILLET)
- Explicitly include correct DT includes to untangle headers (Rob Herring)
- Fix a DOE race between destroy_work_on_stack() and the stack-allocated
task->work struct going out of scope in pci_doe() (Ira Weiny)
- Use pci_dev_id() when possible instead of manually composing ID from
dev->bus->number and dev->devfn (Xiongfeng Wang, Zheng Zengkai)
- Move pci_create_resource_files() declarations to linux/pci.h for alpha
build warnings (Arnd Bergmann)
- Remove unused hotplug function declarations (Yue Haibing)
- Remove unused mvebu struct mvebu_pcie.busn (Pali Rohár)
- Unexport pcie_port_bus_type (Bjorn Helgaas)
- Remove unnecessary sysfs ID local variable initialization (Bjorn Helgaas)
- Fix BAR value printk formatting to accommodate 32-bit values (Bjorn
Helgaas)
- Use consistent pointer types for config access syscall get_user() and
put_user() uses (Bjorn Helgaas)
- Simplify AER_RECOVER_RING_SIZE definition (Bjorn Helgaas)
- Simplify pci_pio_to_address() (Bjorn Helgaas)
- Simplify pci_dev_driver() (Bjorn Helgaas)
- Fix pci_bus_resetable(), pci_slot_resetable() name typos (Bjorn Helgaas)
- Fix code and doc typos and code formatting (Bjorn Helgaas)
- Tidy config space save/restore messages (Bjorn Helgaas)
* pci/misc:
PCI: Tidy config space save/restore messages
PCI: Fix code formatting inconsistencies
PCI: Fix typos in docs and comments
PCI: Fix pci_bus_resetable(), pci_slot_resetable() name typos
PCI: Simplify pci_dev_driver()
PCI: Simplify pci_pio_to_address()
PCI/AER: Simplify AER_RECOVER_RING_SIZE definition
PCI: Use consistent put_user() pointer types
PCI: Fix printk field formatting
PCI: Remove unnecessary initializations
PCI: Unexport pcie_port_bus_type
PCI: mvebu: Remove unused busn member
PCI: Remove unused function declarations
PCI/sysfs: Move declarations to linux/pci.h
PCI/P2PDMA: Use pci_dev_id() to simplify the code
PCI/IOV: Use pci_dev_id() to simplify the code
PCI/AER: Use pci_dev_id() to simplify the code
PCI: apple: Use pci_dev_id() to simplify the code
PCI/DOE: Fix destroy_work_on_stack() race
PCI: Explicitly include correct DT includes
x86/PCI: Use struct_size() in pirq_convert_irt_table()
PCI: Change pdev->rom_attr_enabled to single bit
PCI: Reorder pci_dev fields to reduce holes
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- Use Use devm_platform_get_and_ioremap_resource() instead of open-coding
platform_get_resource() followed by devm_ioremap_resource() (Yang Li)
* pci/controller/resources:
PCI: imx6: Use devm_platform_get_and_ioremap_resource()
PCI: xgene-msi: Use devm_platform_get_and_ioremap_resource()
PCI: v3: Use devm_platform_get_and_ioremap_resource()
PCI: rcar-gen2: Use devm_platform_get_and_ioremap_resource()
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- Add stubs for devm action functions that call clk_disable_unprepare() to
avoid casts between incompatible function types (Krzysztof Wilczyński)
* pci/controller/remove-void-cast:
PCI: microchip: Remove cast between incompatible function type
PCI: keembay: Remove cast between incompatible function type
PCI: meson: Remove cast between incompatible function type
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- Revert "PCI: tegra194: Enable support for 256 Byte payload" because Linux
doesn't know how to reduce MPS from to 256 to 128 bytes for Endpoints
below a Switch (because other devices below the Switch might already be
operating), which leads to Malformed TLP errors (Vidya Sagar)
* pci/controller/tegra194:
Revert "PCI: tegra194: Enable support for 256 Byte payload"
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- Log unknown Qcom Endpoint IRQ events at error level, not debug level
(Manivannan Sadhasivam)
- Add DT and driver support for qcom interconnect bandwidth voting for
"pcie-mem" and "cpu-pcie" interconnects (Krishna chaitanya chundru)
* pci/controller/qcom-ep:
PCI: qcom-ep: Add ICC bandwidth voting support
dt-bindings: PCI: qcom: ep: Add interconnects path
PCI: qcom-ep: Treat unknown IRQ events as an error
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- Pass the Qcom Endpoint 4K alignment requirement for outbound windows to
the EPF core so EPF drivers can use it (Manivannan Sadhasivam)
- Use alignment restriction from EPF core in Qcom EPF MHI driver
(Manivannan Sadhasivam)
- Add Qcom Endpoint eDMA support by enabling the eDMA IRQ (Manivannan
Sadhasivam)
- Add Qcom MHI eDMA support (Manivannan Sadhasivam)
- Add Qcom Snapdragon SM8450 support to the EPF MHI driver (Manivannan
Sadhasivam)
- Use iATU for EPF MHI transfers smaller than 4K to avoid eDMA setup
latency (Manivannan Sadhasivam)
- Add pci_epc_mem_init() kernel-doc (Manivannan Sadhasivam)
* pci/controller/qcom-edma:
PCI: endpoint: Add kernel-doc for pci_epc_mem_init() API
PCI: epf-mhi: Use iATU for small transfers
PCI: epf-mhi: Add support for SM8450
PCI: epf-mhi: Add eDMA support
PCI: qcom-ep: Add eDMA support
PCI: epf-mhi: Make use of the alignment restriction from EPF core
PCI: qcom-ep: Pass alignment restriction to the EPF core
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- Configure controller so MHI bus master clock will be switched off while
in ASPM L1.x states (Manivannan Sadhasivam)
- Add sa8775p DT binding and driver support (Mrinmay Sarkar)
- Fix broken DT SDX65 "compatible" property (Krzysztof Kozlowski)
* pci/controller/qcom:
dt-bindings: PCI: qcom: Fix SDX65 compatible
PCI: qcom: Add support for sa8775p SoC
dt-bindings: PCI: qcom: Add sa8775p compatible
PCI: qcom-ep: Switch MHI bus master clock off during L1SS
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- Add support for link-down notification so the endpoint driver can process
LINK_DOWN events (Frank Li)
- Save Link Capabilities during probe so they can be restored when handling
a link-up event, since the controller loses the Link Width and Link Speed
values during reset (Xiaowei Bao)
* pci/controller/layerscape:
PCI: layerscape: Add workaround for lost link capabilities during reset
PCI: layerscape: Add support for link-down notification
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- Set the supported number of MSI vectors so we can use all available MSI
interrupts (Yong-Xuan Wang)
* pci/controller/fu740:
PCI: fu740: Set the number of MSI vectors
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Add support for voting interconnect (ICC) bandwidth based
on the link speed and width.
This commit is inspired from the basic interconnect support added
to pcie-qcom driver in commit c4860af88d0c ("PCI: qcom: Add basic
interconnect support").
The interconnect support is kept optional to be backward compatible
with legacy device trees.
[kwilczynski: add missing kernel-doc for the icc_mem variable]
Link: https://lore.kernel.org/linux-pci/[email protected]
Signed-off-by: Krishna chaitanya chundru <[email protected]>
Signed-off-by: Krzysztof Wilczyński <[email protected]>
Reviewed-by: Manivannan Sadhasivam <[email protected]>
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Sometimes, the Qcom PCIe EP controller can receive some interrupts
unknown to the driver, like safety interrupts in newer SoCs. In those
cases, if the driver doesn't clear the interrupts, it will end up in an
interrupt storm. However, the users will not know about it because the
log is treated as a debug message.
So let's treat the unknown event log as an error so that it at least
makes the user aware, thereby getting fixed eventually.
[kwilczynski: commit log]
Link: https://lore.kernel.org/linux-pci/[email protected]
Signed-off-by: Manivannan Sadhasivam <[email protected]>
Signed-off-by: Krzysztof Wilczyński <[email protected]>
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Qualcomm PCIe Endpoint controllers have the in-built Embedded DMA (eDMA)
peripheral for offloading the data transfer between the PCIe bus and
memory.
Let's add support for it by enabling the eDMA IRQ in the driver. The
eDMA DMA Engine driver will handle the rest of the functionality.
Since the eDMA on Qualcomm platforms only uses a single IRQ for all
channels, use 1 for edma.nr_irqs.
[kwilczynski: commit log]
Link: https://lore.kernel.org/linux-pci/[email protected]
Signed-off-by: Manivannan Sadhasivam <[email protected]>
Signed-off-by: Krzysztof Wilczyński <[email protected]>
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Add support for sa8775p SoC that uses controller version 5.90
reusing the 1.9.0 config.
Link: https://lore.kernel.org/linux-pci/[email protected]
Signed-off-by: Mrinmay Sarkar <[email protected]>
Signed-off-by: Krzysztof Wilczyński <[email protected]>
Reviewed-by: Bjorn Andersson <[email protected]>
Reviewed-by: Manivannan Sadhasivam <[email protected]>
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Qcom PCIe EP controllers have 4K alignment restriction for the outbound
window address. Hence, pass this info to the EPF core so that the EPF
drivers can make use of this info.
Link: https://lore.kernel.org/linux-pci/[email protected]
Signed-off-by: Manivannan Sadhasivam <[email protected]>
Signed-off-by: Krzysztof Wilczyński <[email protected]>
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Add PME_Turn_off/PME_TO_Ack handshake sequence for ls1028a platform.
Implemented on top of common dwc dw_pcie_suspend(resume)_noirq()
functions to handle system enter/exit suspend states.
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Hou Zhiqiang <[email protected]>
Signed-off-by: Frank Li <[email protected]>
Signed-off-by: Lorenzo Pieralisi <[email protected]>
Acked-by: Manivannan Sadhasivam <[email protected]>
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Introduce an helper function (dw_pcie_get_ltssm()) to retrieve
SMLH_LTSS_STATE.
Add common dw_pcie_suspend(resume)_noirq() API to implement the DWC
controller generic suspend/resume functionality.
Add a controller specific callback to send the PME_Turn_Off message
(ie .pme_turn_off) for controller platform specific PME handling.
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Frank Li <[email protected]>
[[email protected]: commit log]
Signed-off-by: Lorenzo Pieralisi <[email protected]>
Acked-by: Manivannan Sadhasivam <[email protected]>
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The endpoint controller loses the Maximum Link Width and Supported Link Speed
value from the Link Capabilities Register - initially configured by the Reset
Configuration Word (RCW) - during a link-down or hot reset event.
Address this issue in the endpoint event handler.
Link: https://lore.kernel.org/r/[email protected]
Fixes: a805770d8a22 ("PCI: layerscape: Add EP mode support")
Signed-off-by: Xiaowei Bao <[email protected]>
Signed-off-by: Hou Zhiqiang <[email protected]>
Signed-off-by: Frank Li <[email protected]>
Signed-off-by: Lorenzo Pieralisi <[email protected]>
Acked-by: Manivannan Sadhasivam <[email protected]>
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Add support to pass link-down notification to the endpoint function
driver so that it can process the LINK_DOWN event.
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Frank Li <[email protected]>
Signed-off-by: Lorenzo Pieralisi <[email protected]>
Acked-by: Manivannan Sadhasivam <[email protected]>
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The iMSI-RX module of the DW PCIe controller provides multiple sets of
MSI_CTRL_INT_i_* registers, and each set is capable of handling 32 MSI
interrupts. However, the fu740 PCIe controller driver only enabled one set
of MSI_CTRL_INT_i_* registers, as the total number of supported interrupts
was not specified.
Set the supported number of MSI vectors to enable all the MSI_CTRL_INT_i_*
registers on the fu740 PCIe core, allowing the system to fully utilize the
available MSI interrupts.
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Yong-Xuan Wang <[email protected]>
Signed-off-by: Lorenzo Pieralisi <[email protected]>
Reviewed-by: Serge Semin <[email protected]>
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The i.MX integration for the DesignWare PCI controller has a _host_exit()
operation which undoes everything that the _host_init() operation does but
does not wire this up as the host_deinit callback for the core, or call it
in any path other than suspend. This means that if we ever unwind the
initial probe of the device, for example because it fails, the regulator
core complains that the regulators for the device were left enabled:
imx6q-pcie 33800000.pcie: iATU: unroll T, 4 ob, 4 ib, align 64K, limit 16G
imx6q-pcie 33800000.pcie: Phy link never came up
imx6q-pcie 33800000.pcie: Phy link never came up
imx6q-pcie: probe of 33800000.pcie failed with error -110
------------[ cut here ]------------
WARNING: CPU: 2 PID: 46 at drivers/regulator/core.c:2396 _regulator_put+0x110/0x128
Wire up the callback so that the core can clean up after itself.
Link: https://lore.kernel.org/r/[email protected]
Tested-by: Fabio Estevam <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
Signed-off-by: Lorenzo Pieralisi <[email protected]>
Reviewed-by: Richard Zhu <[email protected]>
Acked-by: Manivannan Sadhasivam <[email protected]>
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After commit 4fb8e46c1bc4 ("PCI: tegra194: Enable support for 256 Byte
payload"), we initialize MPS=256 for tegra194 Root Ports before enumerating
the hierarchy.
Consider an Endpoint that supports only MPS=128. In the default situation
(CONFIG_PCIE_BUS_DEFAULT set and no "pci=pcie_bus_*" parameter), Linux
tries to configure the MPS of every device to match the upstream bridge.
If the Endpoint is directly below the Root Port, Linux can reduce the Root
Port MPS to 128 to match the Endpoint. But if there's a switch in the
middle, Linux doesn't reduce the Root Port MPS because other devices below
the switch may already be configured with MPS larger than 128.
This scenario results in uncorrectable Malformed TLP errors if the Root
Port sends TLPs with payloads larger than 128 bytes. These errors can
be avoided by using the "pci=pcie_bus_safe" parameter, but it doesn't
seem to be a good idea to always have this parameter even for basic
functionality to work.
Revert commit 4fb8e46c1bc4 ("PCI: tegra194: Enable support for 256 Byte
payload") so the Root Ports default to MPS=128, which all devices
support.
If peer-to-peer DMA is not required, one can use "pci=pcie_bus_perf" to
get the benefit of larger MPS settings.
[bhelgaas: commit log; kwilczynski: retain "u16 val_16" declaration at
the top, add missing acked by tag]
Fixes: 4fb8e46c1bc4 ("PCI: tegra194: Enable support for 256 Byte payload")
Link: https://lore.kernel.org/linux-pci/[email protected]
Signed-off-by: Vidya Sagar <[email protected]>
Signed-off-by: Krzysztof Wilczyński <[email protected]>
Acked-by: Jon Hunter <[email protected]>
Cc: [email protected] # v6.0-rc1+
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This reverts commit da56a1bfbab55189595e588f1d984bdfb5cf5924.
Bjorn Andersson, Fabio Estevam, Xiaolei Wang, and Jon Hunter reported that
da56a1bfbab5 ("PCI: dwc: Wait for link up only if link is started") broke
controller probing by returning an error in case the link does not come up
during host initialisation, for example when the slot is empty.
As explained in commit 886a9c134755 ("PCI: dwc: Move link handling into
common code") and as indicated by the comment "Ignore errors, the link may
come up later" in the code, waiting for link up and ignoring errors is the
intended behaviour:
Let's standardize this to succeed as there are usecases where devices
(and the link) appear later even without hotplug. For example, a
reconfigured FPGA device.
Reverting the offending commit specifically fixes a regression on Qualcomm
platforms like the Lenovo ThinkPad X13s which no longer reach the
interconnect sync state if a slot does not have a device populated (e.g. an
optional modem).
Note that enabling asynchronous probing by default as was done for Qualcomm
platforms by commit c0e1eb441b1d ("PCI: qcom: Enable async probe by
default"), should take care of any related boot time concerns.
Finally, note that the intel-gw driver is the only driver currently not
providing a .start_link() callback and instead starts the link in its
.host_init() callback, which may avoid an additional one-second timeout
during probe by making the link-up wait conditional. If anyone cares, that
can be done in a follow-up patch with a proper motivation.
[bhelgaas: add Fabio Estevam, Xiaolei Wang, Jon Hunter reports]
Fixes: da56a1bfbab5 ("PCI: dwc: Wait for link up only if link is started")
Link: https://lore.kernel.org/r/[email protected]
Reported-by: Bjorn Andersson <[email protected]>
Signed-off-by: Johan Hovold <[email protected]>
Reported-by: Fabio Estevam <[email protected]>
Link: https://lore.kernel.org/r/[email protected]/
Reported-by: Xiaolei Wang <[email protected]>
Link: https://lore.kernel.org/r/[email protected]/
Reported-by: Jon Hunter <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Bjorn Helgaas <[email protected]>
Reviewed-by: Manivannan Sadhasivam <[email protected]>
Cc: Sajid Dalvi <[email protected]>
Cc: Ajay Agarwal <[email protected]>
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The DT of_device.h and of_platform.h date back to the separate
of_platform_bus_type before it as merged into the regular platform bus. As
part of that merge prepping Arm DT support 13 years ago, they "temporarily"
include each other. They also include platform_device.h and of.h. As a
result, there's a pretty much random mix of those include files used
throughout the tree. In order to detangle these headers and replace the
implicit includes with struct declarations, users need to explicitly
include the correct includes.
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Rob Herring <[email protected]>
Signed-off-by: Bjorn Helgaas <[email protected]>
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Rather than casting void(*)(struct clk *) to void (*)(void *), that
forces conversion to an incompatible function type, replace the cast
with a small local stub function with a signature that matches what
the devm_add_action_or_reset() function expects.
The sub function takes a void *, then passes it directly to
clk_disable_unprepare(), which handles the more specific type.
Reported by clang when building with warnings enabled:
drivers/pci/controller/dwc/pcie-keembay.c:172:12: warning: cast from 'void (*)(struct clk *)' to 'void (*)(void *)' converts to incompatible function type [-Wcast-function-type-strict]
(void(*)(void *))clk_disable_unprepare,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
No functional changes are intended.
Fixes: 0c87f90b4c13 ("PCI: keembay: Add support for Intel Keem Bay")
Link: https://lore.kernel.org/linux-pci/[email protected]
Acked-by: Srikanth Thokala <[email protected]>
Signed-off-by: Krzysztof Wilczyński <[email protected]>
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Rather than casting void(*)(struct clk *) to void (*)(void *), that
forces conversion to an incompatible function type, replace the cast
with a small local stub function with a signature that matches what
the devm_add_action_or_reset() function expects.
The sub function takes a void *, then passes it directly to
clk_disable_unprepare(), which handles the more specific type.
Reported by clang when building with warnings enabled:
drivers/pci/controller/dwc/pci-meson.c:191:6: warning: cast from 'void (*)(struct clk *)' to 'void (*)(void *)' converts to incompatible function type [-Wcast-function-type-strict]
(void (*) (void *))clk_disable_unprepare,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
No functional changes are intended.
Fixes: 9c0ef6d34fdb ("PCI: amlogic: Add the Amlogic Meson PCIe controller driver")
Link: https://lore.kernel.org/linux-pci/[email protected]
Reviewed-by: Neil Armstrong <[email protected]>
Signed-off-by: Krzysztof Wilczyński <[email protected]>
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Convert calls to platform_get_resource() and devm_ioremap_resource()
into a single call to devm_platform_get_and_ioremap_resource(), to
simplify the code.
This new helper added in commit 890cc39a8799 ("drivers: provide
devm_platform_get_and_ioremap_resource()") does what both of the
other separate functions do.
[kwilczynski: commit log]
Link: https://lore.kernel.org/linux-pci/[email protected]
Signed-off-by: Yang Li <[email protected]>
Signed-off-by: Krzysztof Wilczyński <[email protected]>
Reviewed-by: Richard Zhu <[email protected]>
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Currently, as part of the qcom_pcie_perst_deassert() function, instead
of writing the updated value to clear PARF_MSTR_AXI_CLK_EN, the variable
"val" is re-read.
This must be fixed to ensure that the master clock supplied to the MHI
bus is correctly gated during L1.1/L1.2 to save power.
Thus, replace the line that re-reads "val" with a line that writes the
updated value to the register to clear PARF_MSTR_AXI_CLK_EN.
[kwilczynski: commit log]
Fixes: c457ac029e44 ("PCI: qcom-ep: Gate Master AXI clock to MHI bus during L1SS")
Link: https://lore.kernel.org/linux-pci/[email protected]
Reported-by: Krzysztof Wilczyński <[email protected]>
Signed-off-by: Manivannan Sadhasivam <[email protected]>
Signed-off-by: Krzysztof Wilczyński <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine
Pull dmaengine updates from Vinod Koul:
"New support:
- TI J721S2 CSI BCDMA support
Updates:
- Native HDMI support for dw edma driver
- ste dma40 updates for supporting proper SRAM handle in DT
- removal of dma device chancnt setting in drivers"
* tag 'dmaengine-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: (28 commits)
dmaengine: sprd: Don't set chancnt
dmaengine: hidma: Don't set chancnt
dmaengine: plx_dma: Don't set chancnt
dmaengine: axi-dmac: Don't set chancnt
dmaengine: dw-axi-dmac: Don't set chancnt
dmaengine: qcom: bam_dma: allow omitting num-{channels,ees}
dmaengine: dw-edma: Add HDMA DebugFS support
dmaengine: dw-edma: Add support for native HDMA
dmaengine: dw-edma: Create a new dw_edma_core_ops structure to abstract controller operation
dmaengine: dw-edma: Rename dw_edma_core_ops structure to dw_edma_plat_ops
dmaengine: ste_dma40: use proper format string for resource_size_t
dmaengine: make QCOM_HIDMA depend on HAS_IOMEM
dmaengine: ste_dma40: fix typo in enum documentation
dmaengine: ste_dma40: use correct print specfier for resource_size_t
MAINTAINERS: Add myself as the DW eDMA driver reviewer
MAINTAINERS: Add Manivannan to DW eDMA driver maintainers list
MAINTAINERS: Demote Gustavo Pimentel to DW EDMA driver reviewer
dmaengine: ti: k3-udma: Add support for J721S2 CSI BCDMA instance
dt-bindings: dma: ti: Add J721S2 BCDMA
dmaengine: ti: k3-psil-j721s2: Add PSI-L thread map for main CPSW2G
...
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git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Pull pci updates from Bjorn Helgaas:
"Enumeration:
- Export pcie_retrain_link() for use outside ASPM
- Add Data Link Layer Link Active Reporting as another way for
pcie_retrain_link() to determine the link is up
- Work around link training failures (especially on the ASMedia
ASM2824 switch) by training first at 2.5GT/s and then attempting
higher rates
Resource management:
- When we coalesce host bridge windows, remove invalidated resources
from the resource tree so future allocations work correctly
Hotplug:
- Cancel bringup sequence if card is not present, to keep from
blinking Power Indicator indefinitely
- Reassign bridge resources if necessary for ACPI hotplug
Driver binding:
- Convert platform_device .remove() callbacks to return void instead
of a mostly useless int
Power management:
- Reduce wait time for secondary bus to be ready to speed up resume
- Avoid putting EloPOS E2/S2/H2 (as well as Elo i2) PCIe Ports in
D3cold
- Call _REG when transitioning D-states so AML that uses the PCI
config space OpRegion works, which fixes some ASMedia GPIO
controllers after resume
Virtualization:
- Delay extra 250ms after FLR of Solidigm P44 Pro NVMe to avoid KVM
hang when guest is rebooted
- Add function 1 DMA alias quirk for Marvell 88SE9235
Error handling:
- Unexport pci_save_aer_state() since it's only used in drivers/pci/
- Drop recommendation for drivers to configure AER Capability, since
the PCI core does this for all devices
ASPM:
- Disable ASPM on MFD function removal to avoid use-after-free
- Tighten up pci_enable_link_state() and pci_disable_link_state()
interfaces so they don't enable/disable states the driver didn't
specify
- Avoid link retraining race that can happen if ASPM sets link
control parameters while the link is in the midst of training for
some other reason
Endpoint framework:
- Change "PCI Endpoint Virtual NTB driver" Kconfig prompt to be
different from "PCI Endpoint NTB driver"
- Automatically create a function specific attributes group for
endpoint drivers to avoid reference counting issues
- Fix many EPC test issues
- Return pci_epf_type_add_cfs() error if EPF has no driver
- Add kernel-doc for pci_epc_raise_irq() and pci_epc_map_msi_irq()
MSI vector parameters
- Pass EPF device ID to driver probe functions
- Return -EALREADY if EPC has already been started/stopped
- Add linkdown notifier support and use it in qcom-ep
- Add Bus Master Enable event support and use it in qcom-ep
- Add Qualcomm Modem Host Interface (MHI) endpoint driver
- Add Layerscape PME interrupt handling to manage link-up
notification
Cadence PCIe controller driver:
- Wait for link retrain to complete when working around the J721E
i2085 erratum with Gen2 mode
Faraday FTPC100 PCI controller driver:
- Release clock resources on error paths
Freescale i.MX6 PCIe controller driver:
- Save and restore Root Port MSI control to work around hardware defect
Intel VMD host bridge driver:
- Reset VMD config register between soft reboots
- Capture pci_reset_bus() return value instead of printing junk when
it fails
Qualcomm PCIe controller driver:
- Add SDX65 endpoint compatible string to DT binding
- Disable register write access after init for IP v2.3.3, v2.9.0
- Use DWC helpers for enabling/disabling writes to DBI registers
- Hide slot hotplug capability for IP v1.0.0, v1.9.0, v2.1.0, v2.3.2,
v2.3.3, v2.7.0, v2.9.0
- Reuse v2.3.2 post-init sequence for v2.4.0
Renesas R-Car PCIe controller driver:
- Remove unused static pcie_base and pcie_dev
Rockchip PCIe controller driver:
- Remove writes to unused registers
- Write endpoint Device ID using correct register
- Assert PCI Configuration Enable bit after probe so endpoint
responds instead of generating Request Retry Status messages
- Poll waiting for PHY PLLs to lock
- Update RK3399 example DT binding to be valid
- Use RK3399 PCIE_CLIENT_LEGACY_INT_CTRL to generate INTx instead of
manually generating PCIe message
- Use multiple windows to avoid address translation conflicts
- Use u32 (not u16) when accessing 32-bit registers
- Hide MSI-X Capability, since RK3399 can't generate MSI-X
- Set endpoint controller required alignment to 256
Synopsys DesignWare PCIe controller driver:
- Wait for link to come up only if we've initiated link training
Miscellaneous:
- Add pci_clear_master() stub for non-CONFIG_PCI"
* tag 'pci-v6.5-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci: (116 commits)
Documentation: PCI: correct spelling
PCI: vmd: Fix uninitialized variable usage in vmd_enable_domain()
PCI: xgene-msi: Convert to platform remove callback returning void
PCI: tegra: Convert to platform remove callback returning void
PCI: rockchip-host: Convert to platform remove callback returning void
PCI: mvebu: Convert to platform remove callback returning void
PCI: mt7621: Convert to platform remove callback returning void
PCI: mediatek-gen3: Convert to platform remove callback returning void
PCI: mediatek: Convert to platform remove callback returning void
PCI: iproc: Convert to platform remove callback returning void
PCI: hisi-error: Convert to platform remove callback returning void
PCI: dwc: Convert to platform remove callback returning void
PCI: j721e: Convert to platform remove callback returning void
PCI: brcmstb: Convert to platform remove callback returning void
PCI: altera-msi: Convert to platform remove callback returning void
PCI: altera: Convert to platform remove callback returning void
PCI: aardvark: Convert to platform remove callback returning void
PCI: rcar: Use correct product family name for Renesas R-Car
PCI: layerscape: Add the endpoint linkup notifier support
PCI: endpoint: pci-epf-vntb: Fix typo in comments
...
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