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Merge tag 'pci-v5.20-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull pci updates from Bjorn Helgaas:
"Enumeration:
- Consolidate duplicated 'next function' scanning and extend to allow
'isolated functions' on s390, similar to existing hypervisors
(Niklas Schnelle)
Resource management:
- Implement pci_iobar_pfn() for sparc, which allows us to remove the
sparc-specific pci_mmap_page_range() and pci_mmap_resource_range().
This removes the ability to map the entire PCI I/O space using
/proc/bus/pci, but we believe that's already been broken since
v2.6.28 (Arnd Bergmann)
- Move common PCI definitions to asm-generic/pci.h and rework others
to be be more specific and more encapsulated in arches that need
them (Stafford Horne)
Power management:
- Convert drivers to new *_PM_OPS macros to avoid need for '#ifdef
CONFIG_PM_SLEEP' or '__maybe_unused' (Bjorn Helgaas)
Virtualization:
- Add ACS quirk for Broadcom BCM5750x multifunction NICs that isolate
the functions but don't advertise an ACS capability (Pavan Chebbi)
Error handling:
- Clear PCI Status register during enumeration in case firmware left
errors logged (Kai-Heng Feng)
- When we have native control of AER, enable error reporting for all
devices that support AER. Previously only a few drivers enabled
this (Stefan Roese)
- Keep AER error reporting enabled for switches. Previously we
enabled this during enumeration but immediately disabled it (Stefan
Roese)
- Iterate over error counters instead of error strings to avoid
printing junk in AER sysfs counters (Mohamed Khalfella)
ASPM:
- Remove pcie_aspm_pm_state_change() so ASPM config changes, e.g.,
via sysfs, are not lost across power state changes (Kai-Heng Feng)
Endpoint framework:
- Don't stop an EPC when unbinding an EPF from it (Shunsuke Mie)
Endpoint embedded DMA controller driver:
- Simplify and clean up support for the DesignWare embedded DMA
(eDMA) controller (Frank Li, Serge Semin)
Broadcom STB PCIe controller driver:
- Avoid config space accesses when link is down because we can't
recover from the CPU aborts these cause (Jim Quinlan)
- Look for power regulators described under Root Ports in DT and
enable them before scanning the secondary bus (Jim Quinlan)
- Disable/enable regulators in suspend/resume (Jim Quinlan)
Freescale i.MX6 PCIe controller driver:
- Simplify and clean up clock and PHY management (Richard Zhu)
- Disable/enable regulators in suspend/resume (Richard Zhu)
- Set PCIE_DBI_RO_WR_EN before writing DBI registers (Richard Zhu)
- Allow speeds faster than Gen2 (Richard Zhu)
- Make link being down a non-fatal error so controller probe doesn't
fail if there are no Endpoints connected (Richard Zhu)
Loongson PCIe controller driver:
- Add ACPI and MCFG support for Loongson LS7A (Huacai Chen)
- Avoid config reads to non-existent LS2K/LS7A devices because a
hardware defect causes machine hangs (Huacai Chen)
- Work around LS7A integrated devices that report incorrect Interrupt
Pin values (Jianmin Lv)
Marvell Aardvark PCIe controller driver:
- Add support for AER and Slot capability on emulated bridge (Pali
Rohár)
MediaTek PCIe controller driver:
- Add Airoha EN7532 to DT binding (John Crispin)
- Allow building of driver for ARCH_AIROHA (Felix Fietkau)
MediaTek PCIe Gen3 controller driver:
- Print decoded LTSSM state when the link doesn't come up (Jianjun
Wang)
NVIDIA Tegra194 PCIe controller driver:
- Convert DT binding to json-schema (Vidya Sagar)
- Add DT bindings and driver support for Tegra234 Root Port and
Endpoint mode (Vidya Sagar)
- Fix some Root Port interrupt handling issues (Vidya Sagar)
- Set default Max Payload Size to 256 bytes (Vidya Sagar)
- Fix Data Link Feature capability programming (Vidya Sagar)
- Extend Endpoint mode support to devices beyond Controller-5 (Vidya
Sagar)
Qualcomm PCIe controller driver:
- Rework clock, reset, PHY power-on ordering to avoid hangs and
improve consistency (Robert Marko, Christian Marangi)
- Move pipe_clk handling to PHY drivers (Dmitry Baryshkov)
- Add IPQ60xx support (Selvam Sathappan Periakaruppan)
- Allow ASPM L1 and substates for 2.7.0 (Krishna chaitanya chundru)
- Add support for more than 32 MSI interrupts (Dmitry Baryshkov)
Renesas R-Car PCIe controller driver:
- Convert DT binding to json-schema (Herve Codina)
- Add Renesas RZ/N1D (R9A06G032) to rcar-gen2 DT binding and driver
(Herve Codina)
Samsung Exynos PCIe controller driver:
- Fix phy-exynos-pcie driver so it follows the 'phy_init() before
phy_power_on()' PHY programming model (Marek Szyprowski)
Synopsys DesignWare PCIe controller driver:
- Simplify and clean up the DWC core extensively (Serge Semin)
- Fix an issue with programming the ATU for regions that cross a 4GB
boundary (Serge Semin)
- Enable the CDM check if 'snps,enable-cdm-check' exists; previously
we skipped it if 'num-lanes' was absent (Serge Semin)
- Allocate a 32-bit DMA-able page to be MSI target instead of using a
driver data structure that may not be addressable with 32-bit
address (Will McVicker)
- Add DWC core support for more than 32 MSI interrupts (Dmitry
Baryshkov)
Xilinx Versal CPM PCIe controller driver:
- Add DT binding and driver support for Versal CPM5 Gen5 Root Port
(Bharat Kumar Gogada)"
* tag 'pci-v5.20-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (150 commits)
PCI: imx6: Support more than Gen2 speed link mode
PCI: imx6: Set PCIE_DBI_RO_WR_EN before writing DBI registers
PCI: imx6: Reformat suspend callback to keep symmetric with resume
PCI: imx6: Move the imx6_pcie_ltssm_disable() earlier
PCI: imx6: Disable clocks in reverse order of enable
PCI: imx6: Do not hide PHY driver callbacks and refine the error handling
PCI: imx6: Reduce resume time by only starting link if it was up before suspend
PCI: imx6: Mark the link down as non-fatal error
PCI: imx6: Move regulator enable out of imx6_pcie_deassert_core_reset()
PCI: imx6: Turn off regulator when system is in suspend mode
PCI: imx6: Call host init function directly in resume
PCI: imx6: Disable i.MX6QDL clock when disabling ref clocks
PCI: imx6: Propagate .host_init() errors to caller
PCI: imx6: Collect clock enables in imx6_pcie_clk_enable()
PCI: imx6: Factor out ref clock disable to match enable
PCI: imx6: Move imx6_pcie_clk_disable() earlier
PCI: imx6: Move imx6_pcie_enable_ref_clk() earlier
PCI: imx6: Move PHY management functions together
PCI: imx6: Move imx6_pcie_grp_offset(), imx6_pcie_configure_type() earlier
PCI: imx6: Convert to NOIRQ_SYSTEM_SLEEP_PM_OPS()
...
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| .. | ||
| syscalls | ||
| .gitignore | ||
| adi_64.c | ||
| apc.c | ||
| asm-offsets.c | ||
| audit.c | ||
| auxio_32.c | ||
| auxio_64.c | ||
| btext.c | ||
| central.c | ||
| cherrs.S | ||
| chmc.c | ||
| compat_audit.c | ||
| cpu.c | ||
| cpumap.c | ||
| cpumap.h | ||
| devices.c | ||
| ds.c | ||
| dtlb_miss.S | ||
| dtlb_prot.S | ||
| ebus.c | ||
| entry.h | ||
| entry.S | ||
| etrap_32.S | ||
| etrap_64.S | ||
| fpu_traps.S | ||
| ftrace.c | ||
| getsetcc.S | ||
| head_32.S | ||
| head_64.S | ||
| helpers.S | ||
| hvapi.c | ||
| hvcalls.S | ||
| hvtramp.S | ||
| idprom.c | ||
| iommu_common.h | ||
| iommu-common.c | ||
| iommu.c | ||
| ioport.c | ||
| irq_32.c | ||
| irq_64.c | ||
| irq.h | ||
| itlb_miss.S | ||
| ivec.S | ||
| jump_label.c | ||
| kernel.h | ||
| kgdb_32.c | ||
| kgdb_64.c | ||
| kprobes.c | ||
| kstack.h | ||
| ktlb.S | ||
| ldc.c | ||
| led.c | ||
| leon_kernel.c | ||
| leon_pci_grpci1.c | ||
| leon_pci_grpci2.c | ||
| leon_pci.c | ||
| leon_pmc.c | ||
| leon_smp.c | ||
| Makefile | ||
| mdesc.c | ||
| misctrap.S | ||
| module.c | ||
| nmi.c | ||
| of_device_32.c | ||
| of_device_64.c | ||
| of_device_common.c | ||
| of_device_common.h | ||
| pci_common.c | ||
| pci_fire.c | ||
| pci_impl.h | ||
| pci_msi.c | ||
| pci_psycho.c | ||
| pci_sabre.c | ||
| pci_schizo.c | ||
| pci_sun4v_asm.S | ||
| pci_sun4v.c | ||
| pci_sun4v.h | ||
| pci.c | ||
| pcic.c | ||
| pcr.c | ||
| perf_event.c | ||
| pmc.c | ||
| power.c | ||
| process_32.c | ||
| process_64.c | ||
| process.c | ||
| prom_32.c | ||
| prom_64.c | ||
| prom_common.c | ||
| prom_irqtrans.c | ||
| prom.h | ||
| psycho_common.c | ||
| psycho_common.h | ||
| ptrace_32.c | ||
| ptrace_64.c | ||
| reboot.c | ||
| rtrap_32.S | ||
| rtrap_64.S | ||
| sbus.c | ||
| setup_32.c | ||
| setup_64.c | ||
| signal32.c | ||
| signal_32.c | ||
| signal_64.c | ||
| sigutil_32.c | ||
| sigutil_64.c | ||
| sigutil.h | ||
| smp_32.c | ||
| smp_64.c | ||
| sparc_ksyms.c | ||
| spiterrs.S | ||
| sstate.c | ||
| stacktrace.c | ||
| starfire.c | ||
| sun4d_irq.c | ||
| sun4d_smp.c | ||
| sun4m_irq.c | ||
| sun4m_smp.c | ||
| sun4v_ivec.S | ||
| sun4v_mcd.S | ||
| sun4v_tlb_miss.S | ||
| sys32.S | ||
| sys_sparc32.c | ||
| sys_sparc_32.c | ||
| sys_sparc_64.c | ||
| syscalls.S | ||
| sysfs.c | ||
| systbls_32.S | ||
| systbls_64.S | ||
| systbls.h | ||
| time_32.c | ||
| time_64.c | ||
| trampoline_32.S | ||
| trampoline_64.S | ||
| traps_32.c | ||
| traps_64.c | ||
| tsb.S | ||
| ttable_32.S | ||
| ttable_64.S | ||
| una_asm_32.S | ||
| una_asm_64.S | ||
| unaligned_32.c | ||
| unaligned_64.c | ||
| uprobes.c | ||
| urtt_fill.S | ||
| utrap.S | ||
| vdso.c | ||
| vio.c | ||
| viohs.c | ||
| visemul.c | ||
| vmlinux.lds.S | ||
| windows.c | ||
| winfixup.S | ||
| wof.S | ||
| wuf.S | ||