linux_dsm_epyc7002/drivers/dma
Linus Torvalds bd6bf7c104 pci-v4.20-changes
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Merge tag 'pci-v4.20-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI updates from Bjorn Helgaas:

 - Fix ASPM link_state teardown on removal (Lukas Wunner)

 - Fix misleading _OSC ASPM message (Sinan Kaya)

 - Make _OSC optional for PCI (Sinan Kaya)

 - Don't initialize ASPM link state when ACPI_FADT_NO_ASPM is set
   (Patrick Talbert)

 - Remove x86 and arm64 node-local allocation for host bridge structures
   (Punit Agrawal)

 - Pay attention to device-specific _PXM node values (Jonathan Cameron)

 - Support new Immediate Readiness bit (Felipe Balbi)

 - Differentiate between pciehp surprise and safe removal (Lukas Wunner)

 - Remove unnecessary pciehp includes (Lukas Wunner)

 - Drop pciehp hotplug_slot_ops wrappers (Lukas Wunner)

 - Tolerate PCIe Slot Presence Detect being hardwired to zero to
   workaround broken hardware, e.g., the Wilocity switch/wireless device
   (Lukas Wunner)

 - Unify pciehp controller & slot structs (Lukas Wunner)

 - Constify hotplug_slot_ops (Lukas Wunner)

 - Drop hotplug_slot_info (Lukas Wunner)

 - Embed hotplug_slot struct into users instead of allocating it
   separately (Lukas Wunner)

 - Initialize PCIe port service drivers directly instead of relying on
   initcall ordering (Keith Busch)

 - Restore PCI config state after a slot reset (Keith Busch)

 - Save/restore DPC config state along with other PCI config state
   (Keith Busch)

 - Reference count devices during AER handling to avoid race issue with
   concurrent hot removal (Keith Busch)

 - If an Upstream Port reports ERR_FATAL, don't try to read the Port's
   config space because it is probably unreachable (Keith Busch)

 - During error handling, use slot-specific reset instead of secondary
   bus reset to avoid link up/down issues on hotplug ports (Keith Busch)

 - Restore previous AER/DPC handling that does not remove and
   re-enumerate devices on ERR_FATAL (Keith Busch)

 - Notify all drivers that may be affected by error recovery resets
   (Keith Busch)

 - Always generate error recovery uevents, even if a driver doesn't have
   error callbacks (Keith Busch)

 - Make PCIe link active reporting detection generic (Keith Busch)

 - Support D3cold in PCIe hierarchies during system sleep and runtime,
   including hotplug and Thunderbolt ports (Mika Westerberg)

 - Handle hpmemsize/hpiosize kernel parameters uniformly, whether slots
   are empty or occupied (Jon Derrick)

 - Remove duplicated include from pci/pcie/err.c and unused variable
   from cpqphp (YueHaibing)

 - Remove driver pci_cleanup_aer_uncorrect_error_status() calls (Oza
   Pawandeep)

 - Uninline PCI bus accessors for better ftracing (Keith Busch)

 - Remove unused AER Root Port .error_resume method (Keith Busch)

 - Use kfifo in AER instead of a local version (Keith Busch)

 - Use threaded IRQ in AER bottom half (Keith Busch)

 - Use managed resources in AER core (Keith Busch)

 - Reuse pcie_port_find_device() for AER injection (Keith Busch)

 - Abstract AER interrupt handling to disconnect error injection (Keith
   Busch)

 - Refactor AER injection callbacks to simplify future improvments
   (Keith Busch)

 - Remove unused Netronome NFP32xx Device IDs (Jakub Kicinski)

 - Use bitmap_zalloc() for dma_alias_mask (Andy Shevchenko)

 - Add switch fall-through annotations (Gustavo A. R. Silva)

 - Remove unused Switchtec quirk variable (Joshua Abraham)

 - Fix pci.c kernel-doc warning (Randy Dunlap)

 - Remove trivial PCI wrappers for DMA APIs (Christoph Hellwig)

 - Add Intel GPU device IDs to spurious interrupt quirk (Bin Meng)

 - Run Switchtec DMA aliasing quirk only on NTB endpoints to avoid
   useless dmesg errors (Logan Gunthorpe)

 - Update Switchtec NTB documentation (Wesley Yung)

 - Remove redundant "default n" from Kconfig (Bartlomiej Zolnierkiewicz)

 - Avoid panic when drivers enable MSI/MSI-X twice (Tonghao Zhang)

 - Add PCI support for peer-to-peer DMA (Logan Gunthorpe)

 - Add sysfs group for PCI peer-to-peer memory statistics (Logan
   Gunthorpe)

 - Add PCI peer-to-peer DMA scatterlist mapping interface (Logan
   Gunthorpe)

 - Add PCI configfs/sysfs helpers for use by peer-to-peer users (Logan
   Gunthorpe)

 - Add PCI peer-to-peer DMA driver writer's documentation (Logan
   Gunthorpe)

 - Add block layer flag to indicate driver support for PCI peer-to-peer
   DMA (Logan Gunthorpe)

 - Map Infiniband scatterlists for peer-to-peer DMA if they contain P2P
   memory (Logan Gunthorpe)

 - Register nvme-pci CMB buffer as PCI peer-to-peer memory (Logan
   Gunthorpe)

 - Add nvme-pci support for PCI peer-to-peer memory in requests (Logan
   Gunthorpe)

 - Use PCI peer-to-peer memory in nvme (Stephen Bates, Steve Wise,
   Christoph Hellwig, Logan Gunthorpe)

 - Cache VF config space size to optimize enumeration of many VFs
   (KarimAllah Ahmed)

 - Remove unnecessary <linux/pci-ats.h> include (Bjorn Helgaas)

 - Fix VMD AERSID quirk Device ID matching (Jon Derrick)

 - Fix Cadence PHY handling during probe (Alan Douglas)

 - Signal Cadence Endpoint interrupts via AXI region 0 instead of last
   region (Alan Douglas)

 - Write Cadence Endpoint MSI interrupts with 32 bits of data (Alan
   Douglas)

 - Remove redundant controller tests for "device_type == pci" (Rob
   Herring)

 - Document R-Car E3 (R8A77990) bindings (Tho Vu)

 - Add device tree support for R-Car r8a7744 (Biju Das)

 - Drop unused mvebu PCIe capability code (Thomas Petazzoni)

 - Add shared PCI bridge emulation code (Thomas Petazzoni)

 - Convert mvebu to use shared PCI bridge emulation (Thomas Petazzoni)

 - Add aardvark Root Port emulation (Thomas Petazzoni)

 - Support 100MHz/200MHz refclocks for i.MX6 (Lucas Stach)

 - Add initial power management for i.MX7 (Leonard Crestez)

 - Add PME_Turn_Off support for i.MX7 (Leonard Crestez)

 - Fix qcom runtime power management error handling (Bjorn Andersson)

 - Update TI dra7xx unaligned access errata workaround for host mode as
   well as endpoint mode (Vignesh R)

 - Fix kirin section mismatch warning (Nathan Chancellor)

 - Remove iproc PAXC slot check to allow VF support (Jitendra Bhivare)

 - Quirk Keystone K2G to limit MRRS to 256 (Kishon Vijay Abraham I)

 - Update Keystone to use MRRS quirk for host bridge instead of open
   coding (Kishon Vijay Abraham I)

 - Refactor Keystone link establishment (Kishon Vijay Abraham I)

 - Simplify and speed up Keystone link training (Kishon Vijay Abraham I)

 - Remove unused Keystone host_init argument (Kishon Vijay Abraham I)

 - Merge Keystone driver files into one (Kishon Vijay Abraham I)

 - Remove redundant Keystone platform_set_drvdata() (Kishon Vijay
   Abraham I)

 - Rename Keystone functions for uniformity (Kishon Vijay Abraham I)

 - Add Keystone device control module DT binding (Kishon Vijay Abraham
   I)

 - Use SYSCON API to get Keystone control module device IDs (Kishon
   Vijay Abraham I)

 - Clean up Keystone PHY handling (Kishon Vijay Abraham I)

 - Use runtime PM APIs to enable Keystone clock (Kishon Vijay Abraham I)

 - Clean up Keystone config space access checks (Kishon Vijay Abraham I)

 - Get Keystone outbound window count from DT (Kishon Vijay Abraham I)

 - Clean up Keystone outbound window configuration (Kishon Vijay Abraham
   I)

 - Clean up Keystone DBI setup (Kishon Vijay Abraham I)

 - Clean up Keystone ks_pcie_link_up() (Kishon Vijay Abraham I)

 - Fix Keystone IRQ status checking (Kishon Vijay Abraham I)

 - Add debug messages for all Keystone errors (Kishon Vijay Abraham I)

 - Clean up Keystone includes and macros (Kishon Vijay Abraham I)

 - Fix Mediatek unchecked return value from devm_pci_remap_iospace()
   (Gustavo A. R. Silva)

 - Fix Mediatek endpoint/port matching logic (Honghui Zhang)

 - Change Mediatek Root Port Class Code to PCI_CLASS_BRIDGE_PCI (Honghui
   Zhang)

 - Remove redundant Mediatek PM domain check (Honghui Zhang)

 - Convert Mediatek to pci_host_probe() (Honghui Zhang)

 - Fix Mediatek MSI enablement (Honghui Zhang)

 - Add Mediatek system PM support for MT2712 and MT7622 (Honghui Zhang)

 - Add Mediatek loadable module support (Honghui Zhang)

 - Detach VMD resources after stopping root bus to prevent orphan
   resources (Jon Derrick)

 - Convert pcitest build process to that used by other tools (iio, perf,
   etc) (Gustavo Pimentel)

* tag 'pci-v4.20-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (140 commits)
  PCI/AER: Refactor error injection fallbacks
  PCI/AER: Abstract AER interrupt handling
  PCI/AER: Reuse existing pcie_port_find_device() interface
  PCI/AER: Use managed resource allocations
  PCI: pcie: Remove redundant 'default n' from Kconfig
  PCI: aardvark: Implement emulated root PCI bridge config space
  PCI: mvebu: Convert to PCI emulated bridge config space
  PCI: mvebu: Drop unused PCI express capability code
  PCI: Introduce PCI bridge emulated config space common logic
  PCI: vmd: Detach resources after stopping root bus
  nvmet: Optionally use PCI P2P memory
  nvmet: Introduce helper functions to allocate and free request SGLs
  nvme-pci: Add support for P2P memory in requests
  nvme-pci: Use PCI p2pmem subsystem to manage the CMB
  IB/core: Ensure we map P2P memory correctly in rdma_rw_ctx_[init|destroy]()
  block: Add PCI P2P flag for request queue
  PCI/P2PDMA: Add P2P DMA driver writer's documentation
  docs-rst: Add a new directory for PCI documentation
  PCI/P2PDMA: Introduce configfs/sysfs enable attribute helpers
  PCI/P2PDMA: Add PCI p2pmem DMA mappings to adjust the bus offset
  ...
2018-10-25 06:50:48 -07:00
..
bestcomm treewide: kmalloc() -> kmalloc_array() 2018-06-12 16:19:22 -07:00
dw Merge branch 'topic/dw' into for-linus 2018-10-24 09:15:48 +01:00
dw-axi-dmac dmaengine: dw-axi-dmac: use dmaenginem_async_device_register to simplify the code 2018-08-29 21:43:17 +05:30
hsu dmaengine: hsu: remove dma_slave_config direction usage 2018-10-07 19:25:09 +05:30
ioat pci-v4.20-changes 2018-10-25 06:50:48 -07:00
ipu treewide: Use array_size() in vmalloc() 2018-06-12 16:19:22 -07:00
mediatek
ppc4xx dmaengine: ppc4xx: fix off-by-one build failure 2018-10-16 20:08:30 +05:30
qcom dmaengine updates for 4.18-rc1 2018-06-08 11:02:21 -07:00
sh dmaengine: rcar-dmac: set scatter/gather max segment size 2018-10-07 20:04:14 +05:30
ti dmaengine: ti: omap-dma: Fix OMAP1510 incorrect residue_granularity 2018-06-19 09:59:13 +05:30
xilinx dmaengine: xilinx_dma: Enable VDMA S2MM vertical flip support 2018-06-29 14:20:00 +05:30
acpi-dma.c
altera-msgdma.c
amba-pl08x.c
at_hdmac_regs.h
at_hdmac.c dmaengine: at_hdmac: remove dma_slave_config direction usage 2018-10-07 19:12:35 +05:30
at_xdmac.c dmaengine: at_xdmac: move spin_lock_bh to spin_lock in tasklet 2018-09-03 16:24:05 +05:30
bcm2835-dma.c dmaengine: bcm2835: remove dma_slave_config direction usage 2018-10-07 19:18:16 +05:30
bcm-sba-raid.c treewide: Use struct_size() for devm_kmalloc() and friends 2018-06-06 11:15:43 -07:00
coh901318_lli.c
coh901318.c dmaengine: coh901318: remove dma_slave_config direction usage 2018-10-07 19:19:03 +05:30
coh901318.h
dma-axi-dmac.c
dma-jz4740.c dmaengine: jz4740: remove dma_slave_config direction usage 2018-10-07 19:20:14 +05:30
dma-jz4780.c Merge branch 'topic/jz' into for-linus 2018-10-24 09:16:04 +01:00
dmaengine.c Merge branch 'ida-4.19' of git://git.infradead.org/users/willy/linux-dax 2018-08-26 11:48:42 -07:00
dmaengine.h
dmatest.c
ep93xx_dma.c dmaengine: ep93xx_dma: remove dma_slave_config direction usage 2018-10-07 19:25:11 +05:30
fsl_raid.c
fsl_raid.h
fsl-edma-common.c dmaengine: fsl-edma: remove dma_slave_config direction usage 2018-10-09 14:29:58 +05:30
fsl-edma-common.h dmaengine: fsl-edma: remove dma_slave_config direction usage 2018-10-09 14:29:58 +05:30
fsl-edma.c dmaengine: fsl-edma: add edma version and configurable registers 2018-09-11 12:06:39 +05:30
fsldma.c dmaengine: fsldma: move spin_lock_bh to spin_lock in tasklet 2018-09-03 16:23:00 +05:30
fsldma.h
idma64.c Merge branch 'topic/intel' into for-linus 2018-10-24 09:15:59 +01:00
idma64.h
img-mdc-dma.c
imx-dma.c dmaengine: imx-dma: remove dma_slave_config direction usage 2018-10-07 19:25:10 +05:30
imx-sdma.c dmaengine: imx-sdma: add memcpy interface 2018-07-30 10:33:58 +05:30
iop-adma.c
k3dma.c dmaengine: k3dma: remove dma_slave_config direction usage 2018-10-07 19:25:10 +05:30
Kconfig Merge branch 'topic/jz' into for-linus 2018-10-24 09:16:04 +01:00
lpc18xx-dmamux.c
Makefile dmaengine: fsl-edma: add ColdFire mcf5441x edma support 2018-09-11 12:06:39 +05:30
mcf-edma.c dmaengine: mcf-edma: avoid warning for wrong pointer cast 2018-09-18 12:15:45 -07:00
mic_x100_dma.c dmaengine: mic_x100_dma: use devm_kzalloc to fix an issue 2018-08-27 11:16:04 +05:30
mic_x100_dma.h
mmp_pdma.c
mmp_tdma.c Merge branch 'topic/dmam' into for-linus 2018-10-24 09:15:43 +01:00
moxart-dma.c
mpc512x_dma.c
mv_xor_v2.c dmaengine: mv_xor_v2: use {lower,upper}_32_bits to configure HW descriptor address 2018-07-25 17:53:22 +05:30
mv_xor.c dmaengine: mv_xor: move spin_lock_bh to spin_lock in tasklet 2018-09-03 16:23:31 +05:30
mv_xor.h
mxs-dma.c dmaengine: mxs-dma: use dmaenginem_async_device_register to simplify the code 2018-08-29 21:43:18 +05:30
nbpfaxi.c Merge branch 'topic/renesas' into for-linus 2018-10-24 09:16:22 +01:00
of-dma.c
owl-dma.c dmaengine: owl: Fix warnings generated during build 2018-10-15 22:39:16 +05:30
pch_dma.c
pl330.c DMAengine updates for v4.19-rc1 2018-08-18 15:55:59 -07:00
pxa_dma.c dmaengine: pxa: fix semicolon.cocci warnings 2018-09-11 11:40:35 +05:30
s3c24xx-dma.c headers: separate linux/mod_devicetable.h from linux/platform_device.h 2018-07-07 17:52:26 +02:00
sa11x0-dma.c
sirf-dma.c
sprd-dma.c dmaengine: sprd: Support DMA link-list mode 2018-09-03 16:58:50 +05:30
st_fdma.c dmaengine: st_fdma: use dmaenginem_async_device_register to simplify the code 2018-08-29 21:43:17 +05:30
st_fdma.h
ste_dma40_ll.c
ste_dma40_ll.h
ste_dma40.c dmaengine: ste_dma40: use dmaenginem_async_device_register to simplify the code 2018-08-29 21:43:17 +05:30
stm32-dma.c dmaengine: stm32-dma: check whether length is aligned on FIFO threshold 2018-10-02 20:32:15 +05:30
stm32-dmamux.c
stm32-mdma.c dmaengine: stm32-mdma: use dmaenginem_async_device_register to simplify the code 2018-08-29 21:43:17 +05:30
sun4i-dma.c
sun6i-dma.c
tegra20-apb-dma.c
tegra210-adma.c
timb_dma.c dmaengine: timb_dma: Use proper enum in td_prep_slave_sg 2018-10-02 20:11:09 +05:30
TODO
txx9dmac.c
txx9dmac.h
virt-dma.c
virt-dma.h
xgene-dma.c
zx_dma.c treewide: devm_kzalloc() -> devm_kcalloc() 2018-06-12 16:19:22 -07:00