linux/drivers/phy
Linus Torvalds 041bc24d86 pci-v6.1-changes
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Merge tag 'pci-v6.1-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull pci updates from Bjorn Helgaas:
 "Resource management:

   - Distribute spare resources to unconfigured hotplug bridges at
     boot-time (not just when hot-adding such a bridge), which makes
     hot-adding devices to docks work better.

   - Revert to a BAR assignment inherited from firmware only when the
     address is actually reachable via any upstream bridges, which fixes
     some cases where firmware doesn't configure all devices.

   - Add a sysfs interface to resize BARs so this can be done before
     assigning devices to a VM through VFIO.

  Power management:

   - Disable Precision Time Management for all devices on suspend to
     enable lower-power PM state. We previously did this just for Root
     Ports, which isn't enough because downstream devices can still
     generate PTM messages, which cause errors if it's disabled in the
     Root Port.

   - Save and restore the ASPM L1 PM Substates configuration for
     suspend/ resume. Previously this configuration was lost, so L1.x
     states likely stopped working after resume.

   - Check whether the L1 PM Substates Capability exists. If it didn't
     exist, we previously read junk and tried to configure L1 Substates
     based on that.

   - Fix the LTR_L1.2_THRESHOLD computation, which previously set a
     threshold for entering L1.2 that was too low in some cases.

   - Reduce the delay after transitions to or from D3cold by using
     usleep_range() rather than msleep(), which often slept for ~19ms
     instead of the 10ms normally required. The spec says 10ms is
     enough, but it's possible we could trip over devices that need a
     little more.

  Error handling:

   - Work around a BIOS bug that caused Intel Root Ports to advertise a
     Root Port Programmed I/O (RP PIO) log size of zero, which caused
     annoying warnings and prevented the kernel from dumping log
     registers for DPC errors.

  Qualcomm PCIe controller driver:

   - Add support for SC8280XP and SA8540P host controllers and SM8450
     endpoint controller.

   - Disable Master AXI clock on endpoint controllers to save power when
     link is idle or in L1.x.

   - Expose link state transition counts via debugfs to help debug
     issues with low-power states.

   - Add auto-loading module support.

  Synopsys DesignWare PCIe controller driver:

   - Remove a dependency on ZONE_DMA32 by allocating the MSI target page
     differently. There's more work to do related to eDMA controllers,
     so it's not completely settled"

* tag 'pci-v6.1-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (71 commits)
  PCI: qcom-ep: Check platform_get_resource_byname() return value
  PCI: qcom-ep: Add support for SM8450 SoC
  dt-bindings: PCI: qcom-ep: Add support for SM8450 SoC
  dt-bindings: PCI: qcom-ep: Define clocks per platform
  PCI: qcom-ep: Make PERST separation optional
  dt-bindings: PCI: qcom-ep: Make PERST separation optional
  PCI: qcom-ep: Disable Master AXI Clock when there is no PCIe traffic
  PCI: Expose PCIe Resizable BAR support via sysfs
  PCI/ASPM: Correct LTR_L1.2_THRESHOLD computation
  PCI/ASPM: Ignore L1 PM Substates if device lacks capability
  PCI/ASPM: Factor out L1 PM Substates configuration
  PCI: qcom-ep: Gate Master AXI clock to MHI bus during L1SS
  PCI: qcom-ep: Expose link transition counts via debugfs
  PCI: qcom-ep: Disable IRQs during driver remove
  PCI/ASPM: Save L1 PM Substates Capability for suspend/resume
  PCI/ASPM: Refactor L1 PM Substates Control Register programming
  PCI: qcom-ep: Make use of the cached dev pointer
  PCI: qcom-ep: Rely on the clocks supplied by devicetree
  PCI: qcom-ep: Add kernel-doc for qcom_pcie_ep structure
  phy: freescale: imx8m-pcie: Fix the wrong order of phy_init() and phy_power_on()
  ...
2022-10-11 11:08:18 -07:00
..
allwinner phy: move from strlcpy with unused retval to strscpy 2022-08-30 13:12:38 +05:30
amlogic phy: amlogic: phy-meson-axg-mipi-pcie-analog: Hold reference returned by of_get_parent() 2022-09-20 11:56:38 +05:30
broadcom arm64: bcmbca: Make BCM4908 drivers depend on ARCH_BCMBCA 2022-08-15 09:55:34 -07:00
cadence phy: cadence-torrent: Remove unused regmap field from state struct 2022-07-08 10:40:43 +05:30
freescale phy: freescale: imx8m-pcie: Fix the wrong order of phy_init() and phy_power_on() 2022-10-03 10:34:46 +02:00
hisilicon phy: HiSilicon: Fix copy and paste bug in error handling 2021-11-23 10:42:13 +05:30
ingenic
intel phy: intel: Use dev_err_probe() to simplify code 2022-09-24 12:34:56 +05:30
lantiq
marvell phy: marvell: phy-mvebu-a3700-comphy: Remove broken reset support 2022-08-30 10:32:33 +05:30
mediatek phy: phy-mtk-dp: make array driving_params static const 2022-09-29 21:01:27 +05:30
microchip phy-for-6.1 2022-10-07 16:03:01 -07:00
motorola treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_30.RULE (part 2) 2022-06-10 14:51:35 +02:00
mscc
qualcomm phy: qcom-qmp-pcie: fix resource mapping for SDM845 QHP PHY 2022-09-29 11:55:01 +05:30
ralink
renesas
rockchip phy: rockchip-snps-pcie3: only look for rockchip,pipe-grf on rk3588 2022-09-29 11:43:04 +05:30
samsung pci-v5.20-changes 2022-08-04 19:30:35 -07:00
socionext phy: uniphier-usb3ss: fix unintended writing zeros to PHY register 2021-12-24 10:06:38 +05:30
st phy: stm32: fix error return in stm32_usbphyc_phy_init 2022-07-15 17:04:25 +05:30
sunplus phy: usb: sunplus: Fix return value check in update_disc_vol() 2022-09-13 20:58:33 +05:30
tegra USB/Thunderbolt changes for 6.1-rc1 2022-10-07 16:48:26 -07:00
ti phy: ti: phy-j721e-wiz: fix reference leaks in wiz_probe() 2022-09-24 11:59:37 +05:30
xilinx phy: xilinx: zynqmp: Fix bus width setting for SGMII 2022-01-27 10:55:26 +05:30
Kconfig phy: usb: Add USB2.0 phy driver for Sunplus SP7021 2022-09-02 21:01:24 +05:30
Makefile phy: usb: Add USB2.0 phy driver for Sunplus SP7021 2022-09-02 21:01:24 +05:30
phy-can-transceiver.c phy: phy-can-transceiver: Add support for setting mux 2022-04-11 20:14:10 +05:30
phy-core-mipi-dphy.c phy: dphy: Correct lpx parameter and its derivatives(ta_{get,go,sure}) 2022-02-25 14:14:06 +05:30
phy-core.c phy: core: Warn when phy_power_on is called before phy_init 2022-04-20 14:45:15 +05:30
phy-lgm-usb.c
phy-lpc18xx-usb-otg.c
phy-pistachio-usb.c
phy-xgene.c