mirror of https://github.com/torvalds/linux.git
43dfc13ca9
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Merge tag 'pci-v6.19-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Pull PCI updates from Bjorn Helgaas:
"Enumeration:
- Enable host bridge emulation for PCI_DOMAINS_GENERIC platforms (Dan
Williams)
- Switch vmd from custom domain number allocator to the common
allocator to prevent a potential race with new non-VMD buses (Dan
Williams)
- Enable Precision Time Measurement (PTM) only if device advertises
support for a relevant role, to prevent invalid PTM Requests that
cause ACS violations that are reported as AER Uncorrectable
Non-Fatal errors (Mika Westerberg)
Resource management:
- Prevent resource tree corruption when BAR resize fails (Ilpo
Järvinen)
- Restore BARs to the original size if a BAR resize fails (Ilpo
Järvinen)
- Remove BAR release from BAR resize attempts by the xe, i915, and
amdgpu drivers so the PCI core can restore BARs if the resize fails
(Ilpo Järvinen)
- Move Resizable BAR code to rebar.c (Ilpo Järvinen)
- Add pci_rebar_size_supported() and use it in i915 and xe (Ilpo
Järvinen)
- Add pci_rebar_get_max_size() and use it in xe and amdgpu (Ilpo
Järvinen)
Power management and error handling:
- For drivers using PCI legacy suspend, save config state at suspend
so that state (not any earlier state from enumeration, probe, or
error recovery) will be restored when resuming (Lukas Wunner)
- For devices with no driver or a driver that lacks power management,
save config state at hibernate so that state (not any earlier state
from enumeration, probe, or error recovery) will be restored when
resuming (Lukas Wunner)
- Save device config space on device addition, before driver binding,
so error recovery works more reliably (Lukas Wunner)
- Drop pci_save_state() from several drivers that no longer need it
since the PCI core always does it and pci_restore_state() no longer
invalidates the saved state (Lukas Wunner)
- Document use of pci_save_state() by drivers to capture the state
they want restored during error recovery (Lukas Wunner)
Power control:
- Add a struct pci_ops.assert_perst() function pointer to
assert/deassert PCIe PERST# and implement it for the qcom driver
(Krishna Chaitanya Chundru)
- Add DT binding and pwrctrl driver for the Toshiba TC9563 PCIe
switch, which must be held in reset after poweron so the pwrctrl
driver can configure the switch via I2C before bringing up the
links (Krishna Chaitanya Chundru)
Endpoint framework:
- Convert the endpoint doorbell test to use a threaded IRQ to fix a
'sleeping while atomic' issue (Bhanu Seshu Kumar Valluri)
- Add endpoint VNTB MSI doorbell support to reduce latency between
host and endpoint (Frank Li)
New native PCIe controller drivers:
- Add CIX Sky1 host controller DT binding and driver (Hans Zhang)
- Add NXP S32G host controller DT binding and driver (Vincent
Guittot)
- Add Renesas RZ/G3S host controller DT binding and driver (Claudiu
Beznea)
- Add SpacemiT K1 host controller DT binding and driver (Alex Elder)
Amlogic Meson PCIe controller driver:
- Update DT binding to name DBI region 'dbi', not 'elbi', and update
driver to support both (Manivannan Sadhasivam)
Apple PCIe controller driver:
- Move struct pci_host_bridge allocation from pci_host_common_init()
to callers, which significantly simplifies pcie-apple (Marc
Zyngier)
Broadcom STB PCIe controller driver:
- Disable advertising ASPM L0s support correctly (Jim Quinlan)
- Add a panic/die handler to print diagnostic info in case PCIe
caused an unrecoverable abort (Jim Quinlan)
Cadence PCIe controller driver:
- Add module support for Cadence platform host and endpoint
controller driver (Manikandan K Pillai)
- Split headers into 'legacy' (LGA) and 'high perf' (HPA) to prepare
for new CIX Sky1 driver (Manikandan K Pillai)
MediaTek PCIe controller driver:
- Convert DT binding to YAML schema (Christian Marangi)
- Add Airoha AN7583 DT compatible and driver support (Christian
Marangi)
Qualcomm PCIe controller driver:
- Add Qualcomm Kaanapali to SM8550 DT binding (Qiang Yu)
- Add required 'power-domains' and 'resets' to qcom sa8775p, sc7280,
sc8280xp, sm8150, sm8250, sm8350, sm8450, sm8550, x1e80100 DT
schemas (Krzysztof Kozlowski)
- Look up OPP using both frequency and data rate (not just frequency)
so RPMh votes can account for both (Krishna Chaitanya Chundru)
Rockchip DesignWare PCIe controller driver:
- Add Rockchip RK3528 compatible strings in DT binding (Yao Zi)
STMicroelectronics STM32MP25 PCIe controller driver:
- Fix a race between link training and endpoint register
initialization (Christian Bruel)
- Align endpoint allocations to match the ATU requirements (Christian
Bruel)
Synopsys DesignWare PCIe controller driver:
- Clear L1 PM Substate Capability 'Supported' bits unless glue driver
says it's supported, which prevents users from enabling non-working
L1SS. Currently only qcom and tegra194 support L1SS (Bjorn Helgaas)
- Remove now-superfluous L1SS disable code from tegra194 (Bjorn
Helgaas)
- Configure L1SS support in dw-rockchip when DT says
'supports-clkreq' (Shawn Lin)
TI Keystone PCIe controller driver:
- Fail the probe instead of silently succeeding if ks_pcie_of_data
didn't specify Root Complex or Endpoint mode (Siddharth Vadapalli)
- Make keystone buildable as a loadable module, except on ARM32 where
hook_fault_code() is __init (Siddharth Vadapalli)"
* tag 'pci-v6.19-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci: (100 commits)
MAINTAINERS: Add Manivannan Sadhasivam as PCI/pwrctrl maintainer
MAINTAINERS: Add CIX Sky1 PCIe controller driver maintainer
PCI: sky1: Add PCIe host support for CIX Sky1
dt-bindings: PCI: Add CIX Sky1 PCIe Root Complex bindings
PCI: cadence: Add support for High Perf Architecture (HPA) controller
MAINTAINERS: Add NXP S32G PCIe controller driver maintainer
PCI: s32g: Add NXP S32G PCIe controller driver (RC)
PCI: dwc: Add register and bitfield definitions
dt-bindings: PCI: s32g: Add NXP S32G PCIe controller
PCI: Add Renesas RZ/G3S host controller driver
PCI: host-generic: Move bridge allocation outside of pci_host_common_init()
dt-bindings: PCI: Add Renesas RZ/G3S PCIe controller binding
PCI: Validate pci_rebar_size_supported() input
Documentation: PCI: Amend error recovery doc with pci_save_state() rules
treewide: Drop pci_save_state() after pci_restore_state()
PCI/ERR: Ensure error recoverability at all times
PCI/PM: Stop needlessly clearing state_saved on enumeration and thaw
PCI/PM: Reinstate clearing state_saved in legacy and !PM codepaths
PCI: dw-rockchip: Configure L1SS support
PCI: tegra194: Remove unnecessary L1SS disable code
...
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| .. | ||
| 8250 | ||
| jsm | ||
| 21285.c | ||
| Kconfig | ||
| Makefile | ||
| altera_jtaguart.c | ||
| altera_uart.c | ||
| amba-pl010.c | ||
| amba-pl011.c | ||
| apbuart.c | ||
| apbuart.h | ||
| ar933x_uart.c | ||
| arc_uart.c | ||
| atmel_serial.c | ||
| atmel_serial.h | ||
| bcm63xx_uart.c | ||
| clps711x.c | ||
| cpm_uart.c | ||
| cpm_uart.h | ||
| digicolor-usart.c | ||
| dz.c | ||
| dz.h | ||
| earlycon-riscv-sbi.c | ||
| earlycon-semihost.c | ||
| earlycon.c | ||
| esp32_acm.c | ||
| esp32_uart.c | ||
| fsl_linflexuart.c | ||
| fsl_lpuart.c | ||
| icom.c | ||
| imx.c | ||
| imx_earlycon.c | ||
| ip22zilog.c | ||
| ip22zilog.h | ||
| kgdboc.c | ||
| lantiq.c | ||
| liteuart.c | ||
| lpc32xx_hs.c | ||
| ma35d1_serial.c | ||
| max310x.c | ||
| max3100.c | ||
| mcf.c | ||
| men_z135_uart.c | ||
| meson_uart.c | ||
| milbeaut_usio.c | ||
| mpc52xx_uart.c | ||
| mps2-uart.c | ||
| msm_serial.c | ||
| mux.c | ||
| mvebu-uart.c | ||
| mxs-auart.c | ||
| omap-serial.c | ||
| owl-uart.c | ||
| pch_uart.c | ||
| pic32_uart.c | ||
| pmac_zilog.c | ||
| pmac_zilog.h | ||
| pxa.c | ||
| qcom_geni_serial.c | ||
| rda-uart.c | ||
| rp2.c | ||
| rsci.c | ||
| rsci.h | ||
| sa1100.c | ||
| samsung_tty.c | ||
| sb1250-duart.c | ||
| sc16is7xx.c | ||
| sc16is7xx.h | ||
| sc16is7xx_i2c.c | ||
| sc16is7xx_spi.c | ||
| sccnxp.c | ||
| serial-tegra.c | ||
| serial_base.h | ||
| serial_base_bus.c | ||
| serial_core.c | ||
| serial_ctrl.c | ||
| serial_mctrl_gpio.c | ||
| serial_mctrl_gpio.h | ||
| serial_port.c | ||
| serial_txx9.c | ||
| sh-sci-common.h | ||
| sh-sci.c | ||
| sh-sci.h | ||
| sifive.c | ||
| sprd_serial.c | ||
| st-asc.c | ||
| stm32-usart.c | ||
| stm32-usart.h | ||
| suncore.c | ||
| sunhv.c | ||
| sunplus-uart.c | ||
| sunsab.c | ||
| sunsab.h | ||
| sunsu.c | ||
| sunzilog.c | ||
| sunzilog.h | ||
| tegra-tcu.c | ||
| tegra-utc.c | ||
| timbuart.c | ||
| timbuart.h | ||
| uartlite.c | ||
| ucc_uart.c | ||
| vt8500_serial.c | ||
| xilinx_uartps.c | ||
| zs.c | ||
| zs.h | ||