• Linux_5.12

Linux kernel 5.12 changelog.

Other new sources:

• LWN's merge window part 1], [https://lwn.net/Articles/847451/

• Phoronix Linux 5.12 Feature overview

Or take instead a look at the list of Pull Requests:

• networking updates

• ARM SoC platform removals

• ARM SoC updates

• ARM SoC defconfig updates

• ARM SoC devicetree updates

• ARM SoC driver updates

• EDAC updates

• RAS updates

• EFI updates

• x86 platform updates

• x86 paravirt updates

• x86 mm cleanups

• x86 misc updates

• x86 microcode cleanup

• x86 FPU updates

• x86 CPUID cleanup

• x86 resource control updates

• x86 build updates

• x86 asm updates

• tty/serial driver updates

• USB and Thunderbolt updates

• staging and IIO driver updates

• power management updates

• ACPI updates

• PNP updates

• sendfile updates

• ELF compat updates

• namei updates

• jfs updates

• btrfs updates

• f2fs updates

• erofs updates

• nfsd updates

• fsverity updates

• iomap updates

• xfs updates

• oprofile and dcookies removal

• libata updates

• core block updates

• block driver updates

• io_uring updates

• irq updates

• timer updates

• RCU updates

• locking updates

• tlb gather updates

• scheduler updates

• performance event updates

• xen updates

• arm64 updates

• m68k updates

• MIPS updates

• parisc updates

• Hyper-V updates

• KVM updates

• s390 updates

• UML updates

• MTD updates

• JFFS2/UBIFS and UBI updates

• media updates

• sound updates

• drm updates

• tomoyo updates

• selinux updates

• audit updates

• IMA updates

• smack updates

• seccomp updates

• tpm updates

• crypto update

• x86 platform driver updates

• hwmon updates

• i2c updates

• MMC updates

• watchdog updates

• regmap update

• regulator updates

• spi updates

• auxdisplay updates

• backlight updates

• MFD updates

• chrome platform updates

• thermal updates

• clk updates

• power supply and reset updates

• i3c update

• RTC updates

• gpio updates

• devicetree updates

• device mapper updates

• SCSI updates

• rdma updates

• iommu updates

• block IPI updates

• documentation updates

• Kselftest updates

• KUnit updates

• printk updates

• livepatching updates

• kgdb updates

• memblock update

• d_name whack-a-mole

• RCU-safe common_lsm_audit()

• zonefs updates

• exfat updates

• lazytime updates

• fsnotify update

• isofs, udf, and quota updates

• ceph updates

• more nfsd updates

• perf tool updates

• tracing updates

• ARM updates

• powerpc updates

• cgroup updates

• qorkqueue updates

• user namespace update

• kcmp kconfig update

• follow_pfn() updates

• IPMI update

• pin control updates

• clang LTO updates

• objtool updates

• microblaze updates

• module updates

• percpu updates

• idmapped mounts

• gfs2 updates

• HID updates

• input updates

• more power management updates

• more ACPI updates

• dmaengine updates

• sparc updates

• more clang LTO updates

• keyring updates

• arch/nios2 updates

• libnvdimm and device-dax updates

• initial support for CXL (Compute Express Link)

• mailbox updates

• dma-mapping updates

• driver core / debugfs update

• char/misc driver updates

• Simple Firmware Interface (SFI) support removal

• https://git.kernel.org/torvalds/c/719bbd4a509f403f537adcaefd8ce17532be2e84

• hwspinlock updates

• rpmsg updates

• remoteproc updates

• misc memory management updates from Andrew Morton

• x86 irq entry updates

• nds32 updates

• PCI updates

• ext4 updates

• Kbuild updates

• more ACPI updates

• more drm updates

• more MIPS updates

• virtio updates

• pwm updates

• NFS Client Updates

• more memory management updates from Andrew Morton

• more KVM updates

• more xen updates

• RISC-V updates

• pcmcia update

• LED updates

• swiotlb updates

• more io_uring updates

• cifs updates

• more s390 updates

• OpenRISC updates

• misc vfs updates

• io_uring thread rewrite

• more block updates

• more xfs updates

• more SCSI updates

• more RISC-V updates

• arch/csky updates

1. Serial Peripheral Interface (SPI)

• cadence-quadspi: Add QSPI controller support for Intel LGM SoC commit, commit, commit, commit, commit

• Add SPI_NO_TX/RX support commit

• cadence-quadspi: Add DTR support commit

• orion: enable support for switching CS every transferred byte commit

• pxa2xx: Add IDs for the controllers found on Intel Lynxpoint commit

• pxa2xx: Add support for Intel Alder Lake PCH-P commit

• realtek-rtl: Add support for Realtek RTL838x/RTL839x SPI controllers commit

• support CS timing for HW & SW mode commit

• Add Tegra Quad SPI driver commit, commit, commit, commit, commit, commit, commit, commit, commit

• Remove sirf prima/atlas driver commit

• txx9: Remove driver commit

• Drop unused efm32 bus driver commit

2. Watchdog

• Add watchdog driver for Intel Keembay Soc commit

• intel_scu_watchdog: Remove driver for deprecated platform commit

• mt8192: add wdt support commit

• remove coh901 driver commit

• remove sirf atlas driver commit

• remove sirf prima driver commit

• remove tango driver commit

• remove zte zx driver commit

3. Serial

• Drop unused efm32 serial driver commit

• cpm_uart: Add udbg support for enabling xmon commit

• ifx6x60: Remove driver for deprecated platform commit

• owl: Add support for kernel debugger commit

• remove sirf prima/atlas driver commit

4. CPU Frequency scaling

• sfi-cpufreq: Remove driver for deprecated firmware commit

• qcom-hw: enable boost support commit

• Remove tango driver commit

5. Device Voltage and Frequency Scaling

• Add required-opps support to devfreq passive gov commit, commit, commit

6. Voltage, current regulators, power capping, power supply

• power

  • reset: Add poweroff driver for ATC260x PMICs commit

  • reset: at91-sama5d2_shdwc: add support for sama7g5 commit

  • reset: remove zte zx driver commit

  • supply: Add battery gauge driver for Acer Iconia Tab A500 commit

  • supply: Add ltc4162-l-charger commit

  • supply: bq256xx: Introduce the BQ256XX charger driver commit

  • supply: cpcap-battery: Implement capacity reporting commit

• regulator

  • Really implement Qualcomm LAB/IBB regulators commit, commit, commit, commit, commit

  • Add regulator driver for ATC260x PMICs commit

  • Regulator driver for the Mediatek DVFSRC commit

  • bd9571mwv: Add BD9574MWF support commit

  • mt6315: Add support for MT6315 regulator commit

  • pf8x00: Add suspend support commit

  • qcom-rpmh-regulator: add pm8009-1 chip revision commit

  • rt4831: Adds support for Richtek RT4831 DSV regulator commit

  • remove ab3100 driver commit

7. Real Time Clock (RTC)

• pcf8563: Add NXP PCA8565 compatible commit

• remove sirfsoc driver commit

• remove ste ab3100 driver commit

• remove ste coh901 driver commit

• mrst: Remove driver for deprecated platform commit

• tx4939: Remove driver commit

8. Pin Controllers (pinctrl)

• Add RISC-V Canaan Kendryte K210 FPIOA driver commit

• at91-pio4: add support for slew-rate commit

• ingenic: Improve JZ4760 support commit

• qcom: Add SM8350 pinctrl driver commit

• qcom: Add sc8180x TLMM driver commit

• renesas: Initial R8A779A0 (V3U) PFC support commit

• sunxi: Add support for the Allwinner H616 pin controller commit

• sunxi: Add support for the Allwinner H616-R pin controller commit

• tigerlake: Add Alder Lake-P ACPI ID commit

• remove coh901 driver commit

• remove sirf atlas/prima drivers commit

• remove ste u300 driver commit

• remove zte zx driver commit

9. Multi Media Card (MMC)

• eMMC inline encryption support commit, commit, commit, commit, commit, commit, commit, commit

• mmci: Add support for probing bus voltage level translator commit

• sdhci-of-aspeed: Add AST2600 bus clock support commit

• sdhci_am654: Add Support for TI's AM64 SoC commit

• sunxi: add support for A100 mmc controller commit

• remove dw_mmc-zx driver commit

• remove sirf prima/atlas driver commit

10. Memory Technology Devices (MTD)

• parsers: Add Qcom SMEM parser commit

• rawnand: qcom: Add support for Qcom SMEM parser commit

• spi-nor: Add Global Block Unlock command commit

• spi-nor: intel-spi: Add support for Intel Alder Lake-P SPI serial flash commit

• spi-nor: sst: Add support for Global Unlock on sst26vf commit

• rawnand: tango: Remove the driver commit

11. Industrial I/O (iio)

• Add timestamp channel for hid-sensors commit, commit, commit, commit, commit, commit

• accel: kxcjk1013: Add rudimentary regulator support commit

• adc: ad7476: Add LTC2314-14 support commit

• ms_sensors:ms_sensors_i2c: add support for alternative PROM layout commit

• dac: ad5766: add driver support for AD5766 commit

• gyro: bmg160: Add rudimentary regulator support commit

• hid-sensors: Add hinge sensor driver commit

• imu: inv_mpu6050: Add support for MPU-6880 commit

• light:apds9960 add detection for MSHW0184 ACPI device in apds9960 driver commit

• magnetometer: Add driver for Yamaha YAS530 commit

• magnetometer: bmc150: Add rudimentary regulator support commit

• pressure:ms5637: add ms5803 support commit

• xilinx-xadc: Add basic support for Ultrascale System Monitor commit

12. Multi Function Devices (MFD)

• Add driver for Embedded Controller found on Acer Iconia Tab A500 commit

• arizona: Add support for ACPI enumeration of WM5102 connected over SPI commit

• bd9571mwv: Add support for BD9574MWF commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit

• intel-lpss: Add Intel Alder Lake PCH-P PCI IDs commit

• intel-lpss: Add Intel Alder Lake PCH-S PCI IDs commit

• intel-m10-bmc: Expose MAC address and count commit

• intel_msic: Remove driver for deprecated platform commit

13. Pulse-Width Modulation (PWM)

• Remove ZTE ZX driver commit

14. Inter-Integrated Circuit (I2C + I3C)

• Drop unused efm32 bus driver commit

• i801: Add support for Intel Alder Lake PCH-P commit

• mlxcpld: Add support for I2C bus frequency setting commit

• mux: mlxcpld: Extend driver functionality commit, commit, commit, commit, commit, commit

• remove sirf bus driver commit

• remove u300 bus driver commit

• remove zte zx bus driver commit

• i3c: master: svc: Add Silvaco I3C master driver commit

15. Hardware monitoring (hwmon)

• Add AHT10 Temperature and Humidity Sensor Driver commit

• Add Texas Instruments TPS23861 driver commit

• amd_energy: Add AMD family 19h model 30h x86 match commit

• k10temp: Zen3 Ryzen Desktop CPUs support commit

• nct6683: Support ASRock boards commit

• pmbus/max16601: Add support for MAX16508 commit

• pmbus/max31785: Support revision "B" commit

• pwm-fan: Support multiple fan tachometers commit

• abx500: Decomission abx500 driver commit

16. General Purpose I/O (gpio)

• bd9571mwv: Add BD9574MWF support commit

• gpio-xilinx: Update on xilinx gpio driver commit, commit, commit, commit, commit

• intel-mid: Remove driver for deprecated platform commit

• mvebu: add pwm support for Armada 8K/7K commit

• pca953x: Add support for pca9506 commit

• rcar: Add R-Car V3U (R8A779A0) support commit

• remove zte zx driver commit

• visconti: Add Toshiba Visconti GPIO support commit

• msic: Remove driver for deprecated platform commit

17. Leds

• apu: extend support for PC Engines APU1 with newer firmware commit

• lgm: Add LED controller driver for LGM SoC commit

• trigger: implement a tty trigger commit

18. DMA engines

• Add Intel LGM SoC DMA support commit

• dw-axi-dmac: support Intel KeemBay AxiDMA commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit

• idxd: add module parameter to force disable of SVA commit

• jz4780: Add support for the JZ4760(B) commit

• owl: Add compatible for the Actions Semi S500 DMA controller commit

• rcar-dmac: Add support for R-Car V3U commit

• remove coh901318 driver commit

• remove sirfsoc driver commit

• remove zte zx driver commit

• ti: k3-udma: Add support for burst_size configuration for mem2mem commit

19. Cryptography hardware acceleration

• hisilicon: add ZIP device using mode parameter commit

• hisilicon/hpre: enable Elliptic curve cryptography commit

• Add Keem Bay OCS HCU driver commit, commit, commit, commit, commit

• octeontx2: Add Support for Marvell OcteonTX2 CPT engine commit, commit, commit, commit, commit, commit, commit, commit, commit

• sun4i-ss: enabled stats via debugfs commit

• picoxcell: Remove PicoXcell driver commit

• mediatek: remove obsolete driver commit

20. PCI

• brcmstb: support BCM4908 with external PERST# signal controller commit

• layerscape: Add LX2160A rev2 EP mode support commit

• microchip: Add Microchip PolarFire PCIe controller driver commit

• Remove tango host controller driver commit

21. Non-Transparent Bridge (NTB)

• Implement NTB Controller using multiple PCI EP commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit

• Add support for EPF PCI Non-Transparent Bridge commit

22. Thunderbolt

• Add support for PCIe tunneling disabled (SL5) commit

• Add support for de-authorizing devices commit

• Add support for native USB4 _OSC commit

• Allow disabling XDomain protocol commit

23. Clock

• Add RISC-V Canaan Kendryte K210 clock driver commit

• clk-axiclkgen: add ZynqMP PFD and VCO limits commit

• imx8mm: add clkout1/2 support commit

• imx8mn: add clkout1/2 support commit

• imx8mq: add PLL monitor output commit

• mstar: MStar/SigmaStar MPLL driver commit

• qcom: Add A7 PLL support commit

• qcom: Add Global Clock controller (GCC) driver for SC7280 commit

• qcom: Add SDM660 GPU Clock Controller (GPUCC) driver commit

• qcom: Add SDX55 APCS clock controller support commit

• qcom: clk-alpha-pll: Add support for Lucid 5LPE PLL commit

• qcom: gcc-sm8350: add gdsc commit

• qcom: gcc: Add clock driver for SM8350 commit

• qcom: gcc: Add global clock controller driver for SC8180x commit

• qcom: rpmh: Add support for RPMH clocks on SC7280 commit

• qcom: rpmhcc: Add sc8180x rpmh clocks commit

• renesas: r8a77965: Add TMU clocks commit

• renesas: r8a7796: Add TMU clocks commit

• renesas: r8a77990: Add TMU clocks commit

• renesas: r8a77995: Add TMU clocks commit

• renesas: v3u: add & update (H)SCIF nodes commit, commit, commit, commit, commit

• renesas: v3u: add SDHI/MMC support commit, commit, commit, commit, commit, commit

• renesas: v3u: add support for RWDT commit, commit, commit, commit

• renesas: r8a779a0: Add FCP and VSP support commit, commit, commit

• socfpga: agilex: add clock driver for eASIC N5X platform commit

• sunxi-ng: Add support for the Allwinner H616 CCU commit

• sunxi-ng: Add support for the Allwinner H616 R-CCU commit

• vc5: Add support for optional load capacitance commit

• Drop unused efm32gg driver commit

• clocksource: atlas: Remove sirf atlas driver commit

• clocksource: prima: Remove sirf prima driver commit

• clocksource: tango: Remove tango driver commit

• clocksource: u300: Remove the u300 driver commit

• remove sirf prima2/atlas drivers commit

• remove tango4 driver commit

• remove u300 driver commit

• remove zte zx driver commit

24. PHY ("physical layer" framework)

• Add Support for SM8350 UFS commit, commit, commit

• SM8350 USB phy commit, commit, commit

• phy-brcm-usb: support PHY on the BCM4908 commit

• qcom-qmp: Add SC8180X UFS phy commit

• qcom-qmp: Add SC8180X USB phy commit

• qcom-qmp: Add support for SDX55 QMP PHY commit

• qcom-qusb2: Add configuration for SDM660 commit

• qcom-qusb2: add QUSB2 support for IPQ6018 commit

25. CXL (Compute Express Link)

• CXL 2.0 Support commit, commit, commit, commit, commit, commit, commit, commit

26. Various

• bus: fsl-mc: enhance Management Complex userspace support commit, commit, commit, commit, commit

• PCI: Add Silicom Denmark vendor ID commit

• PCI: Add TI J721E device to PCI IDs commit

• bus: mhi: core: Add device hardware reset support commit

• bus: sunxi-rsb: Implement runtime power management commit

• coresight: Add support for v8.4 SelfHosted tracing commit

• coresight: etm-perf: Support PID tracing for kernel at EL2 commit

• coresight: etm4x: Add support for sysreg only devices commit

• coresight: etm4x: add AMBA id for Cortex-A55 and Cortex-A75 commit

• drivers/soc/litex: support 32-bit subregisters, 64-bit CPUs commit

• soc: atmel: add support for sama7g5 commit

• soc: qcom: rpmpd: Add msm8994 RPM Power Domains commit

• fpga: dfl: add dfl bus support to MODULE_DEVICE_TABLE() commit

• fpga: dfl: add support for N3000 Nios private feature commit

• habanalabs: add CS completion and timeout properties commit

• habanalabs: add driver support for internal cb scheduling commit

• habanalabs: add new mem ioctl op for mapping hw blocks commit

• habanalabs: staged submission support commit

• habanalabs: support fetching first available user CQ commit

• habanalabs: support non power-of-2 DRAM phys page sizes commit

• hwspinlock: omap: Add support for K3 AM64x SoCs commit

• interconnect: qcom: Add MSM8939 interconnect provider driver commit

• interconnect: qcom: Add SDX55 interconnect provider driver commit

• interconnect: qcom: Consolidate interconnect RPM support commit

• irqchip/ingenic: Add support for the JZ4760 commit

• irqchip/sun6i-r: Use a stacked irqchip driver commit

• irqchip: Add support for Realtek RTL838x/RTL839x interrupt controller commit

• irqchip: Remove sigma tango driver commit

• irqchip: Remove sirfsoc driver commit

• mailbox: omap: Add support for K3 AM64x SoCs commit

• mailbox: qcom: Add SC8180X apcs compatible commit

• mailbox: qcom: Add support for SDX55 APCS IPC commit

• mei: add support for client dma capability commit

• mei: hbm: add client dma hbm messages commit

• mei: implement client dma setup commit

• mei: me: add adler lake point LP DID commit

• mei: me: add adler lake point S DID commit

• memory: dfl-emif: add the DFL EMIF private feature driver commit

• memory: tegra124: Support interconnect framework commit

• mhi: pci_generic: Misc improvements commit, commit, commit, commit, commit, commit, commit, commit, commit

• misc: bcm-vk: Add Broadcom VK driver commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit

• misc: pti: Remove driver for deprecated platform commit

• misc: pvpanic: introduce device capability commit

• misc: pvpanic: introduce events device attribue commit

• misc: remove atmel_tclib commit

• nvmem: Add driver to expose reserved memory as nvmem commit

• of: property: Add fw_devlink support for more props commit, commit

• of: Make fw_devlink=on more forgiving commit, commit, commit, commit, commit, commit, commit, commit

• remoteproc/mediatek: support L1TCM commit

• remoteproc: ingenic: Add module parameter 'auto_boot' commit

• remoteproc: qcom: pas: Add SM8350 PAS remoteprocs commit

• remoteproc: qcom_wcnss: Add qcom,wcn3660b compatible commit

• reset: simple: add BCM4908 MISC PCIe reset controller support commit

• sfi: Remove framework for deprecated firmware commit

• speakup: Make dectlk flush timeout configurable commit

• tpm: add i2c driver for cr50 commit

27. List of Pull Requests

28. Other news sites

• LWN's merge window part 1], [https://lwn.net/Articles/847451/

• Phoronix Linux 5.12 Feature overview