Linux 4.20 is under development. To read more information about this incoming release, and while this page is completed, you can read the following news sources:

• LWN's merge window part 1, part 2

• Phoronix The Many New Features of The Linux 4.20 Kernel

OR, alternatively, take a look at the pull requests:

• Pull arm64 updates

• Pull block layer updates

• Pull libata updates

• Pull dma mapping updates

• Pull hwmon updates

• Pull mtd updates

• Pull regmap updates

• Pull spi updates

• Pull regulator updates

• Pull MMC updates

• Pull pin control updates

• Pull GPIO updates

• Pull LED updates

• Pull IPMI updates

• Pull power management updates

• Pull ACPI updates

• Pull ia64 updates

• Pull s390 updates

• Pull RCU updates

• Pull EFI updates

• Pull locking and misc x86 updates

• Pull perf updates

• Pull RAS updates

• Pull scheduler updates

• Pull x86 apic updates

• Pull x86 asm updates

• Pull x86 boot updates

• Pull x86 build update

• Pull x86 cpu updates

• Pull x86 grub2 updates

• Pull x86 hyperv updates

• Pull x86 mm updates

• Pull x86 paravirt updates

• Pull x86 platform updates

• Pull x86 pti updates

• Pull x86 vdso updates

• Pull ARM updates

• Pull parisc updates

• Pull sparc updates

• Pull networking updates

• Pull siginfo updates

• Pull SELinux updates

• Pull security subsystem updates

• Pull pstore updates

• Pull tty ioctl updates

• Pull btrfs updates

• Pull jfs updates

• Pull orangefs updates

• Pull gfs2 updates

• Pull xfs updates

• Pull f2fs updates

• Pull ext4 updates

• Pull documentation updates

• Pull MFD updates

• Pull backlight updates

• Pull HID updates

• Pull power supply and reset updates

• Pull libnvdimm updates

• Pull EDAC updates

• Pull dmaengine updates

• Pull PCI updates

• Pull SCSI updates

• Pull sound updates

• Pull timekeeping updates

• Pull irq updates

• Pull alpha syscall glue updates

• Pull more ->lookup() cleanups

• Pull integrity updates

• Pull TPM updates

• Pull smack updates

• Pull LoadPin updates

• Pull crypto updates

• Pull printk updates

• Pull cgroup updates

• Pull KVM updates

• Pull RISC-V updates

• Pull rdma updates

• Pull USB/PHY updates

• Pull driver core updates

• Pull char/misc driver updates

• Pull IOMMU updates

• Pull more dma-mapping updates

• Pull thermal SoC updates

• Pull Devicetree updates

• Pull more block layer updates

• Pull device mapper updates

• Pull md updates

• Pull cifs updates

• Pull NFS client updates

• Pull powerpc updates

• Pull MIPS updates

• Merge memory management updates from akpm

• Pull RTC updates

• Pull input updates

• Pull watchdog updates

• Pull XArray conversion

• Pull kselftest updates

• Pull Kbuild updates

• Pull VLA removal

• Pull drm updates

• Pull C-SKY architecture port

• Pull 9p updates

• Pull fsnotify updates

• Pull ext2 and udf updates

• Pull mailbox updates

• Pull staging/IIO driver updates

• Pull tty/serial updates

• Pull media updates

• Pull i2c updates

• Pull parisc updates

• Pull ARM SoC device tree updates

• Pull ARM SoC defconfig updates

• Pull ARM SoC driver updates

• Pull ARM SoC platform updates

• Pull remoteproc updates

• Pull rpmsg updates

• Pull more btrfs updates

• Pull more power management updates

• Pull more ACPI updates

• Pull tracing updates

• Pull nfsd updates

• Merge more memory management updates from akpm

• Pull new experimental media request API

• Pull VFIO updates

• Pull clk updates

• Pull thermal management updates

• Pull fbdev updates

• Pull ceph updates

• Pull fuse updates

• Pull UML updates

• Pull more RISC-V updates

• Pull chrome-platform updates

• Pull x86 platform driver updates

• Pull stackleak gcc plugin

• Pull virtio/vhost updates

• Pull overlayfs updates

• Pull keys updates

• Pull compiler attribute updates

• Pull AFS updates

• Pull misc vfs updates

• Pull RISC-V defconfig update

• Pull apparmor updates

• Pull more EDAC updates

• Pull pwm updates

• Merge more memory management updates from akpm

• Pull more SCSI updates

• Pull cifs updates

• Pull Kbuild updates

• Pull perf updates and fixes

• Pull NTB updates

• Pull more timer updates

• Pull UBIFS updates

1. Serial Peripheral Interface (SPI)

• spi: add support for Amazon's Alpine spi controller commit

• Introduce new driver for Qualcomm QuadSPI controller commit

• at91-usart: Add driver for at91-usart as SPI commit

• dw-mmio: add MSCC Jaguar2 support commit

• mediatek: add spi slave for Mediatek MT2712 commit

• omap2-mcspi: Add slave mode support commit

• spi-geni-qcom: Add SPI driver support for GENI based QUP commit

• spi-mem: add stm32 qspi controller commit

• sprd: Add SPI driver for Spreadtrum SC9860 commit

2. Watchdog

• Add support for Armada 37xx CPU watchdog commit

• w83627hf_wdt: Support NCT6796D, NCT6797D, NCT6798D commit

3. Serial

• Add ISO7816 infrastructure commit

• sh-sci: Add earlycon for R7S9210 commit

• 8250_uniphier: add auto-flow-control support commit

• atmel: add ISO7816 support commit

4. ACPI, EFI, cpufreq, thermal, Power Management

• ACPI

  • LPSS: Add alternative ACPI HIDs for Cherry Trail DMA controllers commit

  • ADXL: Add address translation interface using an ACPI DSM commit

  • TAD: Add low-level support for real time capability commit

• efi: add API to reserve memory persistently across kexec reboot commit

• tools: sleepgraph and bootgraph: upgrade to v5.2 commit, commit

• cpufreq: intel_pstate: Add base_frequency attribute commit, commit

• thermal

  • hisi: Add multiple sensors support commit

  • hisi: Add the dual clusters sensors for hi3660 commit

  • Add stm32 thermal driver commit

5. Real Time Clock (RTC)

• ds1307: add frequency_test_enable attribute on m41txx commit

• ds1307: add offset sysfs for mt41txx chips commit

• abx80x: add basic watchdog support commit

• rv8803: add Epson RX8803 support commit

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

• power: supply

  • Add Spreadtrum SC2731 charger support commit

  • bq25890_charger: Add the BQ25896 part commit

  • bq27xxx: Add support for BQ27411 commit

  • reset: qcom-pon: Add pms405 pon support commit

• regulator

  • Add consumer-requested load in regulator_summary commit

  • Add the opmode to regulator_summary commit

  • mfd: Support ROHM BD71847 power management IC commit

  • lochnagar: Add support for the Cirrus Logic Lochnagar commit

  • qcom: Add PMS405 regulators commit

  • stpmic1: add stpmic1 regulator driver commit

7. Pin Controllers (pinctrl)

• bcm: add Northstar driver commit

• ingenic: Add support for the JZ4725B commit

• mediatek: add MT6765 pinctrl driver commit

• mediatek: add MT7623 pinctrl driver based on generic pinctrl binding commit

• mediatek: add MT8183 pinctrl driver commit

• mediatek: add pinctrl-paris that implements the vendor dt-bindings commit

• meson-g12a: add pinctrl driver support commit

• nuvoton: add NPCM7xx pinctrl and GPIO driver commit

• qcom: Add qcs404 pinctrl driver commit

• qcom: Add sdm660 pinctrl driver commit

• renesas: Renesas RZ/N1 pinctrl driver commit

• sh-pfc: r8a7791: Add r8a7744 support commit

• sh-pfc: r8a7796: Add R8A774A1 PFC support commit

• sh-pfc: r8a77990: Add R8A774C0 PFC support commit

8. Multi Media Card (MMC)

• mediatek: add MT8183 MMC driver support commit

• mmci: add stm32 sdmmc variant commit

• sdhci-iproc: Add ACPI support commit

• sdhci-sprd: Add Spreadtrum's initial host controller commit

• sdhci: Add Auto CMD Auto Select support commit

• tegra: Enable UHS and HS200 modes for Tegra186 commit

• tegra: Enable UHS and HS200 modes for Tegra210 commit

• uniphier-sd: add UniPhier SD/eMMC controller driver commit

9. Memory Technology Devices (MTD)

• rawnand: toshiba: Add support for Toshiba Memory BENAND (Built-in ECC NAND) commit

• rawnand: Remove docg4 commit

• spi-nor: add support to non-uniform SFDP SPI NOR flash memories commit

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

10. Industrial I/O (iio)

• adc: Add QCOM SPMI PMIC5 ADC driver commit

• adc: add support for mcp3911 commit

• adc: sc27xx: Add raw data support commit

• adxl372: New driver for Analog Devices ADXL372 Accelerometer commit

• dac: add support for ltc1660 commit

• imu: st_lsm6dsx: add support to LSM6DSO commit

• proximity: Add driver support for ST's VL53L0X ToF ranging sensor commit

• tsl2772: add support for avago,apds9930 commit

• adxl372: Add filter bandwidth support commit

• adxl372: Add sampling frequency support commit

11. Inter-Integrated Circuit (I2C)

• Add i2c bus driver for NVIDIA GPU commit

12. Hardware monitoring (hwmon)

• nct6775: Add support for NCT6798D commit

• nct6775: Add support for NCT6797D commit

• lm75: Add MAX31725/6 support commit

• pmbus/ltc2978: Add support for LTM4686 uModule commit

13. General Purpose I/O (gpio)

• add single-register GPIO via CREG driver commit

• ingenic: Remove driver commit

14. Leds

• Introduce LED pattern trigger commit

• sc27xx: Add pattern_set/clear interfaces for LED controller commit

• add Panasonic AN30259A support commit

15. DMA engines

• dma-jz4780: Add support for the JZ4725B SoC commit

• dma-jz4780: Add support for the JZ4740 SoC commit

• dma-jz4780: Add support for the JZ4770 SoC commit

• dw: Add alternative ACPI HIDs for Cherry Trail DMA controllers commit

• fsl-edma: add ColdFire mcf5441x edma support commit

• owl: Add Slave and Cyclic mode support for Actions Semi Owl S900 SoC commit

16. Cryptography hardware acceleration

• caam/qi2: add DPAA2-CAAM driver commit, commit, commit

• cavium/nitrox: Added support for SR-IOV configuration commit

• cavium/nitrox: add support for per device request statistics commit

• cavium/nitrox: added support to identify the NITROX device partname commit

• cavium/nitrox: updated debugfs information commit

• ccp: add timeout support in the SEV command commit

• s5p-sss: Add aes-ctr support commit

17. PCI

• P2PDMA: Support peer-to-peer memory commit, commit

• imx: Add PME_Turn_Off support commit

• imx: Initial imx7d pm support commit

18. Non-Transparent Bridge (NTB)

• idt: Add basic hwmon sysfs interface commit

19. Clock

• Add Ingenic jz4725b CGU driver commit

• actions: Add Actions Semi Owl SoCs Reset Management Unit support commit

• actions: Add Actions Semi S700 SoC Reset Management Unit support commit

• actions: Add Actions Semi S900 SoC Reset Management Unit support commit

• at91: add at91sam9260 PMC driver commit

• at91: add at91sam9rl PMC driver commit

• at91: add at91sam9x5 PMCs driver commit

• at91: add sama5d2 PMC driver commit

• at91: add sama5d4 pmc driver commit

• qcom: Add Global Clock controller (GCC) driver for SDM660 commit

• qcom: Add HFPLL driver commit

• qcom: Add KPSS ACC/GCC driver commit

• qcom: Add Krait clock controller driver commit

• qcom: Add camera clock controller driver for SDM845 commit

• qcom: Add support for Krait clocks commit

• qcom: Add support for RCG to register for DFS commit

• qcom: gcc: Add global clock controller driver for QCS404 commit

• renesas: cpg-mssr: Add R7S9210 support commit

• renesas: cpg-mssr: Add r8a774a1 support commit

• renesas: r8a7743: Add r8a7744 support commit

• c-sky: Add C-SKY SMP timer commit

• c-sky: Add gx6605s SOC system timer commit

• Add ZynqMP clock driver commit

20. Firmware

• dcdbas: Add support for WSMT ACPI table commit

• imx: add SCU firmware driver support commit

• imx: add misc svc support commit

• meson_sm: Add serial number sysfs entry commit

• qcom: scm: Add WLAN VMID for Qualcomm SCM interface commit

• xilinx: Add Zynqmp firmware driver commit

• xilinx: Add debugfs for query data API commit

• xilinx: Add debugfs interface commit

• xilinx: Add zynqmp IOCTL API for device control commit

21. IOMMU

• arm-smmu-v3: Add support for non-strict mode commit

• arm-smmu: Support non-strict mode commit

• dma: Add support for non-strict mode commit

• io-pgtable-arm-v7s: Add support for non-strict mode commit

• io-pgtable-arm: Add support for non-strict mode commit

• vt-d: Add debugfs support for Interrupt remapping commit

• vt-d: Add debugfs support to show context internals commit

• vt-d: Add debugfs support to show register contents commit

• vt-d: Enable base Intel IOMMU debugfs support commit

• Add "iommu.strict" command line option commit

22. PHY

• Add driver for Cadence MHDP DisplayPort SD0801 PHY commit

• add Rockchip Innosilicon hdmi phy commit

• add driver for Microsemi Ocelot SerDes muxing commit

• phy-pxa-usb: add a new driver commit

• socionext: add PCIe PHY driver support commit

• socionext: add USB2 PHY driver for UniPhier SoC commit

• socionext: add USB3 PHY driver for UniPhier SoC commit

23. IRQ chip

• irq-mvebu-icu: Add support for System Error Interrupts (SEI) commit

• irq-mvebu-sei: Add new driver for Marvell SEI commit

• add C-SKY APB bus interrupt controller commit

• add C-SKY SMP interrupt controller commit

24. Various

• edac: Add EDAC driver support for QCOM SoCs commit

• eeprom: New ee1004 driver for DDR4 memory commit

• gsmi: Add GSMI commands to log S0ix info commit

• remoteproc: qcom: Introduce Non-PAS ADSP PIL driver commit

• reset: qcom: PDC Global (Power Domain Controller) reset controller commit

• slimbus: core: add support to uevent commit

• soundwire: Add support for multi link bank switch commit

25. List of merges

26. Other news sites