2017.3 Linux and DTG Release Notes

Linux Changes

Module Name	Driver Location	Changes	Link
Linux kernel	Linux kernel source	No change. It is the same v4.9. Rebased tree also available	https://kernelnewbies.org/Linux_4.9 https://github.com/Xilinx/linux-xlnx/tree/xlnx_rebase_v4.9
ZynqMP AMS	drivers/iio/adc/xilinx-ams	Add suspend resume support.	http://www.wiki.xilinx.com/ZynqMP+AMS
AXI Traffic generator	drivers/misc/xilinx_trafgen.c	No Changes	http://www.wiki.xilinx.com/Linux+Trafficgen+Driver
PS CAN, AXI CAN and AXI CANFD	drivers/net/can/xilinx_can.c	Fixed runtime power management code	http://www.wiki.xilinx.com/Linux+CAN+driver
devcfg/Zynq PL Programming	drivers/char/xilinx_devcfg.c	Fix kernel doc warnings Fix warnings in the driver Remove xilinx_devcfg.h header Remove unneeded PCFG_PROG_B assertion	http://www.wiki.xilinx.com/Solution+Zynq+PL+Programming
FPGA Manager/ZynqMP PL programming	drivers/fpga/zynqmp-fpga.c	Removed Authenticated Bit-stream loading support	http://www.wiki.xilinx.com/Solution+ZynqMP+PL+Programming
Soft DMAs (AXIDMA, AXICDMA, AXIVDMA)	drivers/dma/xilinx/xilinx_dma.c	AXI DMA Fixed issues with dma_get_slave_caps API for AXI DMA configuration. AXI VDMA Fixed issues with vdma mulit fstore configuration.	http://www.wiki.xilinx.com/DMA+Drivers+-+Soft+IPs
ZynqMP DMA (ADMA, GDMA)	drivers/dma/xilinx/zynqmp_dma.c	Fixed issue driver does not work when CONFIG_PM is not set and ignore_unused is not passed. Fixed race conditions in the prep_sg	http://www.wiki.xilinx.com/Zynqmp+DMA
EDAC driver	drivers/edac/synopsys_edac.c		http://www.wiki.xilinx.com/Zynq+EDAC+Driver
Zynq, ZynqMP Ethernet, macb	drivers/net/ethernet/cadence/macb.c	Added support for partial store and forward Added support for macb suspend/resume	http://www.wiki.xilinx.com/Macb+Driver
Zynq/Zynq Ultrascale+ MPSOC/Microblaze Axi Ethernet	drivers/net/ethernet/xilinx/xilinx_axienet_main.c drivers/net/ethernet/xilinx/xilinx_axienet_mdio.c drivers/net/ethernet/xilinx/xilinx_axienet.h	Added Support for Ethernet MCDMA Confgiuration Added Support for 1588 in buffered mode configuration.	http://www.wiki.xilinx.com/Linux+AXI+Ethernet+driver
ZynqMP Clock Framework	drivers/clk/zynqmp/clkc.c drivers/clk/zynqmp/clk-mux-zynqmp.c drivers/clk/zynqmp/pll.c drivers/clk/zynqmp/clk-gate-zynqmp.c drivers/clk/zynqmp/divider.c	No Changes	http://www.wiki.xilinx.com/Common+Clock+Framework
Zynq Ultrascale+ MPSOC USB	drivers/usb/dwc3/	Added UASP (USB Attached SCSI PROTOCOL)support for host and device mode Added SMMU support for HOST and DEVICE mode Added workaround for BULK IN streams in HOST UAS mode Add support for disabling clock during suspend Add support for removing VBUS when suspended Corrected errors when dwc3 loaded as module	http://www.wiki.xilinx.com/Zynq+Ultrascale+MPSOC+Linux+USB+device+driver
AXI USB	drivers/usb/gadget/udc/udc-xilinx.c	No Changes	http://www.wiki.xilinx.com/AXI+USB+gadget+driver
Zynq Ultrascale+ MPSOC SATA	drivers/ata/ahci_ceva.c	Corrected suspend/resume logic for SATA Added SMMU support for SATA	http://www.wiki.xilinx.com/SATA
Zynq and Zynq MP PS UART	drivers/tty/serial/xilinx_uartps.c	Fix kernel doc warnings Fix warnings in the driver	http://www.wiki.xilinx.com/PS+UART
Zynq Ultrascale+ MPSOC NAND	drivers/mtd/nand/arasan_nand.c	Added runtime support Add 64bit dma support	http://www.wiki.xilinx.com/NAND
Zynq and ZynqMP PS WDT	drivers/watchdog/cadence_wdt.c	Fix issue with timeout-sec dt property Make of_device_ids const. Enable access to module parameters Show information when driver is probed	http://www.wiki.xilinx.com/Cadence+WDT+Driver
Zynq and ZynqMP SD Controller	drivers/mmc/host/sdhci-of-arasan.c	add support for switching to UHS-I modes on ZynqMP Platform	http://www.wiki.xilinx.com/SD+controller
Zynq/ Zynq Ultrascale+ MPSoC GPIO	drivers/gpio/gpio-zynq.c	Fix kernel doc warnings Fix warnings in the driver Shift zynq_gpio_init() to subsys_initcall level Clarify quirk and provide helper function Provided workaround for GPIO >	http://www.wiki.xilinx.com/Linux+GPIO+Driver
ZynqMP Serdes/GT	drivers/phy/phy-zynqmp.c	Use the configured GT lane instead of hardcoding a value into ICM_CFG1 for tx termination fix	http://www.wiki.xilinx.com/Zynq+Ultrascale+MPSOC+Linux+SIOU+driver
axi_gpio	drivers/gpio/gpio-xilinx.c	Fix kernel doc warnings Fix warnings in the driver	http://www.wiki.xilinx.com/AXI+GPIO
ZynqMP pinctrl	drivers/pinctrl/pinctrl-zynqmp.c	make it explicitly non-modular Remove additional space in DRIVE_STRENGTH Use new firmware.h instead of pm.h	http://www.wiki.xilinx.com/ZynqMP+Linux+Pin+Controller+Driver
AXI PM (Zynq, ZynqMP AXIPM)	drivers/uio/uio_xilinx_apm.c	Added Runtime support	http://www.wiki.xilinx.com/APM
Zynq/ZynqMp I2C Controller	drivers/i2c/busses/i2c-cadence.c	Re-order the interrupt enable sequence in the i2c send and receive path Fixed repeated start not holding the bus long enough Remove pm_runtime_disable	http://www.wiki.xilinx.com/Cadence+I2C+Driver
GMII2RGMII converter	drivers/net/phy/xilinx_gmii2rgmii.c	Fix mask value write on gmii2rgmii converter speed register	http://www.wiki.xilinx.com/Xilinx+GMII2RGMII+convertor
Xilinx DRM KMS	drivers/gpu/drm/xilinx/*	Style changes Add a SDI Tx driver Fix for HDMI adapter issue of ZU+ DP Fix for some inter-op issue of ZU+ DP Add debugfs for ZU+ DP	http://www.wiki.xilinx.com/Xilinx+DRM+KMS+driver

Linux Bug Fixes

Module Name	Driver Location	Bug Fixes	Link
Zynq/Zynq Ultrascale+ MPSOC/Microblaze AXI DMA/CDMA/VDMA	drivers/dma/xilinx/xilinx_dma.c	AXI DMA Fixed issues with dma_get_slave_caps API for AXI DMA configuration. AXI VDMA Fixed issues with vdma mulit fstore configuration.	http://www.wiki.xilinx.com/DMA+Drivers+-+Soft+IPs
ZynqMP DMA (ADMA, GDMA)	drivers/dma/xilinx/zynqmp_dma.c	Fixed issue driver does not work when CONFIG_PM is not set and ignore_unused is not passed. Fixed race conditions in the prep_sg	http://www.wiki.xilinx.com/Zynqmp+DMA
ZynqMP AMS	drivers/iio/adc/xilinx-ams	add missing break in AMS_SUPPLY[78] cases reset [ps\|pl]-sysmon before channel config	http://www.wiki.xilinx.com/ZynqMP+AMS
Zynqmp QSPI	drivers/spi/spi-zynqmp-gqspi.c	Fixed issues with restoring clocks	http://www.wiki.xilinx.com/Linux+ZynqMP+GQSPI+Driver
Zynq/ZynqMP SPI	drivers/spi/spi-cadence.c	Updated the sequence of calling PM apis	http://www.wiki.xilinx.com/SPI+Zynq+driver
Common Clock Framework	drivers/clk/zynqmp/clkc.c	Fix the usb mux offset	http://www.wiki.xilinx.com/Common+Clock+Framework
Axi Traffic Generator	drivers/misc/xilinx_trafgen.c	Fix an issue with the clearing of RAM	http://www.wiki.xilinx.com/Linux+Trafficgen+Driver
PS CAN, AXI CAN and AXI CANFD	drivers/net/can/xilinx_can.c	Fix runtime power management code	http://www.wiki.xilinx.com/Linux+CAN+driver
Zynq Ultrascale+ MPSOC USB	drivers/usb/dwc3/	Added workaround for BULK IN streams in HOST UAS mode Add support for disabling clock during suspend Add support for removing VBUS when suspended Corrected errors when dwc3 loaded as module	http://www.wiki.xilinx.com/Zynq+Ultrascale+MPSOC+Linux+USB+device+driver
ZynqMP Serdes/GT	drivers/phy/phy-zynqmp.c	Use the configured GT lane instead of hardcoding a value into ICM_CFG1 for tx termination fix	http://www.wiki.xilinx.com/Zynq+Ultrascale+MPSOC+Linux+SIOU+driver
Zynq and ZynqMP SD Controller	drivers/mmc/host/sdhci-of-arasan.c	For SD boot issues preventing SD driver deferred probe after host init add support for switching to UHS-I modes even if there is not provision for SD power cycle	http://www.wiki.xilinx.com/SD+controller

DTG Feature Changes

Module Name	Feature Changes	Link
Generic	Cascade Interrupt controller support in DTG	http://www.wiki.xilinx.com/Cascade+Interrupt+Controller+support+in+DTG
xdma support	Added support for xdma.

DTG Bug Fixes

Module Name	Bug Fixes	Link
axi_cdma/axi_vdma	Fixes the addition of misc_clk node in cdma/vdma	https://github.com/Xilinx/device-tree-xlnx/commit/4669bd31b09794edf0ebaeaa4aac0bdbc8d67ef5
qspi	Adds the bus-width parameter in qspi	https://github.com/Xilinx/device-tree-xlnx/commit/bcbcfb812a24a0ecb319495a1cb5d9a9dfd0da86
common	Fix the logic when peripheral wont connect to interrupt controller	https://github.com/Xilinx/device-tree-xlnx/commit/4e8f59b15abe94494e05c08adab91e709271f914

Answer Records (ARs)

Module Name	AR Title	AR Link
Zynq, ZynqMP Ethernet, macb	Common MDIO bus support for Multi MAC-Multi PHY configuration	https://www.xilinx.com/support/answers/69132.html

Xilinx Wiki

2017.3 Linux and DTG Release Notes

2017.3 Linux and DTG Release Notes

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