Arm-dev

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Thanks for the new armv7hl kernel
by Robert Moskowitz 18 Jun '17

18 Jun '17

Anything to note about the new kernelll? Trivial question, why is it 4.9.30-203 and not 4.9.30-204, replacing 4.9.13-203? Also how do people claim to have the linux box up for 6 mo or more when kernel updates come out more frequently than that? Not that I mind having to install a new kernel... thanks Bob

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add arm sbsa watchdog support and update clock source driver
by Khuong Dinh 16 Jun '17

16 Jun '17

Hi Jim, Can you please help to integrate the attached patches to sig-altarch7-aarch64. + 1036-add-support-arm-sbsa-watchdog-driver This is a roll up of the following upstreamed patches for supporting arm sbsa watchdog driver. e035d8f watchdog: sbsa: Drop status function. 57d2caa Watchdog: introduce ARM SBSA watchdog driver. + config-centos-sig-enable-arm-sbsa-watchdog-support.patch Enable CONFIG_ARM_SBSA_WATCHDOG + 1037-update-clocksource-driver This is a roll up of the following patches and backport for Centos 7.3 https://patchwork.kernel.org/patch/9133599/ : clocksource/drivers/arm_arch_timer: Add GTDT support for memory-mapped timer https://patchwork.kernel.org/patch/9133595/ : clocksource/drivers/arm_arch_timer: Simplify ACPI support code. https://patchwork.kernel.org/patch/9133597/ : acpi: Add GTDT table parse driver into ACPI driver https://patchwork.kernel.org/patch/9133639/ : clocksource/drivers/arm_arch_timer: Improve printk relevant code https://patchwork.kernel.org/patch/9133593/ : clocksource/drivers/arm_arch_timer: Add a new enum for spi type https://patchwork.kernel.org/patch/9133587/ : clocksource/drivers/arm_arch_timer: Move enums and defines to header file Best regards, Khuong Dinh

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CONFIG_HZ for arm64
by Phong Vo 14 Jun '17

14 Jun '17

Hi Jim and all, I notice that CONFIG_HZ_1000=y in config-generic, and CONFIG_HZ=100 in config-generic. This will result in a final .config for arm64 with CONFIG_HZ_1000=y CONFIG_HZ=1000 instead of 100 as intended. config-arm64 needs to be changed to specify CONFIG_HZ_100=y instead of CONFIG_HZ=100, so the final dotconfig will be CONFIG_HZ_100=y CONFIG_HZ=100 Please comment. -Phong

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Centos 7 on Odroid C2 made from Hardkernel Ubuntu image and a Centos 7 rootfs
by Melitonas 12 Jun '17

12 Jun '17

Hello, Maybe you can help me - my Centos on C2 is not booting. More details here https://github.com/umiddelb/aarch64/issues/3 Regards Melitonas

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Missing xhci-platform.ko in initramfs
by Phong Vo 08 Jun '17

08 Jun '17

Hi Jim, We are working on our next-gen SATA IP and it no longer requires xhci-xgene driver but instead would work with just the standard ahci-platform driver. On testing this, we just realize that ahci-platform.ko is present in CentOS installer initrd, but on installation completion, it is missing from initramfs. We would appreciate if you can take care of this for the next build. -Phong

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updated kernel build - merging APM patches.
by Jim Perrin 06 Jun '17

06 Jun '17

I've merged in the kernel patches Phong and Khuong sent in. This kernel is cycling through the build process, and once I've had a chance to test it, I'll push it as an update. -- Jim Perrin The CentOS Project | http://www.centos.org twitter: @BitIntegrity | GPG Key: FA09AD77

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[Patch] Add support for ACPI Lower Power Idle states (LPI)
by Phong Vo 29 May '17

29 May '17

Hi Jim, Please help integrate the attached patchset for the next CentOS 7.3 build. The patch numbering is in continuation of Khuong's patches recently sent. This is a roll-up of the following upstream patches needed to support ARM64 ACPI LPI: b6ec26f ACPI / processor_idle: replace PREFIX with pr_fmt db62fda ACPI / processor : add support for ACPI0010 processor container 504997c ACPI / sleep: move acpi_processor_sleep to sleep.c states c3fbbf9 ARM: 8586/1: cpuidle: make arm_cpuidle_suspend() a bit more 625fe4f ARM: cpuidle: Pass on arm_cpuidle_suspend()'s return value 35ae713 ACPI / processor_idle: introduce ACPI_PROCESSOR_CSTATE a36a7fe ACPI / processor_idle: Add support for Low Power Idle(LPI) ce3ad71 arm64: cpuidle: drop __init section marker to arm_cpuidle_init 220276e cpuidle: introduce CPU_PM_CPU_IDLE_ENTER macro for ARM{32, 64} 5a611ed arm64: add support for ACPI Low Power Idle(LPI) 8fc85c6 ACPI: enable ACPI_PROCESSOR_IDLE on ARM64 ccd9432 irqchip/gicv3: Remove disabling redistributor and group1 non-secure 8b6f249 ARM: 8511/1: ARM64: kernel: PSCI: move PSCI idle management code to 1d2d8de drivers: firmware: psci: drop duplicate const from psci_of_match 21e8868 drivers: firmware: psci: make two helper functions static 2b9cf18 drivers: firmware: psci: make two helper functions inline 978fa43 drivers: firmware: psci: unify enable-method binding on ARM {64,32}-bit 5e7c17d drivers: firmware: psci: use const and __initconst for psci_cpuidle_ops c2a25c1 drivers: firmware: psci: initialise idle states using ACPI LPI Thanks, -Phong

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rng-tools missing and /dev/hwrng without driver
by SW＠EU 28 May '17

28 May '17

Hi, today I will report a problem that is released to ipa-server. This server contains a certificate authority and such service need many entropy. The default on CentOS 7 on a Banana PI is not enough, i.e. $(cat /proc/sys/kernel/random/entropy_avail) is less than 1000. I have solved this in meantime by installing and enabling of haveged from the EPEL repository. Normally it would be done by installing the rng-tools. But there are two problems: 1. The rng-tools was not in the repositories, so I have downloaded rng-tools-5-8.fc24.armv7hl.rpm because this are the same version which is included in CentOS 7.3 for x86_64. 2. This rng-tools are usable but the daemon starts and stops immediately with the following error message: # rngd -v /dev/hwrng: No such device /dev/tpm0: No such file or directory No entropy sources found, exiting This is not the problem of this binary it is a problem of the Kernel. /dev/hwrng exists and if I remove it then it reappears after reboot, but # ls -l /dev/hwrng crw-------. 1 root root 10, 183 1. Jan 1970 /dev/hwrng # udevadm info -a -n /dev/hwrng Udevadm info starts with the device specified by the devpath and then walks up the chain of parent devices. It prints for every device found, all possible attributes in the udev rules key format. A rule to match, can be composed by the attributes of the device and the attributes from one single parent device. looking at device '/devices/virtual/misc/hw_random': KERNEL=="hw_random" SUBSYSTEM=="misc" DRIVER=="" ATTR{rng_current}=="none" ATTR{rng_available}=="" there is no driver for this device. I have searched and found this link http://forum.lemaker.org/thread-23618-1-1.html which includes a link to the full story. If I read all right then on bananian /dev/hwrng appears only if the adapted or a more actual sun4i-ss.ko module is loaded (there is written: "module author has indicated this will be going into the mainline kernel shortly“). This module is also loaded on a Banana PI with current CentOS 7. So does the kernel of CentOS 7.3 for ARM32 include this patch and if yes why it does not work or otherwise why this device appears but has no driver? TIA, Silvio Sent with [ProtonMail](https://protonmail.com) Secure Email.

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xgene ethernet driver update and next gen xgene-v2 ethernet support
by Khuong Dinh 26 May '17

26 May '17

Hi Jim all, I'd like to introduce myself as Khuong Dinh from AppliedMicro. Attached please find set of patches we would like to be included in the next CentOS 7.3 build, in addition to the patches Phong Vo just recently sent. Please help to integrate the attached patches to sig-altarch7-aarch64. + 1033-update-xgene-ethernet-driver.patch This is a roll up of the following upstreamed patches for updating xgene ethernet driver. 3623201 xgene: Fix build warning with ACPI disabled. 1b8c101 drivers: net: xgene: Simplify xgene_enet_setup_mss() to kill warning. 1f3d620 xgene_enet: remove bogus forward declarations. 6ad2016 drivers: net: generalize napi_complete_done(). f006b2c net: xgene: avoid bogus maybe-uninitialized warning. dece303 net: xgene: move xgene_cle_ptree_ewdn data off stack. 0b80129 drivers: net: xgene: uninitialized variable in xgene_enet_free_pagepool(). 0296fe4 drivers: net: xgene: ethtool: Add get/set_pauseparam. 56090b1 drivers: net: xgene: Add flow control initialization. bb64fa0 drivers: net: xgene: Add flow control configuration. a809701 drivers: net: xgene: fix: RSS for non-TCP/UDP. 350b4e3 drivers: net: xgene: Add change_mtu function. a9380b0 drivers: net: xgene: Add support for Jumbo frame. d6d4896 drivers: net: xgene: Configure classifier with pagepool. 2c83933 drivers: net: xgene: Add helper function. 440f895 drivers: net: phy: xgene: Fix 'remove' function. ea966cb net: xgene: fix maybe-uninitialized variable. b2df430 drivers: net: phy: xgene: Remove redundant dev_err call in xgene_mdio_probe(). + 1034-add-support-for-next-gen-xgene-ethernet-v2-driver.patch This is a roll up of the following upstreamed patches for supporting next gen xgene-v2 ethernet. 5e1fc7c drivers: net: xgene-v2: Fix error return code in xge_mdio_config(). e05ddaf drivers: net: xgene-v2: Extend ethtool statistics. 1ffa8a7 drivers: net: xgene-v2: misc fixes. b2180a8 drivers: net: xgene-v2: Fix port reset. 617d795 drivers: net: xgene-v2: Add ethtool support. ea8ab16 drivers: net: xgene-v2: Add MDIO support. 70dbd9b MAINTAINERS: Add entry for APM X-Gene SoC Ethernet (v2) driver. b105bcd drivers: net: xgene-v2: Add transmit and receive. 3b3f9a7 drivers: net: xgene-v2: Add base driver. 272d6dc drivers: net: xgene-v2: Add ethernet hardware configuration. 81ccd0c drivers: net: xgene-v2: Add mac configuration. 384fe7a drivers: net: xgene-v2: Add DMA descriptor. And the following is to backport ethtool drivers: net: xgene-v2: Backport ethtool for CentOS 7.3 + config-centos-sig-enable-xgene-ethernet-v2.patch Enable CONFIG_NET_XGENE_V2 Thanks, Khuong Dinh

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[RESENT] Next gen x-gene gpio dwapb support and x-gene i2c SlimPro driver update
by Phong Vo 19 May '17

19 May '17

Hi Jim, Please help integrate the attached patches to sig-altarch7-aarch64. + 1031-add-support-for-next-gen-xgene-gpio-dwapb.patch This is a roll up of the following upstreamed patches for supporting GPIO DWAPB a72b8c4 gpio: dwapb: Add support for next generation of X-Gene SoC bfab7c8 gpio: dwapb: add missing fwnode_handle_put() in dwapb_gpio_get_pdata() 506ebb2 gpio: dwapb: Add ACPI device ID for DWAPB GPIO controller on X-Gene platforms e6cb348 gpio: dwapb: add gpio-signaled acpi event support 4ba8cfa gpio: dwapb: convert device node to fwnode 52bc078 gpio: dwapb: remove name from dwapb_port_property + 1032-update-xgene-i2c-slimpro-driver.patch This is a roll-up of the following upstreamed patches ea73440 i2c: don't print error when adding adapter fails 1635c5d i2c: xgene: Fix missing code of DTB support 92d9d0d i2c: busses: constify i2c_algorithm structures 83345d5 i2c: xgene: Set ACPI_COMPANION_I2C and the following is still going through review. https://lkml.org/lkml/2017/3/28/1103 i2c: xgene-slimpro: Use a single function to send command message https://lkml.org/lkml/2017/3/28/1102 i2c: xgene-slimpro: Add ACPI support by using PCC mailbox + config-centos-sig-enable-gpio-dwapb.patch Enable CONFIG_GPIO_DWAPB Thanks, -Phong

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