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* kernel: Set CONFIG_RCU_CPU_STALL_TIMEOUT=21Hauke Mehrtens2021-09-091-1/+0
| | | | | | | | | | | | The default value for CONFIG_RCU_CPU_STALL_TIMEOUT was changed from 60 seconds to 21 seconds in 2012 in the upstream kernel. Some targets already use 21 seconds. This patch changes the default value in the generic configuration to 21 seconds and removes the target specific configuration options. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Acked-by: Rui Salvaterra <rsalvaterra@gmail.com>
* kernel: move two symbols to the generic kconfigsRui Salvaterra2021-08-291-2/+0
| | | | | | | CONFIG_RCU_{NEED_SEGCBLIST,STALL_COMMON} are set basically everywhere. Move them to the generic kconfigs. And resort the generic kconfigs while at it. Signed-off-by: Rui Salvaterra <rsalvaterra@gmail.com>
* kernel: disable CONFIG_RCU_EXPERT and friendsRui Salvaterra2021-08-291-1/+0
| | | | | | | | | | | | | | Based on the existing documentation [1][2], I dare anyone to demonstrate that we need to fine-tune these RCU parameters. The (performance) breakage potential for doing so is immense, so let's just please put down this loaded footgun. Disable CONFIG_RCU_EXPERT and its dependent symbols. Additionally, remove the CONFIG_RCU_EXPERT symbol from the target kconfigs which contain it. [1] https://www.kernel.org/doc/Documentation/RCU/Design/Data-Structures/Data-Structures.html [2] https://lwn.net/Articles/777214/ Signed-off-by: Rui Salvaterra <rsalvaterra@gmail.com>
* treewide: remove redundant ubifs kconfig symbolsRui Salvaterra2021-04-211-3/+0
| | | | | | | For the targets which enable ubifs, these symbols are already part of the generic kconfigs. Drop them from the target kconfigs. Signed-off-by: Rui Salvaterra <rsalvaterra@gmail.com>
* kernel: move some disabled symbols to genericAleksander Jan Bajkowski2021-03-191-1/+0
| | | | | | Move some disabled symbols found in armvirt target to generic. Signed-off-by: Aleksander Jan Bajkowski <A.Bajkowski@stud.elka.pw.edu.pl>
* target: use SPDX license identifiers on MakefilesAdrian Schmutzler2021-02-101-4/+1
| | | | | | Use SPDX license tags to allow machines to check licenses. Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
* kernel: move some disabled symbols to genericAleksander Jan Bajkowski2020-12-221-2/+0
| | | | | | Move some disabled config options found in lantiq target to generic. Signed-off-by: Aleksander Jan Bajkowski <A.Bajkowski@stud.elka.pw.edu.pl>
* oxnas: sort kernel configsSungbo Eo2020-03-161-26/+26
| | | | Signed-off-by: Sungbo Eo <mans0n@gorani.run>
* oxnas: remove duplicate config optionsSungbo Eo2020-03-161-6/+0
| | | | | | Remove symbols already covered by generic and target kernel configs. Signed-off-by: Sungbo Eo <mans0n@gorani.run>
* kernel: make kmod-hwmon-core selected by dependent modulesSungbo Eo2020-03-131-3/+2
| | | | | | | | | | | | | | | | | | Currently kmod-hwmon-* will not get into images unless kmod-hwmon-core is added to DEVICE_PACKAGES as well. By changing the dependencies from "depends on" to "select", we do not have the issue anymore. Furthermore, we can remove most occurrences of the package from DEVICE_PACKAGES and similar variables, as it is now pulled by dependent modules such as: - kmod-hwmon-gpiofan - kmod-hwmon-lm63 - kmod-hwmon-lm75 - kmod-hwmon-lm85 - kmod-hwmon-lm90 Signed-off-by: Sungbo Eo <mans0n@gorani.run> [do not touch ar71xx, adjust line wrapping] Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
* oxnas: add 5.4 as testing kernel versionDaniel Golle2020-03-061-0/+1
| | | | | | | Add 5.4 kernel version as a new testing kernel option. Run-tested on Shuttle KD20, seems to work just as well as kernel 4.14. Signed-off-by: Daniel Golle <daniel@makrotopia.org>
* oxnas: remove uboot-oxnas-ox820 from default package selectionDaniel Golle2019-03-011-4/+0
| | | | | | | | All supported boards should work with the $vendor bootloader just fine. Existing users should mindfully re-flash using new initramfs build and restore $vendor bootloader's bootcmd to it's original setting. Signed-off-by: Daniel Golle <daniel@makrotopia.org>
* oxnas: bring in new oxnas targetDaniel Golle2018-06-013-0/+139
Reboot the oxnas target based on Linux 4.14 by rebasing our support on top of the now-existing upstream kernel support. This commit brings oxnas support to the level of v4.17 having upstream drivers for Ethernet, Serial and NAND flash. Botch up OpenWrt's local drivers for EHCI, SATA and PCIe based on the new platform code and device-tree. Re-introduce base-files from old oxnas target which works for now but needs further clean-up towards generic board support. Functional issues: * PCIe won't come up (hence no USB3 on Shuttle KD20) * I2C bus of Akitio myCloud device is likely not to work (missing debounce support in new pinctrl driver) Code-style issues: * plla/pllb needs further cleanup -- currently their users or writing into the syscon regmap after acquireling the clk instead of using defined clk_*_*() functions to setup multipliers and dividors. * PCIe phy needs its own little driver. * SATA driver is a monster and should be split into an mfd having a raidctrl regmap, sata controller, sata ports and sata phy. Tested on MitraStar STG-212 aka. Medion Akoya MD86xxx and Shuttle KD20. Signed-off-by: Daniel Golle <daniel@makrotopia.org>