linaro-kernel

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10095 discussions

by John Stultz

=== Highlights === * Reworked the mmc wakelocks patch to use wakeup sources and sent to google developers for review prior to sending to lkml * After getting negative feedback on my interval tree implementation, I'm reworking my volatile ranges patch set to not introduce a new base type and just use rbtrees internally. * Submitted a number of changes in timekeeping for 3.6 to Thomas for -tip * Wrote first draft on android usptreaming update for member newsletter * Resent out the ETM patches for inclusion * Ran bi-weekly android-usptreaming subteam call (over irc since mumble was having problems) * Merged fix from Tushar into linaro-android-3.5-jstultz-rebase tree === Plans === * Continue reworking volatile range code & resubmit for comment * Submit mmc wakeup source patch to lkml * Ping Russel on ETM * Finish member newsletter update === Issues === NA

13 years

[ACTIVITY] (Rajanikanth H V) 2012-06-18 to 2012-06-22

by Rajanikanth HV

====Activity Summary==== - Completed DT binding for ab8500-btemp . Pending: Code Review/Rework and Documentation . Added a macro to traverse phandle list in a property . Unit/Driver level test succeeds in fetching and populating DT information - Started DT bindings for ab8500 Fuel Guage driver as ab8500-btemp driver expects "battery resistance" platform information from ab8500-fg without which ab8500 probe shall not be complete as per the present sequence - Support for Raj on mmap freezing issue: - Observed that iterative vmalloc and vfree is causing kernel to free on fully loaded/android case, however the said issue is not observed in LBP (non-android/ubuntu) build. Raj has created ticket on igloo kernel community - Looking into L2Cache settings highlighted by mathieu, trying to seek information on offset 0x7CC used and necessity of using cache lockdown (0x900/4) Ref: cleanup_before_linux() =====Plan==== - Complete DT binding for ab8500-fg driver - test ab8500-btemp - Documentation - Review and rework ====issues==== NA Thanks, Rajanikanth

13 years

Location of specific kernel sourcecode?

by RabidCicada

Hello all, Short: Please point me to the kernel sourcecode repo and checkout for the resulting image created for the pandaboard by the following files: hwpack_linaro-lt-panda-x11-base_20120505-32_armhf_supported.tar.gz linaro-precise-ubuntu-desktop-20120426-119.tar.gz uname -a gives "Linux linaro-ubuntu-desktop 3.3.1-38-linaro-lt-omap #38~lt~ci~00000000000001+1336186099~4fa4ad78-Ubuntu" Long: New to Linaro and trying to make some GPIOKey's mods to the kernel to support a pushbutton on the pandaboard. I'm relatively new to modding the linux kernel, and just picking up git for the first time. I am completely unfamiliar with the linaro way of doing things and naming scheme and can't figure out what would be the kernel source for this build. I found this http://ask.linaro.org/questions/586/where-are-kernel-sources-for-panda-boar… no answer and I managed to check out the root kernel source from git.linaro.org/landing-teams/leb/ti/kernel.git but I can't find what would likely be the kernel source for this particular build. I would really appreciate if someone would point me to the sourcecode for the kernel in this combination of linaro-media-create files: hwpack_linaro-lt-panda-x11-base_20120505-32_armhf_supported.tar.gz linaro-precise-ubuntu-desktop-20120426-119.tar.gz I found the manifest in the hwpack tarfile and I believe I'm looking for a 3.3 kernel. If anyone wants to explain a little about the Linaro-Way or naming schemes that would be helpful also. -- "Ambush!?....I just ambushed you with a cup of coffee" -CIA agent (RONIN)

13 years

[PATCH 0/7] pstore/ram: Early registration and configurable ECC buffers size

by Anton Vorontsov

Hi all, Here are some more updates for the pstore/ram: it is implementation of Colin Cross's and Arve Hjønnevåg's suggestions, i.e. early probing and configurable ECC size. The last one needed quite a bit of cleanups in the core code, though. Thanks, --- fs/pstore/ram.c | 77 ++++++++++++++++++++++---------------------- fs/pstore/ram_core.c | 65 ++++++++++++++++++++----------------- include/linux/pstore_ram.h | 11 +++---- 3 files changed, 79 insertions(+), 74 deletions(-) -- Anton Vorontsov Email: cbouatmailru(a)gmail.com

13 years

[ACTIVITY] (Anton Vorontsov) 2012-06-04 - 2012-06-15

by Anton Vorontsov

== Highlights == * Started work on FIQ debugger. There are four parts: FIQ handling, serial port handling, KGDB support and "debug shell" implementation. The latter is mostly what adds LOC count, and this is definitely what should be merged with KDB support, since we really don't want have multiple debug shells implementations in the kernel (there are three already: PowerPC-specific xmon (predates KDB), generic KDB and now ARM-specific FIQ debugger shell. So, the work involves refactoring the FIQ debugger so that it would play nicely with KDB (and adjusting KDB when needed, i.e. preserving all the FIQ debugger's features). * Modified pstore/ftrace so that it is now it is an option to the stock function tracer. Folks want to make tracing data kernel version specific, which is a good idea. It is easy to implement it, but I will wait a bit before resending the set again. * Finally forced myself to divert attention from FIQ stuff and write commit messages for the bunch of pstore/ram patches that were ready approximately a week ago: configurable ECC buffers size, early probe and some error-handling fixes. These have now been sent out. * Apart from the latest discussion on lkml, no updates on vmevent. Minchan said he would present his approach soon, but he didn't share much details on it. -- Anton Vorontsov Email: cbouatmailru(a)gmail.com

13 years

[Activity] (Omar Ramirez) Jun 11 - Jun 17

by Omar Ramirez Luna

=== omarrmz === === Highlights === * ISP testing environment set up. - Streaming failures associated with the commands and binaries used, unable to test streaming however initialization of isp module looks good. * Testing iommu hwmod and runtime, along with the reset handling changes, on rpmsg branches and master linux-omap - Boards used OMAP3 (beagle), OMAP4 (panda). * Reset handling API proposal completed and submitted to LO. - Cleanup finished, split original series as these patches are only related to hwmod. http://www.mail-archive.com/linux-omap@vger.kernel.org/msg70443.html * Iommu hwmod and runtime conversion completed and submitted to LO. - Rebase and cleanup done. - Split this series from DT since there are too many patches on hwmod that need to be accepted first. http://www.mail-archive.com/linux-omap@vger.kernel.org/msg70447.html * Rebased rpmsg to 3.5-rc2 - There seem to be conflicts with the carveouts, need to investigate. === Plans === * Investigate carveout issues on 3.5-rc2 * Work on IOMMU DT, this patches required as prerequisite the hwmod reset handling and the iommu hwmod conversion + runtime, that were recently submitted. Regards, Omar

13 years

[ACTIVITY] (Shawn Guo) Week of Jun 11

by Shawn Guo

=== Highlight === * Sent a series to enable SPARSE_IRQ support for imx to make the platform ready for multi-platform build. * Sent a RFC patch adding clock lookup from device tree based on Rob Herring's DT clock bindings (v3) for discussing a couple of problems I have seen with using the binding on imx clock tree. * Reviewed and tested "Per sub-architecture SMP operations" series from Marc Zyngier on imx6q. * Reviewed a bunch of mxs DT patches from Marek Vasut and Fabio Estevam. -- Regards, Shawn

13 years

[ACTIVITY] (Dong Aisheng) June-11-June-15

by Dong Aisheng

=== Highlights === * reviewed some pinctrl-mxs patches from Devendra Naga. * reviewed Russell King's "RFC: changing DMA slave configuration API". Gave suggestion on supporting peripheral to peripheral dma transfer since IMX SDMA supports such type of transfer. * reviewed Shawn's big patch series(16 patches) of adding irqdomain and sparse irq support for IMX platforms. Acked most of them, also gave some comments and suggestions on the rest. Some got response while somes still not. === Plan === * Improving pinctrl gpio common binding according to Grant's suggestion Did not have too much time to do it last week, will do it this week. * Reviewing irq domain support and sparse irq support for imx. Continue to track the patches if any update. * imx-sdma clean up. Found some issues, will do clean up later.

13 years

[ACTIVITY] (Rajanikanth H V) 2012-06-04 to 2012-06-15

by Rajanikanth HV

====Activity Summary==== - Prepared DT file for ab8500 btemp and dependents, found btemp and bat_type structure are quite vast, comprises charging parameters, fuel gauge etc., [Observed scope for optimization] - Implemented review comments from Lee Jones - Fixed few kernel panic and phandle issues in btemp_probe routine. =====plan==== - fillup battery mgmt data and battery type structure to complete btemp_probe - testing - Documentation ====issues==== NA Thanks, Rajanikanth

13 years

[ACTIVITY] (Venkatraman S) 2012 June 11-15

by Venkatraman S

=== Venkatraman S <svenkatr> === === Highlights === * Reviewed & tested Power Off Notify with eMMC4.4 * Review the updated packed CMD implementation and testing * Review the updated BKOPS feature patch (v9) from Samsung * Review the test I/O scheduler proposal from codeaurora * Prepared eMMC and UFS feature branches for Linaro monthly release. * Reviewed work Items and future work proposals with Saugata and new assignee. * Internal review & briefing on various storage topics === Plans === * On internal training on Monday, 18th June * eMMC4.5 JIG board stopped working after I returned from HK - need to investigate * continue reviewing on eMMC features and follow up to get it merged for 3.6 * Testing BKOPS performance with conditions on prototype devices * Repost HPI after fixing a DMA unmapping (post req) bug

13 years

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