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4332 discussions

by dani maoz

Hi, Environment: Pandaboard Android Version: 4.2.2 I would like to write udev rules to a propriety device i connect the the board. I looked at /etc/ for udev directory but didn't find it, Where i need to put my rule ? Can someone post an example? Thanks

12 years, 10 months

[ANNOUNCE] linux-linaro kernel schedule for 13.05 published

by Andrey Konovalov

Greetings, This wiki page: https://wiki.linaro.org/Platform/DevPlatform/LinuxLinaroKernelSchedule - is now tracking the linux-linaro kernel rebuilds for 13.05. v3.9 release based linux-linaro-core-tracking (llct) rebuild has been published, the tag is llct-20130502.0 . The 13.05 linux-linaro release will be v3.10-rc3 based, but let's do one more v3.9 based kernel not to miss the v3.9 release. The next step is: May 06: ll rebuild based on llct-20130502.0. The last llct update for this cycle is scheduled on May 21, The last linux-linaro update for this cycle is scheduled on May 23. May 23 is the linux-linaro code freeze for 13.05 (only bug fixes allowed after this date). Thanks, Andrey

12 years, 10 months

ubuntu-minimal.conf config fragment renamed to distribution.conf

by Fathi Boudra

Hi, There's a couple of changes in the config fragments: * ubuntu-minimal.conf config fragment has been renamed to distribution.conf. distribution.conf contains the minimal configurations to be able to boot the supported distributions (Fedora, OpenEmbedded and Ubuntu). It isn't specific to Ubuntu baseline anymore. * ubuntu.conf has been removed. the config fragment isn't used anymore since a long time. Obviously, people prefer to use "minimal". I've updated a few CI jobs. Please, make sure to update the builds affected by this change. Thanks. Cheers, -- Fathi Boudra Builds and Baselines Manager | Release Manager Linaro.org | Open source software for ARM SoCs

12 years, 10 months

problem using QEMU

by David Long

I'm trying to build for versatile express to run under QEMU. When I boot under QEMU I get errors regarding the SD voltage, and it fails. I have not really used QEMU for testing before. Has anyone encountered this? It's likely I've got something basic wrong. Here is the command I'm using: qemu-system-arm -kernel zImage -M vexpress-a9 -cpu cortex-a9 -serial stdio -m 1024 -initrd initrd \ -append 'root=/dev/mmcblk0p2 rw mem=1024M raid=noautodetect console=ttyAMA0,38400n8 rootwait vmalloc=256MB devtmpfs.mount=0' \ -sd sd.img -dtb vexpress-v2p-ca9.dtb I made sd.img with l-m-c, and replaced the kernel and dtb with the output of my build. -dl

12 years, 10 months

linaro armv8 kernel crashdump (kdump?)

by phi debian

Hi All, I'd like to investigate kernel crashdump debuging for armv8. For this I need a crashdump, basically I would be happy with a vmlinux with debuginfos (-g compiled) either as 1 a.out or a splitted a.out ( ala suse) a save state of some sort (a crash notes records) and a vmcore that could be a simple raw file, a core file, an elf file, a kdump format. I am not to picky on the crashdump format for the time being. What would be my best bet? - Does someone as a crashdump at hand, I would simply download the vmlinux/vmcore/crashnotes. - Make it myself as a qemu guest crash. If qemu is able to produce a guest core dump, I could build a kernel -g then trig a guest dump (if someone did this any receipe would be appreciated :) ) - Make it myself with a manual kdump (ideal) or kexec phases. I would then have to install linaro, get the source, build the -g vmlinux, then try some kexec sequence and catch the kcore, or better if available I could do a makedumpfile to get a kdump. Again if one did this, any help appreciated. Cheers, Phi

12 years, 10 months

[PATCH 0/2] USB: OHCI: Splitting ohci-platform into independent driver

by Manjunath Goudar

This series patch begins the process of splitting ohci-platform up into independent driver modules and add a name for the platform-private field. Patch 1/2 separate ohci-platform into independent driver modules. Patch 2/2 adds an ohci->priv field for private use by OHCI platform drivers. Manjunath Goudar (2): USB: OHCI: make ohci-platform a separate driver USB: OHCI: add a name for the platform-private field drivers/usb/host/Kconfig | 2 +- drivers/usb/host/Makefile | 1 + drivers/usb/host/ohci-hcd.c | 6 +-- drivers/usb/host/ohci-platform.c | 88 ++++++++++++++++++-------------------- drivers/usb/host/ohci.h | 3 ++ 5 files changed, 47 insertions(+), 53 deletions(-) -- 1.7.9.5

12 years, 10 months

Couldn't locate release kernel sha key 0f66281a18ce706b4de2d4c208a852d358ecaf43

by Viresh Kumar

Hi Guys, Few of my ARM colleagues are facing issues in obtaining git tree for 13.03 release. They are referring: https://releases.linaro.org/13.03/android/vexpress file: linaro_kernel_build_cmds.sh Which has got following line to go to checkout released tree. git checkout 0f66281a18ce706b4de2d4c208a852d358ecaf43 We tried to search this commit in the top right search box (with commit selected in dropdown box) at this page: https://git.linaro.org/gitweb?p=kernel/linux-linaro-tracking.git;a=summary and couldn't find it. I tried to see it in my local repo and found it: commit 0f66281a18ce706b4de2d4c208a852d358ecaf43 Merge: 754a723 4f0d8f6 Author: Andrey Konovalov <andrey.konovalov(a)linaro.org> Date: Fri Mar 22 15:06:02 2013 +0400 Automatically merging tracking-ll-v3.9-misc-fixes into merge-linux-linaro Conflicting files: scripts/mod/Makefile tools/perf/config/utilities.mak | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) But they want a link from linux-linaro which they can share with external people.. -- viresh

12 years, 10 months

[PATCH V2 1/2] USB: OHCI: make ohci-platform a separate driver

by manjunath.goudar＠linaro.org

From: Manjunath Goudar <manjunath.goudar(a)linaro.org> This patch splits the ohci-platform code from ohci-hcd out into its own separate driver module.This work is part of enabling multi-platform kernels on ARM. In V2: -Passed "hcd" argment instead of "ohci" in ohci_setup() because it is using "struct usb_hcd" argment. Signed-off-by: Manjunath Goudar <manjunath.goudar(a)linaro.org> Acked-by: Alan Stern <stern(a)rowland.harvard.edu> Cc: Arnd Bergmann <arnd(a)arndb.de> Cc: Greg KH <greg(a)kroah.com> Cc: linux-usb(a)vger.kernel.org --- drivers/usb/host/Kconfig | 2 +- drivers/usb/host/Makefile | 1 + drivers/usb/host/ohci-hcd.c | 6 +-- drivers/usb/host/ohci-platform.c | 88 ++++++++++++++++++-------------------- 4 files changed, 44 insertions(+), 53 deletions(-) diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig index a0a2f3a..5391a38 100644 --- a/drivers/usb/host/Kconfig +++ b/drivers/usb/host/Kconfig @@ -501,7 +501,7 @@ config USB_CNS3XXX_OHCI It is needed for low-speed USB 1.0 device support. config USB_OHCI_HCD_PLATFORM - bool "Generic OHCI driver for a platform device" + tristate "Generic OHCI driver for a platform device" default n ---help--- Adds an OHCI host driver for a generic platform device, which diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile index 2214ded..8a89c3d 100644 --- a/drivers/usb/host/Makefile +++ b/drivers/usb/host/Makefile @@ -45,6 +45,7 @@ obj-$(CONFIG_USB_ISP1362_HCD) += isp1362-hcd.o obj-$(CONFIG_USB_OHCI_HCD) += ohci-hcd.o obj-$(CONFIG_USB_OHCI_HCD_PCI) += ohci-pci.o +obj-$(CONFIG_USB_OHCI_HCD_PLATFORM) += ohci-platform.o obj-$(CONFIG_USB_UHCI_HCD) += uhci-hcd.o obj-$(CONFIG_USB_FHCI_HCD) += fhci.o diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c index 237be7c..39c7624 100644 --- a/drivers/usb/host/ohci-hcd.c +++ b/drivers/usb/host/ohci-hcd.c @@ -1258,12 +1258,8 @@ MODULE_LICENSE ("GPL"); #define PLATFORM_DRIVER ohci_hcd_tilegx_driver #endif -#ifdef CONFIG_USB_OHCI_HCD_PLATFORM -#include "ohci-platform.c" -#define PLATFORM_DRIVER ohci_platform_driver -#endif - #if !IS_ENABLED(CONFIG_USB_OHCI_HCD_PCI) && \ + !IS_ENABLED(CONFIG_USB_OHCI_HCD_PLATFORM) && \ !defined(PLATFORM_DRIVER) && \ !defined(OMAP1_PLATFORM_DRIVER) && \ !defined(OMAP3_PLATFORM_DRIVER) && \ diff --git a/drivers/usb/host/ohci-platform.c b/drivers/usb/host/ohci-platform.c index 76a3531..288feed 100644 --- a/drivers/usb/host/ohci-platform.c +++ b/drivers/usb/host/ohci-platform.c @@ -13,16 +13,28 @@ * * Licensed under the GNU/GPL. See COPYING for details. */ + +#include <linux/hrtimer.h> +#include <linux/io.h> +#include <linux/kernel.h> +#include <linux/module.h> #include <linux/err.h> #include <linux/platform_device.h> #include <linux/usb/ohci_pdriver.h> +#include <linux/usb.h> +#include <linux/usb/hcd.h> + +#include "ohci.h" + +#define DRIVER_DESC "OHCI generic platform driver" + +static const char hcd_name[] = "ohci-platform"; static int ohci_platform_reset(struct usb_hcd *hcd) { struct platform_device *pdev = to_platform_device(hcd->self.controller); struct usb_ohci_pdata *pdata = pdev->dev.platform_data; struct ohci_hcd *ohci = hcd_to_ohci(hcd); - int err; if (pdata->big_endian_desc) ohci->flags |= OHCI_QUIRK_BE_DESC; @@ -30,58 +42,17 @@ static int ohci_platform_reset(struct usb_hcd *hcd) ohci->flags |= OHCI_QUIRK_BE_MMIO; if (pdata->no_big_frame_no) ohci->flags |= OHCI_QUIRK_FRAME_NO; - - ohci_hcd_init(ohci); - if (pdata->num_ports) ohci->num_ports = pdata->num_ports; - err = ohci_init(ohci); - - return err; -} - -static int ohci_platform_start(struct usb_hcd *hcd) -{ - struct ohci_hcd *ohci = hcd_to_ohci(hcd); - int err; - - err = ohci_run(ohci); - if (err < 0) { - ohci_err(ohci, "can't start\n"); - ohci_stop(hcd); - } - - return err; + return ohci_setup(ohci_to_hcd(ohci)); } -static const struct hc_driver ohci_platform_hc_driver = { - .description = hcd_name, - .product_desc = "Generic Platform OHCI Controller", - .hcd_priv_size = sizeof(struct ohci_hcd), +static struct hc_driver __read_mostly ohci_platform_hc_driver; - .irq = ohci_irq, - .flags = HCD_MEMORY | HCD_USB11, - - .reset = ohci_platform_reset, - .start = ohci_platform_start, - .stop = ohci_stop, - .shutdown = ohci_shutdown, - - .urb_enqueue = ohci_urb_enqueue, - .urb_dequeue = ohci_urb_dequeue, - .endpoint_disable = ohci_endpoint_disable, - - .get_frame_number = ohci_get_frame, - - .hub_status_data = ohci_hub_status_data, - .hub_control = ohci_hub_control, -#ifdef CONFIG_PM - .bus_suspend = ohci_bus_suspend, - .bus_resume = ohci_bus_resume, -#endif - - .start_port_reset = ohci_start_port_reset, +static const struct ohci_driver_overrides platform_overrides __initconst = { + .product_desc = "Generic Platform OHCI controller", + .reset = ohci_platform_reset, }; static int ohci_platform_probe(struct platform_device *dev) @@ -222,3 +193,26 @@ static struct platform_driver ohci_platform_driver = { .pm = &ohci_platform_pm_ops, } }; + +static int __init ohci_platform_init(void) +{ + if (usb_disabled()) + return -ENODEV; + + pr_info("%s: " DRIVER_DESC "\n", hcd_name); + + ohci_init_driver(&ohci_platform_hc_driver, &platform_overrides); + return platform_driver_register(&ohci_platform_driver); +} +module_init(ohci_platform_init); + +static void __exit ohci_platform_cleanup(void) +{ + platform_driver_unregister(&ohci_platform_driver); +} +module_exit(ohci_platform_cleanup); + +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_AUTHOR("Hauke Mehrtens"); +MODULE_AUTHOR("Alan Stern"); +MODULE_LICENSE("GPL"); -- 1.7.9.5

12 years, 10 months

Linaro Virtualization status 29 May 2013 (Weeks 20-22)

by Serge Broslavsky

Linaro Virtualization Team's Weekly Report - Weeks 20-22 2013 ============================================================= Starting from 28 May 2013, Christoffer Dall, an effective co-maintainer of KVM ARMv7, Joined Linaro and stepped in as a Technical Lead for Virtualization and gradual knowledge transfer from Geoff Levand is taking place. During the last three weeks (9 - 29 May 2013) the team has been working on the following areas. More detailed information can be found on the meeting reports Wiki page: [https://wiki.linaro.org/LEG/Engineering/Virtualization/TeamMeetingReports]. Ongoing work ------------ * BOOTLOADER HYP MODE SUPPORT FOR ARMv7 [http://cards.linaro.org/browse/CARD-361] by Andre Przywara * implement HYP command to let u-boot switch into HYP mode [http://cards.linaro.org/browse/VIRT-71] by Andre Przywara Working on: - preparing another release of patches. * rebase existing Versatile Express patches against upstream u-boot [http://cards.linaro.org/browse/VIRT-70] Done: - completed - patches are upstream. * HYP mode support for Arndale board [http://cards.linaro.org/browse/VIRT-81] by Christoffer Dall To be done: - analysis of the outstanding not upstreamed patches for Arndale that are needed to implement proper HYP mode support. * ARMv7 KVM GUEST MIGRATION [http://cards.linaro.org/browse/CARD-363] by Peter Maydell and Andre Przywara * QEMU: implement full cp15 sync with kernel [http://cards.linaro.org/browse/VIRT-49] by Peter Maydell Done: - last bits of patch cleanup complete - realized that KVM migration can be tested without any timer or vgic patches; did so and sent first version of patches out to qemu-devel * QEMU: fix cp15 register reset [http://cards.linaro.org/browse/VIRT-50] by Peter Maydell Done: - VIRT-49 patches on their own break reset handling for the KVM case, so we need to include VIRT-50 work in the same patchset. Fortunately it turned out to be a small extension; patch done and tested, and submitted as part of the VIRT-49 patchset. * QEMU: test migration [http://cards.linaro.org/browse/VIRT-55] by Peter Maydell Working on: - started to draft basic notes on what we want to test: https://wiki.linaro.org/PeterMaydell/MigrationTesting * kernel: agree on a data structure to describe timer state [http://cards.linaro.org/browse/VIRT-42] * kernel: implement save and restore of timer state in kernel [http://cards.linaro.org/browse/VIRT-43] by Andre Przywara Done: - got feedback from Marc Zyngier and Peter Maydell. - produced new version, sent for review. * kernel: agree on a data structure to hold GIC state [http://cards.linaro.org/browse/VIRT-44] by Christoffer Dall Working on: - Investigating, taking the task from Andre. * add some basic unit testing bits to LAVA [http://cards.linaro.org/browse/VIRT-79] by Christoffer Dall Working on: - Investigating, taking the task from Andre. * ARMv8 KVM QEMU prototype [http://cards.linaro.org/browse/CARD-221] by john Rigby -> Peter Maydell * Add arm64 mach-virt system model skeleton [http://cards.linaro.org/browse/VIRT-53] * Add kvm guest creation and launching of armv8/mach-virt [http://cards.linaro.org/browse/VIRT-56] Done: - ARMv8 guest boots on an ARMv8 host running on Foundation Model. Working on: - Finishing the implementation work. - Transferring the code and knowledge to Peter Maydell. - Leaving Linaro/Canonical. * KVM ARMV8 SMP HARDWARE BRING-UP [http://cards.linaro.org/browse/CARD-555] by Anup Patel and Pranavkumar Sawargaonkar Done: - ARM32 Guest (UP) working on v8 Foundation Model. - ARM64 Guest (UP) works on APM Board (SMP). No issues seen so far for ARM64 Guest (UP) on SMP host. Working on: - Submit remaining patches. - Try ARM32 Guest (UP) on APM Board (UP). - Prepare for KVM ARMv8 on HW demo at LCE13. * XEN - MULTI-PLATFORM ARMV7 BINARIES [http://cards.linaro.org/browse/CARD-560] by Jullien Grall Done: - Completely upstream. Working on: - Card close out. * CI Bring-up: Xen [http://cards.linaro.org/browse/CARD-561] by Jullien Grall Working on: - Starting. * CI BRING UP: KVM ARMv7 [http://cards.linaro.org/browse/CARD-233] by Riku Voipio Working on: - Card close out. -- Best Regards, Serge Broslavsky <serge.broslavsky(a)linaro.org> Project Manager, Linaro M: +37129426328 IRC: ototo Skype: serge.broslavsky http://linaro.org | Open source software for ARM SoCs

12 years, 10 months

[PATCH V8 0/3] USB: OHCI: Start splitting up the driver

by Manjunath Goudar

This series of patches begins the process of splitting ohci-hcd up into a core library module and independent pci driver modules. Patch 1/3 prepares the way by exporting a few functions from ohci-hcd and adding a new mechanism for platform-specific drivers to initialize their hc_driver structures. This deserves to be done in the core because almost all of the entries in these structures are pure boilerplate -- practically none of the drivers need to override more than three of the standard core values. Change from V7 to V8 ohci_hcd_init() is called by ohci_setup() to make generic ohci initialization in all ohci drivers. Patch 2/3 is part of separating the ohci pci host controller driver from ohci-hcd host code. Moved sb800_prefetch() function from ohci-pci.c to pci-quirks.c file and EXPORTed, this is part of the effort to move the ohci pci related code to generic pci code. Change from V7 to V8 no change. Patch 3/3 separate out ohci-pci into independent driver modules. Change from V7 to V8 USB_OHCI_HCD_PCI symbol no longer dependence on STB03xxx, PPC_MPC52xx and USB_OHCI_HCD_PPC_OF that's what removed. Manjunath Goudar (3): USB: OHCI: prepare to make ohci-hcd a library module USB: OHCI: Generic changes to make ohci-pci a separate driver USB: OHCI: make ohci-pci a separate driver drivers/usb/host/Kconfig | 6 +- drivers/usb/host/Makefile | 3 + drivers/usb/host/ohci-hcd.c | 134 ++++++++++++++++++++++++++---------- drivers/usb/host/ohci-hub.c | 1 - drivers/usb/host/ohci-pci.c | 151 ++++++++++++----------------------------- drivers/usb/host/ohci-q.c | 6 +- drivers/usb/host/ohci.h | 17 +++++ drivers/usb/host/pci-quirks.c | 13 ++++ drivers/usb/host/pci-quirks.h | 2 + 9 files changed, 184 insertions(+), 149 deletions(-) -- 1.7.9.5

12 years, 10 months

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