linaro-pm-wg team mailing list archive

[Amit Kucheria <1229658@xxxxxxxxxxxxxxxxxx>]

So first we need them to compile in the GPIO_SYSFS option...

On Wed, Apr 30, 2014 at 5:06 PM, Soumya Basak <soumya.basak@xxxxxxxxxx> wrote:
> for Samsung Arndale board, with build:
>
> https://android-build.linaro.org/builds/~linaro-android/arndale-
> linaro-14.04-release/#build=1
>
> gpio file is not present under /sys/class
>
> file structure under /sys/class
>
> root@arndale:/sys/class # ls
> ata_device
> ata_link
> ata_port
> bdi
> block
> dma
> firmware
> graphics
> i2c-adapter
> input
> mdio_bus
> mem
> misc
> mmc_host
> net
> regulator
> scsi_device
> scsi_disk
> scsi_generic
> scsi_host
> thermal
> timed_output
> tty
> udc
> vc
> video4linux
> vtconsole
>
> so for that reason gpio info page not display on Arndale.
>
> --
> You received this bug notification because you are a member of Linaro
> Powerdebug Commits, which is subscribed to Linaro PMWG Powerdebug.
> Matching subscriptions: powerdebug commits
> https://bugs.launchpad.net/bugs/1229658
>
> Title:
>   Information is unavailable on "Gpio" page in powerdebug 0.7.1 with
>   vexpress A9 Android.
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/linaro-android/+bug/1229658/+subscriptions

-- 
You received this bug notification because you are a member of Linaro
Powerdebug Commits, which is subscribed to Linaro PMWG Powerdebug.
Matching subscriptions: powerdebug commits
https://bugs.launchpad.net/bugs/1229658

Title:
  Information is unavailable on "Gpio" page in powerdebug 0.7.1 with
  vexpress A9 Android.

Status in Linaro Android:
  New
Status in Powerdebug - a tool to help ARM developers:
  Triaged

Bug description:
  On ARM Versatile Express A9 board with Linaro Android image:

  https://android-build.linaro.org/builds/~linaro-android/vexpress-
  linaro-13.09-release/#build=6

  Information is unavailable on "Clocks" & "Gpio" after launched
  powerdebug version 0.7.1, error output shows as below:

  root@vexpress:/ # powerdebug
  failed to initialize clock details (check debugfs)
  error: unable to open directory /sys/class/gpio
  failed to initialize gpios
  root@vexpress:/ #

  Please refer to attachment to get snapshot pictures.

  Note:

  Please run powerdebug in ADB shell, which the output is well
  formatted, however the failure is same as run in serial console.

  Latest update for this bug is the behaviour shows as described in
  comment #9, only GPIO information is unavailable.

  For the bug on Samsung Arndale Android, please refer to:

  https://bugs.launchpad.net/linaro-powerdebug/+bug/1298171

  ###########################################
  This issue is observed on following images:
  https://android-build.linaro.org/builds/~linaro-android/vexpress-linaro-13.09-release/#build=6
  https://android-build.linaro.org/builds/~linaro-android/vexpress-linaro-13.11-release/#build=2
  https://android-build.linaro.org/builds/~linaro-android/vexpress-linaro-13.12-release/#build=1
  https://android-build.linaro.org/builds/~linaro-android/vexpress-linaro-14.01-release/#build=6
  ###########################################
  From build #247, only "Gpio" page is empty:
  https://android-build.linaro.org/builds/~linaro-android/vexpress-linaro/#build=247
  https://android-build.linaro.org/builds/~linaro-android/vexpress-linaro-14.02-release/#build=11
  https://android-build.linaro.org/builds/~linaro-android/vexpress-linaro/#build=271
  https://android-build.linaro.org/builds/~linaro-android/vexpress-linaro-14.03-release/#build=1
  https://android-build.linaro.org/builds/~linaro-android/vexpress-linaro/#build=297
  https://android-build.linaro.org/builds/~linaro-android/vexpress-linaro-14.04-release/#build=1

To manage notifications about this bug go to:
https://bugs.launchpad.net/linaro-android/+bug/1229658/+subscriptions