linaro-pm-wg team mailing list archive

[Soumya Basak <soumya.basak@xxxxxxxxxx>]

observed with Linaro android jellybean TI-panda builds:

https://android-build.linaro.org/builds/~linaro-android-member-ti/panda-
linaro-13.09-release/#build=10

 "gpio" directory there is under  /sys/class

root@pandaboard:/ # ls /sys/class
android_usb
backlight
bdi
block
bluetooth
bsg
display
firmware
gpio
graphics
i2c-adapter
i2c-dev
ieee80211
input
lcd
lirc
mbox
mdio_bus
mem
misc
mmc_host
net
power_supply
pvr
rc
regulator
rfkill
rtc
scsi_device
scsi_disk
scsi_host
sound
spi_master
switch
thermal
tiler
timed_output
tty
udc
usb_device
usbmon
vc
video4linux
vtconsole
root@pandaboard:/ #

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https://bugs.launchpad.net/bugs/1229658

Title:
  Information is unavailable on "Clocks" & "Gpio" pages in powerdebug
  0.7.1

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

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
  formated, however the failure is same as run in serial console.

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