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Driver core patches for 4.3-rc1

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Here is the new patches for the driver core / sysfs for 4.3-rc1.
 
 Very small number of changes here, all the details are in the shortlog,
 nothing major happening at all this kernel release, which is nice to
 see.
 
 Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Merge tag 'driver-core-4.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core updates from Greg KH:
 "Here is the new patches for the driver core / sysfs for 4.3-rc1.

  Very small number of changes here, all the details are in the
  shortlog, nothing major happening at all this kernel release, which is
  nice to see"

* tag 'driver-core-4.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  bus: subsys: update return type of ->remove_dev() to void
  driver core: correct device's shutdown order
  driver core: fix docbook for device_private.device
  selftests: firmware: skip timeout checks for kernels without user mode helper
  kernel, cpu: Remove bogus __ref annotations
  cpu: Remove bogus __ref annotation of cpu_subsys_online()
  firmware: fix wrong memory deallocation in fw_add_devm_name()
  sysfs.txt: update show method notes about sprintf/snprintf/scnprintf usage
  devres: fix devres_get()
This commit is contained in:
Linus Torvalds 2015-08-31 08:47:40 -07:00
commit 1af115d675
16 changed files with 118 additions and 41 deletions
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25
tools/testing/selftests/firmware/fw_filesystem.sh
View file

@ -9,7 +9,15 @@ modprobe test_firmware
DIR=/sys/devices/virtual/misc/test_firmware
OLD_TIMEOUT=$(cat /sys/class/firmware/timeout)
# CONFIG_FW_LOADER_USER_HELPER has a sysfs class under /sys/class/firmware/
# These days no one enables CONFIG_FW_LOADER_USER_HELPER so check for that
# as an indicator for CONFIG_FW_LOADER_USER_HELPER.
HAS_FW_LOADER_USER_HELPER=$(if [ -d /sys/class/firmware/ ]; then echo yes; else echo no; fi)
if [ "$HAS_FW_LOADER_USER_HELPER" = "yes" ]; then
OLD_TIMEOUT=$(cat /sys/class/firmware/timeout)
fi
OLD_FWPATH=$(cat /sys/module/firmware_class/parameters/path)
FWPATH=$(mktemp -d)
@ -17,7 +25,9 @@ FW="$FWPATH/test-firmware.bin"
test_finish()
{
echo "$OLD_TIMEOUT" >/sys/class/firmware/timeout
if [ "$HAS_FW_LOADER_USER_HELPER" = "yes" ]; then
echo "$OLD_TIMEOUT" >/sys/class/firmware/timeout
fi
echo -n "$OLD_PATH" >/sys/module/firmware_class/parameters/path
rm -f "$FW"
rmdir "$FWPATH"
@ -25,8 +35,11 @@ test_finish()
trap "test_finish" EXIT
# Turn down the timeout so failures don't take so long.
echo 1 >/sys/class/firmware/timeout
if [ "$HAS_FW_LOADER_USER_HELPER" = "yes" ]; then
# Turn down the timeout so failures don't take so long.
echo 1 >/sys/class/firmware/timeout
fi
# Set the kernel search path.
echo -n "$FWPATH" >/sys/module/firmware_class/parameters/path
@ -41,7 +54,9 @@ if diff -q "$FW" /dev/test_firmware >/dev/null ; then
echo "$0: firmware was not expected to match" >&2
exit 1
else
echo "$0: timeout works"
if [ "$HAS_FW_LOADER_USER_HELPER" = "yes" ]; then
echo "$0: timeout works"
fi
fi
# This should succeed via kernel load or will fail after 1 second after

12
tools/testing/selftests/firmware/fw_userhelper.sh
View file

@ -9,7 +9,17 @@ modprobe test_firmware
DIR=/sys/devices/virtual/misc/test_firmware
OLD_TIMEOUT=$(cat /sys/class/firmware/timeout)
# CONFIG_FW_LOADER_USER_HELPER has a sysfs class under /sys/class/firmware/
# These days no one enables CONFIG_FW_LOADER_USER_HELPER so check for that
# as an indicator for CONFIG_FW_LOADER_USER_HELPER.
HAS_FW_LOADER_USER_HELPER=$(if [ -d /sys/class/firmware/ ]; then echo yes; else echo no; fi)
if [ "$HAS_FW_LOADER_USER_HELPER" = "yes" ]; then
OLD_TIMEOUT=$(cat /sys/class/firmware/timeout)
else
echo "usermode helper disabled so ignoring test"
exit 0
fi
FWPATH=$(mktemp -d)
FW="$FWPATH/test-firmware.bin"