xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

test_firmware: add test custom fallback trigger

Browse Source 
We have no custom fallback mechanism test interface. Provide one.
This tests both the custom fallback mechanism and cancelling the
it.

Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Luis R. Rodriguez
2017-01-23 08:11:10 -08:00
committed by Greg Kroah-Hartman
parent eb67bc3ffd
commit 061132d2b9
2 changed files with 113 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

68
tools/testing/selftests/firmware/fw_fallback.sh
View File

@@ -83,6 +83,58 @@ load_fw_cancel()
wait
}
load_fw_custom()
{
local name="$1"
local file="$2"
echo -n "$name" >"$DIR"/trigger_custom_fallback 2>/dev/null &
# Give kernel a chance to react.
local timeout=10
while [ ! -e "$DIR"/"$name"/loading ]; do
sleep 0.1
timeout=$(( $timeout - 1 ))
if [ "$timeout" -eq 0 ]; then
echo "$0: firmware interface never appeared" >&2
exit 1
fi
done
echo 1 >"$DIR"/"$name"/loading
cat "$file" >"$DIR"/"$name"/data
echo 0 >"$DIR"/"$name"/loading
# Wait for request to finish.
wait
}
load_fw_custom_cancel()
{
local name="$1"
local file="$2"
echo -n "$name" >"$DIR"/trigger_custom_fallback 2>/dev/null &
# Give kernel a chance to react.
local timeout=10
while [ ! -e "$DIR"/"$name"/loading ]; do
sleep 0.1
timeout=$(( $timeout - 1 ))
if [ "$timeout" -eq 0 ]; then
echo "$0: firmware interface never appeared" >&2
exit 1
fi
done
echo -1 >"$DIR"/"$name"/loading
# Wait for request to finish.
wait
}
trap "test_finish" EXIT
# This is an unlikely real-world firmware content. :)
@@ -153,4 +205,20 @@ else
echo "$0: cancelling fallback mechanism works"
fi
load_fw_custom "$NAME" "$FW"
if ! diff -q "$FW" /dev/test_firmware >/dev/null ; then
echo "$0: firmware was not loaded" >&2
exit 1
else
echo "$0: custom fallback loading mechanism works"
fi
load_fw_custom_cancel "nope-$NAME" "$FW"
if diff -q "$FW" /dev/test_firmware >/dev/null ; then
echo "$0: firmware was expected to be cancelled" >&2
exit 1
else
echo "$0: cancelling custom fallback mechanism works"
fi
exit 0