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selftests: firmware: Add request_firmware_into_buf tests

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Add tests cases for checking request_firmware_into_buf api.
API was introduced into kernel with no testing present previously.

Signed-off-by: Scott Branden <scott.branden@broadcom.com>
Acked-by: Luis Chamberlain <mcgrof@kernel.org>
Acked-by: Shuah Khan <skhan@linuxfoundation.org>
Link: https://lore.kernel.org/r/20190822184005.901-3-scott.branden@broadcom.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Scott Branden
2019-08-22 11:40:05 -07:00
committed by Greg Kroah-Hartman
parent 7feebfa487
commit 1798045900
2 changed files with 66 additions and 2 deletions
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11
tools/testing/selftests/firmware/fw_lib.sh
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@@ -9,6 +9,12 @@ DIR=/sys/devices/virtual/misc/test_firmware
PROC_CONFIG="/proc/config.gz"
TEST_DIR=$(dirname $0)
# We need to load a different file to test request_firmware_into_buf
# I believe the issue is firmware loaded cached vs. non-cached
# with same filename is bungled.
# To reproduce rename this to test-firmware.bin
TEST_FIRMWARE_INTO_BUF_FILENAME=test-firmware-into-buf.bin
# Kselftest framework requirement - SKIP code is 4.
ksft_skip=4
@@ -108,6 +114,8 @@ setup_tmp_file()
FWPATH=$(mktemp -d)
FW="$FWPATH/test-firmware.bin"
echo "ABCD0123" >"$FW"
FW_INTO_BUF="$FWPATH/$TEST_FIRMWARE_INTO_BUF_FILENAME"
echo "EFGH4567" >"$FW_INTO_BUF"
NAME=$(basename "$FW")
if [ "$TEST_REQS_FW_SET_CUSTOM_PATH" = "yes" ]; then
echo -n "$FWPATH" >/sys/module/firmware_class/parameters/path
@@ -175,6 +183,9 @@ test_finish()
if [ -f $FW ]; then
rm -f "$FW"
fi
if [ -f $FW_INTO_BUF ]; then
rm -f "$FW_INTO_BUF"
fi
if [ -d $FWPATH ]; then
rm -rf "$FWPATH"
fi