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From:   Amit Pundir <amit.pundir@linaro.org>
To:     kselftest <linux-kselftest@vger.kernel.org>,
        lkml <linux-kernel@vger.kernel.org>
Cc:     Shuah Khan <shuah@kernel.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        "Luis R . Rodriguez" <mcgrof@kernel.org>,
        Masami Hiramatsu <masami.hiramatsu@linaro.org>,
        Sumit Semwal <sumit.semwal@linaro.org>
Subject: [PATCH 1/2] selftests: firmware: skip unsupported async loading tests
Date:   Wed,  8 Nov 2017 17:17:39 +0530
Message-Id: <1510141660-31612-2-git-send-email-amit.pundir@linaro.org>
In-Reply-To: <1510141660-31612-1-git-send-email-amit.pundir@linaro.org>
References: <1510141660-31612-1-git-send-email-amit.pundir@linaro.org>
Author: Amit Pundir <amit.pundir@linaro.org>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

Ignore async firmware loading tests on older kernel releases,
which do not support this feature.

Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
---
 tools/testing/selftests/firmware/fw_filesystem.sh | 34 ++++++++++++++---------
 1 file changed, 21 insertions(+), 13 deletions(-)

diff --git a/tools/testing/selftests/firmware/fw_filesystem.sh b/tools/testing/selftests/firmware/fw_filesystem.sh
index 62f2d6f54929..b1f20fef36c7 100755
--- a/tools/testing/selftests/firmware/fw_filesystem.sh
+++ b/tools/testing/selftests/firmware/fw_filesystem.sh
@@ -70,9 +70,13 @@ if printf '\000' >"$DIR"/trigger_request 2> /dev/null; then
 	exit 1
 fi
 
-if printf '\000' >"$DIR"/trigger_async_request 2> /dev/null; then
-	echo "$0: empty filename should not succeed (async)" >&2
-	exit 1
+if [ ! -e "$DIR"/trigger_async_request ]; then
+	echo "$0: empty filename: async trigger not supported" >&2
+else
+	if printf '\000' >"$DIR"/trigger_async_request 2> /dev/null; then
+		echo "$0: empty filename should not succeed (async)" >&2
+		exit 1
+	fi
 fi
 
 # Request a firmware that doesn't exist, it should fail.
@@ -105,17 +109,21 @@ else
 fi
 
 # Try the asynchronous version too
-if ! echo -n "$NAME" >"$DIR"/trigger_async_request ; then
-	echo "$0: could not trigger async request" >&2
-	exit 1
-fi
-
-# Verify the contents are what we expect.
-if ! diff -q "$FW" /dev/test_firmware >/dev/null ; then
-	echo "$0: firmware was not loaded (async)" >&2
-	exit 1
+if [ ! -e "$DIR"/trigger_async_request ]; then
+	echo "$0: firmware loading: async trigger not supported" >&2
 else
-	echo "$0: async filesystem loading works"
+	if ! echo -n "$NAME" >"$DIR"/trigger_async_request ; then
+		echo "$0: could not trigger async request" >&2
+		exit 1
+	fi
+
+	# Verify the contents are what we expect.
+	if ! diff -q "$FW" /dev/test_firmware >/dev/null ; then
+		echo "$0: firmware was not loaded (async)" >&2
+		exit 1
+	else
+		echo "$0: async filesystem loading works"
+	fi
 fi
 
 ### Batched requests tests
-- 
2.7.4


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