Re: [PATCH 1/2] selftests: firmware: skip unsupported async loading tests

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On 11/08/2017 04:47 AM, Amit Pundir wrote:
> Ignore async firmware loading tests on older kernel releases,
> which do not support this feature.
> 
> Signed-off-by: Amit Pundir <amit.pundir@xxxxxxxxxx>
> ---
>  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

Please make this message consistent with the rest when a test is ignored
as in the following tomake it clear what is being done.

fw_fallback.sh:	echo "usermode helper disabled so ignoring test"
fw_filesystem.sh:		echo "Configuration triggers not present, ignoring test"


thanks,
-- Shuah

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