of: Make of_find_property_value_of_size take a length range
In preparation for adding variable-length array reads, change of_find_property_value_of_size so that it takes an optional maximum length. If the maximum is passed as 0, the behaviour is unchanged and it will return a property if it's >= the requested minimum length. If maximum is non-zero it will only return a property whose length is min <= l <= max. Signed-off-by: Richard Fitzgerald <rf@opensource.wolfsonmicro.com> Signed-off-by: Rob Herring <robh@kernel.org>
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