greybus: firmware: add comment to show size calculations
The firmware file name's maximum length is set to 56 right now, but it isn't very much readable how we got to that value (unless someone reads that line). Update the comment to show calculations. Reported-by: Alex Elder <alex.elder@linaro.org> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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@ -14,7 +14,10 @@
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#define FW_NAME_PREFIX "gmp_"
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/* Length of the string in format: "FW_NAME_PREFIX""%08x_%08x_%08x_%08x_%s.tftf" */
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/*
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* Length of the string in format: "FW_NAME_PREFIX""%08x_%08x_%08x_%08x_%s.tftf"
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* (3 + 1 + 4 * (8 + 1) + 10 + 1 + 4 + 1)
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*/
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#define FW_NAME_SIZE 56
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/* Firmware Management Protocol specific functions */
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