Arnd Bergmann f87eba996b rt2x00: use monotonic timestamps for frame dump ... rt2x00 uses the deprecated do_gettimeofday() function to get a timestamp for its debugfs "dump" file interface. The timestamp is using an unsigned 32-bit value, so we could make it work until 2106 by using ktime_get_real_ts64(), but it seems better to use monotonic times, as we normally want for timestamps. Since this is an interface change, I'm incrementing the DUMP_HEADER_VERSION number, so user space can figure out whether the timestamps are monotonic or not. Most likely the tools won't care either way. Generally speaking, ABI version numbers and in particular changing them is a bad idea. However since this is in debugfs, we don't put any API stability rules on the interface according to Documentation/filesystems/debugfs.txt, and we can take the easy way out here; anyone using the frame dump feature can probably work out the differences here. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>		2017-11-10 04:33:05 +02:00
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rt2x00	rt2x00: use monotonic timestamps for frame dump	2017-11-10 04:33:05 +02:00
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