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spi/trace: Cap buffer contents at 64 bytes
authorNoralf Trønnes <noralf@tronnes.org>
Sat, 13 Apr 2019 20:48:55 +0000 (22:48 +0200)
committerMark Brown <broonie@kernel.org>
Thu, 2 May 2019 01:37:52 +0000 (10:37 +0900)
commited86bf8ef3b5ea49230d7d7050a360b74df98ce2
tree341520fc2cbbbf06ef66bb425bf3466e8c389da4
parentc9ba7a16d0f1d2b1e70d47296eca5f612c753825
spi/trace: Cap buffer contents at 64 bytes

Large transfers (64kB) doesn't show up in the trace. Not sure why, but
since printk can only display buffers up to 64 bytes in length, we only
need to store the first 64 bytes.

Cc: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
include/trace/events/spi.h