spi: bcm2835aux: add driver stats to debugfs

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To estimate efficiency add statistics on transfer types
(polling and interrupt) used to debugfs.

Signed-off-by: Martin Sperl <kernel@martin.sperl.org>
Signed-off-by: Mark Brown <broonie@kernel.org>

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Martin Sperl 2019-03-30 10:13:53 +00:00 • committed by Mark Brown

parent fedd694068

commit 8048d151eb

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drivers/spi/spi-bcm2835aux.c

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