tree dcbbfd8154c62a3bb02c23d071f57cba08294371
parent 6ff33f3902c3b1c5d0db6b1e2c70b6d76fba357f
author Martin Sperl <kernel@martin.sperl.org> 1434978124 +0000
committer Mark Brown <broonie@kernel.org> 1442686376 -0700

spi: add transfer histogram statistics via sysfs

report transfer sizes as a histogram via the following files:
  /sys/class/spi_master/spi*/statistics/transfer_bytes_histo_*
  /sys/class/spi_master/spi*/spi*.*/statistics/transfer_bytes_histo_*

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