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| author |   Yi Li <yi.li@analog.com> | 2009-06-03 09:46:22 +0000 |
|---|---|---|
| committer |   Mike Frysinger <vapier@gentoo.org> | 2010-10-18 02:49:29 -0400 |
| commit | f6a6d96685be6e784849d067b44acb831f595417 (patch) | |
| tree | 74676924942c6823b0b1517569394239d834943a /tools/perf/scripts/python/syscall-counts.py | |
| parent | spi/bfin_spi: force sane master-mode state at boot (diff) | |
| download | wireguard-linux-f6a6d96685be6e784849d067b44acb831f595417.tar.xz wireguard-linux-f6a6d96685be6e784849d067b44acb831f595417.zip | |
spi/bfin_spi: utilize the SPI interrupt in PIO mode
The current behavior in PIO mode is to poll the SPI status registers which
can obviously lead to higher latencies when doing a lot of SPI traffic.
There is a SPI interrupt which can be used instead to signal individual
completion of transactions.
Signed-off-by: Yi Li <yi.li@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'tools/perf/scripts/python/syscall-counts.py')
0 files changed, 0 insertions, 0 deletions