diff options
| author | Jeremy Kerr <[email protected]> | 2018-02-20 14:48:44 +1030 |
|---|---|---|
| committer | Benjamin Herrenschmidt <[email protected]> | 2018-06-12 14:04:26 +1000 |
| commit | e5538139e043bcae133da1e55f02b0646eb601fa (patch) | |
| tree | 7f448d4c9f367d8333e85312d551e279f5f1e612 /tools/perf/scripts/python/call-graph-from-sql.py | |
| parent | e212ab47bd029466ad758a24831e3046a34ebda1 (diff) | |
fsi: gpio: Use a mutex to protect transfers
Reduce time spent with interrupts disabled by limiting the critical
sections to bitbanging FSI symbols. We only need to ensure exclusive use
of the bus for an entire transfer, not that the transfer be performed in
atomic context.
Signed-off-by: Jeremy Kerr <[email protected]>
Signed-off-by: Benjamin Herrenschmidt <[email protected]>
Tested-by: Joel Stanley <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-sql.py')
0 files changed, 0 insertions, 0 deletions