diff options
author | Glenn Langedock <Glenn.Langedock@barco.com> | 2020-06-17 17:07:21 +0530 |
---|---|---|
committer | Bartosz Golaszewski <bgolaszewski@baylibre.com> | 2020-06-24 12:10:09 +0200 |
commit | fdcfec11b215b3bbc9c20240739cf76be921cca1 (patch) | |
tree | d2e637aeb3226c1d82fbaf276b2507b24a86a493 /tools/perf/scripts/python/netdev-times.py | |
parent | 8346b92ecddfae624b1dd4631e840fb98f5430cd (diff) |
gpio: zynq: protect direction in/out with a spinlock
Fix race condition when changing the direction (in/out) of the GPIO pin.
The read-modify-write sequence (as coded in the driver) isn't atomic and
requires synchronization (spinlock).
Signed-off-by: Glenn Langedock <Glenn.Langedock@barco.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Srinivas Neeli <srinivas.neeli@xilinx.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Diffstat (limited to 'tools/perf/scripts/python/netdev-times.py')
0 files changed, 0 insertions, 0 deletions