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| 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 /Documentation/devicetree/bindings/gpio | |
| parent | gpio: max732x: remove redundant check from probe() (diff) | |
| download | linux-dev-fdcfec11b215b3bbc9c20240739cf76be921cca1.tar.xz linux-dev-fdcfec11b215b3bbc9c20240739cf76be921cca1.zip | |
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 'Documentation/devicetree/bindings/gpio')
0 files changed, 0 insertions, 0 deletions