ARM64: DTS: Add rk3399-firefly uart4 device, node as /dev/ttyS1
[firefly-linux-kernel-4.4.55.git] / Documentation / features / locking /
drwxr-xr-x   ..
drwxr-xr-x - cmpxchg-local
drwxr-xr-x - lockdep
drwxr-xr-x - queued-rwlocks
drwxr-xr-x - queued-spinlocks
drwxr-xr-x - rwsem-optimized