On Thu 2024-05-02 23:44:21, John Ogness wrote: > Currently the port->lock wrappers uart_port_lock(), > uart_port_unlock() (and their variants) only lock/unlock > the spin_lock. > > If the port is an nbcon console, the wrappers must also > acquire/release the console and mark the region as unsafe. This > allows general port->lock synchronization to be synchronized > with the nbcon console ownership. > > Note that __uart_port_using_nbcon() relies on the port->lock > being held while a console is added and removed from the > console list (i.e. all uart nbcon drivers *must* take the > port->lock in their device_lock() callbacks). > > Signed-off-by: John Ogness <john.ogness@xxxxxxxxxxxxx> Reviewed-by: Petr Mladek <pmladek@xxxxxxxx> Best Regards, Petr
