Messages in this thread | | | Date | Tue, 9 Apr 2024 14:00:17 +0200 | From | Petr Mladek <> | Subject | Re: [PATCH printk v4 08/27] serial: core: Provide low-level functions to lock port |
| |
On Wed 2024-04-03 00:17:10, John Ogness wrote: > It will be necessary at times for the uart nbcon console > drivers to acquire the port lock directly (without the > additional nbcon functionality of the port lock wrappers). > These are special cases such as the implementation of the > device_lock()/device_unlock() callbacks or for internal > port lock wrapper synchronization. > > Provide low-level variants __uart_port_lock_irqsave() and > __uart_port_unlock_irqrestore() for this purpose. > > Signed-off-by: John Ogness <john.ogness@linutronix.de>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Best Regards, Petr
| |