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    SubjectRe: [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

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