Re: [PATCH printk v3 22/40] console: introduce console_is_registered()

[Petr Mladek]

On Mon 2022-11-07 15:22:20, John Ogness wrote:
> Currently it is not possible for drivers to detect if they have
> already successfully registered their console. Several drivers
> have multiple paths that lead to console registration. To avoid
> attempting a 2nd registration (which leads to a WARN), drivers
> are implementing their own solution.
> 
> Introduce console_is_registered() so drivers can easily identify
> if their console is currently registered. A _locked() variant
> is also provided if the caller is already holding the
> console_list_lock.
> 
> Signed-off-by: John Ogness <john.ogness@xxxxxxxxxxxxx>

Reviewed-by: Petr Mladek <pmladek@xxxxxxxx>

Best Regards,
Petr