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Message-ID: <ZhUt0ZX5aWZ6G8nf@localhost.localdomain>
Date: Tue, 9 Apr 2024 14:00:17 +0200
From: Petr Mladek <pmladek@...e.com>
To: John Ogness <john.ogness@...utronix.de>
Cc: Sergey Senozhatsky <senozhatsky@...omium.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Thomas Gleixner <tglx@...utronix.de>, linux-kernel@...r.kernel.org,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jiri Slaby <jirislaby@...nel.org>, linux-serial@...r.kernel.org
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@...utronix.de>

Reviewed-by: Petr Mladek <pmladek@...e.com>

Best Regards,
Petr

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