linux-kernel - Re: [PATCH v2 1/3] serial: core: Store fifo timeout again

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Date: Tue, 16 Apr 2024 21:58:31 +0300
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Michael Pratt <mcpratt@...me>
Cc: linux-kernel@...r.kernel.org, linux-serial@...r.kernel.org,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jiri Slaby <jirislaby@...nel.org>,
	Wander Lairson Costa <wander@...hat.com>,
	Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>,
	Vamshi Gajjela <vamshigajjela@...gle.com>
Subject: Re: [PATCH v2 1/3] serial: core: Store fifo timeout again

On Tue, Apr 16, 2024 at 06:29:28PM +0000, Michael Pratt wrote:
> This is a partial revert of Commit f9008285bb69
> ("serial: Drop timeout from uart_port").
> 
> In order to prevent having to calculate a timeout
> for the fifo device during a write operation, if enabled,
> calculate it ahead of time and store the value of the timeout
> in a struct member of uart_port.

..

> +	if (port->fifosize > 1)
> +		port->timeout = uart_fifo_timeout(port);

	else
		port->timeout = port->frame_time;

?

>  }

-- 
With Best Regards,
Andy Shevchenko