linux-kernel - Re: [PATCH 2/4] tty: serial: altera_uart: Use port->regshift to store bus shift

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Date:	Wed, 9 Feb 2011 13:46:35 +0300
From:	Anton Vorontsov <cbouatmailru@...il.com>
To:	Tobias Klauser <tklauser@...tanz.ch>
Cc:	Greg Kroah-Hartman <gregkh@...e.de>, linux-serial@...r.kernel.org,
	nios2-dev@...c.et.ntust.edu.tw, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/4] tty: serial: altera_uart: Use port->regshift to
 store bus shift

On Wed, Feb 09, 2011 at 10:57:04AM +0100, Tobias Klauser wrote:
> Use the regshift member of struct uart_port to store the address stride
> from platform data. This way we can save one dereference per call of
> altera_uart_readl and altera_uart_writel.
> 
> This also allows us to use the driver without platform data, which is
> needed for device tree support in the Nios2 port.
> 
> Cc: Anton Vorontsov <cbouatmailru@...il.com>
> Signed-off-by: Tobias Klauser <tklauser@...tanz.ch>

Acked-by: Anton Vorontsov <cbouatmailru@...il.com>

Thanks!

-- 
Anton Vorontsov
Email: cbouatmailru@...il.com
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