linux-kernel - Re: [PATCH 8/8] atmel_serial: Kill at91_register_uart

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Message-ID: <20060928113857.0e3e7c48@cad-250-152.norway.atmel.com>
Date:	Thu, 28 Sep 2006 11:38:57 +0200
From:	Haavard Skinnemoen <hskinnemoen@...el.com>
To:	Andrew Victor <andrew@...people.com>
Cc:	Russell King <rmk+lkml@....linux.org.uk>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 8/8] atmel_serial: Kill at91_register_uart_fns

On 28 Sep 2006 11:21:55 +0200
Andrew Victor <andrew@...people.com> wrote:

> hi Haavard,
> 
> > at91_register_uart_fns has no users as far as I can see. Let's get
> > rid of it.
> 
> No.  It is being used.
> 
> This interface is used to register board-specific functions that can
> be use to control the serial port modem-control lines.
> 
> For example, the AT91RM9200 only provides the full modem-control
> signals on USART1.  If you need the modem-control signals for any of
> the other ports you need to drive some of the GPIO pins manually.  So
> you need this hook back into your board-specific file to do that.

Ok, I sort of suspected that. But I can't see any users in the kernel
tree, so perhaps we should leave the name of the function alone too?
(i.e. just drop the patch)

Haavard
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