linux-kernel - Re: [PATCH 22/36] serial: fix pch

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Date:	Thu, 6 Jan 2011 16:31:59 -0800
From:	Greg KH <gregkh@...e.de>
To:	Tomoya MORINAGA <tomoya-linux@....okisemi.com>
Cc:	linux-kernel@...r.kernel.org,
	'Randy Dunlap' <randy.dunlap@...cle.com>
Subject: Re: [PATCH 22/36] serial: fix pch_uart kconfig & build

On Fri, Jan 07, 2011 at 09:21:43AM +0900, Tomoya MORINAGA wrote:
> Hi Greg,
> 
> On Friday, January 07, 2011 7:23 AM, Greg Kroah-Hartman wrote:
> > Also, the help text says that the 
> > driver enables & uses PCH_DMA, which is not enabled, so select that. 
> 
> I think PCH_DMA is not always used when a user uses PCH_UART.
> Since overhead of DMA is not small, in case of low frequent communication,
> without DMA is better.
> Thus, I think "select PCH_DMA" is unnecessary
> 
> (Of course, the PCH_UART works both with/without PCH_DMA.)

Patches are always welcome to fix things up :)

thanks,

greg k-h
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