Message-ID: <43A07050.30603@ru.mvista.com>
Date: Wed, 14 Dec 2005 22:19:44 +0300
From: Vitaly Wool <vwool@ru.mvista.com>
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To: David Brownell <david-b@pacbell.net>
CC: Greg KH <greg@kroah.com>, linux-kernel@vger.kernel.org,
       dpervushin@gmail.com, akpm@osdl.org, basicmark@yahoo.com,
       komal_shah802003@yahoo.com, stephen@streetfiresound.com,
       spi-devel-general@lists.sourceforge.net, Joachim_Jaeger@digi.com
Subject: Re: [PATCH/RFC] SPI: add DMAUNSAFE analog to David Brownell's core
References: <20051212182026.4e393d5a.vwool@ru.mvista.com> <20051214171842.GB30546@kroah.com> <43A05C32.3070501@ru.mvista.com> <200512141102.53599.david-b@pacbell.net>
In-Reply-To: <200512141102.53599.david-b@pacbell.net>
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David Brownell wrote:

>On Wednesday 14 December 2005 9:53 am, Vitaly Wool wrote:
>
>  
>
>>	 Sound cards behind the SPI bus will suffer a lot more 
>>since it's their path to use wXrY functions (lotsa small transfers) 
>>rather than WLAN's.
>>    
>>
>
>No, "stupid drivers will suffer"; nothing new.  Just observe
>how the ads7846 touchscreen driver does small async transfers.
>  
>
So just answer please yes or no: are your spi_wXrY functions intended 
for usage at all or not?
Maybe you should remove them completely?

Vitaly
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