linux-kernel - Re: [PATCH 3/7] mmc_spi: adjust for delayed data token response

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Date:	Thu, 12 Mar 2009 01:24:37 -0800
From:	David Brownell <david-b@...bell.net>
To:	Wolfgang Mües <wolfgang.mues@...rswald.de>
Cc:	"Pierre Ossman" <drzeus@...eus.cx>,
	"Andrew Morton" <akpm@...ux-foundation.org>,
	"Matt Fleming" <matt@...sole-pimps.org>,
	"Mike Frysinger" <vapier.adi@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/7] mmc_spi: adjust for delayed data token response

On Thursday 12 March 2009, Wolfgang Mües wrote:
> David,
> Am Mittwoch, 11. März 2009 schrieb David Brownell:
> > All hardware needs some bits to send binary data!!
> >
> > Do you mean "which don't send byte-aligned responses,
> > contrary to MMC/SD/SDIO specifications"?
> 
> No. The specification states that the response from the card after a whole 
> data block is received is IMMEDIATELY, with 0 bits delay. Not every card is 
> able to do this all the time.
> 
> My comment is a little bit missleading, yes.

Well, aligned to zero bytes is the same as "immediately".  ;)

And that description matches up with your other patch.  But
either way, the comment was confusing.

- Dave


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