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

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Message-Id: <200903120920.06935.wolfgang.mues@auerswald.de>
Date:	Thu, 12 Mar 2009 09:20:06 +0100
From:	Wolfgang Mües <wolfgang.mues@...rswald.de>
To:	"David Brownell" <david-b@...bell.net>
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

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.

best regards
 
i. A. Wolfgang Mües
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