linux-kernel - Re: [PATCH 7/7] mmc_spi: support for non-byte-aligned cards

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Date:	Wed, 11 Mar 2009 16:00:05 +0100
From:	Wolfgang Mües <wolfgang.mues@...rswald.de>
To:	"Will Newton" <will.newton@...il.com>
Cc:	"Pierre Ossman" <drzeus@...eus.cx>,
	"Andrew Morton" <akpm@...ux-foundation.org>,
	"Matt Fleming" <matt@...sole-pimps.org>,
	"David Brownell" <dbrownell@...rs.sourceforge.net>,
	"Mike Frysinger" <vapier.adi@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 7/7] mmc_spi: support for non-byte-aligned cards

Will,

Am Mittwoch, 11. März 2009 schrieb Will Newton:
> Are they using the same host controller? Have you tried these cards
> with a different host controller?

I have tried with 3 different spi host controllers.

> Are you clocking them particularly slow or fast?

400 KHz, 20 MHz and 25 MHz.

> A logic probe may not display any signal integrity issues you might have.

My "logic probe" is a 1 GHz leCroy DSO. 

I am doing this for money, and I am no amateur.

best regards
 
i. A. Wolfgang Mües
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