linux-kernel - Re: [LIBERTAS-SDIO] Support for single transfer blocks?

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Message-ID: <20090513182846.044fc461@mjolnir.ossman.eu>
Date:	Wed, 13 May 2009 18:28:46 +0200
From:	Pierre Ossman <pierre@...man.eu>
To:	Luis Galdos <luis.galdos@...i.com>
Cc:	Dan Williams <dcbw@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-wireless@...r.kernel.org,
	Pierre Ossman <drzeus@...eus.cx>
Subject: Re: [LIBERTAS-SDIO]  Support for single transfer blocks?

> > On Mon, 11 May 2009 16:41:51 +0200 Luis Galdos <luis.galdos@...i.com> wrote:
> > > 
> > > * The transfer of Ethernet-frames works only if the "complete" frame is smaller than the 
> > > block size of the SDIO-host. By larger packages, the SD8686 doesn't generate the expected 
> > > IRQ (cause it expected a multiple transfer) and the driver detects a timeout.
> > > 

Unfortunately, the libertas chip cannot support your host as it
requires everything to be done in a single transaction. So I'm afraid
you'll have to look at another host controller or another wifi chip.

Rgds
-- 
     -- Pierre Ossman

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