From: Felipe Balbi <felipe.balbi-xNZwKgViW5gAvxtiuMwx3w@public.gmane.org>
To: "ext Gadiyar, Anand" <gadiyar-l0cyMroinI0@public.gmane.org>
Cc: "Gupta, Ajay Kumar" <ajay.gupta-l0cyMroinI0@public.gmane.org>,
"linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
"linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
"Balbi Felipe (Nokia-D/Helsinki)"
<felipe.balbi-xNZwKgViW5gAvxtiuMwx3w@public.gmane.org>
Subject: Re: [PATCH] musb: Add new fifo table for a OMAP3 errata
Date: Mon, 21 Dec 2009 12:46:47 +0200 [thread overview]
Message-ID: <20091221104647.GF30969@nokia.com> (raw)
In-Reply-To: <5A47E75E594F054BAF48C5E4FC4B92AB031DB9AF94-/tLxBxkBPtCIQmiDNMet8wC/G2K4zDHf@public.gmane.org>
On Mon, Dec 21, 2009 at 11:12:16AM +0100, ext Gadiyar, Anand wrote:
>Gupta, Ajay Kumar wrote:
>>
>> We have observed MSC data read corruption when USB LAN device is
>> also connected and it's interface is up.
>>
>> Silicon team has confirmed an errata where in all the active
>> transfers should use FIFO space either in first 8K or next 8K.
>> So far we have observed the issue in above use case scenario.
>>
>> As a workaround to it, adding a new FIFO config (5) fitting well
>> within first 8K which can be used for such use cases.
>>
>> Signed-off-by: Ajay Kumar Gupta <ajay.gupta-l0cyMroinI0@public.gmane.org>
>
>Long term, do you think the board files should define the
>the FIFO configuration table that they want to use (instead of
>having different options in musb_core.c)?
I think so too and even sent a patch long time about doing that but it
got lost.
I recall Dave wanted to have a default mode on musb_core.c though.
>Acked-by: Anand Gadiyar <gadiyar-l0cyMroinI0@public.gmane.org>
I'm taking this one
--
balbi
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prev parent reply other threads:[~2009-12-21 10:46 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-21 9:29 [PATCH] musb: Add new fifo table for a OMAP3 errata Ajay Kumar Gupta
2009-12-21 10:12 ` Gadiyar, Anand
[not found] ` <5A47E75E594F054BAF48C5E4FC4B92AB031DB9AF94-/tLxBxkBPtCIQmiDNMet8wC/G2K4zDHf@public.gmane.org>
2009-12-21 10:46 ` Felipe Balbi [this message]
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