From: Peter Ujfalusi <peter.ujfalusi@nokia.com>
To: "ext G, Manjunath Kondaiah" <manjugk@ti.com>
Cc: Jarkko Nikula <jhnikula@gmail.com>,
Tony Lindgren <tony@atomide.com>,
"linux-omap@vger.kernel.org" <linux-omap@vger.kernel.org>,
Liam Girdwood <lrg@slimlogic.co.uk>
Subject: Re: [PATCH v3 1/2] omap: dma: Fix buffering disable bit setting for omap24xx
Date: Mon, 4 Oct 2010 09:15:27 +0300 [thread overview]
Message-ID: <201010040915.27745.peter.ujfalusi@nokia.com> (raw)
In-Reply-To: <E0D41E29EB0DAC4E9F3FF173962E9E9402DB90C865@dbde02.ent.ti.com>
On Monday 04 October 2010 08:55:46 ext G, Manjunath Kondaiah wrote:
>
> 2/2 is applicable for all omap2plus except omap4. So far 2/2 workaround is
> not used with TI internal trees.
>
> > We experimented that also on 2420 and it seemed to help but since the
> > lockup was unrecovable I went thinking if 2420 has also another issue
> > what original
> > workaround was trying to fix and buffering disable was needed there.
>
> I don't have any data for 2420. Based on your observation, it is better
> to disable buffering for 2420.
Does the same errata number applies to OMAP2 and OMAP3 as well?
For OMAP3 the errata number is i541, but I do not know the iXYZ number for OMAP2
class.
Thanks,
Péter
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next prev parent reply other threads:[~2010-10-04 6:16 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-01 12:36 [PATCH v3 0/2] OMAP2/3: DMA: FIFO drain errata fixes Peter Ujfalusi
2010-10-01 12:36 ` [PATCH v3 1/2] omap: dma: Fix buffering disable bit setting for omap24xx Peter Ujfalusi
2010-10-02 4:42 ` G, Manjunath Kondaiah
2010-10-04 5:43 ` Jarkko Nikula
2010-10-04 5:55 ` G, Manjunath Kondaiah
2010-10-04 6:15 ` Peter Ujfalusi [this message]
2010-10-04 6:23 ` G, Manjunath Kondaiah
2010-10-04 7:15 ` Peter Ujfalusi
2010-10-04 7:36 ` G, Manjunath Kondaiah
2010-10-04 7:41 ` Peter Ujfalusi
2010-10-01 12:36 ` [PATCH v3 2/2] OMAP3: DMA: Errata: sDMA FIFO draining does not finish Peter Ujfalusi
2010-10-01 15:04 ` Shilimkar, Santosh
2010-10-02 4:43 ` G, Manjunath Kondaiah
2010-10-01 16:55 ` Tony Lindgren
2010-10-01 23:23 ` Tony Lindgren
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