[PATCH v5 0/3] OMAP2/3: DMA: FIFO drain errata fixes

Peter Ujfalusi peter.ujfalusi at nokia.com
Thu Oct 21 06:05:17 EDT 2010

Sorry, I did missed this mail...

On Saturday 09 October 2010 01:17:46 ext Tony Lindgren wrote:

> Guys, as we're so late into getting 2.6.36 tagged, I'm thinking about just
> queueing these for 2.6.37 for the following reasons:
> - The 24xx patch is a fix for commit c12abc0 that's was merged over a
>   year ago. We've lived with it for over a year now. What difference does
>   extra few more months make if we have it in 2.6.37 instead of 2.6.36?
> - The second 34xx fix seems to happen only when disabling DMA on the fly.
>   Again, we've had support for 34xx in the mainline kernel for a few
>   years, and we're not seeing unrecoverable issues with MMC or USB or
>   any other code calling omap_dma_stop().
> Sure these fix major issues with the DMA, but are these really critical
> for 2.6.36?
> So if you really want me to argue for merging these into 2.6.36, please let
> me know some oops causing cases or data corruption that happens without
> these patches.

Well 2.6.36 is released.
I still would like to see this to be part of the release. We can 
reproduce the DMA error in 2.6.36 with audio.

Tony: can you make sure it is going to part of


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