[alsa-devel] [PATCH] ASoC: omap-pcm: Lower the dma coherent mask to 32bits

Peter Ujfalusi peter.ujfalusi at ti.com
Fri Dec 6 10:31:52 CET 2013

On 12/05/2013 09:28 PM, Russell King - ARM Linux wrote:
> gives us the very last PFN which the bus associated with dev is able to
> address.  Hmm - so I got the test wrong on both twice - they should both
> be:
>  	if (sizeof(mask) != sizeof(dma_addr_t) &&
>  	    mask > (dma_addr_t)~0 &&
>  	    dma_to_pfn(dev, ~0) < min(max_pfn, arm_dma_pfn_limit))
> 		return 0;
> since we want to fail if we have _more_ memory than the bus will allow.
> Can you try the above in both locations please?

Thanks, works fine.
I will be out for a long weekend so you can add my:

Tested-by: Peter Ujfalusi <peter.ujfalusi at ti.com>

to the final patch.


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