spi/spi-pl022: Query on working of DMA mode

viresh kumar viresh.kumar at st.com
Wed Aug 3 23:39:39 EDT 2011


On 08/03/2011 08:28 PM, Linus Walleij wrote:
>> > Here, allocation is requested with GFP_KERNEL flag, from a tasklet.
>> > Which gives following crash logs:
> What happens if you replace it with GFP_NOWAIT?
> 
> That should work for everybody.
> 
> Or you could remove the tasklet allover and replace it with a workqueue.
> 

Ok. I will fix this and include in my patchset.

>> > Is DMA mode working in your case?
> Yes, magically :-/

But how? Don't you have any message with more than one transfer in it?

-- 
viresh



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