[PATCH 1/6] dmaengine/dw_dmac: Replace spin_lock_bh with irqsave variants

viresh kumar viresh.kumar at st.com
Tue Apr 26 23:47:07 EDT 2011


On 04/27/2011 02:03 AM, Russell King - ARM Linux wrote:
> On Tue, Apr 19, 2011 at 11:55:45AM +0530, viresh kumar wrote:
>> This must have been added in dw_dma_chan instead :(
>> Will resend it.
> 
> Even that doesn't work.  It has to be a local variable.

I assumed that flags wouldn't be updated if lock is already taken by some other thread.
In which case global flags would have worked fine.
But as i see now, that's incorrect. Flags is always changed, whether or not lock is taken.

Will resend it again.

-- 
viresh



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