Implement the function which wait until a dma channel is stopped to have
a synchronization point.
This also protects the pxad_remove() from races, such as spurious
interrupts while removing the driver, because :
- as long as there is one dma channel requested, ie. dma_chan_get() but
no dma_cha
On Sun, Jul 10, 2016 at 11:50:49PM +0200, Robert Jarzmik wrote:
> Implement the function which wait until a dma channel is stopped to have
> a synchronization point.
>
> This also protects the pxad_remove() from races, such as spurious
> interrupts while removing the driver, because :
> - as long
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