[PATCH] dmaengine: ti: omap-dma: Skip pointless cpu_pm context restore on errors

[Vinod Koul]

On 18-05-21, 10:43, Tony Lindgren wrote:
> There's no need to restore DMA context on CPU_CLUSTER_PM_ENTER_FAILED as
> the DMA context won't be lost on errors.
> 
> Note that this does not cause invalid context restore as we already check
> for busy DMA with omap_dma_busy() in CPU_CLUSTER_PM_ENTER, and block any
> deeper idle states for the SoC by returning NOTIFY_BAD if busy.
> 
> If other drivers block deeper idle states with cpu_pm, we now just do a
> pointless restore, but only if dma was not busy on CPU_CLUSTER_PM_ENTER.
> 
> Let's update the CPU_CLUSTER_PM_ENTER_FAILED handling for correctness,
> and add a comment.

Applied, thanks

-- 
~Vinod