Re: [PATCH V2] dma: tegra: enable/disable dma clock

[Laxman Dewangan <ldewangan@nvidia.com>]

On Tuesday 24 July 2012 10:38 AM, Vinod Koul wrote:
> On Fri, 2012-07-20 at 13:31 +0530, Laxman Dewangan wrote:
>> Enable the DMA clock when allocating channel and
>> disable clock when freeing channels.
>>
>> Signed-off-by: Laxman Dewangan<ldewangan@nvidia.com>
>> ---
>> +	clk_disable_unprepare(tdma->dma_clk);
> What if another channel is active, disabling clock can cause bad
> behavior. You should check here if all channels are idle and then
> disable, or is this handled by clock API?

Yes, clock driver keeps the reference count and so client driver need 
not to take care.

Thanks,
Laxman