On 12-03-20, 21:26, Baolin Wang wrote: > From: Zhenfang Wang <zhenfang.wang@xxxxxxxxxx> > > On new Spreadtrum platforms, when the CPU enters idle, it will close > the DMA controllers' clock to save power if the DMA controller is not > busy. Moreover the DMA controller's busy signal depends on the DMA > enable flag and the request pending flag. > > When DMA controller starts to transfer data, which means we already > set the DMA enable flag, but now we should also set the request pending > flag, in case the DMA clock will be closed accidentally if the CPU > can not detect the DMA controller's busy signal. Applied, thanks -- ~Vinod
