On 06/01/2020 01:17, Dmitry Osipenko wrote: > There is no benefit from runtime PM usage for the APB DMA driver because > it enables clock at the time of channel's allocation and thus clock stays > enabled all the time in practice, secondly there is benefit from manually > disabled clock because hardware auto-gates it during idle by itself. This assumes that the channel is allocated during a driver initialisation. That may not always be the case. I believe audio is one case where channels are requested at the start of audio playback. Jon -- nvpublic
