Re: [PATCH 5/8 v4] dma: k3dma: Add support for dma-channel-mask

2019-01-22 Thread John Stultz
On Thu, Jan 17, 2019 at 9:14 AM Manivannan Sadhasivam wrote: > > /* Skip the channels which are masked */ > if ((d->dma_channel_mask) & BIT(pch)) > continue; Per the discussion w/ Vinod and Rob, I think I'll leave this bit be, so we use the channels in the bitmask. > PS: Use BIT() macro

Re: [PATCH 5/8 v4] dma: k3dma: Add support for dma-channel-mask

2019-01-17 Thread Manivannan Sadhasivam
On Wed, Jan 16, 2019 at 09:10:26AM -0800, John Stultz wrote: > From: Li Yu > > Add dma-channel-mask as a property for k3dma, it defines > available dma channels which a non-secure mode driver can use. > > One sample usage of this is in Hi3660 SoC. DMA channel 0 is > reserved to lpm3, which is a