On Tue, Mar 19, 2024 at 10:32 AM Keguang Zhang <keguang.zhang@xxxxxxxxx> wrote: > > On Mon, Mar 18, 2024 at 11:42 PM Conor Dooley <conor@xxxxxxxxxx> wrote: > > > > On Mon, Mar 18, 2024 at 10:26:51PM +0800, Huacai Chen wrote: > > > Hi, Conor, > > > > > > On Mon, Mar 18, 2024 at 7:28 PM Conor Dooley <conor@xxxxxxxxxx> wrote: > > > > > > > > On Mon, Mar 18, 2024 at 03:31:59PM +0800, Huacai Chen wrote: > > > > > On Mon, Mar 18, 2024 at 10:08 AM Keguang Zhang <keguang.zhang@xxxxxxxxx> wrote: > > > > > > > > > > > > Hi Huacai, > > > > > > > > > > > > > Hi, Keguang, > > > > > > > > > > > > > > Sorry for the late reply, there is already a ls2x-apb-dma driver, I'm > > > > > > > not sure but can they share the same code base? If not, can rename > > > > > > > this driver to ls1x-apb-dma for consistency? > > > > > > > > > > > > There are some differences between ls1x DMA and ls2x DMA, such as > > > > > > registers and DMA descriptors. > > > > > > I will rename it to ls1x-apb-dma. > > > > > OK, please also rename the yaml file to keep consistency. > > > > > > > > No, the yaml file needs to match the (one of the) compatible strings. > > > OK, then I think we can also rename the compatible strings, if possible. > > > > If there are no other types of dma controller on this device, I do not > > see why would we add "apb" into the compatible as there is nothing to > > differentiate this controller from. > > That's true. 1A/1B/1C only have one APB DMA. > Should I keep the compatible "ls1b-dma" and "ls1c-dma"? The name "apbdma" comes from the user manual, "exchange data between memory and apb devices", at present there are two drivers using this naming: tegra20-apb-dma.c and ls2x-apb-dma.c. Huacai > > -- > Best regards, > > Keguang Zhang