Hi Rob, On 21/11/2018 10:41:01-0600, Rob Herring wrote: > > +Optional properties in serial and SPI mode: > > +- dma bindings for dma transfer: > > + - dmas: DMA specifier, consisting of a phandle to DMA controller node, > > + memory peripheral interface and USART DMA channel ID, FIFO configuration. > > + Refer to dma.txt and atmel-dma.txt for details. > > + - dma-names: "rx" for RX channel, "tx" for TX channel. > > > + dma-names = "tx", "rx"; > > The dma-names should have a defined order. > Why is that? Isn't the purpose of names to get rid of any particular ordering? -- Alexandre Belloni, Bootlin Embedded Linux and Kernel engineering https://bootlin.com
