On 04/12/2016 08:48 AM, Sebastian Andrzej Siewior wrote: > On 04/10/2016 07:14 AM, Peter Hurley wrote: >> Hi Greg, et. al. > > Hi Peter, > >> This series aims to keep 8250 dma and the omap8250 variant from >> diverging further, in the hopes that at some point the implementations >> will converge. > > I've been told that omap's implementation is too different and I should > stay out of the common code. I know, but I don't completely agree. > Nice to see that that will be brought together as far as possible. I think more can be done. >> A similar check is added for the tx chanenl. Soon I expect to add pause >> check to tx channel as well, as I believe it will be required to >> implement XON/XOFF transmit *which is completely missing* - with dma >> enabled the x_char is never transmitted. > > Sending XON/XOFF after TX completed would also be away. Pausing the > transfer will lower the chance of an overrun. This requirement can't be > fulfilled by OMAP-DMA, right? Honestly, for me it's whatever way ends up being the intersection of effective and clean and minimal. -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
