On Mon, Dec 13, 2021 at 03:10:07PM +0800, Hammer Hsieh wrote: > Add Sunplus SoC UART Driver Why is this a new driver? It looks like a 8250 variant UART, right? So why can't you just use that framework instead? What is different about this hardware that requires a new serial driver at all? Please explain the hardware here in the changelog text to justify why this is needed at all. thanks, greg k-h