Hi, Arnd
On 2016年09月07日 22:50, Arnd Bergmann wrote: > On Wednesday, September 7, 2016 9:33:52 PM CEST Zhichang Yuan wrote: >> From: "zhichang.yuan" <yuanzhich...@hisilicon.com> >> >> On Hip06 platform, a 16550 compatible UART is connected to low-pin-count and >> controlled through the LPC I/O cycles. This patch drives the UART port with >> the specific serial in/out function pair based on the indirect-IO mechanism >> introduced by Hip06 LPC driver. >> >> Signed-off-by: zhichang.yuan <yuanzhich...@hisilicon.com> > > Any reason this cannot just use the regular drivers/tty/serial/8250/8250_of.c > driver? I think two reasons for that: 1. 8250_of.c is only for devicetree, but we need to support ACPI device too; 2. It seems UPIO_PORT is not supported there. Best, Zhichang > > Arnd >
