On Thu, Nov 16, 2017 at 03:46:09PM +0800, Ji-Ze Hong (Peter Hong) wrote:
> The F81532/534 can be disable port by manufacturer with
> following H/W design.
> 1: Connect DCD/DSR/CTS/RI pin to ground.
> 2: Connect RX pin to ground.
>
> In driver, we'll implements some detect method likes
The F81532/534 can be disable port by manufacturer with
following H/W design.
1: Connect DCD/DSR/CTS/RI pin to ground.
2: Connect RX pin to ground.
In driver, we'll implements some detect method likes following:
1: Read MSR.
2: Turn MCR LOOP bit on, off and read LSR after delay
