[uslcom][patch] Add GPIO support

[Hans Petter Selasky]

On Friday 11 November 2011 22:06:19 JD Louw wrote:
> This patch adds custom IOCTLs to read and write the 4 GPIO pins on the
> cp2103 usb-to-serial chip. Time from IOCTL to actual pin change is
> pretty slow though.

Hi,

How slow is it?

Have you tried reducing the interval of the intervalled control request and 
see if there are any changes? Maybe the intervalled control request should be 
started from a timer/callout instead.

--HPS