Rockchip USB revisited

[Michael Grunditz]

> Using the Linux kernel drivers is simply an economic decision. When
> using the latest lx_emul/lx_kit approach it tooks very few days to
> enable a new driver, and it tooks even less to update the code base,
> which is not the case with the deprecated dde_linux usb_host driver
> mentioned above. I hope you can understand this motivation.
> However, if you are strongly motivated to implement dedicated USB
> protocol stacks from scratch, I assume nobody will argue against it.


OK. I understand. It is just that I am unfamiliar with linux drivers.
I will try a bit more. The rockchip kernel fais quite early in page
table.
I think I got around that, but reverted the change.