On Thu, Feb 16, 2012 at 09:39:15PM +1100, Benjamin Herrenschmidt wrote:

On Thu, 2012-02-16 at 18:02 +0800, Shengzhou Liu wrote:

quoted

If USB UTMI PHY is not enable, writing to portsc register will lead to
kernel hang during boot up.

Thanks, I'll try that tomorrow.

Greg, you're picking that up or should I ?

I can, if you let me know that this fixes your problem :)

thanks,

greg k-h