[PATCH v4] usb: ehci-hcd: notify phy when connect change
    Alan Stern 
    stern at rowland.harvard.edu
       
    Thu Jun  7 00:19:59 EST 2012
    
    
  
On Wed, 6 Jun 2012, Richard Zhao wrote:
> It still has below limitations:
> - it does not work for multi-phy ehci
> - the best place is after debounce, but I can't get
>   phy there
> +			/* FIXME:
> +			 * - it does not work for multi-phy ehci
> +			 * - the best place is after debounce, but I can't get
> +			 *   phy there
> +			 */
> +			if (unlikely(ehci->transceiver &&
> +					(pstatus & PORT_CSC))) {
A new thought...  If you move the transceiver pointer from struct 
ehci_hcd to struct usb_hcd, then you _will_ be able to get at it from 
within the debouncing routine.
Or if you prefer, leave the pointer where it is and add a method to 
struct hc_driver for retrieving the pointer.
Alan Stern
    
    
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