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usb: Store bus type in usb_hcd, not in driver flags.

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The xHCI driver essentially has both a USB 2.0 and a USB 3.0 roothub.  So
setting the HCD_USB3 bits in the hcd->driver->flags is a bit misleading.
Add a new field to usb_hcd, bcdUSB.  Store the result of
hcd->driver->flags & HCD_MASK in it.  Later, when we have the xHCI driver
register the two roothubs, we'll set the usb_hcd->bcdUSB field to HCD_USB2
for the USB 2.0 roothub, and HCD_USB3 for the USB 3.0 roothub.

Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
This commit is contained in:
Sarah Sharp
2010-12-02 14:45:18 -08:00
parent d673bfcbff
commit 83de4b2b90
2 changed files with 8 additions and 3 deletions
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4
include/linux/usb/hcd.h
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@@ -76,6 +76,10 @@ struct usb_hcd {
struct kref kref; /* reference counter */
const char *product_desc; /* product/vendor string */
int speed; /* Speed for this roothub.
* May be different from
* hcd->driver->flags & HCD_MASK
*/
char irq_descr[24]; /* driver + bus # */
struct timer_list rh_timer; /* drives root-hub polling */