redonkable/alistair23-linux
redonkable/alistair23-linux
1
0
Fork 0
Code Releases Activity

xhci: Store the "real" root port number.

Browse source 
Since the xHCI driver now has split USB2/USB3 roothubs, devices under each
roothub can have duplicate "fake" port numbers.  For the next set of
patches, we need to keep track of the "real" port number that the xHCI
host uses to index into the port status arrays.

Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Sarah Sharp 2011-09-02 11:05:45 -07:00 committed by Greg Kroah-Hartman
parent 750645f8a6
commit 6638175544
2 changed files with 2 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

1
drivers/usb/host/xhci-mem.c
View file

@ -922,6 +922,7 @@ int xhci_setup_addressable_virt_dev(struct xhci_hcd *xhci, struct usb_device *ud
top_dev = top_dev->parent)
/* Found device below root hub */;
dev->fake_port = top_dev->portnum;
dev->real_port = port_num;
xhci_dbg(xhci, "Set root hub portnum to %d\n", port_num);
xhci_dbg(xhci, "Set fake root hub portnum to %d\n", dev->fake_port);

1
drivers/usb/host/xhci.h
View file

@ -799,6 +799,7 @@ struct xhci_virt_device {
u32 cmd_status;
struct list_head cmd_list;
u8 fake_port;
u8 real_port;
};