diff options
| author | Alan Stern <stern@rowland.harvard.edu> | 2005-04-25 11:28:04 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2005-06-27 14:43:49 -0700 |
| commit | 247f3105636caa9d1d8a4c3dfb755de42633bc80 (patch) | |
| tree | f5fca7b566ee3304d661485a11dc4877652e7904 /drivers/usb/host/ehci-hcd.c | |
| parent | 8ec8d20b21f00a36343ca0ebd6c6be9421724a1e (diff) | |
[PATCH] USB HCDs: no longer need to register root hub
This patch changes the host controller drivers; they no longer need to
register their root hubs because usbcore will take care of it for them.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/host/ehci-hcd.c')
| -rw-r--r-- | drivers/usb/host/ehci-hcd.c | 31 |
1 files changed, 0 insertions, 31 deletions
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index bc69bd7aceb..527abc693b1 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -492,8 +492,6 @@ static int ehci_start (struct usb_hcd *hcd) { struct ehci_hcd *ehci = hcd_to_ehci (hcd); u32 temp; - struct usb_device *udev; - struct usb_bus *bus; int retval; u32 hcc_params; u8 sbrn = 0; @@ -631,17 +629,6 @@ static int ehci_start (struct usb_hcd *hcd) /* set async sleep time = 10 us ... ? */ - /* wire up the root hub */ - bus = hcd_to_bus (hcd); - udev = first ? usb_alloc_dev (NULL, bus, 0) : bus->root_hub; - if (!udev) { -done2: - ehci_mem_cleanup (ehci); - return -ENOMEM; - } - udev->speed = USB_SPEED_HIGH; - udev->state = first ? USB_STATE_ATTACHED : USB_STATE_CONFIGURED; - /* * Start, enabling full USB 2.0 functionality ... usb 1.1 devices * are explicitly handed to companion controller(s), so no TT is @@ -664,24 +651,6 @@ done2: first ? "initialized" : "restarted", temp >> 8, temp & 0xff, DRIVER_VERSION); - /* - * From here on, khubd concurrently accesses the root - * hub; drivers will be talking to enumerated devices. - * (On restart paths, khubd already knows about the root - * hub and could find work as soon as we wrote FLAG_CF.) - * - * Before this point the HC was idle/ready. After, khubd - * and device drivers may start it running. - */ - if (first && usb_hcd_register_root_hub (udev, hcd) != 0) { - if (hcd->state == HC_STATE_RUNNING) - ehci_quiesce (ehci); - ehci_reset (ehci); - usb_put_dev (udev); - retval = -ENODEV; - goto done2; - } - writel (INTR_MASK, &ehci->regs->intr_enable); /* Turn On Interrupts */ if (first) |