diff options
Diffstat (limited to 'drivers/usb/core/hcd.c')
| -rw-r--r-- | drivers/usb/core/hcd.c | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index 77a7faec8d7..8669ba3fe79 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -337,6 +337,17 @@ static const u8 ss_rh_config_descriptor[] = { 0x02, 0x00 /* __le16 ss_wBytesPerInterval; 15 bits for max 15 ports */ }; +/* authorized_default behaviour: + * -1 is authorized for all devices except wireless (old behaviour) + * 0 is unauthorized for all devices + * 1 is authorized for all devices + */ +static int authorized_default = -1; +module_param(authorized_default, int, S_IRUGO|S_IWUSR); +MODULE_PARM_DESC(authorized_default, + "Default USB device authorization: 0 is not authorized, 1 is " + "authorized, -1 is authorized except for wireless USB (default, " + "old behaviour"); /*-------------------------------------------------------------------------*/ /** @@ -986,7 +997,7 @@ static int register_root_hub(struct usb_hcd *hcd) spin_unlock_irq (&hcd_root_hub_lock); /* Did the HC die before the root hub was registered? */ - if (HCD_DEAD(hcd) || hcd->state == HC_STATE_HALT) + if (HCD_DEAD(hcd)) usb_hc_died (hcd); /* This time clean up */ } @@ -2128,9 +2139,6 @@ irqreturn_t usb_hcd_irq (int irq, void *__hcd) set_bit(HCD_FLAG_SAW_IRQ, &hcd->flags); if (hcd->shared_hcd) set_bit(HCD_FLAG_SAW_IRQ, &hcd->shared_hcd->flags); - - if (unlikely(hcd->state == HC_STATE_HALT)) - usb_hc_died(hcd); rc = IRQ_HANDLED; } @@ -2374,7 +2382,11 @@ int usb_add_hcd(struct usb_hcd *hcd, dev_info(hcd->self.controller, "%s\n", hcd->product_desc); - hcd->authorized_default = hcd->wireless? 0 : 1; + /* Keep old behaviour if authorized_default is not in [0, 1]. */ + if (authorized_default < 0 || authorized_default > 1) + hcd->authorized_default = hcd->wireless? 0 : 1; + else + hcd->authorized_default = authorized_default; set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); /* HC is in reset state, but accessible. Now do the one-time init, @@ -2407,6 +2419,7 @@ int usb_add_hcd(struct usb_hcd *hcd, rhdev->speed = USB_SPEED_SUPER; break; default: + retval = -EINVAL; goto err_set_rh_speed; } |