diff options
Diffstat (limited to 'sys/dev/usb/uhcireg.h')
-rw-r--r-- | sys/dev/usb/uhcireg.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/sys/dev/usb/uhcireg.h b/sys/dev/usb/uhcireg.h index ab3c9e7..c8c5479 100644 --- a/sys/dev/usb/uhcireg.h +++ b/sys/dev/usb/uhcireg.h @@ -1,4 +1,4 @@ -/* $NetBSD: usb/uhcireg.h,v 1.12 2000/07/23 19:43:38 augustss Exp $ */ +/* $NetBSD: usb/uhcireg.h,v 1.13 2000/08/13 18:20:15 augustss Exp $ */ /* $FreeBSD$ */ /* @@ -121,6 +121,12 @@ typedef u_int32_t uhci_physaddr_t; #define UHCI_PTR_QH 0x00000002 #define UHCI_PTR_VF 0x00000004 +/* + * Wait this long after a QH has been removed. This gives that HC a + * chance to stop looking at it before it's recycled. + */ +#define UHCI_QH_REMOVE_DELAY 5 + /* * The Queue Heads and Transfer Descriptors are accessed * by both the CPU and the USB controller which run |