Author: thompsa
Date: Tue Jun 22 20:57:48 2010
New Revision: 209443
URL: http://svn.freebsd.org/changeset/base/209443
Log:
Add support for LOW speed BULK transfers. This mode is not recommended by the
USB 2.0 standard, though some USB devices use it anyway.
Submitted by: Hans Petter Selasky
Modified:
head/sys/dev/usb/controller/ehci.c
head/sys/dev/usb/controller/ohci.c
head/sys/dev/usb/controller/uhci.c
head/sys/dev/usb/usb_transfer.c
Modified: head/sys/dev/usb/controller/ehci.c
==============================================================================
--- head/sys/dev/usb/controller/ehci.c Tue Jun 22 20:52:35 2010
(r209442)
+++ head/sys/dev/usb/controller/ehci.c Tue Jun 22 20:57:48 2010
(r209443)
@@ -3792,9 +3792,7 @@ ehci_ep_init(struct usb_device *udev, st
}
break;
case UE_BULK:
- if (udev->speed != USB_SPEED_LOW) {
- ep->methods = &ehci_device_bulk_methods;
- }
+ ep->methods = &ehci_device_bulk_methods;
break;
default:
/* do nothing */
Modified: head/sys/dev/usb/controller/ohci.c
==============================================================================
--- head/sys/dev/usb/controller/ohci.c Tue Jun 22 20:52:35 2010
(r209442)
+++ head/sys/dev/usb/controller/ohci.c Tue Jun 22 20:57:48 2010
(r209443)
@@ -2614,9 +2614,7 @@ ohci_ep_init(struct usb_device *udev, st
}
break;
case UE_BULK:
- if (udev->speed != USB_SPEED_LOW) {
- ep->methods = &ohci_device_bulk_methods;
- }
+ ep->methods = &ohci_device_bulk_methods;
break;
default:
/* do nothing */
Modified: head/sys/dev/usb/controller/uhci.c
==============================================================================
--- head/sys/dev/usb/controller/uhci.c Tue Jun 22 20:52:35 2010
(r209442)
+++ head/sys/dev/usb/controller/uhci.c Tue Jun 22 20:57:48 2010
(r209443)
@@ -3068,9 +3068,7 @@ uhci_ep_init(struct usb_device *udev, st
}
break;
case UE_BULK:
- if (udev->speed != USB_SPEED_LOW) {
- ep->methods = &uhci_device_bulk_methods;
- }
+ ep->methods = &uhci_device_bulk_methods;
break;
default:
/* do nothing */
Modified: head/sys/dev/usb/usb_transfer.c
==============================================================================
--- head/sys/dev/usb/usb_transfer.c Tue Jun 22 20:52:35 2010
(r209442)
+++ head/sys/dev/usb/usb_transfer.c Tue Jun 22 20:57:48 2010
(r209443)
@@ -3057,7 +3057,7 @@ usbd_get_std_packet_size(struct usb_std_
};
static const uint16_t bulk_min[USB_SPEED_MAX] = {
- [USB_SPEED_LOW] = 0, /* not supported */
+ [USB_SPEED_LOW] = 8,
[USB_SPEED_FULL] = 8,
[USB_SPEED_HIGH] = 512,
[USB_SPEED_VARIABLE] = 512,
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