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Add support for LOW speed BULK transfers. This mode is not recommended by the

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USB 2.0 standard, though some USB devices use it anyway.

Submitted by:	Hans Petter Selasky
This commit is contained in:
Andrew Thompson 2010-06-22 20:57:48 +00:00
parent ca9d2489c6
commit a4cadedb58
4 changed files with 4 additions and 10 deletions
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4
sys/dev/usb/controller/ehci.c
View File

@ -3792,9 +3792,7 @@ ehci_ep_init(struct usb_device *udev, struct usb_endpoint_descriptor *edesc,
}
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 */

4
sys/dev/usb/controller/ohci.c
View File

@ -2614,9 +2614,7 @@ ohci_ep_init(struct usb_device *udev, struct usb_endpoint_descriptor *edesc,
}
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 */

4
sys/dev/usb/controller/uhci.c
View File

@ -3068,9 +3068,7 @@ uhci_ep_init(struct usb_device *udev, struct usb_endpoint_descriptor *edesc,
}
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 */

2
sys/dev/usb/usb_transfer.c
View File

@ -3057,7 +3057,7 @@ usbd_get_std_packet_size(struct usb_std_packet_size *ptr,
};
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,