PERFORCE change 175356 for review
Hans Petter Selasky
hselasky at FreeBSD.org
Thu Mar 4 20:52:33 UTC 2010
http://p4web.freebsd.org/chv.cgi?CH=175356
Change 175356 by hselasky at hselasky_laptop001 on 2010/03/04 20:51:47
USB CORE (LibUSB/UGEN):
- implement kernel driver detach functionality.
- patch by: HPS @
Affected files ...
.. //depot/projects/usb/src/sys/dev/usb/usb_device.c#64 edit
.. //depot/projects/usb/src/sys/dev/usb/usb_device.h#33 edit
.. //depot/projects/usb/src/sys/dev/usb/usb_generic.c#25 edit
Differences ...
==== //depot/projects/usb/src/sys/dev/usb/usb_device.c#64 (text+ko) ====
@@ -80,7 +80,6 @@
static void usb_init_endpoint(struct usb_device *, uint8_t,
struct usb_endpoint_descriptor *, struct usb_endpoint *);
static void usb_unconfigure(struct usb_device *, uint8_t);
-static void usb_detach_device(struct usb_device *, uint8_t, uint8_t);
static void usb_detach_device_sub(struct usb_device *, device_t *,
uint8_t);
static uint8_t usb_probe_and_attach_sub(struct usb_device *,
==== //depot/projects/usb/src/sys/dev/usb/usb_device.h#33 (text+ko) ====
@@ -196,6 +196,7 @@
enum usb_dev_speed speed, enum usb_hc_mode mode);
usb_error_t usb_probe_and_attach(struct usb_device *udev,
uint8_t iface_index);
+void usb_detach_device(struct usb_device *, uint8_t, uint8_t);
usb_error_t usb_reset_iface_endpoints(struct usb_device *udev,
uint8_t iface_index);
usb_error_t usbd_set_config_index(struct usb_device *udev, uint8_t index);
==== //depot/projects/usb/src/sys/dev/usb/usb_generic.c#25 (text+ko) ====
@@ -2095,17 +2095,32 @@
break;
case USB_IFACE_DRIVER_ACTIVE:
- /* TODO */
- *u.pint = 0;
+
+ n = *u.pint & 0xFF;
+
+ iface = usbd_get_iface(f->udev, n);
+
+ if (iface && iface->subdev)
+ error = 0;
+ else
+ error = ENXIO;
break;
case USB_IFACE_DRIVER_DETACH:
- /* TODO */
+
error = priv_check(curthread, PRIV_DRIVER);
- if (error) {
+
+ if (error)
+ break;
+
+ n = *u.pint & 0xFF;
+
+ if (n == USB_IFACE_INDEX_ANY) {
+ error = EINVAL;
break;
}
- error = EINVAL;
+
+ usb_detach_device(f->udev, n, 0);
break;
case USB_SET_POWER_MODE:
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