On Friday 28 October 2011 17:08:18 Gustau Pérez wrote:
> >> Do you want the patch? I can generate it in a second if you wish.
> >
> > Yes, please do.
>
> This one applies over both current and 9.0RC1.
>
> Gus
Hi Pawel and Gustau,
Can you both clean out your own patches and try the attached one?
--HPS
=== sys/dev/usb/usb_device.c
==================================================================
--- sys/dev/usb/usb_device.c (revision 226805)
+++ sys/dev/usb/usb_device.c (local)
@@ -1851,7 +1851,8 @@
}
}
if (set_config_failed == 0 && config_index == 0 &&
- usb_test_quirk(&uaa, UQ_MSC_NO_SYNC_CACHE) == 0) {
+ usb_test_quirk(&uaa, UQ_MSC_NO_SYNC_CACHE) == 0 &&
+ usb_test_quirk(&uaa, UQ_MSC_NO_GETMAXLUN) == 0) {
/*
* Try to figure out if there are any MSC quirks we
=== sys/dev/usb/usb_msctest.c
==================================================================
--- sys/dev/usb/usb_msctest.c (revision 226805)
+++ sys/dev/usb/usb_msctest.c (local)
@@ -603,6 +603,29 @@
return (is_cdrom);
}
+static uint8_t
+usb_msc_get_max_lun(struct usb_device *udev, uint8_t iface_index)
+{
+ struct usb_device_request req;
+ usb_error_t err;
+ uint8_t buf = 0;
+
+
+ /* The Get Max Lun command is a class-specific request. */
+ req.bmRequestType = UT_READ_CLASS_INTERFACE;
+ req.bRequest = 0xFE; /* GET_MAX_LUN */
+ USETW(req.wValue, 0);
+ req.wIndex[0] = iface_index;
+ req.wIndex[1] = 0;
+ USETW(req.wLength, 1);
+
+ err = usbd_do_request(udev, NULL, &req, &buf);
+ if (err)
+ buf = 0;
+
+ return (buf);
+}
+
usb_error_t
usb_msc_auto_quirk(struct usb_device *udev, uint8_t iface_index)
{
@@ -622,6 +645,11 @@
*/
usb_pause_mtx(NULL, hz);
+ if (usb_msc_get_max_lun(udev, iface_index) == 0) {
+ DPRINTF("Device has only got one LUN.\n");
+ usbd_add_dynamic_quirk(udev, UQ_MSC_NO_GETMAXLUN);
+ }
+
is_no_direct = 1;
for (timeout = 4; timeout; timeout--) {
err = bbb_command_start(sc, DIR_IN, 0, sc->buffer,
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