d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

It appears that some UVISOR devices do not handle when the clear stall command

Browse Source 
is issued at the beginning of the initial IN/OUT data transfers.  Reason
unknown, probably firmware fault. Now the stall is only cleared on data
transfer errors.

PR:		usb/144199
Submitted by:	Hans Petter Selasky
This commit is contained in:
Andrew Thompson 2010-03-11 21:46:33 +00:00
parent 9a8e0122d2
commit 8366b369e4
1 changed files with 0 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
sys/dev/usb/serial/uvisor.c
View File

@ -338,11 +338,6 @@ uvisor_attach(device_t dev)
DPRINTF("could not allocate all pipes\n");
goto detach;
}
/* clear stall at first run */
mtx_lock(&sc->sc_mtx);
usbd_xfer_set_stall(sc->sc_xfer[UVISOR_BULK_DT_WR]);
usbd_xfer_set_stall(sc->sc_xfer[UVISOR_BULK_DT_RD]);
mtx_unlock(&sc->sc_mtx);
error = ucom_attach(&sc->sc_super_ucom, &sc->sc_ucom, 1, sc,
&uvisor_callback, &sc->sc_mtx);