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freebsd-skq/sys/dev/usb
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Bill Paul 3229c9302a When opening a pipe, usbd_setup_pipe() will do a usbd_clear_endpoint_stall() 
to make sure the pipe is ready. Some devices apparently don't support
the clear stall command however. So what happens when you issue such
devices a clear stall command? Typically, the command just times out.
This, at least, is the behavior I've observed with two devices that
I own: a Rio600 mp3 player and a T-Mobile Sidekick II.

It used to be that after the timeout expired, the pipe open operation
would conclude and you could still access the device, with the only
negative effect being a long delay on open. But in the recent past,
someone added code to make the timeout a fatal error, thereby breaking
the ability to communicate with these devices in any way.

I don't know exactly what the right solution is for this problem:
presumeably there is some way to determine whether or not a device
supports the 'clear stall' command beyond just issuing one and waiting
to see if it times out, but I don't know what that is. So for now,
I've added a special case to the error checking code so that the
timeout is once again non-fatal, thereby letting me use my two
devices again.
2004-09-29 18:12:33 +00:00
..
dsbr100io.h
ehci_pci.c Make the USB subsystem unloadable and detachable, though currently 2004-08-02 15:37:35 +00:00
ehci.c Make the USB subsystem unloadable and detachable, though currently 2004-08-02 15:37:35 +00:00
ehcireg.h Attempt to follow the correct procedure for synchronising with the 2004-08-02 12:56:01 +00:00
ehcivar.h Make the USB subsystem unloadable and detachable, though currently 2004-08-02 15:37:35 +00:00
FILES
hid.c Use __FBSDID(). 2003-08-24 17:55:58 +00:00
hid.h WARNING: white space diff 2003-07-04 01:50:39 +00:00
if_aue.c Mark USB ethernet devices as IFF_NEEDSGIANT, since the USB framework 2004-08-11 03:38:55 +00:00
if_auereg.h Replace the static "qdat" structure with a per-instance softc field 2004-05-23 12:35:25 +00:00
if_axe.c Add Sitecom's LN-029 USB 2.0 Ethernet adapter. 2004-09-18 19:48:10 +00:00
if_axereg.h Replace the static "qdat" structure with a per-instance softc field 2004-05-23 12:35:25 +00:00
if_cue.c Mark USB ethernet devices as IFF_NEEDSGIANT, since the USB framework 2004-08-11 03:38:55 +00:00
if_cuereg.h Replace the static "qdat" structure with a per-instance softc field 2004-05-23 12:35:25 +00:00
if_kue.c Mark USB ethernet devices as IFF_NEEDSGIANT, since the USB framework 2004-08-11 03:38:55 +00:00
if_kuereg.h Replace the static "qdat" structure with a per-instance softc field 2004-05-23 12:35:25 +00:00
if_rue.c Mark USB ethernet devices as IFF_NEEDSGIANT, since the USB framework 2004-08-11 03:38:55 +00:00
if_ruereg.h Replace the static "qdat" structure with a per-instance softc field 2004-05-23 12:35:25 +00:00
if_udav.c Mark USB ethernet devices as IFF_NEEDSGIANT, since the USB framework 2004-08-11 03:38:55 +00:00
if_udavreg.h Replace the static "qdat" structure with a per-instance softc field 2004-05-23 12:35:25 +00:00
kue_fw.h
ohci_pci.c Make the USB subsystem unloadable and detachable, though currently 2004-08-02 15:37:35 +00:00
ohci.c Make the USB subsystem unloadable and detachable, though currently 2004-08-02 15:37:35 +00:00
ohcireg.h Remove "Scheduling overrun" interrupts from the set of normal interrupts 2004-05-06 09:21:05 +00:00
ohcivar.h Make the USB subsystem unloadable and detachable, though currently 2004-08-02 15:37:35 +00:00
rio500_usb.h
ubsa.c MFp4: First batch of dev/usb/usbdevs.h -> usbdevs.h changes. 2004-06-27 12:41:44 +00:00
ubser.c Use ttyalloc() instead of ttymalloc(NULL) 2004-09-17 07:28:07 +00:00
ubser.h add driver for BWCT console management serials 2004-03-01 02:34:49 +00:00
ucom.c Use generic infrastructure for the ucom driver instead of local stuff. 2004-09-28 20:23:49 +00:00
ucomvar.h Use generic infrastructure for the ucom driver instead of local stuff. 2004-09-28 20:23:49 +00:00
ucycom.c Use %zu to format size_t. 2004-09-05 12:33:15 +00:00
udbp.c Tweak the compatibility macros a little so that the device printing is 2004-08-15 23:39:18 +00:00
udbp.h WARNING: white space diff 2003-07-04 01:50:39 +00:00
ufm.c Tweak the compatibility macros a little so that the device printing is 2004-08-15 23:39:18 +00:00
uftdi.c Add support to the uftdi driver for Intrepid Control Systems' vehicle 2004-07-01 17:16:20 +00:00
uftdireg.h Add support to the uftdi driver for Intrepid Control Systems' vehicle 2004-07-01 17:16:20 +00:00
ugen.c Fix minor indentation/formatting nit. (No code changes.) 2004-09-29 15:46:37 +00:00
ugraphire_rdesc.h
uhci_pci.c Make the USB subsystem unloadable and detachable, though currently 2004-08-02 15:37:35 +00:00
uhci.c Reinstate a usb_transfer_complete() call that got lost in the 2004-08-02 20:53:31 +00:00
uhcireg.h WARNING: white space diff 2003-07-04 01:50:39 +00:00
uhcivar.h Make the USB subsystem unloadable and detachable, though currently 2004-08-02 15:37:35 +00:00
uhid.c Tweak the compatibility macros a little so that the device printing is 2004-08-15 23:39:18 +00:00
uhub.c We don't need a uhub_child_detached() routine now that we don't detach 2004-09-09 20:43:49 +00:00
ukbd.c Tweak the compatibility macros a little so that the device printing is 2004-08-15 23:39:18 +00:00
ulpt.c Tweak the compatibility macros a little so that the device printing is 2004-08-15 23:39:18 +00:00
umass.c Add support Western Digital External USB HDD 2004-09-04 07:07:35 +00:00
umct.c Add support for Belkin F5U409 serial-usb adapter 2004-08-07 23:45:04 +00:00
umodem.c Overhaul ucom serial driver by using generic stuff instead of homerolled 2004-09-17 11:53:45 +00:00
ums.c Tweak the compatibility macros a little so that the device printing is 2004-08-15 23:39:18 +00:00
uplcom.c Overhaul ucom serial driver by using generic stuff instead of homerolled 2004-09-17 11:53:45 +00:00
urio.c Tweak the compatibility macros a little so that the device printing is 2004-08-15 23:39:18 +00:00
usb_ethersubr.c Remove duplicate 2003-11-14 11:09:45 +00:00
usb_ethersubr.h
usb_if.m
usb_mem.c When searching for a suitable block of memory on the free list, 2004-08-02 13:59:02 +00:00
usb_mem.h eliminate casts from the DMAADDR macro. This depends upon bus_addr_t being 2003-09-01 01:07:24 +00:00
usb_port.h detach before ivar delete. 2004-09-26 05:51:43 +00:00
usb_quirks.c Add support Qualcomm CDMA modem 2004-09-03 23:19:27 +00:00
usb_quirks.h
usb_subr.c When opening a pipe, usbd_setup_pipe() will do a usbd_clear_endpoint_stall() 2004-09-29 18:12:33 +00:00
usb.c Make the USB subsystem unloadable and detachable, though currently 2004-08-02 15:37:35 +00:00
usb.h
usbcdc.h
usbdevs add '/* Panasonic products */' line(I removed it) 2004-09-20 04:56:13 +00:00
usbdi_util.c Add missing <sys/module.h> includes 2004-05-30 20:08:47 +00:00
usbdi_util.h MFNetBSD. 2004-06-26 10:35:10 +00:00
usbdi.c Fix two cases where a successful return from usbd_transfer() would 2004-08-29 02:35:59 +00:00
usbdi.h Tweak the compatibility macros a little so that the device printing is 2004-08-15 23:39:18 +00:00
usbdivar.h Add pnpinfo and location information to uhub. We also keep track of 2004-06-30 02:56:24 +00:00
usbhid.h
uscanner.c Add support Nikon CoolScan LS40 ED 2004-09-03 23:29:01 +00:00
uvisor.c MFp4: First batch of dev/usb/usbdevs.h -> usbdevs.h changes. 2004-06-27 12:41:44 +00:00
uvscom.c Overhaul ucom serial driver by using generic stuff instead of homerolled 2004-09-17 11:53:45 +00:00