Commit graph

7880 commits

Author SHA1 Message Date
Randy Dunlap
a0701f0484 uwb & wusb: fix kconfig error
Fix UWB/WUSB kconfig error by changing 'select' to 'depends on'.

drivers/usb/wusbcore/Kconfig:4:error: recursive dependency detected!
drivers/usb/wusbcore/Kconfig:4:	symbol USB_WUSB is selected by USB_HWA_HCD
drivers/usb/host/Kconfig:559:	symbol USB_HWA_HCD depends on UWB
drivers/uwb/Kconfig:5:	symbol UWB is selected by USB_WUSB

Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-26 11:22:42 -08:00
Stanislaw Gruszka
b3ef051db7 USB: Realtek cr: fix autopm scheduling while atomic
Resolves:
https://bugzilla.redhat.com/show_bug.cgi?id=784345

Reported-by: Francis Moreau <francis.moro@gmail.com>
Reported-and-tested-by: Christian D <chrisudeussen@gmail.com>
Reported-and-tested-by: Jimmy Dorff <jdorff@phy.duke.edu>
Reported-and-tested-by: collura@ieee.org
Cc: stable@vger.kernel.org # 3.2+
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-26 11:22:41 -08:00
Alan Cox
2353f806c9 USB: ftdi_sio: Add more identifiers
0x04d8, 0x000a: Hornby Elite

Signed-off-by: Alan Cox <alan@linux.intel.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-26 11:22:41 -08:00
Andiry Xu
cf840551a8 xHCI: Cleanup isoc transfer ring when TD length mismatch found
When a TD length mismatch is found during isoc TRB enqueue, it directly
returns -EINVAL. However, isoc transfer is partially enqueued at this time,
and the ring should be cleared.

This should be backported to kernels as old as 2.6.36, which contain the
commit 522989a27c "xhci: Fix failed
enqueue in the middle of isoch TD."

Signed-off-by: Andiry Xu <andiry.xu@amd.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: stable@vger.kernel.org
2012-01-25 12:55:19 -08:00
Greg Kroah-Hartman
7c24814f7e Merge branch 'for-greg' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-linus
* 'for-greg' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb:
  usb: musb: omap2430: minor cleanups.
  usb: dwc3: unmap the proper number of sg entries
  usb: musb: fix shutdown while usb gadget is in use
  usb: gadget: f_mass_storage: Use "bool" instead of "int" in fsg_module_parameters
  usb: gadget: check for streams only for SS udcs
  usb: gadget: fsl_udc: fix the usage of udc->max_ep
  drivers: usb: otg: Fix dependencies for some OTG drivers
  usb: renesas: silence uninitialized variable report in usbhsg_recip_run_handle()
  usb: gadget: SS Isoc endpoints use comp_desc->bMaxBurst too
  usb: gadget: storage: endian fix
  usb: dwc3: ep0: fix compile warning
  usb: musb: davinci: fix build breakage
  usb: gadget: langwell: don't call gadget's disconnect()
  usb: gadget: langwell: drop langwell_otg support
  usb: otg: kill langwell_otg driver
  usb: dwc3: ep0: tidy up Pending Request handling
2012-01-25 07:48:44 -08:00
NeilBrown
b30b3c60a2 usb: musb: omap2430: minor cleanups.
1/ remove incorrect comment (it is a non-blocking notifier)
2/ Use correct symbolic return value for notifier
3/ Make sure otg_notifier_work is cancelled before module exit.

Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2012-01-25 10:02:46 +02:00
Alan Stern
cef9bc56e1 Dynamic ID addition doesn't need get_driver()
As part of the removal of get_driver()/put_driver(), this patch
(as1511) changes all the places that add dynamic IDs for drivers.
Since these additions are done by writing to the drivers' sysfs
attribute files, and the attributes are removed when the drivers are
unregistered, there is no reason to take an extra reference to the
drivers.

The one exception is the pci-stub driver, which calls pci_add_dynid()
as part of its registration.  But again, there's no reason to take an
extra reference here, because the driver can't be unloaded while it is
being registered.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
CC: Dmitry Torokhov <dmitry.torokhov@gmail.com>
CC: Jiri Kosina <jkosina@suse.cz>
CC: Jesse Barnes <jbarnes@virtuousgeek.org>
CC: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-24 16:00:35 -08:00
Dan Williams
074cc73506 qcaux: add more Pantech UML190 and UML290 ports
More ports we now know how to talk to.

Signed-off-by: Dan Williams <dcbw@redhat.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-24 15:47:52 -08:00
Greg Kroah-Hartman
0c8b92f7f2 Revert "drivers: usb: Fix dependency for USB_HWA_HCD"
This reverts commit 0dd2b62ada.

It causes a bunch of Kconfig errors:

drivers/usb/host/Kconfig:559:error: recursive dependency detected!
drivers/usb/host/Kconfig:559:	symbol USB_HWA_HCD depends on UWB
drivers/uwb/Kconfig:5:	symbol UWB is selected by USB_WUSB
drivers/usb/wusbcore/Kconfig:4:	symbol USB_WUSB is selected by USB_HWA_HCD

showing that this really wasn't the correct fix at all.

Cc: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-24 15:33:44 -08:00
Kelvin Cheung
f30cdbcb2e USB: Add EHCI bus glue for Loongson1x SoCs (UPDATED)
Use ehci_setup() in ehci_ls1x_reset().

The Loongson1x SoCs have a built-in EHCI controller.
This patch adds the necessary glue code to make the generic EHCI
driver usable for them.

Signed-off-by: Kelvin Cheung <keguang.zhang@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-24 15:28:02 -08:00
Anatolij Gustschin
761bbcb74e usb: ehci-fsl: set INCR8 mode for system bus interface on MPC512x
Use INCR8 mode for system bus interface of the USB controller
on MPC512x. This is a work-around for the AHB bus lock up
problem observed on MPC512x when there is heavy simultaneous
PATA write or network (FEC) activity.

See also "12.4 The USB controller can issue transactions that lock
up the AHB bus under certain conditions" in MPC5121e (M36P) Errata.

Signed-off-by: Anatolij Gustschin <agust@denx.de>
Tested-by: Matthias Fuchs <matthias.fuchs@esd.ue>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-24 15:04:01 -08:00
Geert Uytterhoeven
2053c2d1b1 usb: mv-otg - Fix build if CONFIG_USB is not set
ERROR: "usb_remove_hcd" [drivers/usb/otg/mv_otg.ko] undefined!
ERROR: "usb_add_hcd" [drivers/usb/otg/mv_otg.ko] undefined!

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
--
Inpired by drivers/usb/otg/msm_otg.c. Is this correct?

 drivers/usb/otg/mv_otg.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-24 14:58:45 -08:00
Bjørn Mork
820c629a59 USB: cdc-wdm: avoid printing odd-looking "cdc-wdm-176" names
usb_register_dev() will change our .minor_base to 0 if
CONFIG_USB_DYNAMIC_MINORS is set.  And it usually is, of
course.

Use dev_name() to print the proper interface name instead

Signed-off-by: Bjørn Mork <bjorn@mork.no>
Acked-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-24 14:46:56 -08:00
Bjørn Mork
7e3054a005 USB: cdc-wdm: Avoid hanging on interface with no USB_CDC_DMM_TYPE
The probe does not strictly require the USB_CDC_DMM_TYPE
descriptor, which is a good thing as it makes the driver
usable on non-conforming interfaces.  A user could e.g.
bind to it to a CDC ECM interface by using the new_id and
bind sysfs files.  But this would fail with a 0 buffer length
due to the missing descriptor.

Fix by defining a reasonable fallback size: The minimum
device receive buffer size required by the CDC WMC standard,
revision 1.1

Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-24 14:43:13 -08:00
Bjørn Mork
15699e6faf USB: cdc-wdm: Avoid hanging on interface with no USB_CDC_DMM_TYPE
The probe does not strictly require the USB_CDC_DMM_TYPE
descriptor, which is a good thing as it makes the driver
usable on non-conforming interfaces.  A user could e.g.
bind to it to a CDC ECM interface by using the new_id and
bind sysfs files.  But this would fail with a 0 buffer length
due to the missing descriptor.

Fix by defining a reasonable fallback size: The minimum
device receive buffer size required by the CDC WMC standard,
revision 1.1

Signed-off-by: Bjørn Mork <bjorn@mork.no>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-24 14:38:58 -08:00
Bjørn Mork
8143a8963c USB: cdc-wdm: kill the now unnecessary bMaxPacketSize0 field and udev variable
We don't need bMaxPacketSize0, and keeping all these different size fields
around will only cause us to use the wrong one.

Seems the udev variable was only used for getting bMaxPacketSize0.  We
could have used it for the usb_fill_*_urb() calls, but as it wasn't
before - why start now?  Instead make the interface_to_usbdev()
calls consistent.

Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-24 14:34:40 -08:00
Bjørn Mork
8457d99cab USB: cdc-wdm: no need to use usb_alloc_coherent
As Documentation/usb/dma.txt states:

  Most drivers should *NOT* be using these primitives; they don't need
  to use this type of memory (dma-coherent), and memory returned from
  kmalloc() will work just fine.

This driver handle only very low bandwith transfers.  It is not an
obvious candidate for usb_alloc_coherent().

Using these calls only serves to complicate the code for no gain,
as has been shown by multiple bugs related to this allocation path.

Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-24 14:34:09 -08:00
Bjørn Mork
cafbe85fb0 USB: cdc-wdm: better allocate a buffer that is at least as big as we tell the USB core
As it turns out, there was a mismatch between the allocated inbuf size
(desc->bMaxPacketSize0, typically something like 64) and the length we
specified in the URB (desc->wMaxCommand, typically something like 2048)

Signed-off-by: Bjørn Mork <bjorn@mork.no>
Cc: Oliver Neukum <oliver@neukum.org>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-24 14:33:50 -08:00
Bjørn Mork
19b85b3b87 USB: cdc-wdm: no need to fill the in request URB every time it's submitted
Filling the same URB with the exact same data is pointless.  It can be filled
once and resubmitted.  And not doing buffer allocation and URB filling at the
same place only serves to hide size mismatch bugs

Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-24 14:32:21 -08:00
Johan Hovold
0b238583ac USB: cp210x: fix debug output
Remove superfluous newlines from debug statements.
Remove unnecessary line breaks.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Cc: Preston Fick <preston.fick@silabs.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-24 14:31:04 -08:00
Huajun Li
fd7ff36d6a usb: Re-enable usb-storage support dynamic id
Enable usb-storage support dynamic id again by using a fixed id entry
that describes a device using the Bulk-Only transport with the
Transparent SCSI protocol.

Signed-off-by: Huajun Li <huajun.li.lee@gmail.com>
Reviewed-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-24 14:31:04 -08:00
Huajun Li
e73b2db6c9 usb: Disable dynamic id of USB storage subdrivers
Storage subdrivers, like alauda, datafab and others, don't support
dynamic  id currently, and it needs lots of work but with very little
gain to enable the feature, so disable them in the patch.

Signed-off-by: Huajun Li <huajun.li.lee@gmail.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-24 14:31:03 -08:00
Sebastian Andrzej Siewior
2851784f4d usb/uhci: initialize sg_table properly
Commit 689d6eac ("USB: UHCI: add native scatter-gather support(v1))
added sg support to uhci but forgot to set the sg_table so this feature
remained unused.

Cc: Ming Lei <tom.leiming@gmail.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-24 14:30:23 -08:00
Oliver Neukum
98d9a82e5f USB: cleanup the handling of the PM complete call
This eliminates the last instance of a function's behavior
controlled by a parameter as Linus hates such things.

Signed-off-by: Oliver Neukum <oneukum@suse.de>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-24 14:23:49 -08:00
Oliver Neukum
1493138af1 USB: code cleanup in suspend/resume path (3rd try)
Do the cleanup to avoid behaviorial parameters Linus
requested.

Signed-off-by: Oliver Neukum <oneukum@suse.de>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-24 14:22:42 -08:00
Alessandro Rubini
3a0bac0676 usb: add support for STA2X11 host driver
Signed-off-by: Alessandro Rubini <rubini@gnudd.com>
Acked-by: Giancarlo Asnaghi <giancarlo.asnaghi@st.com>
Cc: Alan Cox <alan@linux.intel.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-24 14:15:37 -08:00
Fabio Estevam
0dd2b62ada drivers: usb: Fix dependency for USB_HWA_HCD
Fix the following build warning:

warning: (USB_HWA_HCD) selects UWB_HWA which has unmet direct dependencies (UWB && USB)

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-24 14:15:37 -08:00
Alan Stern
194b3af4eb USB: OHCI: fix new compiler warnings
This patch (as1515) fixes some unavoidably dumb compiler warnings:

  CC [M]  drivers/usb/renesas_usbhs/mod.o
In file included from drivers/usb/host/ohci-hcd.c:101:0:
drivers/usb/host/ohci-dbg.c: In function ‘fill_registers_buffer’:
drivers/usb/host/ohci-dbg.c:656:2: warning: the comparison will always evaluate as ‘true’ for the address of ‘next’ will never be NULL [-Waddress]
drivers/usb/host/ohci-dbg.c:675:3: warning: the comparison will always evaluate as ‘true’ for the address of ‘next’ will never be NULL [-Waddress]

Instead of trying to fix the macro to work under all cirumstances,
just add a second macro for use in cases where the "next" argument is
the address of a local variable.

Unfortunately the macro cannot be replaced by a real subroutine,
because there's no va_list version of ohci_dbg() or dev_dbg().

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-24 12:24:06 -08:00
Felipe Balbi
3297f86a3d usb: serial: kobil_sct: fix compile warning:
Fix the following compile warning:

drivers/usb/serial/kobil_sct.c: In function ‘__check_debug’:
drivers/usb/serial/kobil_sct.c:719:1: warning: return from incompatible
pointer type [enabled by default]

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-24 12:23:18 -08:00
Julia Lawall
2492c6e645 drivers/usb/host/ehci-fsl.c: add missing iounmap
Add missing iounmap in error handling code, in a case where the function
already preforms iounmap on some other execution path.

A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@@
expression e;
statement S,S1;
int ret;
@@
e = \(ioremap\|ioremap_nocache\)(...)
... when != iounmap(e)
if (<+...e...+>) S
... when any
    when != iounmap(e)
*if (...)
   { ... when != iounmap(e)
     return ...; }
... when any
iounmap(e);
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-24 12:23:17 -08:00
Bjørn Mork
655e247daf USB: cdc-wdm: better allocate a buffer that is at least as big as we tell the USB core
As it turns out, there was a mismatch between the allocated inbuf size
(desc->bMaxPacketSize0, typically something like 64) and the length we
specified in the URB (desc->wMaxCommand, typically something like 2048)

Signed-off-by: Bjørn Mork <bjorn@mork.no>
Cc: Oliver Neukum <oliver@neukum.org>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-24 12:19:58 -08:00
Bjørn Mork
62aaf24dc1 USB: cdc-wdm: call wake_up_all to allow driver to shutdown on device removal
wdm_disconnect() waits for the mutex held by wdm_read() before
calling wake_up_all().  This causes a deadlock, preventing device removal
to complete.  Do the wake_up_all() before we start waiting for the locks.

Signed-off-by: Bjørn Mork <bjorn@mork.no>
Cc: Oliver Neukum <oliver@neukum.org>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-24 12:18:25 -08:00
Bjørn Mork
e8537bd2c4 USB: cdc-wdm: use two mutexes to allow simultaneous read and write
using a separate read and write mutex for locking is sufficient to make the
driver accept simultaneous read and write. This improves useability a lot.

Signed-off-by: Bjørn Mork <bjorn@mork.no>
Cc: stable <stable@vger.kernel.org>
Cc: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-24 12:17:29 -08:00
Bjørn Mork
c428b70c1e USB: cdc-wdm: updating desc->length must be protected by spin_lock
wdm_in_callback() will also touch this field, so we cannot change it without locking

Cc: stable@vger.kernel.org
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Acked-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-24 12:17:29 -08:00
Harrison Metzger
1097ccebe6 USB: usbsevseg: fix max length
This changes the max length for the usb seven segment delcom device to 8
from 6. Delcom has both 6 and 8 variants and having 8 works fine with
devices which are only 6.

Signed-off-by: Harrison Metzger <harrisonmetz@gmail.com>
Signed-off-by: Stuart Pook <stuart@acm.org>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-24 12:08:36 -08:00
Kentaro Matsuyama
e423d7401f USB: option: Add LG docomo L-02C
Add vendor and product ID for USB 3G/LTE modem of docomo L-02C

Signed-off-by: Kentaro Matsuyama <kentaro.matsuyama@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-24 12:08:35 -08:00
Eric W. Biederman
6d443d8499 usb: io_ti: Make edge_remove_sysfs_attrs the port_remove method.
Calling edge_remove_sysfs_attrs from edge_disconnect is too late
as the device has already been removed from sysfs.

Do the simple and obvious thing and make edge_remove_sysfs_attrs
the port_remove method.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Reported-by: Wolfgang Frisch <wfpub@roembden.net>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-24 12:08:35 -08:00
Greg Kroah-Hartman
52a749992c Revert "USB: usb-skeleton.c: fix open/disconnect race"
This reverts commit 26c71a79ca.

It's not needed, to quote Ming Lei:
	Looks you have queued the patch into your tree, but just now I
	find the patch is not needed at all, since we have had
	minor_rwsem(drivers/usb/core/file.c) for this purpose, please
	drop the patch, sorry for it.

Cc: Ming Lei <tom.leiming@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-24 12:02:38 -08:00
Johan Hovold
d1620ca9e7 USB: cp210x: allow more baud rates above 1Mbaud
Allow more baud rates to be set in [1M,2M] baud.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Cc: Preston Fick <preston.fick@silabs.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-24 11:58:46 -08:00
Johan Hovold
cdc32fd6f7 USB: cp210x: initialise baud rate at open
The newer cp2104 devices require the baud rate to be initialised after
power on. Make sure it is set when port is opened.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Cc: Preston Fick <preston.fick@silabs.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-24 11:58:46 -08:00
Johan Hovold
e5990874e5 USB: cp210x: clean up, refactor and document speed handling
Clean up and refactor speed handling.
Document baud rate handling for CP210{1,2,4,5,10}.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Cc: Preston Fick <preston.fick@silabs.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-24 11:57:53 -08:00
Johan Hovold
be125d9c8d USB: cp210x: do not map baud rates to B0
We do not implement B0 hangup yet so map low baudrates to 300bps.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Cc: Preston Fick <preston.fick@silabs.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-24 11:52:13 -08:00
Johan Hovold
34b76fcaee USB: cp210x: fix up set_termios variables
[Based on a patch from Johan, mangled by gregkh to keep things in line]

Fix up the variable usage in the set_termios call.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Cc: Preston Fick <preston.fick@silabs.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-24 11:49:43 -08:00
Preston Fick
7f482fc88a USB: cp210x: fix CP2104 baudrate usage
This fix changes the way baudrates are set on the CP210x devices from
Silicon Labs. The CP2101/2/3 will respond to both a GET/SET_BAUDDIV
command, and GET/SET_BAUDRATE command, while CP2104 and higher devices
only respond to GET/SET_BAUDRATE. The current cp210x.ko driver in
kernel version 3.2.0 only implements the GET/SET_BAUDDIV command.

This patch implements the two new codes for the GET/SET_BAUDRATE
commands. Then there is a change in the way that the baudrate is
assigned or retrieved. This is done according to the CP210x USB
specification in AN571. This document can be found here:
http://www.silabs.com/pages/DownloadDoc.aspx?FILEURL=Support%20Documents/TechnicalDocs/AN571.pdf&src=DocumentationWebPart

Sections 5.3/5.4 describe the USB packets for the old baudrate method.
Sections 5.5/5.6 describe the USB packets for the new method. This
patch also implements the new request scheme, and eliminates the
unnecessary baudrate calculations since it uses the "actual baudrate"
method.

This patch solves the problem reported for the CP2104 in bug 42586,
and also keeps support for all other devices (CP2101/2/3).

This patchfile is also attached to the bug report on
bugzilla.kernel.org. This patch has been developed and test on the
3.2.0 mainline kernel version under Ubuntu 10.11.

Signed-off-by: Preston Fick <preston.fick@silabs.com>
[duplicate patch also sent by Johan - gregkh]
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-24 11:45:10 -08:00
Johan Hovold
55b2afbb92 USB: cp210x: call generic open last in open
Make sure port is fully initialised before calling generic open.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-24 11:37:53 -08:00
Renato Caldas
791b7d7cf6 USB: serial: CP210x: Added USB-ID for the Link Instruments MSO-19
This device is a Oscilloscope/Logic Analizer/Pattern Generator/TDR,
using a Silabs CP2103 USB to UART Bridge.

Signed-off-by: Renato Caldas <rmsc@fe.up.pt>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-24 11:37:52 -08:00
Peter Naulls
fc216ec363 USB: serial: ftdi additional IDs
I tested this against 2.6.39 in the Ubuntu kernel, however I see the IDs
are not in latest 3.2 git.

This adds IDs for the FTDI controller in the Rainforest Automation
Zigbee dongle.

Signed-off-by: Peter Naulls <peter@chocky.org>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-24 11:22:16 -08:00
Peter Korsgaard
55f13aeae0 USB: ftdi_sio: add PID for TI XDS100v2 / BeagleBone A3
Port A for JTAG, port B for serial.

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-24 11:20:54 -08:00
Johan Hovold
108e02b129 USB: ftdi_sio: fix initial baud rate
Fix regression introduced by commit b1ffb4c851 ("USB: Fix Corruption
issue in USB ftdi driver ftdi_sio.c") which caused the termios settings
to no longer be initialised at open. Consequently it was no longer
possible to set the port to the default speed of 9600 baud without first
changing to another baud rate and back again.

Reported-by: Roland Ramthun <mail@roland-ramthun.de>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Tested-by: Roland Ramthun <mail@roland-ramthun.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-24 11:20:11 -08:00
Johan Hovold
eb833a9e09 USB: ftdi_sio: fix TIOCSSERIAL baud_base handling
Return EINVAL if new baud_base does not match the current one.

The baud_base is device specific and can not be changed. This restores
the old (pre-2005) behaviour which was changed due to a
misunderstanding regarding this fact (see
https://lkml.org/lkml/2005/1/20/84).

Reported-by: Torbjörn Lofterud <torbjorn@pi.nxs.se>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-24 11:20:10 -08:00