Now that all usb-serial modules are only using dev_dbg()
the debug module parameter does not do anything at all, so
remove it to reduce any confusion if someone were to try to
use it.
CC: Johan Hovold <jhovold@gmail.com>
CC: Alan Stern <stern@rowland.harvard.edu>
CC: Wang YanQing <Udknight@gmail.com>
CC: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Now that all usb-serial modules are only using dev_dbg()
the debug module parameter does not do anything at all, so
remove it to reduce any confusion if someone were to try to
use it.
CC: Johan Hovold <jhovold@gmail.com>
CC: Rusty Russell <rusty@rustcorp.com.au>
CC: Alan Stern <stern@rowland.harvard.edu>
CC: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Now that all usb-serial modules are only using dev_dbg()
the debug module parameter does not do anything at all, so
remove it to reduce any confusion if someone were to try to
use it.
CC: Johan Hovold <jhovold@gmail.com>
CC: Rusty Russell <rusty@rustcorp.com.au>
CC: Alan Stern <stern@rowland.harvard.edu>
CC: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Now that all usb-serial modules are only using dev_dbg()
the debug module parameter does not do anything at all, so
remove it to reduce any confusion if someone were to try to
use it.
CC: Rusty Russell <rusty@rustcorp.com.au>
CC: Alan Stern <stern@rowland.harvard.edu>
CC: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Now that all usb-serial modules are only using dev_dbg()
the debug module parameter does not do anything at all, so
remove it to reduce any confusion if someone were to try to
use it.
CC: Johan Hovold <jhovold@gmail.com>
CC: Mark Ferrell <mferrell@uplogix.com>
CC: Donald Lee <donald@asix.com.tw>
CC: Tony Zelenoff <antonz@parallels.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Now that all usb-serial modules are only using dev_dbg()
the debug module parameter does not do anything at all, so
remove it to reduce any confusion if someone were to try to
use it.
CC: Johan Hovold <jhovold@gmail.com>
CC: Rusty Russell <rusty@rustcorp.com.au>
CC: Alan Stern <stern@rowland.harvard.edu>
CC: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Now that all usb-serial modules are only using dev_dbg()
the debug module parameter does not do anything at all, so
remove it to reduce any confusion if someone were to try to
use it.
CC: Johan Hovold <jhovold@gmail.com>
CC: Rusty Russell <rusty@rustcorp.com.au>
CC: Alan Stern <stern@rowland.harvard.edu>
CC: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Now that all usb-serial modules are only using dev_dbg()
the debug module parameter does not do anything at all, so
remove it to reduce any confusion if someone were to try to
use it.
CC: Johan Hovold <jhovold@gmail.com>
CC: Alan Stern <stern@rowland.harvard.edu>
CC: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Now that all usb-serial modules are only using dev_dbg()
the debug module parameter does not do anything at all, so
remove it to reduce any confusion if someone were to try to
use it.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Now that all usb-serial modules are only using dev_dbg()
the debug module parameter does not do anything at all, so
remove it to reduce any confusion if someone were to try to
use it.
CC: Rusty Russell <rusty@rustcorp.com.au>
CC: Johan Hovold <jhovold@gmail.com>
CC: Alan Stern <stern@rowland.harvard.edu>
CC: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Now that all usb-serial modules are only using dev_dbg()
the debug module parameter does not do anything at all, so
remove it to reduce any confusion if someone were to try to
use it.
CC: Johan Hovold <jhovold@gmail.com>
CC: "Eric W. Biederman" <ebiederm@xmission.com>
CC: Rusty Russell <rusty@rustcorp.com.au>
CC: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Now that all usb-serial modules are only using dev_dbg()
the debug module parameter does not do anything at all, so
remove it to reduce any confusion if someone were to try to
use it.
CC: Johan Hovold <jhovold@gmail.com>
CC: Rusty Russell <rusty@rustcorp.com.au>
CC: Alan Stern <stern@rowland.harvard.edu>
CC: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Now that all usb-serial modules are only using dev_dbg()
the debug module parameter does not do anything at all, so
remove it to reduce any confusion if someone were to try to
use it.
CC: Johan Hovold <jhovold@gmail.com>
CC: Rusty Russell <rusty@rustcorp.com.au>
CC: Alan Stern <stern@rowland.harvard.edu>
CC: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Now that all usb-serial modules are only using dev_dbg()
the debug module parameter does not do anything at all, so
remove it to reduce any confusion if someone were to try to
use it.
CC: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Now that all usb-serial modules are only using dev_dbg()
the debug module parameter does not do anything at all, so
remove it to reduce any confusion if someone were to try to
use it.
CC: Lonnie Mendez <dignome@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Now that all usb-serial modules are only using dev_dbg()
the debug module parameter does not do anything at all, so
remove it to reduce any confusion if someone were to try to
use it.
CC: Matthias Bruestle and Harald Welte <support@reiner-sct.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Now that all usb-serial modules are only using dev_dbg()
the debug module parameter does not do anything at all, so
remove it to reduce any confusion if someone were to try to
use it.
CC: Johan Hovold <jhovold@gmail.com>
CC: Alan Stern <stern@rowland.harvard.edu>
CC: Rusty Russell <rusty@rustcorp.com.au>
CC: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Now that all usb-serial modules are only using dev_dbg()
the debug module parameter does not do anything at all, so
remove it to reduce any confusion if someone were to try to
use it.
CC: William Greathouse <wgreathouse@smva.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Now that all usb-serial modules are only using dev_dbg()
the debug module parameter does not do anything at all, so
remove it to reduce any confusion if someone were to try to
use it.
CC: Rusty Russell <rusty@rustcorp.com.au>
CC: Alan Stern <stern@rowland.harvard.edu>
CC: Mauro Carvalho Chehab <mchehab@redhat.com>
CC: Bart Hartgers <bart.hartgers@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
We should use dev_dbg() for usb_serial_debug_data() like all of the rest
of the usb-serial drivers use, so remove the debug parameter as it's not
needed.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
dbg() was a very old USB-serial-specific macro.
This patch removes it from being used in the
driver and uses dev_dbg() instead.
Cc: Johan Hovold <jhovold@gmail.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
As discussed at the kernel summit this year, CONFIG_EXPERIMENTAL means
nothing, so let's get rid of it.
Acked-by: Felipe Balbi <balbi@ti.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: David Herrmann <dh.herrmann@googlemail.com>
Cc: Hauke Mehrtens <hauke@hauke-m.de>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Neil Zhang <zhangwm@marvell.com>
Cc: Randy Dunlap <rdunlap@xenotime.net>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Here's a driver for the Vizzini USB to serial device.
It looks to be copied from cdc-acm, and probably can be cleaned up a lot
more. Also, there's some odd "try to grab another interface" that is
probably wrong. And, if this really is a cdc-acm device, it probably
should just be a quirk of the cdc-acm device, but I can't figure that
out, and people have been using this driver for a long time now. So
merge it to let people use their hardware and clean it up over time.
Driver written by Rob Duncan but cleaned up and forward ported to the
latest kernel tree by me.
Cc: Rob Duncan <rob.duncan@exar.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Every fabric driver has to supply a se_tfo->set_fabric_sense_len()
method, just so iSCSI can return an offset of 2. However, every fabric
driver is already allocating a sense buffer and passing it into the
target core, either via transport_init_se_cmd() or target_submit_cmd().
So instead of having iSCSI pass the start of its sense buffer into the
core and then later tell the core to skip the first 2 bytes, it seems
easier for iSCSI just to do the offset of 2 when it passes the sense
buffer into the core. Then we can drop the se_tfo->set_fabric_sense_len()
everywhere, and just add a couple of lines of code to iSCSI to set the
sense data length to the beginning of the buffer right before it sends
it over the network.
(nab: Remove .set_fabric_sense_len usage from tcm_qla2xxx_npiv_ops +
change transport_get_sense_buffer to follow v3.6-rc6 code w/o
->set_fabric_sense_len usage)
Signed-off-by: Roland Dreier <roland@purestorage.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
There are no callers of se_tfo->get_fabric_sense_len(), so we should
stop having every fabric driver implement it.
Signed-off-by: Roland Dreier <roland@purestorage.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
retval is 0, and carefully assigned - and tested as non zero.
This is not useful. While we are at it remove some other bogus initialisation
in the function
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This resolves the merge problems with:
drivers/usb/dwc3/gadget.c
drivers/usb/musb/tusb6010.c
that had been seen in linux-next.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This part of the tty tree (unfortunately with all the preceding patches
as well) is a dependency for some of the OMAP cleanups, so we've pulled
it in as a dependency based on agreement with Greg.
Signed-off-by: Olof Johansson <olof@lixom.net>
dbg() was a very old USB-serial-specific macro.
This patch removes it from being used in the
driver and uses dev_dbg() instead.
CC: Johan Hovold <jhovold@gmail.com>
CC: "Eric W. Biederman" <ebiederm@xmission.com>
CC: Rusty Russell <rusty@rustcorp.com.au>
CC: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
I accidentally caused some compiler warnings, that were correct in
pointing out problems, so fix them up now.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
dbg() was a very old USB-serial-specific macro.
This patch removes it from being used in the keyspan
driver and uses dev_dbg() instead.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
dbg() was a very old USB-serial-specific macro.
This patch removes it from being used in the
driver and uses dev_dbg() instead.
CC: Johan Hovold <jhovold@gmail.com>
CC: Mark Ferrell <mferrell@uplogix.com>
CC: Donald Lee <donald@asix.com.tw>
CC: Tony Zelenoff <antonz@parallels.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
dbg() was a very old USB-serial-specific macro.
This patch removes it from being used in the
driver and uses dev_dbg() instead.
CC: Johan Hovold <jhovold@gmail.com>
CC: Rusty Russell <rusty@rustcorp.com.au>
CC: Adhir Ramjiawan <adhirramjiawan0@gmail.com>
CC: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
dbg() was a very old USB-serial-specific macro.
This patch removes it from being used in the
driver and uses dev_dbg() instead.
CC: Johan Hovold <jhovold@gmail.com>
CC: Rusty Russell <rusty@rustcorp.com.au>
CC: Alan Stern <stern@rowland.harvard.edu>
CC: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
dbg() was a very old USB-serial-specific macro.
This patch removes it from being used in the
driver and uses dev_dbg() instead.
CC: Johan Hovold <jhovold@gmail.com>
CC: Rusty Russell <rusty@rustcorp.com.au>
CC: Alan Stern <stern@rowland.harvard.edu>
CC: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
dbg() was a very old USB-serial-specific macro.
This patch removes it from being used in the
driver and uses dev_dbg() instead.
CC: Rusty Russell <rusty@rustcorp.com.au>
CC: Johan Hovold <jhovold@gmail.com>
CC: Alan Stern <stern@rowland.harvard.edu>
CC: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Now that the dbg() macro is no longer being used in the driver,
the debug module parameter doesn't do anything at all. So remove
it so as to not confuse people.
CC: "Bjørn Mork" <bjorn@mork.no>
CC: Rusty Russell <rusty@rustcorp.com.au>
CC: Mauro Carvalho Chehab <mchehab@redhat.com>
CC: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Now that the dbg() macro is no longer being used in the driver,
the debug module parameter doesn't do anything at all. So remove
it so as to not confuse people.
CC: Alan Stern <stern@rowland.harvard.edu>
CC: Rusty Russell <rusty@rustcorp.com.au>
CC: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Now that the dbg() macro is no longer being used in the driver,
the debug module parameter doesn't do anything at all. So remove
it so as to not confuse people.
CC: Rusty Russell <rusty@rustcorp.com.au>
CC: Alan Stern <stern@rowland.harvard.edu>
CC: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Now that the dbg() macro is no longer being used in the driver,
the debug module parameter doesn't do anything at all. So remove
it so as to not confuse people.
CC: Rusty Russell <rusty@rustcorp.com.au>
CC: Alan Stern <stern@rowland.harvard.edu>
CC: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Now that the dbg() macro is no longer being used in the driver,
the debug module parameter doesn't do anything at all. So remove
it so as to not confuse people.
CC: Bill Pemberton <wfp5p@virginia.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Now that the dbg() macro is no longer being used in the driver,
the debug module parameter doesn't do anything at all. So remove
it so as to not confuse people.
CC: "Bjørn Mork" <bjorn@mork.no>
CC: Dan Williams <dcbw@redhat.com>
CC: Thomas Tuttle <ttuttle@chromium.org>
CC: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Now that the dbg() macro is no longer being used in the driver,
the debug module parameter doesn't do anything at all. So remove
it so as to not confuse people.
CC: Johan Hovold <jhovold@gmail.com>
CC: Rusty Russell <rusty@rustcorp.com.au>
CC: Alan Stern <stern@rowland.harvard.edu>
CC: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Now that the dbg() macro is no longer being used in the driver,
the debug module parameter doesn't do anything at all. So remove
it so as to not confuse people.
CC: Matthias Urlichs <smurf@smurf.noris.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Now that the dbg() macro is no longer being used in the driver,
the debug module parameter doesn't do anything at all. So remove
it so as to not confuse people.
CC: Aleksey Babahin <tamerlan311@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Now that the dbg() macro is no longer being used in the driver,
the debug module parameter doesn't do anything at all. So remove
it so as to not confuse people.
CC: Oliver Neukum <oliver@neukum.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Now that the dbg() macro is no longer being used in the driver,
the debug module parameter doesn't do anything at all. So remove
it so as to not confuse people.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Now that the dbg() macro is no longer being used in the driver,
the debug module parameter doesn't do anything at all. So remove
it so as to not confuse people.
CC: Rusty Russell <rusty@rustcorp.com.au>
CC: Johan Hovold <jhovold@gmail.com>
CC: Alan Stern <stern@rowland.harvard.edu>
CC: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Now that the dbg() macro is no longer being used in the driver,
the debug module parameter doesn't do anything at all. So remove
it so as to not confuse people.
CC: Rusty Russell <rusty@rustcorp.com.au>
CC: Alan Stern <stern@rowland.harvard.edu>
CC: Mauro Carvalho Chehab <mchehab@redhat.com>
CC: "Bjørn Mork" <bjorn@mork.no>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Now that the dbg() macro is no longer being used in the driver,
the debug module parameter doesn't do anything at all. So remove
it so as to not confuse people.
CC: Rusty Russell <rusty@rustcorp.com.au>
CC: Johan Hovold <jhovold@gmail.com>
CC: Alan Stern <stern@rowland.harvard.edu>
CC: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Now that the dbg() macro is no longer being used in the driver,
the debug module parameter doesn't do anything at all. So remove
it so as to not confuse people.
CC: Rusty Russell <rusty@rustcorp.com.au>
CC: Alan Stern <stern@rowland.harvard.edu>
CC: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Now that the dbg() macro is no longer being used in the driver,
the debug module parameter doesn't do anything at all. So remove
it so as to not confuse people.
CC: Uwe Bonnes <bon@elektron.ikp.physik.tu-darmstadt.de>
CC: Simon Arlott <simon@fire.lp0.eu>
CC: Andrew Worsley <amworsley@gmail.com>
CC: "Michał Wróbel" <michal.wrobel@flytronic.pl>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Now that the dbg() macro is no longer being used in the driver,
the debug module parameter doesn't do anything at all. So remove
it so as to not confuse people.
CC: Gary Brubaker <xavyer@ix.netcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Now that the dbg() macro is no longer being used in the driver,
the debug module parameter doesn't do anything at all. So remove
it so as to not confuse people.
CC: Peter Berger <pberger@brimson.com>
CC: Al Borchers <alborchers@steinerpoint.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Now that the dbg() macro is no longer being used in the driver,
the debug module parameter doesn't do anything at all. So remove
it so as to not confuse people.
CC: Johan Hovold <jhovold@gmail.com>
CC: Preston Fick <preston.fick@silabs.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Now that the dbg() macro is no longer being used in the driver,
the debug module parameter doesn't do anything at all. So remove
it so as to not confuse people.
CC: Paul Gortmaker <paul.gortmaker@windriver.com>
CC: Rusty Russell <rusty@rustcorp.com.au>
CC: Alan Stern <stern@rowland.harvard.edu>
CC: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
dbg() was a very old USB-serial-specific macro.
This patch removes it from being used in the
driver and uses dev_dbg() instead.
CC: Johan Hovold <jhovold@gmail.com>
CC: Alan Stern <stern@rowland.harvard.edu>
CC: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
dbg() was a very old USB-serial-specific macro.
This patch removes it from being used in the
driver and uses dev_dbg() instead.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
dbg() was a very old USB-serial-specific macro.
This patch removes it from being used in the
driver and uses dev_dbg() instead.
CC: Support Department <support@connecttech.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
dbg() was a very old USB-serial-specific macro.
This patch removes it from being used in the
driver and uses dev_dbg() instead.
CC: Alan Stern <stern@rowland.harvard.edu>
CC: Rusty Russell <rusty@rustcorp.com.au>
CC: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
dbg() was a very old USB-serial-specific macro.
This patch removes it from being used in the
driver and uses dev_dbg() instead.
CC: Johan Hovold <jhovold@gmail.com>
CC: Rusty Russell <rusty@rustcorp.com.au>
CC: Alan Stern <stern@rowland.harvard.edu>
CC: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
dbg() was a very old USB-serial-specific macro.
This patch removes it from being used in the
driver and uses dev_dbg() instead.
CC: Johan Hovold <jhovold@gmail.com>
CC: Rusty Russell <rusty@rustcorp.com.au>
CC: Alan Stern <stern@rowland.harvard.edu>
CC: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Nothing from these files is needed, so remove the includes. This helps
single zImage work by reducing use of the mach-tegra/include/mach/
directory.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
dbg() was a very old USB-serial-specific macro.
This patch removes it from being used in the
driver and uses dev_dbg() instead.
CC: Oliver Neukum <oliver@neukum.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
dbg() was a very old USB-serial-specific macro.
This patch removes it from being used in the
driver and uses dev_dbg() instead.
CC: Uwe Bonnes <bon@elektron.ikp.physik.tu-darmstadt.de>
CC: Simon Arlott <simon@fire.lp0.eu>
CC: Andrew Worsley <amworsley@gmail.com>
CC: "Michał Wróbel" <michal.wrobel@flytronic.pl>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
dbg() was a very old USB-serial-specific macro.
This patch removes it from being used in the
driver and uses dev_dbg() instead.
CC: Peter Berger <pberger@brimson.com>
CC: Al Borchers <alborchers@steinerpoint.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
dbg() was a very old USB-serial-specific macro.
This patch removes it from being used in the
driver and uses dev_dbg() instead.
CC: Lonnie Mendez <dignome@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
IRQ_USB was implicitly included by gpio.h. Use the existing variable
instead of IRQ_USB.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Acked-by: Eric Miao <eric.y.miao@gmail.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Platform data for device drivers should be defined in
include/linux/platform_data/*.h, not in the architecture
and platform specific directories.
This moves such data out of the nomadik include directories
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Felipe Balbi <balbi@ti.com>
Acked-by: Alessandro Rubini <rubini@unipv.it>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Cc: STEricsson <STEricsson_nomadik_linux@list.st.com>
Cc: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Andreas Westin <andreas.westin@stericsson.com>
Platform data for device drivers should be defined in
include/linux/platform_data/*.h, not in the architecture
and platform specific directories.
This moves such data out of the pxa include directories
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
Acked-by: Jeff Garzik <jgarzik@redhat.com>
Acked-by: Marek Vasut <marex@denx.de>
Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
Acked-by: Paul Parsons <lost.distance@yahoo.com>
Acked-by: Vinod Koul <vinod.koul@linux.intel.com>
Acked-By: Stefan Schmidt <stefan@openezx.org>
Cc: Eric Miao <eric.y.miao@gmail.com>
Cc: Haojian Zhuang <haojian.zhuang@gmail.com>
Cc: Daniel Ribeiro <drwyrm@gmail.com>
Cc: Harald Welte <laforge@openezx.org>
Cc: Philipp Zabel <philipp.zabel@gmail.com>
Cc: Tomas Cech <sleep_walker@suse.cz>
Cc: Sergey Lapin <slapin@ossfans.org>
Cc: Jonathan Cameron <jic23@cam.ac.uk>
Cc: Dan Williams <djbw@fb.com>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Chris Ball <cjb@laptop.org>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Samuel Ortiz <samuel@sortiz.org>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Cc: Liam Girdwood <lrg@ti.com>
Cc: Jaroslav Kysela <perex@perex.cz>
Cc: Takashi Iwai <tiwai@suse.de>
Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Cc: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Cc: openezx-devel@lists.openezx.org
Platform data for device drivers should be defined in
include/linux/platform_data/*.h, not in the architecture
and platform specific directories.
This moves such data out of the imx include directories
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Acked-by: Sascha Hauer <kernel@pengutronix.de>
Acked-by: Vinod Koul <vinod.koul@linux.intel.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Dan Williams <djbw@fb.com>
Cc: "Ben Dooks (embedded platforms)" <ben-linux@fluff.org>
Cc: "Wolfram Sang (embedded platforms)" <w.sang@pengutronix.de>
Cc: Chris Ball <cjb@laptop.org>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Alan Cox <alan@linux.intel.com>
Cc: Felipe Balbi <balbi@ti.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Cc: Liam Girdwood <lrg@ti.com>
Cc: Javier Martin <javier.martin@vista-silicon.com>
Cc: Shawn Guo <shawn.guo@linaro.org>
Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Platform data for device drivers should be defined in
include/linux/platform_data/*.h, not in the architecture
and platform specific directories.
This moves such data out of the davinci include directories
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Cc: Sekhar Nori <nsekhar@ti.com>
Cc: Kevin Hilman <khilman@ti.com>
Cc: "Ben Dooks" <ben-linux@fluff.org>
Cc: "Wolfram Sang" <w.sang@pengutronix.de>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Chris Ball <cjb@laptop.org>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Liam Girdwood <lrg@ti.com>
Cc: davinci-linux-open-source@linux.davincidsp.com
This patch removes the dependency on the usb_serial interface and names
some magic constants
Signed-off-by: René Bürgel <rene.buergel@sohard.de>
--
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add check for return value of tty_port_tty_get,
since it can return NULL after port hangup that may happen anytime.
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
dbg() was a very old USB-serial-specific macro.
This patch removes it from being used in the
driver and uses dev_dbg() instead.
CC: "Bjørn Mork" <bjorn@mork.no>
CC: Rusty Russell <rusty@rustcorp.com.au>
CC: Mauro Carvalho Chehab <mchehab@redhat.com>
CC: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
dbg() was a very old USB-serial-specific macro.
This patch removes it from being used in the
driver and uses dev_dbg() instead.
CC: Johan Hovold <jhovold@gmail.com>
CC: Rusty Russell <rusty@rustcorp.com.au>
CC: Alan Stern <stern@rowland.harvard.edu>
CC: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
dbg() was a very old USB-serial-specific macro.
This patch removes it from being used in the
driver and uses dev_dbg() instead.
CC: Matthias Urlichs <smurf@smurf.noris.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
dbg() was a very old USB-serial-specific macro.
This patch removes it from being used in the
driver and uses dev_dbg() instead.
CC: Johan Hovold <jhovold@gmail.com>
CC: Rusty Russell <rusty@rustcorp.com.au>
CC: Alan Stern <stern@rowland.harvard.edu>
CC: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
dbg() was a very old USB-serial-specific macro.
This patch removes it from being used in the
driver and uses dev_dbg() instead.
CC: Rusty Russell <rusty@rustcorp.com.au>
CC: Alan Stern <stern@rowland.harvard.edu>
CC: Mauro Carvalho Chehab <mchehab@redhat.com>
CC: "Bjørn Mork" <bjorn@mork.no>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
dbg() was a very old USB-serial-specific macro.
This patch removes it from being used in the
driver and uses dev_dbg() instead.
CC: Matthias Bruestle and Harald Welte <support@reiner-sct.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
dbg() was a very old USB-serial-specific macro.
This patch removes it from being used in the
driver and uses dev_dbg() instead.
CC: Johan Hovold <jhovold@gmail.com>
CC: Preston Fick <preston.fick@silabs.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
dbg() was a very old USB-serial-specific macro.
This patch removes it from being used in the
driver and uses dev_dbg() instead.
CC: Johan Hovold <jhovold@gmail.com>
CC: Alan Stern <stern@rowland.harvard.edu>
CC: Rusty Russell <rusty@rustcorp.com.au>
CC: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Hi Greg,
Here's seven patches for 3.7.
The first four fix an issue with Set Address command timeouts. It turns out
that Set Address timeouts can trigger a warning that was put in to avoid a NULL
pointer dereference. This patchset fixes the underlying cause of the NULL
pointer that was papered over by the warning. They should be applied to stable,
but I'm a bit nervous about the size, so I'd rather they go into 3.7, rather
than trying to stuff them into a late 3.6-rc.
The other three patches are various trivial fixes.
Sarah Sharp
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.11 (GNU/Linux)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=DJtk
-----END PGP SIGNATURE-----
Merge tag 'for-usb-next-2012-09-13' of git://git.kernel.org/pub/scm/linux/kernel/git/sarah/xhci into usb-next
xHCI patches for 3.7
Hi Greg,
Here's seven patches for 3.7.
The first four fix an issue with Set Address command timeouts. It turns out
that Set Address timeouts can trigger a warning that was put in to avoid a NULL
pointer dereference. This patchset fixes the underlying cause of the NULL
pointer that was papered over by the warning. They should be applied to stable,
but I'm a bit nervous about the size, so I'd rather they go into 3.7, rather
than trying to stuff them into a late 3.6-rc.
The other three patches are various trivial fixes.
Sarah Sharp
This cleans up the usb-serial module to remove all old usages of dbg()
and "raw" printk() calls for error reporting (there are some info
messages left for now.)
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
removes unnecessary semicolon
Found by Coccinelle: http://coccinelle.lip6.fr/
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
The comment is a quote of Alan Stern and reflects the data structure
better than the the initial comment.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
drivers/usb/host/xhci.c:1826:14: warning: symbol 'xhci_get_block_size' was not declared. Should it be static?
drivers/usb/host/xhci.c:1844:14: warning: symbol 'xhci_get_largest_overhead' was not declared. Should it be static?
drivers/usb/host/xhci-ring.c:2304:36: warning: context imbalance in 'handle_tx_event' - unexpected unlock
drivers/usb/host/xhci-hub.c:425:6: warning: symbol 'xhci_set_remote_wake_mask' was not declared. Should it be static?
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
According to xHCI spec section 4.6.1.1 and section 4.6.1.2,
after aborting a command on the command ring, xHC will
generate a command completion event with its completion
code set to Command Ring Stopped at least. If a command is
currently executing at the time of aborting a command, xHC
also generate a command completion event with its completion
code set to Command Abort. When the command ring is stopped,
software may remove, add, or rearrage Command Descriptors.
To cancel a command, software will initialize a command
descriptor for the cancel command, and add it into a
cancel_cmd_list of xhci. When the command ring is stopped,
software will find the command trbs described by command
descriptors in cancel_cmd_list and modify it to No Op
command. If software can't find the matched trbs, we can
think it had been finished.
This patch should be backported to kernels as old as 3.0, that contain
the commit 7ed603ecf8 "xhci: Add an
assertion to check for virt_dev=0 bug." That commit papers over a NULL
pointer dereference, and this patch fixes the underlying issue that
caused the NULL pointer dereference.
Signed-off-by: Elric Fu <elricfu1@gmail.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Tested-by: Miroslav Sabljic <miroslav.sabljic@avl.com>
Cc: stable@vger.kernel.org
The patch is used to cancel command when the command isn't
acknowledged and a timeout occurs.
This patch should be backported to kernels as old as 3.0, that contain
the commit 7ed603ecf8 "xhci: Add an
assertion to check for virt_dev=0 bug." That commit papers over a NULL
pointer dereference, and this patch fixes the underlying issue that
caused the NULL pointer dereference.
Signed-off-by: Elric Fu <elricfu1@gmail.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Tested-by: Miroslav Sabljic <miroslav.sabljic@avl.com>
Cc: stable@vger.kernel.org
Software have to abort command ring and cancel command
when a command is failed or hang. Otherwise, the command
ring will hang up and can't handle the others. An example
of a command that may hang is the Address Device Command,
because waiting for a SET_ADDRESS request to be acknowledged
by a USB device is outside of the xHC's ability to control.
To cancel a command, software will initialize a command
descriptor for the cancel command, and add it into a
cancel_cmd_list of xhci.
Sarah: Fixed missing newline on "Have the command ring been stopped?"
debugging statement.
This patch should be backported to kernels as old as 3.0, that contain
the commit 7ed603ecf8 "xhci: Add an
assertion to check for virt_dev=0 bug." That commit papers over a NULL
pointer dereference, and this patch fixes the underlying issue that
caused the NULL pointer dereference.
Signed-off-by: Elric Fu <elricfu1@gmail.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Tested-by: Miroslav Sabljic <miroslav.sabljic@avl.com>
Cc: stable@vger.kernel.org
Adding cmd_ring_state for command ring. It helps to verify
the current command ring state for controlling the command
ring operations.
This patch should be backported to kernels as old as 3.0. The commit
7ed603ecf8 "xhci: Add an assertion to
check for virt_dev=0 bug." papers over the NULL pointer dereference that
I now believe is related to a timed out Set Address command. This (and
the four patches that follow it) contain the real fix that also allows
VIA USB 3.0 hubs to consistently re-enumerate during the plug/unplug
stress tests.
Signed-off-by: Elric Fu <elricfu1@gmail.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Tested-by: Miroslav Sabljic <miroslav.sabljic@avl.com>
Cc: stable@vger.kernel.org
These dbg() calls were no more than just a function trace, so remove
them. If you want to see the functions being called, use the in-kernel
function trace code instead, it's much nicer.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
It's not needed, and commented out, so just remove it.
Cc: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
If VERBOSE_DEBUG was enabled, lots of build errors happend (obviously no
one uses this mode.) So fix that up, and get rid of the dbg() call, and
use dev_dbg() like the rest of the driver does.
Cc: Duncan Sands <duncan.sands@free.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This adds a driver for the zte_ev set of usb to serial devices. It is
based on a patch floating around the internet that modified the generic
usb-serial driver to only work for this type of device.
I've left comments in the code that I think show the data commands being
sent to the device, which I'm guessing come from a usb analyzer. Maybe
they can help others out as well.
Many thanks to nirinA raseliarison for pointing the original patch out
to me, and for testing that the driver works properly.
Tested-by: nirinA raseliarison <nirina.raseliarison@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
- let role driver handle irq before ID change check; this gives the
role driver a chance to handle disconnect;
- disable irq during switch role; no role driver to handle irq in
the period.
Tested-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Tested-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Richard Zhao <richard.zhao@freescale.com>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch turns on debugging output if CONFIG_USB_CHIPIDEA_DEBUG is
enabled.
Signed-off-by: Richard Zhao <richard.zhao@freescale.com>
Tested-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Tested-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Using vbus valid interrupt to detect vbus.
Tested-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Tested-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Richard Zhao <richard.zhao@freescale.com>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
In order to avoid re-queueing of the role changing work, we need to clear
the ID change interrupt bit right in the irq handler.
Tested-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Tested-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Richard Zhao <richard.zhao@freescale.com>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The ID pin needs 1ms debounce time, even at probe time. We delay 2ms
to be on the safe side.
Tested-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Tested-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Richard Zhao <richard.zhao@freescale.com>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Some controllers may not need to setup pinctrl, so we don't fail the
probe if pinctrl get/select failed.
Tested-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Tested-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Richard Zhao <richard.zhao@freescale.com>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
i.MX usb controllers share non-core registers, which may include
SoC specific controls. We turn it into a usbmisc device and usbmisc
driver set operations needed by ci13xxx_imx driver.
For example, Sabrelite board has bad over-current design, we can
usbmisc to disable over-current detection.
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Richard Zhao <richard.zhao@freescale.com>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
These chipidea stable patches are needed for other chipidea patches to be
applied properly.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
When attaching an imx28 or imx53 in USB gadget mode to a Windows host and
starting a rndis connection we see this message every 4-10 seconds:
g_ether gadget: high speed config #2: RNDIS
Analysis shows that each time this message is printed, the rndis connection is
re-establish due to a reset because of a stalled endpoint (ep 0, dir 1). The
endpoint is stalled because the reqeust complete bit on that endpoint is set,
but in isr_tr_complete_low() the endpoint request list (mEp->qh.queue) is
empty.
This patch removed this check, because the code doesn't take the following
situation into account:
The loop over all endpoints in isr_tr_complete_handler() will call ep_nuke() on
both ep0/dir0 and ep/dir1 in the first loop. Pending reqeusts will be flushed
and completed here. There seems to be a race condition, the request is nuked,
but the request complete bit will be set, too. The subsequent check (in
ep0/dir1's loop cycle) for endpoint request list (mEp->qh.queue) empty will
fail.
Both other mainline chipidea drivers (mv_udc_core.c and fsl_udc_core.c) don't
have this check.
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
If udc_start() fails the qh_pool dma-pool cannot be closed because
it's still in use. This patch factors out the dma_pool_free() loop
into destroy_eps() and calls it in the error path of udc_start(),
too.
Cc: stable <stable@vger.kernel.org>
Reviewed-by: Richard Zhao <richard.zhao@freescale.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch fixes the error path of udc_start(). Now NULL is used to
unset the peripheral with otg_set_peripheral().
Cc: stable <stable@vger.kernel.org>
Reviewed-by: Richard Zhao <richard.zhao@freescale.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add function to physicaly enable or disable of pullup connection on the USB-D+
line. The uvc gaget will fail, if this function is not implemented.
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch changes the setup of the endpoint maxpacket size. All non control
endpoints are initialized with an undefined ((unsigned short)~0) maxpacket
size. The maxpacket size of Endpoint 0 will be kept at CTRL_PAYLOAD_MAX.
Some gadget drivers check for the maxpacket size before they enable the
endpoint, which leads to a wrong state in these drivers.
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Commit ff823c79a5 ("usb: move children
to struct usb_port") forgot to consider the hub_disconnect sequence,
which releases ports before quiescing the hub, which will lead to a
use-after-free, since hub_quiesce() will try to disconnect ports'
children, which are already deallocated. Simple modprobe dummy_hcd &&
rmmod dummy_hcd will illustrate the problem.
This patch moves deallocation of hub's ports after hub_quiesce() call
in hub_disconnect().
Cc: Lan Tianyu <tianyu.lan@intel.com>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Here we have a bunch of miscellaneous cleanups and fixes
to the musb driver. It fixes a bunch of mistakes errors
which nobody has triggered before, so I'm not Ccing stable
tree.
We are finally improving OMAP's VBUS/ID Mailbox usage so
that we can introduce our PHY drivers properly. Also, we're
adding support for multiple instances of the MUSB IP in
the same SoC, as seen on some platforms from TI which
have 2 MUSB instances.
Other than that, we have some small fixes like not kicking
DMA for a zero byte transfer, or properly handling NAK timeout
on MUSB's host side, and the enabling of DMA Mode1 for any
transfers which are aligned to wMaxPacketSize.
All patches have been pending on mailing list for a long time
and I don't expect any big surprises with this pull request.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.12 (GNU/Linux)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=UHPu
-----END PGP SIGNATURE-----
Merge tag 'musb-for-v3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next
usb: musb: patches for v3.7 merge window
Here we have a bunch of miscellaneous cleanups and fixes
to the musb driver. It fixes a bunch of mistakes errors
which nobody has triggered before, so I'm not Ccing stable
tree.
We are finally improving OMAP's VBUS/ID Mailbox usage so
that we can introduce our PHY drivers properly. Also, we're
adding support for multiple instances of the MUSB IP in
the same SoC, as seen on some platforms from TI which
have 2 MUSB instances.
Other than that, we have some small fixes like not kicking
DMA for a zero byte transfer, or properly handling NAK timeout
on MUSB's host side, and the enabling of DMA Mode1 for any
transfers which are aligned to wMaxPacketSize.
All patches have been pending on mailing list for a long time
and I don't expect any big surprises with this pull request.
Some much needed changes for our dwc3 driver. First there's a
rework on the ep0 handling due to some Silicon issue we uncovered
which affects all users of this IP core (there's a missing
XferNotReady(DATA) event in some conditions). This issue which
show up as a SETUP transfers which wouldn't complete ever and
we would fail TD 7.06 of the Link Layer Test from USB-IF and
Lecroy's USB3 Exerciser.
We also fix a long standing bug regarding EP0 enable sequencing
where we weren't setting a particular bit (Ignore Sequence
Number). Since we never saw any problems caused by that, it
didn't deserve being sent to stable tree.
On this pull request we also fix Burst Size initialization which
should be done only in SuperSpeed and we were mistakenly setting
Burst Size to the maximum value on non-SuperSpeed mode. Again,
since we never saw any problems caused by that, we're not sending
this patch to stable.
There's also a memory ordering fix regarding usage of bitmaps in
dwc3 driver.
You will also find some sparse warnings fix, a fix for missed
isochronous packets when the endpoint is already busy, and a
fix for synchronization delay on dwc3_stop_active_transfer().
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.12 (GNU/Linux)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=Lqwl
-----END PGP SIGNATURE-----
Merge tag 'dwc3-for-v3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next
usb: dwc3: patches for v3.7 merge window
Some much needed changes for our dwc3 driver. First there's a
rework on the ep0 handling due to some Silicon issue we uncovered
which affects all users of this IP core (there's a missing
XferNotReady(DATA) event in some conditions). This issue which
show up as a SETUP transfers which wouldn't complete ever and
we would fail TD 7.06 of the Link Layer Test from USB-IF and
Lecroy's USB3 Exerciser.
We also fix a long standing bug regarding EP0 enable sequencing
where we weren't setting a particular bit (Ignore Sequence
Number). Since we never saw any problems caused by that, it
didn't deserve being sent to stable tree.
On this pull request we also fix Burst Size initialization which
should be done only in SuperSpeed and we were mistakenly setting
Burst Size to the maximum value on non-SuperSpeed mode. Again,
since we never saw any problems caused by that, we're not sending
this patch to stable.
There's also a memory ordering fix regarding usage of bitmaps in
dwc3 driver.
You will also find some sparse warnings fix, a fix for missed
isochronous packets when the endpoint is already busy, and a
fix for synchronization delay on dwc3_stop_active_transfer().
nop xceiv got its own header to avoid polluting otg.h. It has also
learned to work as USB2 and USB3 phys so we can use it on USB3
controllers.
Together with those two changes to nop xceiv, we're adding basic
PHY support to dwc3 driver, this is to allow platforms which actually
have a SW-controllable PHY talk to them through dwc3 driver.
We're adding a new phy driver for the OMAP architecture. This driver
is for the PHY found in OMAP4 SoCs, and a new phy driver for the
marvell architecture. An extra phy driver - for Tegra SoCs - is now
moving from arch/arm/mach-tegra* to drivers/usb/phy.
Also here, there's the creation of <linux/usb/phy.h> which should be
used from now on for PHY drivers, even those which don't support
OTG.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.12 (GNU/Linux)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=/qVp
-----END PGP SIGNATURE-----
Merge tag 'xceiv-for-v3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next
usb: xceiv: patches for v3.7 merge window
nop xceiv got its own header to avoid polluting otg.h. It has also
learned to work as USB2 and USB3 phys so we can use it on USB3
controllers.
Together with those two changes to nop xceiv, we're adding basic
PHY support to dwc3 driver, this is to allow platforms which actually
have a SW-controllable PHY talk to them through dwc3 driver.
We're adding a new phy driver for the OMAP architecture. This driver
is for the PHY found in OMAP4 SoCs, and a new phy driver for the
marvell architecture. An extra phy driver - for Tegra SoCs - is now
moving from arch/arm/mach-tegra* to drivers/usb/phy.
Also here, there's the creation of <linux/usb/phy.h> which should be
used from now on for PHY drivers, even those which don't support
OTG.
This pull request is large but the biggest part is the first part
of the cleanup on the gadget framework so we have a saner setup
to add configfs support for v3.8.
We have also some more conversions to the new udc_start/udc_stop
which makes us closer from dropping the old interfaces.
USB_GADGET_DUALSPEED and USB_GADGET_SUPERSPEED are finally gone,
thanks to Michal for his awesome work.
Other than that, we have the usual set of miscellaneous changes
and cleanups involving improvements to debug messages, removal
of duplicated includes, moving dereference after NULL test,
making renesas_hsbhs' irq handler Shared, unused code being dropped,
prevention of sleep-inside-spinlock bugs and a race condition fix
on udc-core.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.12 (GNU/Linux)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=T3kf
-----END PGP SIGNATURE-----
Merge tag 'gadget-for-v3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next
usb: gadget: patches for v3.7 merge window
This pull request is large but the biggest part is the first part
of the cleanup on the gadget framework so we have a saner setup
to add configfs support for v3.8.
We have also some more conversions to the new udc_start/udc_stop
which makes us closer from dropping the old interfaces.
USB_GADGET_DUALSPEED and USB_GADGET_SUPERSPEED are finally gone,
thanks to Michal for his awesome work.
Other than that, we have the usual set of miscellaneous changes
and cleanups involving improvements to debug messages, removal
of duplicated includes, moving dereference after NULL test,
making renesas_hsbhs' irq handler Shared, unused code being dropped,
prevention of sleep-inside-spinlock bugs and a race condition fix
on udc-core.
As NOP device node is now added in am33xx tree so remove the call
which creates the NOP platform_device.
Signed-off-by: Ajay Kumar Gupta <ajay.gupta@ti.com>
Signed-off-by: Santhapuri, Damodar <damodar.santhapuri@ti.com>
Signed-off-by: Ravi Babu <ravibabu@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Added device tree support for dsps musb glue driver and updated the
Documentation with device tree binding information.
Signed-off-by: Ajay Kumar Gupta <ajay.gupta@ti.com>
Signed-off-by: Santhapuri, Damodar <damodar.santhapuri@ti.com>
Signed-off-by: Ravi Babu <ravibabu@ti.com>
[afzal@ti.com: use '-' instead of '_' for dt properties]
Signed-off-by: Afzal Mohammed <afzal@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
AM335x and TI81xx platform has dual musb controller so updating the
musb_dspc.c to support the same.
Changes:
- Moved otg_workaround timer to glue structure
- Moved static local variable last_timer to glue structure
- PHY on/off related cleanups
Signed-off-by: Ravi Babu <ravibabu@ti.com>
Signed-off-by: Ajay Kumar Gupta <ajay.gupta@ti.com>
Signed-off-by: Santhapuri, Damodar <damodar.santhapuri@ti.com>
[afzal@ti.com: remove control module related modifications]
Signed-off-by: Afzal Mohammed <afzal@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Moved global variable "musb_debugfs_root" and static variable
"old_state" to 'struct musb' to help support multi instance of
musb controller as present on AM335x platform.
Also removed the global variable "orig_dma_mask" and filled the
dev->dma_mask with parent device's dma_mask.
Signed-off-by: Ajay Kumar Gupta <ajay.gupta@ti.com>
Signed-off-by: Santhapuri, Damodar <damodar.santhapuri@ti.com>
Signed-off-by: Ravi Babu <ravibabu@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Added musb_ida in musb_core.c to manage the multi core ids.
Signed-off-by: Ravi Babu <ravibabu@ti.com>
Signed-off-by: Ajay Kumar Gupta <ajay.gupta@ti.com>
Signed-off-by: Santhapuri, Damodar <damodar.santhapuri@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Added device tree support for omap musb driver and updated the
Documentation with device tree binding information.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
The glue layer should directly write to mailbox register (present in
control module) instead of calling phy layer to write to mailbox
register. Writing to mailbox register notifies the core of events like
device connect/disconnect.
Currently writing to control module register is taken care in this
driver which will be removed once the control module driver is in place.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Because the IRQF_DISABLED as the flag is now a NOOP and has been
deprecated and in hardirq context the interrupt is disabled.
so in usb/host code:
Removing the usage of flag IRQF_DISABLED;
Removing the calling local_irq save/restore actions in irq
handler usb_hcd_irq();
Signed-off-by: liu chuansheng <chuansheng.liu@intel.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
There is a possibility of QH overlay region having reference to a stale
qTD pointer during unlink.
Consider an endpoint having two pending qTD before unlink process begins.
The endpoint's QH queue looks like this.
qTD1 --> qTD2 --> Dummy
To unlink qTD2, QH is removed from asynchronous list and Asynchronous
Advance Doorbell is programmed. The qTD1's next qTD pointer is set to
qTD2'2 next qTD pointer and qTD2 is retired upon controller's doorbell
interrupt. If QH's current qTD pointer points to qTD1, transfer overlay
region still have reference to qTD2. But qtD2 is just unlinked and freed.
This may cause EHCI system error. Fix this by updating qTD next pointer
in QH overlay region with the qTD next pointer of the current qTD.
Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
A logic error made the wdm_find_device* functions
return a bogus pointer into static data instead of
the intended NULL no matching device was found.
Cc: stable <stable@vger.kernel.org> # v3.4+
Cc: Oliver Neukum <oliver@neukum.org>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch adds two sysfs files for each usb hub port to allow userspace
to control the port power policy.
For an upcoming Intel xHCI roothub, this will translate into ACPI calls
to completely power off or power on the port. As a reminder, when these
ports are completely powered off, the USB host and device will see a
physical disconnect. All future USB device connections will be lost,
and the device will not be able to signal a remote wakeup.
The control sysfs file can be written to with two options:
"on" - port power must be on.
"off" - port must be off.
The state sysfs file reports usb port's power state:
"on" - powered on
"off" - powered off
"error" - can't get power state
For now, let userspace dictate the port power off policy. Future
patches may add an in-kernel policy.
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Alan Stern pointed out that a USB port could potentially get powered off
when the attached USB device is in the middle of enumerating, due to
race conditions:
http://marc.info/?l=linux-usb&m=134130616707548&w=2
If that happens, we need to ensure the enumeration fails. If a call to
usb_get_descriptor() fails for a reason other than a Stall, return an
error. That should handle the case where the port is powered off.
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Upcoming Intel systems will have an ACPI method to control whether a USB
port can be completely powered off. The implication of powering off a
USB port is that the device and host sees a physical disconnect, and
subsequent port connections and remote wakeups will be lost.
Add a new function, usb_acpi_power_manageable(), that can be used to
find whether the usb port has ACPI power resources that can be used to
power on and off the port on these machines. Also add a new function
called usb_acpi_set_power_state() that controls the port power via these
ACPI methods.
When the USB core calls into the xHCI hub driver to power off a port,
check whether the port can be completely powered off via this new ACPI
mechanism. If so, call into these new ACPI methods. Also use the ACPI
methods when the USB core asks to power on a port.
Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch makes the xHCI roothub code handle the clear PORT_POWER
feature request. Setting port power is already handled.
Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
In the upcoming USB port power off patches, we need to know whether a
USB port can ever see a disconnect event. Often USB ports are internal
to a system, and users can't disconnect USB devices from that port.
Sometimes those ports will remain empty, because the OEM chose not to
connect an internal USB device to that port.
According to ACPI Spec 9.13, PLD indicates whether USB port is
user visible and _UPC indicates whether a USB device can be connected to
the USB port (we'll call this "connectible"). Here's a matrix of the
possible combinations:
Visible Connectible
Name Example
-------------------------------------------------------------------------
Yes No Unknown (Invalid state.)
Yes Yes Hot-plug USB ports on the outside of a laptop.
A user could freely connect and disconnect
USB devices.
No Yes Hard-wired A USB modem hard-wired to a port on the
inside of a laptop.
No No Not used The port is internal to the system and
will remain empty.
Represent each of these four states with an enum usb_port_connect_type.
The four states are USB_PORT_CONNECT_TYPE_UNKNOWN,
USB_PORT_CONNECT_TYPE_HOT_PLUG, USB_PORT_CONNECT_TYPE_HARD_WIRED, and
USB_PORT_NOT_USED. When we get the USB port's acpi_handle, store the
state in connect_type in struct usb_port.
Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
In the ACPI DSDT table, only usb root hub and usb ports are ACPI device
nodes. Originally, we bound the usb port's ACPI node to the usb device
attached to the port. However, we want to access those ACPI port
methods when the port is empty, and there's no usb_device associated
with that port.
Now that the usb port is a real device, we can bind the port's ACPI node
to struct usb_port instead.
Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The usb_device structure contains an array of usb_device "children".
This array is only valid if the usb_device is a hub, so it makes no
sense to store it there. Instead, store the usb_device child
in its parent usb_port structure.
Since usb_port is an internal USB core structure, add a new function to
get the USB device child, usb_hub_find_child(). Add a new macro,
usb_hub_get_each_child(), to iterate over all the children attached to a
particular USB hub.
Remove the printing the USB children array pointer from the usb-ip
driver, since it's really not necessary.
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch turns each USB port on a hub into a new struct device. This
new device has the USB hub interface device as its parent. The port
devices are stored in a new structure (usb_port), and an array of
usb_ports are dynamically allocated once we know how many ports the USB
hub has.
Move the port_owner variable out of usb_hub and into this new structure.
A new file will be created in the hub interface sysfs directory, so
add documentation.
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The kernel's version number is used as decimal in the bcdDevice field of
the RH descriptor. For kernel version v3.12 we would see 3.0c in lsusb.
I am not sure how important it is to stick with bcd values since this is
this way since we started git history and nobody complained (however back
then we reported only 2.6).
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Apps which deal with devices which also have a kernel driver, need to do
the following:
1) Check which driver is attached, so as to not detach the wrong driver
(ie detaching usbfs while another instance of the app is using the device)
2) Detach the kernel driver
3) Claim the interface
Where moving from one step to the next for both 1-2 and 2-3 consists of
a (small) race window. So currently such apps are racy and people just live
with it.
This patch adds a new ioctl which makes it possible for apps to do this
in a race free manner. For flexibility apps can choose to:
1) Specify the driver to disconnect
2) Specify to disconnect any driver except for the one named by the app
3) Disconnect any driver
Note that if there is no driver attached, the ioctl will just act like the
regular claim-interface ioctl, this is by design, as returning an error for
this condition would open a new bag of race-conditions.
Changes in v2:
-Fix indentation of if blocks where the condition spans multiple lines
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The Microchip vid:pid 04d8:000a is used for their CDC ACM
demo firmware application. This is a device with a single
function conforming to the CDC ACM specification and with
the intention of demonstrating CDC ACM class firmware and
driver interaction. The demo is used on a number of
development boards, and may also be used unmodified by
vendors using Microchip hardware.
Some vendors have re-used this vid:pid for other types of
firmware, emulating FTDI chips. Attempting to continue to
support such devices without breaking class based
applications that by matching on interface
class/subclass/proto being ff/ff/00. I have no information
about the actual device or interface descriptors, but this
will at least make the proper CDC ACM devices work again.
Anyone having details of the offending device's descriptors
should update this entry with the details.
Reported-by: Florian Wöhrl <fw@woehrl.biz>
Reported-by: Xiaofan Chen <xiaofanc@gmail.com>
Cc: stable <stable@vger.kernel.org>
Cc: Alan Cox <alan@linux.intel.com>
Cc: Bruno Thomsen <bruno.thomsen@gmail.com>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fengguang Wu reported:
|drivers/usb/gadget/serial.c:89:22: sparse: cast truncates bits from
|constant value (24000000 becomes 0)
I obviously let the version number shift away. Since the version is a
16bit number it can be applied as it.
Cc: fengguang.wu@intel.com
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Currently mx23 fails to enumerate a USB device:
[ 1.300000] hub 1-0:1.0: unable to enumerate USB device on port 1
[ 1.520000] hub 1-0:1.0: unable to enumerate USB device on port 1
[ 1.740000] hub 1-0:1.0: unable to enumerate USB device on port 1
[ 1.960000] hub 1-0:1.0: unable to enumerate USB device on port 1
[ 2.180000] hub 1-0:1.0: unable to enumerate USB device on port 1
Use a kernel workqueue to asynchronously delay the setting of
ENHOSTDISCONDETECT bit until after higher level hub connect/reset processing
is complete. Prematurely setting the bit prevents the connection
processing from completing and not setting it prevents disconnect from being
detected. No delay is needed for clearing of ENHOSTDISCONDETECT.
Successfully tested on mx23-olinuxino (micro, mini and maxi variants) and mx28evk.
Cc: stable@vger.kernel.org # v3.6
Signed-off-by: Mike Thompson <mpthompson@gmail.com>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
We will be adding support for transceivers on
dwc3 driver but not all boards have controllable
transceivers.
For those which don't provide controllable transceivers
we will register nop transceivers.
Signed-off-by: Felipe Balbi <balbi@ti.com>
We will be adding support for transceivers on
dwc3 driver but not all boards have controllable
transceivers.
For those which don't provide controllable transceivers
we will register nop transceivers.
Note that once OMAP's transceiver drivers reach mainline,
this glue layer will change accordingly.
Signed-off-by: Felipe Balbi <balbi@ti.com>
We will be adding support for transceivers on
dwc3 driver but not all boards have controllable
transceivers.
For those which don't provide controllable transceivers
we will register nop transceivers.
Signed-off-by: Felipe Balbi <balbi@ti.com>
The dereference should be moved below the NULL test.
spatch with a semantic match is used to found this.
(http://coccinelle.lip6.fr/)
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Spotted by Fengguang Wu:
|In file included from drivers/usb/gadget/ether.c:110:0:
|drivers/usb/gadget/u_ether.c:87:21: error: expected ')' before 'uint'
|drivers/usb/gadget/u_ether.c:88:25: error: expected ')' before string constant
This is because u_ether.c relied on having module.h included somewhere.
This isn't the case since composite.c is no longer included.
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
