Use vfs_write instead and call kmap/kunmap to ensure
that we can access high memory zone.

Cc: Andreas Dilger <andreas.dilger@intel.com>
Signed-off-by: Peng Tao <bergwolf@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

no users.

Cc: Andreas Dilger <andreas.dilger@intel.com>
Signed-off-by: Peng Tao <bergwolf@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

we can just call generic vfs_fsync().

Cc: Andreas Dilger <andreas.dilger@intel.com>
Signed-off-by: Peng Tao <bergwolf@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Cc: Andreas Dilger <andreas.dilger@intel.com>
Signed-off-by: Peng Tao <bergwolf@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Error handling code in gdm_usb_probe() deallocates all resources,
but calls usb_get_dev(usbdev) and returns error code after that.

The patch fixes it and, by the way, several other issues:
- no need to use GFP_ATOMIC in probe();
- return -ENODEV instead of -1;
- kmalloc+memset -> kzalloc

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>

Instead of writing code like:

	if (dwc2_qh_is_non_per(qh)) {
		...
	} else {
		...
	}
	return;

write it like:

	if (dwc2_qh_is_non_per(qh)) {
		...
		return;
	}
	...
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

I've made the success and error paths clearer and pulled some code in
one indent level.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Remove #ifdef DEBUG from a couple of places where it is not needed
Signed-off-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Rename dwc2_check_core_status() to dwc2_is_controller_alive(), and
make it a boolean function. Also change the message when the
controller is dead to say "dead" instead of "disconnected".
Signed-off-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Remove useless cast in dwc2_get_otg_version()
Signed-off-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

NO_FS_PHY_HW_CHECKS is never defined, so remove the conditional
code that checks for it being set
Signed-off-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

We were not checking the return value from any of these functions,
so make them void functions
Signed-off-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

DWC2_PARAM_TEST is not a very good name for this macro, so rename
it to DWC2_OUT_OF_BOUNDS
Signed-off-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

dwc2_process_non_isoc_desc() can potentially free the qtd, so null
out the qtd pointer if the call fails so we don't try to access it
later
Signed-off-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Fix some functions called by dwc2_hcd_qtd_add() to return either
a proper error code or 0, instead of somewhat random values.
Then change the caller of dwc2_hcd_qtd_add() to just check the
return value for 0.
Signed-off-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

If the GRSTCTL_CSFTRST self-clearing bit never comes
back to 0 for any reason, the controller is under reset
state and cannot be used. It's preferable to abort
initialization in such case.
Signed-off-by: Julien Delacou <julien.delacou@st.com>
Acked-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Pending interrupts clearing is done in dwc2_enable_common_interrupts
so we don't need to do it twice.
Signed-off-by: Julien Delacou <julien.delacou@st.com>
Acked-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Remove useless netdev_info slowly flooding dmesg.
Fixes bug https://bugzilla.kernel.org/show_bug.cgi?id=64231Signed-off-by: Alexandre Demers <alexandre.f.demers@gmail.com>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

The DPRINTK messages in this driver are just added noise.
Remove them.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Use dev_dbg() instead of the DPRINTK macro to output the comedi
debugging information.

The dev_dbg() will prefix the messages appropriately so remove the
"comedi%d: amplc_pci230: " portion and use __func__ to show the
actual function name for debugging.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Use dev_dbg() instead of the DPRINTK macro to output the comedi
debugging information.

The dev_dbg() will prefix the messages appropriately so remove the
"comedi%d: " DRIVER_NAME portion and use __func__ to show the actual
function name for debugging.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Remove the DPRINTK messages that are just function trace noise.

Use dev_dbg() instead of the DPRINTK macro to output the comedi
debugging information.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Use dev_dbg() instead of the DPRINTK macro to output the comedi
debugging information.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Remove this module parameter and use the CONFIG_COMEDI_DEBUG option to
enable normal kernel debugging with -DDEBUG flag.

Remove the #undef DEBUG from all the comedi source files so they will
honour the -DDEBUG flag.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

This define unables some debug code that prints the status flags
during the interrupt handler. These messages are just added noise
and it's probably not a good idea to spew them during the interrupt
anyway.

Remove the DEBUG define as well as the debug code.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

This define is only used to enable some debug messages during the
board attach. These are just added noise, remove them as well as
the DEBUG define.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

These defines are not used in the driver. Remove them.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

The comedi core defines a DPRINTK macro in comedidev.h. Use that macro
instead of defining a private version in this driver.

Also, remove the DEBUG define since it was only used to enable the
DPRINTK macro.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

This define is not used by the driver. Just remove it.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

This define is only used to enable a debug message during the board attach.
The message is just added noise, remove it as well as the DEBUG define.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

This macro is only used to output some function tracing debug messages.
These messages are just added noise so remove the DEBUG macro as well
as the noise.

Also, remove pcl816_cmdtest_out() which was only called as part of the
DEBUG() in pcl816_ai_cmdtest().
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

The private data does not contain 'das6402_irqcount' or 'das6402_wordsread'
members so the printk noise produces build errors when DEBUG is defined.
The other printk is just added noise.

Remove the printk's to fix the build errors and remove the noise.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

This patch removes MACRO definition pr_fmt which was initially
required by pr_info and pr_err logging functions.
Signed-off-by: Conrad Gomes <conrad.s.j.gomes@gmail.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

This is a patch which subsitutes pr_err with the preferred dev_err
for device drivers in __unioxx5_analog_write.

The function definition of __unioxx5_analog_write has been changed
to take the pointer to the struct comedi_subdevice as a parameter
instead of the pointer to struct unioxx5_subd_priv.

The pointers to the stuct device and the struct unioxx5_subd_priv are
obtained through the pointer to the struct comedi_subdevice in this
function.

The function call to __unioxx5_analog_write in unioxx5_subdev_write
has been changed to pass the pointer to the struct comedi_subdevice
Signed-off-by: Conrad Gomes <conrad.s.j.gomes@gmail.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

This is a patch which subsitutes pr_err with the preferred dev_err
for device drivers in __unioxx5_digital_write.

The function definition of __unioxx5_digital_write has been changed
to take the pointer to the struct comedi_subdevice as a parameter
instead of the pointer to struct unioxx5_subd_priv.

The pointers to the stuct device and the struct unioxx5_subd_priv are
obtained through the pointer to the struct comedi_subdevice in this
function.

The function call to __unioxx5_digital_write in unioxx5_subdev_write
has been changed to pass the pointer to the struct comedi_subdevice
Signed-off-by: Conrad Gomes <conrad.s.j.gomes@gmail.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

This is a patch which subsitutes pr_err with dev_err in
__unioxx5_analog_read as it is the preferred way to log in device
drivers
Signed-off-by: Conrad Gomes <conrad.s.j.gomes@gmail.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

This is a patch which fixes coding style issues due to printk usage in
unioxx5.c found by checkpatch.pl in the following functions:
1) __unioxx5_digital_read
2) __unioxx5_analog_read
3) __unioxx5_digital_config

To subsitute printk with dev_err/dev_dbg, access to the struct device is
required. The function definitions of the above functions have been changed
to take the pointer to the struct comedi_subdevice as a parameter instead
of the pointer to struct unioxx5_subd_priv.

The pointers to the stuct device and the struct unioxx5_subd_priv are
obtained through the pointer to the struct comedi_subdevice in these functions.

The function calls of __unioxx5_digital_read and __unioxx5_analog_read in
unioxx5_subdev_read have been changed to pass the pointer to the struct
comedi_subdevice.
Signed-off-by: Conrad Gomes <conrad.s.j.gomes@gmail.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

This is a patch to fix a line over 80 character warning found by
checkpatch.pl in a comment. The comment was reworded to fix
the warning
Signed-off-by: Conrad Gomes <conrad.s.j.gomes@gmail.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

This is a patch to unioxx5.c that fixes the line over 80 character
warning found by checkpatch.pl by initializing n_subd before the
for loop
Signed-off-by: Conrad Gomes <conrad.s.j.gomes@gmail.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

This pulls in all of the staging patches applied during the opw
application process, and some other staging patches that were submitted
during that period of time.  All of these are for 3.14-rc1.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>