Commit Graph

112 Commits

Author SHA1 Message Date
Todd Poynor
21cfa72cdd staging: gasket: interrupt: fix function param line continuation style
Fix multi-line alignment formatting to look like:
      int ret = long_function_name(device, VARIABLE1, VARIABLE2,
                                   VARIABLE3, VARIABLE4);

Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-01 20:07:03 +02:00
Todd Poynor
46b77a6b69 staging: gasket: sysfs: fix function param line continuation style
Fix multi-line alignment formatting to look like:
      int ret = long_function_name(device, VARIABLE1, VARIABLE2,
                                   VARIABLE3, VARIABLE4);

Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-01 20:07:02 +02:00
Todd Poynor
e8c7f19981 staging: gasket: page table: fix function param line continuation style
Fix multi-line alignment formatting to look like:
      int ret = long_function_name(device, VARIABLE1, VARIABLE2,
                                   VARIABLE3, VARIABLE4);

Many of these TODO items were previously cleaned up during the conversion
to standard logging functions.

Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-01 20:07:02 +02:00
Todd Poynor
3e84508313 staging: gasket: ioctl: fix function param line continuation style
Fix multi-line alignment formatting to look like:
      int ret = long_function_name(device, VARIABLE1, VARIABLE2,
                                   VARIABLE3, VARIABLE4);

Many of these TODO items were previously cleaned up during the conversion
to standard logging functions.

Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-01 20:07:02 +02:00
Todd Poynor
88c8a377c0 staging: gasket: core: fix function param line continuation style
Fix multi-line alignment formatting to look like:
      int ret = long_function_name(device, VARIABLE1, VARIABLE2,
                                   VARIABLE3, VARIABLE4);

Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-01 20:07:02 +02:00
Todd Poynor
6d2bd645cb staging: gasket: TODO: remove entry for static function declarations
The static function declarations are removed, remove the TODO file entry
for this.

Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-01 20:07:02 +02:00
Todd Poynor
00b60c8d9e staging: gasket: pg tbl: remove static function forward declarations
Remove forward declarations of static functions, move code to avoid
forward references, for kernel style.

Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-01 20:07:02 +02:00
Todd Poynor
d821f8eb92 staging: gasket: interrupt: remove static function forward declarations
Remove forward declarations of static functions, move code to avoid
forward references, for kernel style.

Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-01 20:07:02 +02:00
Todd Poynor
ea174ccd2a staging: gasket: ioctl: remove static function forward declarations
Remove forward declarations of static functions, move code to avoid
forward references, for kernel style.

Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-01 20:07:02 +02:00
Todd Poynor
80666096eb staging: gasket: core: remove static function forward declarations
Remove forward declarations of static functions, move code to avoid
forward references, for kernel style.

Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-01 20:07:02 +02:00
Todd Poynor
26fd80ead0 staging: gasket: apex: fix function param line continuation style
Fix multi-line alignment formatting to look like:
      int ret = long_function_name(device, VARIABLE1, VARIABLE2,
                                   VARIABLE3, VARIABLE4);

Many of these TODO items were previously cleaned up during the conversion
to standard logging functions.

Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-30 10:54:51 +02:00
Todd Poynor
c76b15fe7b staging: gasket: apex: remove static function forward declarations
Remove forward declarations of static functions, move code to avoid
forward references, for kernel style.

Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-30 10:54:51 +02:00
Todd Poynor
8b8a93885d staging: gasket: TODO: remove entry for static function kernel docs
Remove the TODO entry for simplifying kernel doc style comments for
static functions, now that this has been addressed.

Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-30 10:54:51 +02:00
Todd Poynor
cef7330217 staging: gasket: sysfs: simplify comments for static functions
Static functions don't need kernel doc formatting, can be simplified.
Reformat comments that can be single-line.  Remove extraneous text.

Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-30 10:54:51 +02:00
Todd Poynor
e4c4afa8db staging: gasket: interrupt: simplify comments for static functions
Static functions don't need kernel doc formatting, can be simplified.
Reformat comments that can be single-line.  Remove extraneous text.

Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-30 10:54:51 +02:00
Todd Poynor
4808848601 staging: gasket: page table: simplify comments for static functions
Static functions don't need kernel doc formatting, can be simplified.
Reformat comments that can be single-line.  Remove extraneous text.

Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-30 10:54:51 +02:00
Todd Poynor
73832cf08f staging: gasket: ioctl: simplify comments for static functions
Static functions don't need kernel doc formatting, can be simplified.
Reformat comments that can be single-line.  Remove extraneous text.

Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-30 10:54:51 +02:00
Todd Poynor
f975c995e7 staging: gasket: core: simplify comments for static functions
Static functions don't need kernel doc formatting, can be simplified.
Reformat comments that can be single-line.  Remove extraneous text.

Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-30 10:54:50 +02:00
Todd Poynor
904bb9ccf3 staging: gasket: apex: simplify comments for static functions
Static functions don't need kernel doc formatting, can be simplified.
Reformat comments that can be single-line.  Remove extraneous text.

Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-30 10:54:50 +02:00
Todd Poynor
f9a4963019 staging: gasket: core: allow root access based on user namespace
Use user namespace to determine whether gasket device file opener is
root, allowing root access to containers, if necessary.

Reported-by: Dmitry Torokhov <dtor@chromium.org>
Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-30 10:54:50 +02:00
Todd Poynor
dd9d1502fe staging: gasket: page table: hold references to device and pci_dev
Hold references to the struct device and the pci_dev for the page table
while the data structures contian pointers to these.

Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-30 10:54:50 +02:00
Todd Poynor
34cf3ea8da staging: gasket: sysfs: hold reference to device while in use
Hold a reference to the struct device while a gasket sysfs mapping
exists for the device and a pointer to the struct is kept in the mapping
data structures.

Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-30 10:54:50 +02:00
Todd Poynor
8dd8a48b9a staging: gasket: core: hold reference to pci_dev while used
Hold a reference on the struct pci_dev while a pointer to it is held in
the gasket data structures.

Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-30 10:54:50 +02:00
Dmitriy Cherkasov
bb8a14a3d8 staging: gasket: use NULL instead of 0 for null pointer
Fixes sparse warning: Using plain integer as NULL pointer

Signed-off-by: Dmitriy Cherkasov <dmitriy@oss-tech.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-29 08:05:45 +02:00
Todd Poynor
5b6e80cc98 staging: gasket: core: hold reference on device while in use
Hold a reference on the struct device while a pointer to that
device is in use by gasket.

Reported-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-29 08:05:45 +02:00
Todd Poynor
758c579ec6 staging: gasket: page table: remove code for "no dma_ops"
Remove code with TODOs on it for working around apparent problems
previously seen in a qemu environment where dma_ops was not set
correctly.  There is no user of this in the current code.

Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-28 09:24:10 +02:00
Todd Poynor
14d7022977 staging: gasket: sysfs: remove unnecessary NULL check on device ptr
The device pointer passed into get_mapping() will never be NULL; the
check is unnecessary.

Reported-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-28 09:24:10 +02:00
Todd Poynor
f390d08d8b staging: gasket: apex: fixup undefined PCI class
Apex chips with class 0 (PCI_CLASS_NOT_DEFINED) fixed up to
PCI_CLASS_SYSTEM_OTHER to enable PCI resource assignments.

Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-28 09:24:10 +02:00
Todd Poynor
e7cffa03b3 staging: gasket: sysfs: remove check for refcount already zero
Remove the check for refcount already zero, which shouldn't be
necessary.

Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-28 09:24:10 +02:00
Todd Poynor
330e5f2425 staging: gasket: don't print device addresses as kernel pointers
Print device addresses as unsigned long, not as kernel pointers.

Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-27 17:09:18 +02:00
Todd Poynor
e8742fc322 staging: gasket: TODO: remove entry for convert to standard logging
Gasket/apex drivers now use standard logging, remove TODO entry for
this.

Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-27 17:09:17 +02:00
Todd Poynor
76fe4ae0e7 staging: gasket: remove gasket logging header
Gasket logging functions no longer used.

Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-27 17:09:17 +02:00
Todd Poynor
3ed768ea90 staging: gasket: apex: convert to standard logging
Drop gasket logging calls in favor of standard logging.

Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-27 17:09:17 +02:00
Todd Poynor
0f647805c0 staging: gasket: sysfs: convert to standard logging
Drop gasket logging calls in favor of standard logging.

Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-27 17:09:17 +02:00
Todd Poynor
c423d34478 staging: gasket: page table: convert to standard logging
Replace gasket logging calls with standard logging calls.

Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-27 17:09:17 +02:00
Todd Poynor
e25bed80b6 staging: gasket: ioctl: convert to standard logging
Replace gasket logging calls with standard logging calls.

Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-27 17:09:17 +02:00
Todd Poynor
952b02a281 staging: gasket: interrupt: convert to standard logging
Convert gasket logging calls to standard functions.

Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-27 17:09:17 +02:00
Todd Poynor
803ff424e4 staging: gasket: core: convert to standard logging
Use standard logging functions, drop use of gasket log functions.

Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-27 17:09:17 +02:00
Todd Poynor
6cefe675f1 staging: gasket: save struct device for a gasket device
Save the struct device pointer to a gasket device in gasket's metadata,
to facilitate use of standard logging calls and in anticipation of
non-PCI gasket devices in the future.

Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-27 17:09:16 +02:00
Ivan Bornyakov
24b9bdff8d staging: gasket: use vzalloc instead of vmalloc/memset
Use vzalloc instead of vmalloc followed by memset with 0.

Signed-off-by: Ivan Bornyakov <brnkv.i1@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-24 13:57:31 +02:00
Todd Poynor
afa9e31818 staging: gasket: apex: convert various logs to debug level
Debugging information is improperly logged at non-debug log level in a
number of places, and some logs regarding error conditions may be
generated too frequently, such that these could cause performance
problems and/or obscure other logs.  Convert these to debug log level.

Signed-off-by: Zhongze Hu <frankhu@chromium.org>
Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-24 13:56:46 +02:00
Todd Poynor
0322bad3b5 staging: gasket: page table: remove unnecessary logs
Some error logs in page table handling code could only be hit in
cases of programming errors not expected in the current code base, and
aren't likely to be useful on their own.  Remove these.

Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-24 13:56:46 +02:00
Todd Poynor
37d7b0efab staging: gasket: page table: convert various logs to debug level
Debugging information is improperly logged at non-debug log level in a
number of places, and some logs regarding error conditions may be
generated too frequently, such that these could cause performance
problems and/or obscure other logs.  Convert these to debug log level.

Signed-off-by: Zhongze Hu <frankhu@chromium.org>
Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-24 13:56:46 +02:00
Todd Poynor
1d079f20d5 staging: gasket: ioctl common: convert various logs to debug level
Debugging information is improperly logged at non-debug log level in a
number of places, and some logs regarding error conditions may be
generated too frequently, such that these could cause performance
problems and/or obscure other logs.  Convert these to debug log level.

Signed-off-by: Zhongze Hu <frankhu@chromium.org>
Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-24 13:56:46 +02:00
Todd Poynor
040c626008 staging: gasket: interrupts: convert various logs to debug level
Debugging information is improperly logged at non-debug log level in a
number of places, and some logs regarding error conditions may be
generated too frequently, such that these could cause performance
problems and/or obscure other logs.  Convert these to debug log level.

Signed-off-by: Zhongze Hu <frankhu@chromium.org>
Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-24 13:56:46 +02:00
Todd Poynor
6b18580bad staging: gasket: core: convert various logs to debug level
Debugging information is improperly logged at non-debug log level in a
number of places, and some logs regarding error conditions may be
generated too frequently, such that these could cause performance
problems and/or obscure other logs.  Convert these to debug log level.

Signed-off-by: Zhongze Hu <frankhu@chromium.org>
Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-24 13:56:46 +02:00
Todd Poynor
b0e66fb7ba staging: gasket: apex return error on sysfs show of missing attribute
Apex sysfs show function return -ENODEV if the attribute is not present,
rather than silently failing from the standpoint of the userspace
accessor.

Reported-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-24 13:56:46 +02:00
Todd Poynor
e2f00f0b98 staging: gasket: gasket_get_device drop check for NULL pci_dev
The pci_dev field of a struct gasket_dev can never be NULL, there's no
need to check for this in gasket_get_device().

Reported-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-24 13:56:46 +02:00
Todd Poynor
99ccddf5af staging: gasket: remove unnecessary NULL checks on calls from VFS
Remove unneeded checks for NULL pointers in struct file pointers passed
from the VFS layer or the private_data that must have been properly set
at file open time.

Reported-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-24 13:56:46 +02:00
Todd Poynor
a1978fa2d6 staging: gasket: print mmap starting address as unsigned long
Page alignment error log should print the offending value as an unsigned
long, not as a kernel pointer.

Reported-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-24 13:56:46 +02:00