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Atheros originally had posted a vendor driver to support
the Atheros AR9170 devices, the driver was called otus [1].
The otus driver was staging quality but it, along with
other chipset documentation helped the community do a rewrite
for a proper driver. Johannes Berg did the ar9170 [2] work and
Christian Lamparter then followed up with some final touches
for inclusion upstream.
The original goal behind ar9170 was to match all functionality,
performance, stability and quality against Otus. In the end this
proved quite challenging even with GPLv2 firmware.
Christian then decided to work on a replacement driver with
new enhancements to the GPLv2 firmware. It took 1 year, 5 months,
9 days since this merge of ar9170usb upstream to release carl9170
with upstream inclusion intentions but its now there.
We remove the Otus driver now as the carl9170 driver actually
ends up not only replacing but superseding the staging Otus driver!
http://wireless.kernel.org/en/users/Drivers/otus
http://wireless.kernel.org/en/users/Drivers/ar9170
http://wireless.kernel.org/en/users/Drivers/carl9170
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This is a patch to the wwrap.c file that removes the initialization
of global variable 'smp_kevent_Lock' to 0
Signed-off-by: Prashant P. Shah <pshah.mumbai@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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init_MUTEX(_LOCKED) and DECLARE_MUTEX are going away. Bulk convert
staging users.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This is a patch to the wwrap.c file that fixes up a brace warnings and
other errors found by the checkpatch.pl tool.
Signed-off-by: Daniele Boncompagni <daniele.boncompagni@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The region set by the call to memset is immediately overwritten by the
subsequent call to memcpy.
The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)
// <smpl>
@@
expression e1,e2,e3,e4;
@@
- memset(e1,e2,e3);
memcpy(e1,e4,e3);
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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implicit slab.h inclusion from percpu.h
percpu.h is included by sched.h and module.h and thus ends up being
included when building most .c files. percpu.h includes slab.h which
in turn includes gfp.h making everything defined by the two files
universally available and complicating inclusion dependencies.
percpu.h -> slab.h dependency is about to be removed. Prepare for
this change by updating users of gfp and slab facilities include those
headers directly instead of assuming availability. As this conversion
needs to touch large number of source files, the following script is
used as the basis of conversion.
http://userweb.kernel.org/~tj/misc/slabh-sweep.py
The script does the followings.
* Scan files for gfp and slab usages and update includes such that
only the necessary includes are there. ie. if only gfp is used,
gfp.h, if slab is used, slab.h.
* When the script inserts a new include, it looks at the include
blocks and try to put the new include such that its order conforms
to its surrounding. It's put in the include block which contains
core kernel includes, in the same order that the rest are ordered -
alphabetical, Christmas tree, rev-Xmas-tree or at the end if there
doesn't seem to be any matching order.
* If the script can't find a place to put a new include (mostly
because the file doesn't have fitting include block), it prints out
an error message indicating which .h file needs to be added to the
file.
The conversion was done in the following steps.
1. The initial automatic conversion of all .c files updated slightly
over 4000 files, deleting around 700 includes and adding ~480 gfp.h
and ~3000 slab.h inclusions. The script emitted errors for ~400
files.
2. Each error was manually checked. Some didn't need the inclusion,
some needed manual addition while adding it to implementation .h or
embedding .c file was more appropriate for others. This step added
inclusions to around 150 files.
3. The script was run again and the output was compared to the edits
from #2 to make sure no file was left behind.
4. Several build tests were done and a couple of problems were fixed.
e.g. lib/decompress_*.c used malloc/free() wrappers around slab
APIs requiring slab.h to be added manually.
5. The script was run on all .h files but without automatically
editing them as sprinkling gfp.h and slab.h inclusions around .h
files could easily lead to inclusion dependency hell. Most gfp.h
inclusion directives were ignored as stuff from gfp.h was usually
wildly available and often used in preprocessor macros. Each
slab.h inclusion directive was examined and added manually as
necessary.
6. percpu.h was updated not to include slab.h.
7. Build test were done on the following configurations and failures
were fixed. CONFIG_GCOV_KERNEL was turned off for all tests (as my
distributed build env didn't work with gcov compiles) and a few
more options had to be turned off depending on archs to make things
build (like ipr on powerpc/64 which failed due to missing writeq).
* x86 and x86_64 UP and SMP allmodconfig and a custom test config.
* powerpc and powerpc64 SMP allmodconfig
* sparc and sparc64 SMP allmodconfig
* ia64 SMP allmodconfig
* s390 SMP allmodconfig
* alpha SMP allmodconfig
* um on x86_64 SMP allmodconfig
8. percpu.h modifications were reverted so that it could be applied as
a separate patch and serve as bisection point.
Given the fact that I had only a couple of failures from tests on step
6, I'm fairly confident about the coverage of this conversion patch.
If there is a breakage, it's likely to be something in one of the arch
headers which should be easily discoverable easily on most builds of
the specific arch.
Signed-off-by: Tejun Heo <tj@kernel.org>
Guess-its-ok-by: Christoph Lameter <cl@linux-foundation.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
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Apparently, the NULL test is not necessary at this point.
The semantic patch that finds this problem is as follows:
(http://www.emn.fr/x-info/coccinelle/)
// <smpl>
@@
type T;
expression E;
identifier i,fld;
statement S;
@@
- T i = E->fld;
+ T i;
... when != E
when != i
if (E == NULL) S
+ i = E->fld;
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Acked-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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As the driver is in mainline now we can remove such dependency.
WIRELESS_EXT is 22 now and it is always defined.
Signed-off-by: Alexander Beregalov <a.beregalov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Signed-off-by: Stoyan Gaydarov <stoyboyker@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Remove some pointless conditionals before kfree_skb().
Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Dependence on kernel version is not needed anymore
if we are in mainline now.
Signed-off-by: Alexander Beregalov <a.beregalov@gmail.com>
Cc: <lrodriguez@atheros.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The #ifdef for version checking is wrong, and we no longer
pass the struct pt_regs to the urb callback functions. This
patch fixes this error.
Cc: Luis Rodriguez <Luis.Rodriguez@Atheros.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Now that netdev->priv is gone, fix things up properly in the otus driver
to use ml_priv as it should have always been doing.
Cc: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Initial dump of the otus USB wireless network driver.
It builds properly, but a lot of work needs to be done cleaning
it up before it can be merged into the wireless driver tree.
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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