staging: fix intel_sst/intelmid sound build

SND_INTELMID selects 3 SND_* kconfig symbols, but that is useless
if the SOUND & SND symbols in their hierarchy are not enabled,
so make this symbol depend on SOUND & SND.

ERROR: "snd_pcm_period_elapsed" [drivers/staging/intel_sst/snd-intelmid.ko] undefined!
ERROR: "snd_card_create" [drivers/staging/intel_sst/snd-intelmid.ko] undefined!
ERROR: "snd_pcm_hw_constraint_integer" [drivers/staging/intel_sst/snd-intelmid.ko] undefined!
ERROR: "snd_device_new" [drivers/staging/intel_sst/snd-intelmid.ko] undefined!
ERROR: "snd_pcm_set_ops" [drivers/staging/intel_sst/snd-intelmid.ko] undefined!
ERROR: "snd_jack_new" [drivers/staging/intel_sst/snd-intelmid.ko] undefined!
ERROR: "snd_pcm_lib_free_pages" [drivers/staging/intel_sst/snd-intelmid.ko] undefined!
ERROR: "snd_pcm_lib_ioctl" [drivers/staging/intel_sst/snd-intelmid.ko] undefined!
ERROR: "snd_pcm_lib_malloc_pages" [drivers/staging/intel_sst/snd-intelmid.ko] undefined!
ERROR: "snd_ctl_new1" [drivers/staging/intel_sst/snd-intelmid.ko] undefined!
ERROR: "snd_pcm_lib_preallocate_pages_for_all" [drivers/staging/intel_sst/snd-intelmid.ko] undefined!
ERROR: "snd_card_free" [drivers/staging/intel_sst/snd-intelmid.ko] undefined!
ERROR: "snd_card_register" [drivers/staging/intel_sst/snd-intelmid.ko] undefined!
ERROR: "snd_jack_report" [drivers/staging/intel_sst/snd-intelmid.ko] undefined!
ERROR: "snd_pcm_new" [drivers/staging/intel_sst/snd-intelmid.ko] undefined!
ERROR: "snd_ctl_add" [drivers/staging/intel_sst/snd-intelmid.ko] undefined!

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: brcm80211: Remove BUSTYPE macro

BUSTYPE isn't used in this configuration.

Signed-off-by: Brett Rudley <brudley@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: brcm80211: remove unused dhd_ops_virt variable definition

The variable dhd_ops_virt was used before although its use was rather
limited as can be found in previous commit:

| commit 4fd68ae1a558043a2cc4ea2faf7235e71c3241aa
| Author: Julia Lawall <julia@diku.dk>
| Date:   Tue Oct 26 12:25:33 2010 +0200
|
|    drivers/staging/brcm80211/brcmfmac/dhd_linux.c: delete double assignment
|

Reviewed-by: Roland Vossen <rvossen@broadcom.com>
Reviewed-by: Brett Rudley <brudley@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: brcm80211: remove some more packet related macros

macros PKTHEADROOM and PKTTAILROOM have been replaced by native
skbuff functions and macros PKTALLOCED and PKTUNALLOC have been
removed.

Reviewed-by: Roland Vossen <rvossen@broadcom.com>
Reviewed-by: Brett Rudley <brudley@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: brcm80211: removed packet macros for accessing sk_buff fields

With the packet storage type changed from void pointer to struct sk_buff
pointer there is no need for macros for accessing these fields through
casting. These can now be accessed directly.

Reviewed-by: Brett Rudley <brudley@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: brcm80211: change packet buffer type to native struct sk_buff

The packet queues now store struct sk_buff pointer and subsequently
all driver code handling packets now use struct sk_buff as package
storage type. Next step will be getting rid of packet macros.

Reviewed-by: Brett Rudley <brudley@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: brcm80211: remove unneccessary packets funtion prototype

The prototype for function pktsegcnt in bmcutils.h is not defined
nor used anywhere in the driver so it can be removed.

Reviewed-by: Brett Rudley <brudley@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: brcm80211: add include file for using semaphore related definitions

Source wl_iw.c uses semaphore definitions and as such should include
<linux/semaphore.h>.

Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: brcm80211: OSL shrink: Remove OSL_PCI_READ/WRITE_CONFIG

Replace OSL layer PCI READ/WRITE macros with native calls.

Signed-off-by: Brett Rudley <brudley@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Merge branch 'work' into staging-next

Staging: sep: do not select the driver by default

The Kconfig file should not have 'y' as the default, especially
as the driver will crash a machine if it is loaded and the hardware
is not present.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Mark Allyn <mark.a.allyn@intel.com>
Cc: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Staging: sep: do not select the driver by default

The Kconfig file should not have 'y' as the default, especially
as the driver will crash a machine if it is loaded and the hardware
is not present.

Cc: Mark Allyn <mark.a.allyn@intel.com>
Cc: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Staging: sep: Fix crash if a device is not found

The existing code works mostly by luck. The PCI probe is done by the
register and completes before the register returns thus allowing the other
init code to run in time. Without a SEP or if unlucky this doesn't occur
and you get an OOPS which for some reason causes grumpiness.

As the season of good b^Hcheer is supposed to be approaching we should
probably fix it.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Staging: sep: clean up a couple of spots missed in pass one

Another copy_user case and some formatting of dbg

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Staging: sep: cant is an angular inclination

So use can't instead.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Staging: sep: Make SEP consistent

SEP is initials so make it consistent in the driver, ditto DMA and DCB
Consistent capitalisation of comment leads

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Staging: sep: Use kzalloc when needed

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Staging: sep: clean up some of the obvious sillies

Various assignments are done but not used
dev_dbg formatting is a bit weird and wraps when not needed
Take out some of the blank lines and reformat a bit to reduce view size
Remove some comments that are obvious
Fix else formatting
Remove some user triggerable dev_warns
Fix copy_from_user error return cases (-EFAULT not bytes copied)

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Staging: sep: Fix the kernel-doc in SEP

The long blurb goes at the end

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Staging: sep: clean up caller_id function

This is called on a kmalloc/memset object. Remove everything that isn't a
set to zero

Oh look 8)

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Staging: sep: netlink - what netlink

Kill unused stuff

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Staging: sep: handle the memrar stuff in the headers

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Staging: sep: handle the rar definition stuff in the header

SEP isn't the only driver that may need to handle both cases easily

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Staging: sep: minimal fix for wrong include

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Staging: sst: add ioctls for post processing algorithm interface

This patch adds two new ioctls to intel_sst_ctrl device.
This i/f can be used by application to send algorithm parameters

Signed-off-by: Vinod Koul <vinod.koul@intel.com>
[This will need further discussion in the context of the final ALSA interface
 but is fine for staging, ie anyone who relies on it should expect changes
 Also fixed a missing kmalloc fail check]
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Staging: sst: Construct fw string name runtime

The firmware name for each platform is appended by PCI id of device.
This patch makes use of pci id to construct the string rather than
hardcode the string.

Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Staging: sst: Add runtime PM support

This adds runtime PM support for audio driver.
This also fixes LPA audio mode for moorestown platform

Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Staging: batman-adv: Use kernel functions to identify broadcasts

linux/etherdevice.h already provides functions to classify different
ethernet addresses. These inlineable functions should be used instead of
custom functions.

The check for multicast together with multicast can also be replaced
with a single test for multicast because for every ethernet address x
following is always true:

is_broadcast_ether_addr(x) => is_multicast_ether_addr(x)

or when looking more at the implementation:

(FF:FF:FF:FF:FF:FF == x) => [(01:00:00:00:00:00 & x) != 00:00:00:00:00:00]

Reported-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Sven Eckelmann <sven.eckelmann@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Staging: batman-adv: Use kernel version min macro

The kernel headers already provide different versions of a min/max macro
which should be used by all modules according to
Documentation/CodingStyle.

Signed-off-by: Sven Eckelmann <sven.eckelmann@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Staging: batman-adv: add gateway IPv6 support by filtering DHCPv6 messages

Some additional checks will be needed in case of extension headers
like the fragmentation or hop-by-hop (for jumbo frames for example)
headers or ipsec stuff. But this patch should do for most people
for now, the rest can be added with a later one.

Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Acked-by: Linus Lüssing <linus.luessing@web.de>
Signed-off-by: Sven Eckelmann <sven.eckelmann@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Staging: batman-adv: best gw DHCP filter 802.1Q support

The DHCP filter inspects packets to determine whether or not to send
them via ethernet unicast. This patch adds 802.1Q (vlan) support for
this check.

Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
[sven.eckelmann@gmx.de: Rework on top of current version]
Signed-off-by: Sven Eckelmann <sven.eckelmann@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Staging: batman-adv: send DHCP requests directly to the chosen gw

If the gateway client mode is active batman-adv will send the
broadcasted DHCP requests via unicast to the currently selected best
gateway. Therefore attached clients can profit from batman's knowledge
about the network topology.

Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
[sven.eckelmann@gmx.de: Rework on top of current version]
Signed-off-by: Sven Eckelmann <sven.eckelmann@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Staging: batman-adv: adding gateway functionality

Via the /sys filesystem you can change the gateway mode of a node using
gw_mode. Adjustments to it can be done using gw_bandwidth for server
mode and gw_sel_class for client mode.

Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
[sven.eckelmann@gmx.de: Rework on top of current version]
Signed-off-by: Sven Eckelmann <sven.eckelmann@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Staging: batman-adv: Limit spin_locks to spin_lock_bh

spin_lock_irqsave disables the IRQs and stores them inside the flags
provided by the caller. This is needed to protect a bottom half handler
or a user context critical section from being interrupted by an
interrupt handler which also tries to acquire the spinlock and locks
forever.

The linux device drivers will receive the packets inside an interrupt
handler and the network infrastructure will process them inside bottom
half. Thus batman-adv will only run in user context and bottom half
handlers. We can conclude that batman-adv doesn't share its own
spinlocks with real interrupt handlers.

This makes it possible to exchange the quite complex spin_lock_irqsave
with spin_lock_bh which only stops bottom halves from running on the
current cpu, but allows interrupt handlers to take over to keep the
interrupt latency low.

Signed-off-by: Sven Eckelmann <sven.eckelmann@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Staging: batman-adv: Rewrite hash using hlist_*

The hash implementation is a complete implementation of a hash using
buckets as hash entries and overflow buckets attached to them.

The kernel already provides datastructures hlist_head and hlist_node
which can be used to implement an hash using lists as hash buckets. So
it is better to implement heavily used functionality on top of those
instead of providing a full hash implementation.

The rewrite changes the behavior of some functions slightly:
 * hash_add add elements to the front instead of the tail
 * hash_iterate doesn't provide pointer to access bucket->data directly,
   but it can be accessed using hlist_entry

Reported-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sven Eckelmann <sven.eckelmann@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Staging: batman-adv: Make hash_iterate inlineable

hash_iterate is next to the function pointers the most called function
related to hashes which benefits from inlining as it is uses in loops.

Reported-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sven Eckelmann <sven.eckelmann@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Staging: batman-adv: Move hash callback related function to header

To enable inlining of the function pointers hashdata_choose_cb,
hashdata_choose_cb and hashdata_free_cb, also the hash functions which
uses them must be inlined by the called function.

This should increase the performance, but also increases the size of the
generated machine code slightly.

Reported-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sven Eckelmann <sven.eckelmann@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Staging: batman-adv: Remove hashdata_choose_cb from hash

Function pointers cannot be inlined by a compiler and thus always has
the overhead of an call. hashdata_choose_cb's are one of the most often
called function pointers and its overhead must kept relative low.

As first step, every function which uses this function pointer takes it
as parameter instead of storing it inside the hash abstraction
structure.

This not generate any performance gain right now. The called functions
must also be able to be inlined by the calling functions to enable
inlining of the function pointer.

Reported-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sven Eckelmann <sven.eckelmann@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Staging: batman-adv: Remove hashdata_compare_cb from hash

Function pointers cannot be inlined by a compiler and thus always has
the overhead of an call. hashdata_compare_cb's are one of the most often
called function pointers and its overhead must kept relative low.

As first step, every function which uses this function pointer takes it
as parameter instead of storing it inside the hash abstraction
structure.

This not generate any performance gain right now. The called functions
must also be able to be inlined by the calling functions to enable
inlining of the function pointer.

Reported-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sven Eckelmann <sven.eckelmann@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Staging: batman-adv: Make hop_penalty configurable via sysfs

When having a mixed topology of both very mobile and rather static
nodes, you are usually best advised to set the originator interval on
all nodes to a level best suited for the most mobile node.

However, if most of the nodes are rather static, this can create a lot
of undesired overhead as a trade-off then. If setting the interval too
low on the static nodes, a mobile node might be chosen as a router for
too long, not switching away from it fast enough because of its
mobility and the low frequency of ogms of static nodes.

Exposing the hop_penalty is especially useful for the stated scenario: A
static node can keep the default originator interval, a mobile node can
select a quicker one resulting in faster route updates towards this
mobile node. Additionally, such a mobile node could select a higher hop
penalty (or even set it to 255 to disable acting as a router for other
nodes) to make it less desirable, letting other nodes avoid selecting
this mobile node as a router.

Signed-off-by: Linus Lüssing <linus.luessing@ascom.ch>
Signed-off-by: Sven Eckelmann <sven.eckelmann@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Staging: batman-adv: Ommit storing struct device in sysfs functions

We actually do not need an extra struct device variable, therefore
replacing them with defines that directly get the bat_priv or
net_device. This further reduces the code size in bat_sysfs.c and
especially shortens some macros.

Signed-off-by: Linus Lüssing <linus.luessing@web.de>
Signed-off-by: Sven Eckelmann <sven.eckelmann@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Staging: batman-adv: Wrapper functions for sysfs storing

Sysfs configuration options that just took a boolean value
(enable(d)/disable(d)/0/1) and integer setting basically all had the same
structure.

To avoid even more copy and pasting in the future and to make introducing
new configuration parameters for batman-adv simpler, more generic
wrapper functions are being introduced with this commit. They can deal with
boolean and unsigned integer parameters, storing them in the specified
atomic_t variables.

Signed-off-by: Linus Lüssing <linus.luessing@web.de>
Signed-off-by: Sven Eckelmann <sven.eckelmann@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Staging: batman-adv: Unify sysfs file names with their bat_priv atomics

Both sysfs entries and variable names shall be as descriptive as
possible while not exceeding a certain length. This patch renames
bat_priv atomics to be equally descriptive with their according sysfs
entries.

Unifying sysfs and bat_priv atomic names also makes it easier to find
each others pendant.

The reduced ("type"-)information which was previously indicated with a
_enabled for booleans got substituted by a comment in bat_priv.

This patch has also been done in regards for the future BAT_ATTR_*
macros (they only need one name argument instead of a file and variable
name).

Signed-off-by: Linus Lüssing <linus.luessing@web.de>
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Signed-off-by: Sven Eckelmann <sven.eckelmann@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Staging: batman-adv: softif bridge loop avoidance

By connecting multiple batman-adv mesh nodes to the same ethernet
segment a loop can be created when the soft-interface is bridged
into that ethernet segment. A simple visualization of the loop
involving the most common case - a LAN as ethernet segment:

node1  <-- LAN  -->  node2
   |                   |
 wifi  <-- mesh -->  wifi

Packets from the LAN (e.g. ARP broadcasts) will circle forever from
node1 or node2 over the mesh back into the LAN.

This patch adds the functionality to detect other batman-adv nodes
connected to the LAN and select a 'gateway' to talk to the
non-batman-adv devices on this LAN. All traffic from and to the mesh
will be handled by this gateway to avoid the loop. OGMs received via
the soft-interface are interpreted as 'port announcements' to locate
potential batman-adv nodes. The patch can also deal with vlans on
top of batX and offers a list of LAN neighbors via debugfs.

Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
[sven.eckelmann@gmx.de: Rework on top of current version]
Signed-off-by: Sven Eckelmann <sven.eckelmann@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Staging: batman-adv: reassemble fragmented skb if mtu allows it

Signed-off-by: Andreas Langer <an.langer@gmx.de>
Signed-off-by: Sven Eckelmann <sven.eckelmann@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Staging: batman-adv: fragment forwarded packets

If a packet is too big to be forwarded over an interface it will be
fragmented on-the-fly (if fragmentation is enabled).

Signed-off-by: Andreas Langer <an.langer@gmx.de>
Signed-off-by: Sven Eckelmann <sven.eckelmann@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Staging: batman-adv: remove redundant is_my_mac() check in route_unicast_packet

Callers should check the if the received packet is for us before it
calls route_unicast_packet.

Signed-off-by: Andreas Langer <an.langer@gmx.de>
Signed-off-by: Sven Eckelmann <sven.eckelmann@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Staging: batman-adv: move skb reassembly of fragmented packets into dedicated function

Signed-off-by: Andreas Langer <an.langer@gmx.de>
Signed-off-by: Sven Eckelmann <sven.eckelmann@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Staging: batman-adv: add frag_ prefix to all fragmentation related functions

Signed-off-by: Andreas Langer <an.langer@gmx.de>
Signed-off-by: Sven Eckelmann <sven.eckelmann@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Staging: batman-adv: restructure fragmentation to handle batman unicast packets

The unicast_frag_send_skb() function expected 'raw' packets (without any
batman-adv header) to fragment them. This needs to be changed, so that
this function is able to fragment packets that already traveled inside
the mesh but need to be fragmented now.

Signed-off-by: Andreas Langer <an.langer@gmx.de>
Signed-off-by: Sven Eckelmann <sven.eckelmann@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Staging: batman-adv: use rcu callbacks when freeing batman_if

Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Signed-off-by: Sven Eckelmann <sven.eckelmann@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Staging: batman-adv: convert batman_if custom refcounting to kref functions

Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Signed-off-by: Sven Eckelmann <sven.eckelmann@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Staging: batman-adv: Don't remove interface with spinlock held

We call a lot of the netdevice code when holding if_list_lock which will
spin the whole time. This is not necessary because we only want to
protect the access to the list to be serialized. An extra queue can be
used which hold all interfaces which should be removed and then use that
queue without any locks for netdevice cleanup.

Reported-by: Rafal Lesniak <lesniak@eresi-project.org>
Signed-off-by: Sven Eckelmann <sven.eckelmann@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Staging: batman-adv: Add new sysfs files to README

Signed-off-by: Sven Eckelmann <sven.eckelmann@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Staging: batman-adv: ensure that eth_type_trans gets linear memory

eth_type_trans tries to pull data with the length of the ethernet header
from the skb. We only ensured that enough data for the first ethernet
header and the batman header is available in non-paged memory of the skb
and not for the ethernet after the batman header.

eth_type_trans would fail sometimes with drivers which don't ensure that
all there data is perfectly linearised.

Reported-by: Rafal Lesniak <lesniak@eresi-project.org>
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Signed-off-by: Sven Eckelmann <sven.eckelmann@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Staging: batman-adv: Replace Andrew Lunn as Staging maintainer

Andrew Lunn didn't submit patches to staging since a while and may not
be the right person for new patches.

Signed-off-by: Sven Eckelmann <sven.eckelmann@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: iio: dac: ad5446: Remove unused sign member from chip specific information structure

Remove unused sign member from chip specific information structure
Fix typos

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: iio: dac: ad5446: Enable driver support for AD5620/AD5640/AD5660 DA converters

Initial support for single channel, 12-/14-/16-Bit nanoDAC with On-Chip Reference

staging: iio: dac: ad5446: Fix according to review feedback

Review feedback by Jonathan Cameron:
Use kernel doc style to document headers.
Turn data into a union
Add some comments for clarity

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: iio: documentation rewrite and cleanup of sysfs documetation

Change to capital syntax for documetation e.g. 'inX-inY_raw'
Use multiple 'What:' entries rather than wild cards or options so
as to make the documentation clearer and easier to search.
Some trivial spelling fixes.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: iio: adis16260 add suppport for adis16255 and adis16250.

Unusual element is addition of 'negate' and 'axis' platform data
to ensure we support all the functionality of the adis16255 driver
currently in staging.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Matthias Brugger <mensch0815@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: iio: adis16260 add id table support

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: iio: adc: Enable driver support for ad7887 AD converter

Enable support for AD7887:  SPI Micropower, 2-Channel, 125 kSPS, 12-Bit ADC

staging: iio: adc: Fix according to review feedback

Review feedback by Jonathan Cameron:
Combine statements.
Document struct members.
Remove redundant variable initialization.
Simplify multichannel scan from ring logic.
Fix coding style.

[v2]
staging: iio: adc: ad7887: Fix typos

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: iio: dac: Enable driver support for AD5444 and AD5446 DA converters

Enable support for AD5444 and AD5446:  12-/14-Bit High Bandwidth
Multiplying DACs with Serial Interface.

staging: iio: dac: Add support for AD5541A, AD5512A digital to analog convertors

staging: iio: dac: Fix according to review feedback

Review feedback by Jonathan Cameron:
Remove spurious new line.
Document struct members.
Remove redundant variable initialization.

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: brcm80211: remove duplicated #include

Remove duplicated #include('s) in
  drivers/staging/brcm80211/brcmfmac/wl_cfg80211.c

Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

sst: log error returned by scu ipc read/write

scu ipc driver fails sometimes to read/write. This add logs with register
addr and ret code when these errors occur.

Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

sst: Firmware error codes force number values

To avoid mismatch in driver and firmware error codes assign specfic values
to each enum.

Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

sst: Change the SST driver PCM interface

The PCM interface in SST driver is cmds only, this patch changes the interface to open, close and cmd interface.
This allows SST driver to keep easy track of handles open

Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Staging: sep: Introduce sep driver

This driver is for the Security Processor, a dedicated encryption
and decryption driver that is used on the Intel mobile platform.

This has been checked with checkpatch and there are four
warnings for lines over 80 charactors.

There is one compile warning. This is for a function that is
only used if the rar register driver is needed. There is an
ifdef in a header file that stubs out the rar register driver
if the rar register is not configured.

This driver does add a configuration, which is CONFIG_DX_SEP.

Signed-off-by: Mark Allyn <mark.a.allyn@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: clearpad_tm1217 depends on INPUT

clearpad_tm1217 driver uses many input_() interfaces, so it should
depend on INPUT.

clearpad_tm1217.c:(.text+0xf19ac): undefined reference to `input_unregister_device'
clearpad_tm1217.c:(.text+0xf1b19): undefined reference to `input_event'
clearpad_tm1217.c:(.text+0xf1b31): undefined reference to `input_event'
clearpad_tm1217.c:(.text+0xf1bb4): undefined reference to `input_event'
clearpad_tm1217.c:(.text+0xf1bf2): undefined reference to `input_event'
drivers/built-in.o:clearpad_tm1217.c:(.text+0xf1c08): more undefined references to `input_event' follow
clearpad_tm1217.c:(.text+0xf1df3): undefined reference to `input_allocate_device'
clearpad_tm1217.c:(.text+0xf1eac): undefined reference to `input_set_abs_params'
clearpad_tm1217.c:(.text+0xf1ed1): undefined reference to `input_set_abs_params'
clearpad_tm1217.c:(.text+0xf1ed8): undefined reference to `input_register_device'
clearpad_tm1217.c:(.text+0xf2040): undefined reference to `input_unregister_device'
clearpad_tm1217.c:(.text+0xf204b): undefined reference to `input_free_device'

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Ramesh Agarwal <ramesh.agarwal@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: ft1000: Fix compilation warning.

This patch fix following warning:
drivers/staging/ft1000/ft1000-usb/ft1000_usb.c:67:22:
warning: ‘pft1000info’ may be used uninitialized in this function

Signed-off-by: Marek Belisko <marek.belisko@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: iio: dac: Cleanup style - no functional changes

Stick to the 80 character line limit at least for code

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: iio: dac: Use spi_device_id

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: iio: dac: Use spi_write() and handle return value

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: iio: dac: Update drivers to use new attribute naming

Remove depreciated macro from header

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: iio: dac: more consistent DAC sysfs attributes naming

Align DAC sysfs attributes naming with the convention used by ADC

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: brcm80211: stragglers not handled by unifdef

Part of BMAC removal.

Signed-off-by: Brett Rudley <brudley@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: brcm80211: unifdef -UBCMSDIO

Part of BMAC removal.

Signed-off-by: Brett Rudley <brudley@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: brcm80211: remove bmac-only header files

Part of BMAC removal.

Signed-off-by: Brett Rudley <brudley@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: brcm80211: unifdef -UWLC_SPLIT

Part of BMAC removal.

Signed-off-by: Brett Rudley <brudley@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: brcm80211: unifdef -DWLC_LOW

Part of BMAC removal.

Signed-off-by: Brett Rudley <brudley@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: brcm80211: unifdef -UWLC_LOW_ONLY

Part of BMAC removal.

Signed-off-by: Brett Rudley <brudley@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: brcm80211: unifdef -UWLC_HIGH_ONLY

Part of BMAC removal.

Signed-off-by: Brett Rudley <brudley@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: brcm80211: replaced PKTSETLEN macro by native __skb_trim call

- removed PKTSETLEN macro and used __skb_trim call instead.
- removed unused macros PKTSETPOOL and PKTPOOL

Reviewed-by: Henry Ptasinski <henryp@broadcom.com>
Reviewed-by: Brett Rudley <brudley@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: brcm80211: replace PKTPUSH and PKTPULL macros with native skbuff calls

Replacing PKTPUSH by skb_push() call and PKTPULL by skb_pull() call to make
it obvious what the operation is doing with the packet.

Reviewed-by: Henry Ptasinski <henryp@broadcom.com>
Reviewed-by: Brett Rudley <brudley@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: brcm80211: brcmfmac: cleanup bcmsdh_(un)register

Signed-off-by: Mike Rapoport <mike.rapoport@gmail.com>
Signed-off-by: Brett Rudley <brudley@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: brcm80211: brcmfmac: remove PCI SDIO controller binding

Signed-off-by: Mike Rapoport <mike.rapoport@gmail.com>
Signed-off-by: Brett Rudley <brudley@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

sst: remove rest of aava bits and aava related code

This removes the remaining bit of aava dependent and related bits from driver

Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: spectra: asynchronous init

The spectra nand driver takes quite some time to initialize because
it needs to scan the whole nand disk to find the latest block table.
This patch initializes the spectra nand driver asynchronously so that
other things in the kernel can initialize in parallel to the scanning
operation.

Signed-off-by: Yong Wang <yong.y.wang@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: spectra: move all init logic into nand_pci_probe

Currently there are some driver initialization logic that
is not part of nand_pci_probe function. This will result in
that part of driver initialization code executing even on
platforms without the corresponding hardware which is always
dangerous.

Signed-off-by: Chuanxiao Dong <chuanxiao.dong@intel.com>
Signed-off-by: Yong Wang <yong.y.wang@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Staging: ft1000-usb: freeing uninitialized pointer

GCC complains that if (info->CardReady) is false we kfree() an
uninitialized pointer.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: brcm80211: nicpci.c: replace osl based PCI calls with native linux pci calls

Get rid of the private PCI access routines and replace with standard calls from linux/pci.h in nicpci.c

(The private versions are still used in siutils.c... for now)

Signed-off-by: Brett Rudley <brudley@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: brcm80211: s/osl_t/struct osl_info/g

Do the substitution (and then fix all the dang lines that were pushed past 80 columns.)

Some of the touched lines triggered checkpatch warnings for completely unrelated
reasons that were already there. Those will have to be addressed later.

Signed-off-by: Brett Rudley <brudley@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: brcm80211: completely remove osl_pubinfo_t typedef

Signed-off-by: Brett Rudley <brudley@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: brcm80211: expose osl contents and start combining osl and pub_osl.

Signed-off-by: Brett Rudley <brudley@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Staging: bcm: signedness bug in InitCardAndDownloadFirmware()

status is used to store negative error codes throughout.  The only place
where this is a runtime bug is if create_worker_threads() fails.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Staging: bcm: signedness bug in StoreSFParam()

wrm() returns negative error codes so "ret" needs to be signed here.
There was place where wrm() returned positive EACCES instead of
negative -EACCES so I fixed that as well.  Also a few checkpatch.pl
issues.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: fix iio/gyro typos, build errors

Typo causes build errors.  Did anyone even build this driver?

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Staging: iio/dds: double locking bugs

This is a static checker patch and I don't have this hardware.

This code is unusual because while I've often seen a double lock, this
is the first time I've seen code that takes a lock 11 times in a row.  I
feel like I must have missed something.  But I've looked very carefully
I don't see any way the original code is correct.  Does spi_sync()
somehow release the lock in a way that I can't see?  Even if it does,
the locking would still be wrong.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Acked-by: Cliff Cai <cliff.cai@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Staging: cptm1217: move free under dereference

We dereference "ts" in the printk so move the kfree() down a line.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Acked-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging/easycap: make module params private/static, fix build

The easycap driver has module parameters (bars, gain, & debug)
with global scope that intrude on the kernel namespace and cause
build problems.  Change the names of them to be driver-specific
and make 2 of them static.

drivers/built-in.o:(.bss+0x97c00): multiple definition of `debug'
ld: Warning: size of symbol `debug' changed from 58 in arch/x86/built-in.o to 4 in drivers/built-in.o

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Mike Thomas <rmthomas@sciolus.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>