mm: Fix incorrect cache attribute restoration.

armv7 uses cache policy as WRITEALLOC. CPA is
restoring the cache attributes to WRITEBACK during
set_pages_array_wb().
Fixed issues in pmd to pte prot translation and vice versa.

Change-Id: I8406b784f62d559f657ef7bc08e77c83ac6e5690
Signed-off-by: Krishna Reddy <vdumpa@nvidia.com>
Reviewed-on: http://git-master/r/122472
Reviewed-by: Simone Willett <swillett@nvidia.com>
Tested-by: Simone Willett <swillett@nvidia.com>
ARM: tegra: lp0 WAKE2 status clear

Tegra pmc WAKE2 status registers also need to be cleared
before re-entering lp0 mode.

Change-Id: I1bd5c48baf86ba23d0352594e97c360d363ce991
Signed-off-by: Bitan Biswas <bbiswas@nvidia.com>
Reviewed-on: http://git-master/r/121185
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>
wakeups-t3: prevent useless baseband wakeups
wifi: update drivers and fix wifi hotspot
wl12xx: increase scan dwell times if no activity

There's a limit on scan dwell times of max 30ms in order
to avoid degrading voip traffic which could be going on
while scanning. However these dwell times increase the
chance of missing out on nearby APs leading to partial
scan results. Allow configuration of longer dwell times
in case there no active interface (i.e. no STA associated
or AP up)

Signed-off-by: Eyal Shapira <eyal@wizery.com>
wl12xx: change packet retry count

default retry number was 10. we found out that in noisy environment
there were case we were failed to send the packet.
in that case it took time until the upper layer retransmit the
packet which cause degradation in TCP TP.
change the default to 50 in order to solve this problem

Signed-off-by: Yossi Wortzel <yossiw@ti.com>
wl12xx: take the mutex before resetting Tx queues

Otherwise we risk contention for private members of our global structure
while op_stop_locked is running.

Reported-by: Ido Yariv <ido@wizery.com>
Signed-off-by: Arik Nemtsov <arik@wizery.com>