Commit graph

468,176 commits

Author SHA1 Message Date
David Howells
7dfa0ca6a9 KEYS: Allow expiry time to be set when preparsing a key
Allow a key type's preparsing routine to set the expiry time for a key.

Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Steve Dickson <steved@redhat.com>
Acked-by: Jeff Layton <jlayton@primarydata.com>
Reviewed-by: Sage Weil <sage@redhat.com>
2014-07-22 21:46:08 +01:00
David Howells
fc7c70e0b6 KEYS: struct key_preparsed_payload should have two payload pointers
struct key_preparsed_payload should have two payload pointers to correspond
with those in struct key.

Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Steve Dickson <steved@redhat.com>
Acked-by: Jeff Layton <jlayton@primarydata.com>
Reviewed-by: Sage Weil <sage@redhat.com>
2014-07-22 21:46:02 +01:00
Chuck Lever
e560e3b510 svcrdma: Add zero padding if the client doesn't send it
See RFC 5666 section 3.7: clients don't have to send zero XDR
padding.

BugLink: https://bugzilla.linux-nfs.org/show_bug.cgi?id=246
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2014-07-22 16:40:21 -04:00
Tobias Klauser
0bec8c88dc net: skbuff: Use ALIGN macro instead of open coding it
Use ALIGN from linux/kernel.h to define SKB_DATA_ALIGN instead of open
coding it.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-22 13:39:42 -07:00
Lokesh Vutla
c913c8a15a ARM: DRA7: hwmod: Add data for RTC
Add hwmod data for RTC

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Reviewed-by: Rajendra Nayak <rnayak@ti.com>
[paul@pwsan.com: updated to apply]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-07-22 14:35:06 -06:00
Mugunthan V N
077c42f75e arm: dra7xx: Add hwmod data for MDIO and CPSW
Adding hwmod data for CPSW and MDIO which is present in DRA7xx SoC

Cc: Rajendra Nayak <rnayak@ti.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
Tested-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-07-22 14:35:05 -06:00
Kishon Vijay Abraham I
8dd3eb711e arm: dra7xx: Add hwmod data for pcie1 and pcie2 subsystems
Added hwmod data for pcie1 and pcie2 subsystem present in DRA7xx SOC.

Cc: Tony Lindgren <tony@atomide.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Tested-by: Kishon Vijay Abraham I <kishon@ti.com>
Reviewed-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-07-22 14:35:05 -06:00
Kishon Vijay Abraham I
70c18ef7f1 arm: dra7xx: Add hwmod data for pcie1 phy and pcie2 phy
Added hwmod data for pcie1 and pcie2 phy present in DRA7xx SOC.
Also added the missing CLKCTRL OFFSET macro and CONTEXT OFFSET macro
for pcie1 phy and pcie2 phy.

Cc: Tony Lindgren <tony@atomide.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Tested-by: Kishon Vijay Abraham I <kishon@ti.com>
Reviewed-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-07-22 14:35:05 -06:00
Roger Quadros
df0d0f11ff ARM: DRA7: hwmod: Add OCP2SCP3 module
This module is needed for the SATA and PCIe PHYs.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Reviewed-by: Rajendra Nayak <rnayak@ti.com>
Tested-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-07-22 14:35:05 -06:00
David Laight
526cbef778 net: sctp: Rename SCTP_XMIT_NAGLE_DELAY to SCTP_XMIT_DELAY
MSG_MORE and 'corking' a socket would require that the transmit of
a data chunk be delayed.
Rename the return value to be less specific.

Signed-off-by: David Laight <david.laight@aculab.com>
Acked-by: Vlad Yasevich <vyasevich@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-22 13:32:11 -07:00
David Laight
723189faca net: sctp: Open out the check for Nagle
The check for Nagle contains 6 separate checks all of which must be true
before a data packet is delayed.
Separate out each into its own 'if (test) return SCTP_XMIT_OK' so that
the reasons can be individually described.

Also return directly with SCTP_XMIT_RWND_FULL.
Delete the now-unused 'retval' variable and 'finish' label from
sctp_packet_can_append_data().

Signed-off-by: David Laight <david.laight@aculab.com>
Acked-by: Vlad Yasevich <vyasevich@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-22 13:32:10 -07:00
Felix Fietkau
fa8f136fe9 mac80211: fix crash on getting sta info with uninitialized rate control
If the expected throughput is queried before rate control has been
initialized, the minstrel op for it will crash while trying to access
the rate table.
Check for WLAN_STA_RATE_CONTROL before attempting to use the rate
control op.

Reported-by: Jean-Pierre Tosoni <jp.tosoni@acksys.fr>
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2014-07-22 22:17:17 +02:00
Jeff Layton
d55a166c96 nfsd: bump dl_time when unhashing delegation
There's a potential race between a lease break and DELEGRETURN call.

Suppose a lease break comes in and queues the workqueue job for a
delegation, but it doesn't run just yet. Then, a DELEGRETURN comes in
finds the delegation and calls destroy_delegation on it to unhash it and
put its primary reference.

Next, the workqueue job runs and queues the delegation back onto the
del_recall_lru list, issues the CB_RECALL and puts the final reference.
With that, the final reference to the delegation is put, but it's still
on the LRU list.

When we go to unhash a delegation, it's because we intend to get rid of
it soon afterward, so we don't want lease breaks to mess with it once
that occurs. Fix this by bumping the dl_time whenever we unhash a
delegation, to ensure that lease breaks don't monkey with it.

I believe this is a regression due to commit 02e1215f9f (nfsd: Avoid
taking state_lock while holding inode lock in nfsd_break_one_deleg).
Prior to that, the state_lock was held in the lm_break callback itself,
and that would have prevented this race.

Cc: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Jeff Layton <jlayton@primarydata.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2014-07-22 15:34:47 -04:00
Arik Nemtsov
f697267f82 iwlwifi: mvm: teardown TDLS peers during chan-switch and AP DCM
The DCM condition was not checked well for channel switch in both AP and
station scenarios. Teardown was also not done for AP/GO DCM. Add the
missing checks.

Reported-by: Peer, Ilan <ilan.peer@intel.com>
Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2014-07-22 22:08:47 +03:00
Emmanuel Grumbach
ae0008c71a Merge remote-tracking branch 'wireless-next/master' into iwlwifi-next 2014-07-22 22:08:29 +03:00
Michal Kazior
c29a380e4a ath10k: prevent endless pci rx loop
It was possible to enter an endless loop while
processing a single pci copy engine pipe. This
could effectively render ath10k incapable of
responding to any requests.

An example case when this could happen is when
firmware generates a lot of events, e.g. spectral
scan phyerr via WMI.

Reported-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2014-07-22 21:31:08 +03:00
Yan Burman
bf858ab0ad xprtrdma: Fix DMA-API-DEBUG warning by checking dma_map result
Fix the following warning when DMA-API debug is enabled by checking ib_dma_map_single result:
[ 1455.345548] ------------[ cut here ]------------
[ 1455.346863] WARNING: CPU: 3 PID: 3929 at /home/yanb/kernel/net-next/lib/dma-debug.c:1140 check_unmap+0x4e5/0x990()
[ 1455.349350] mlx4_core 0000:00:07.0: DMA-API: device driver failed to check map error[device address=0x000000007c9f2090] [size=2656 bytes] [mapped as single]
[ 1455.349350] Modules linked in: xprtrdma netconsole configfs nfsv3 nfs_acl ib_ipoib rdma_ucm ib_ucm ib_uverbs ib_umad rdma_cm ib_cm iw_cm autofs4 auth_rpcgss oid_registry nfsv4 nfs fscache lockd sunrpc dm_mirror dm_region_hash dm_log microcode pcspkr mlx4_ib ib_sa ib_mad ib_core ib_addr mlx4_en ipv6 ptp pps_core vxlan mlx4_core virtio_balloon cirrus ttm drm_kms_helper drm sysimgblt sysfillrect syscopyarea i2c_piix4 i2c_core button ext3 jbd virtio_blk virtio_net virtio_pci virtio_ring virtio uhci_hcd ata_generic ata_piix libata
[ 1455.349350] CPU: 3 PID: 3929 Comm: mount.nfs Not tainted 3.15.0-rc1-dbg+ #13
[ 1455.349350] Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2007
[ 1455.349350]  0000000000000474 ffff880069dcf628 ffffffff8151c341 ffffffff817b69d8
[ 1455.349350]  ffff880069dcf678 ffff880069dcf668 ffffffff8105b5fc 0000000069dcf658
[ 1455.349350]  ffff880069dcf778 ffff88007b0c9f00 ffffffff8255ec40 0000000000000a60
[ 1455.349350] Call Trace:
[ 1455.349350]  [<ffffffff8151c341>] dump_stack+0x52/0x81
[ 1455.349350]  [<ffffffff8105b5fc>] warn_slowpath_common+0x8c/0xc0
[ 1455.349350]  [<ffffffff8105b6e6>] warn_slowpath_fmt+0x46/0x50
[ 1455.349350]  [<ffffffff812e6305>] check_unmap+0x4e5/0x990
[ 1455.349350]  [<ffffffff81521fb0>] ? _raw_spin_unlock_irq+0x30/0x60
[ 1455.349350]  [<ffffffff812e6a0a>] debug_dma_unmap_page+0x5a/0x60
[ 1455.349350]  [<ffffffffa0389583>] rpcrdma_deregister_internal+0xb3/0xd0 [xprtrdma]
[ 1455.349350]  [<ffffffffa038a639>] rpcrdma_buffer_destroy+0x69/0x170 [xprtrdma]
[ 1455.349350]  [<ffffffffa03872ff>] xprt_rdma_destroy+0x3f/0xb0 [xprtrdma]
[ 1455.349350]  [<ffffffffa04a95ff>] xprt_destroy+0x6f/0x80 [sunrpc]
[ 1455.349350]  [<ffffffffa04a9625>] xprt_put+0x15/0x20 [sunrpc]
[ 1455.349350]  [<ffffffffa04a899a>] rpc_free_client+0x8a/0xe0 [sunrpc]
[ 1455.349350]  [<ffffffffa04a8a58>] rpc_release_client+0x68/0xa0 [sunrpc]
[ 1455.349350]  [<ffffffffa04a9060>] rpc_shutdown_client+0xb0/0xc0 [sunrpc]
[ 1455.349350]  [<ffffffffa04a8f5d>] ? rpc_ping+0x5d/0x70 [sunrpc]
[ 1455.349350]  [<ffffffffa04a91ab>] rpc_create_xprt+0xbb/0xd0 [sunrpc]
[ 1455.349350]  [<ffffffffa04a9273>] rpc_create+0xb3/0x160 [sunrpc]
[ 1455.349350]  [<ffffffff81129749>] ? __probe_kernel_read+0x69/0xb0
[ 1455.349350]  [<ffffffffa053851c>] nfs_create_rpc_client+0xdc/0x100 [nfs]
[ 1455.349350]  [<ffffffffa0538cfa>] nfs_init_client+0x3a/0x90 [nfs]
[ 1455.349350]  [<ffffffffa05391c8>] nfs_get_client+0x478/0x5b0 [nfs]
[ 1455.349350]  [<ffffffffa0538e50>] ? nfs_get_client+0x100/0x5b0 [nfs]
[ 1455.349350]  [<ffffffff81172c6d>] ? kmem_cache_alloc_trace+0x24d/0x260
[ 1455.349350]  [<ffffffffa05393f3>] nfs_create_server+0xf3/0x4c0 [nfs]
[ 1455.349350]  [<ffffffffa0545ff0>] ? nfs_request_mount+0xf0/0x1a0 [nfs]
[ 1455.349350]  [<ffffffffa031c0c3>] nfs3_create_server+0x13/0x30 [nfsv3]
[ 1455.349350]  [<ffffffffa0546293>] nfs_try_mount+0x1f3/0x230 [nfs]
[ 1455.349350]  [<ffffffff8108ea21>] ? get_parent_ip+0x11/0x50
[ 1455.349350]  [<ffffffff812d6343>] ? __this_cpu_preempt_check+0x13/0x20
[ 1455.349350]  [<ffffffff810d632b>] ? try_module_get+0x6b/0x190
[ 1455.349350]  [<ffffffffa05449f7>] nfs_fs_mount+0x187/0x9d0 [nfs]
[ 1455.349350]  [<ffffffffa0545940>] ? nfs_clone_super+0x140/0x140 [nfs]
[ 1455.349350]  [<ffffffffa0543b20>] ? nfs_auth_info_match+0x40/0x40 [nfs]
[ 1455.349350]  [<ffffffff8117e360>] mount_fs+0x20/0xe0
[ 1455.349350]  [<ffffffff811a1c16>] vfs_kern_mount+0x76/0x160
[ 1455.349350]  [<ffffffff811a29a8>] do_mount+0x428/0xae0
[ 1455.349350]  [<ffffffff811a30f0>] SyS_mount+0x90/0xe0
[ 1455.349350]  [<ffffffff8152af52>] system_call_fastpath+0x16/0x1b
[ 1455.349350] ---[ end trace f1f31572972e211d ]---

Signed-off-by: Yan Burman <yanb@mellanox.com>
Reviewed-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2014-07-22 13:55:30 -04:00
Rafał Miłecki
16e754535a b43: extract one more radio parameter: version
Some radios may share the same ID and revision but differ by a version.
E.g. radio in BCM5357B0 is version 1 and requires specific handling.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-07-22 13:53:18 -04:00
Rafał Miłecki
c11082f0c0 b43: enable radio 0x2057 rev 14 support (AKA BCM43217)
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-07-22 13:53:18 -04:00
Rafał Miłecki
5af976295e b43: N-PHY: final fixes to rev7+ workarounds
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-07-22 13:53:18 -04:00
Rafał Miłecki
8b343c3d6b b43: N-PHY: add rev7+ workarounds for radio revs 9 and 14
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-07-22 13:53:18 -04:00
Rafał Miłecki
ce623192c7 b43: N-PHY: allow applying separated workarounds per core
Newer devices need different workarounds for cores 0 and 1.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-07-22 13:53:18 -04:00
Rafał Miłecki
49083b47a3 b43: N-PHY: update generic rev7+ workarounds
Add some missing ops and prepare for new devices support. This patch is
a great stability improvement for BCM43217. Earlier Tenda W322E used to
disconnect every 2 minutes (16 times over 30 minutes). With this fix I
got it running for 4 hours (with iperf) without any disconnection.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-07-22 13:53:18 -04:00
Rafał Miłecki
6b346e54bf b43: N-PHY: update digital filters setup
This fixes handling channel 14 and adds code for BCM43217.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-07-22 13:53:18 -04:00
Rafał Miłecki
5b5ee4504e b43: N-PHY: add helper for setting digital filters
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-07-22 13:53:17 -04:00
Andreas Fenkart
81df6cafe2 mwifiex: card reset: enable rescan of non-removable card
mmc_rescan will scan for non-removable cards only once, hence the card
will not be rediscovered.

Signed-off-by: Andreas Fenkart <afenkart@gmail.com>
Acked-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-07-22 13:53:17 -04:00
John W. Linville
bd6fb31fd3 Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next 2014-07-22 13:50:23 -04:00
John W. Linville
a006827a15 Merge git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next 2014-07-22 13:49:34 -04:00
Mauro Carvalho Chehab
e23cf7f358 [media] tuners/Kconfig: fix build when just DTV or SDR is enabled
As reported by Kbuildtest:
	warning: (VIDEO_PVRUSB2 && VIDEO_TLG2300 && VIDEO_USBVISION && VIDEO_GO7007 && VIDEO_AU0828_V4L2 && VIDEO_CX231XX && VIDEO_TM6000 && VIDEO_EM28XX && VIDEO_IVTV && VIDEO_MXB && VIDEO_CX18 && VIDEO_CX23885 && VIDEO_CX88 && VIDEO_BT848 && VIDEO_SAA7134 && VIDEO_SAA7164) selects VIDEO_TUNER which has unmet direct dependencies (MEDIA_SUPPORT && MEDIA_TUNER)

That happens when:

	# CONFIG_MEDIA_ANALOG_TV_SUPPORT is not set
	CONFIG_MEDIA_DIGITAL_TV_SUPPORT=y
	# CONFIG_MEDIA_RADIO_SUPPORT is not set
	# CONFIG_MEDIA_SDR_SUPPORT is not set
	CONFIG_VIDEO_AU0828_V4L2=y
	CONFIG_VIDEO_CX231XX=y
	CONFIG_VIDEO_TM6000=y
	CONFIG_VIDEO_EM28XX=y
	CONFIG_VIDEO_TUNER=y
	CONFIG_MEDIA_SUPPORT=y

With means that we need to enable MEDIA_TUNER also when DTV
is enabled. While the above config doesn't cover, if we enable
SDR, the same error can also happen.

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-07-22 14:24:46 -03:00
John W. Linville
0eeb315b20 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-fixes 2014-07-22 12:49:22 -04:00
Emmanuel Grumbach
917d083d48 Merge branch 'iwlwifi-fixes' into iwlwifi-next
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>

Conflicts:
	drivers/net/wireless/iwlwifi/mvm/mac80211.c
2014-07-22 19:26:41 +03:00
Christian König
5b75327563 drm/radeon: fix error handling in radeon_vm_bo_set_addr
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2014-07-22 12:21:58 -04:00
Emmanuel Grumbach
8a275bad9c iwlwifi: mvm: reset beacon filtering and BT Coex data upon FW restart
When the firmware asserts, we restart the device and reset
the relevant data we hold in the driver. BT Coex data was
not reset and because of that, the driver wouldn't
reconfigure the firmware properly after firmware restart.
Same for beacon filtering. Fix that.

Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2014-07-22 19:21:13 +03:00
Eran Harary
cc87d32293 iwlwifi: mvm: update smart fifo / beacon filtering upon association
When we associate, we may have heard the beacon before the
association. In that case, BSS_CHANGED_BEACON_INFO will be
set along with BSS_CHANGED_ASSOC in changes in
bss_info_change.

In this case, we didn't update the smart fifo nor beacon
filtering leaving those two feature disabled.

Signed-off-by: Eran Harary <eran.harary@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2014-07-22 19:21:13 +03:00
Emmanuel Grumbach
473ad712a4 iwlwifi: dump CSRs to fw-error-dump
Add the Control Status Registers to the firmware error dump
infrastructure.

Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2014-07-22 19:21:12 +03:00
Emmanuel Grumbach
67c65f2cf7 iwlwifi: dump periphery registers to fw-error-dump
Use the fw-error-dump infrastructure to dump the periphery
registers. Only certain ranges are readable, so dump only
these.

Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2014-07-22 19:21:11 +03:00
Emmanuel Grumbach
48eb7b34ff iwlwifi: split fw-error-dump between transport and mvm
The mvm op_mode won't allocate the buffer for the transport
any more. The transport allocates its own buffer and mvm
is in charge of splicing the buffers in the debugfs hook.

This makes the repartition easier to handle.

Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2014-07-22 19:21:10 +03:00
Emmanuel Grumbach
074279abb9 iwlwifi: fix inconsistency about power_save module parameter
modinfo and kerneldoc disagreed on the meaning of this field.

Reported-by: Andrea Oliveri <oliveriandrea@gmail.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2014-07-22 19:21:10 +03:00
Eran Harary
abf09c5613 iwlwifi: mvm: minor change in debug print
Add OTP to the string: "can't parse empty OTP/NVM section"
NVM usually refers to nvm_file while the problem can be in
the OTP.

Signed-off-by: Eran Harary <eran.harary@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2014-07-22 19:21:09 +03:00
Eliad Peller
4660dfbbe0 iwlwifi: mvm: wait for handlers when stopping scans
The recent unified scan api change introduced issues
when stopping ongoing scans, since both regular and
sched scan now use same stopped notification.

When issuing a new scan right after a running one,
we get the "old" notification and handle it wrongly
as notification for the current scan.

Fix it by introducing a new function that make sure
we consume the pending notifications before issuing
a new scan.

Signed-off-by: Eliad Peller <eliad@wizery.com>
Reviewed-by: ArikX Nemtsov <arik@wizery.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2014-07-22 19:21:08 +03:00
Emmanuel Grumbach
45bbb2ca1e iwlwifi: mvm: BT Coex - don't change AP SMPS mode
Leave it to default instead - regardless of the BT activity.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2014-07-22 19:21:07 +03:00
Emmanuel Grumbach
1459f269e8 iwlwifi: mvm: BT Coex - fix the ACK / CTS kill mask
According to new requirements, the ACK / CTS kill mask is
not related to reduced TX power anymore. This allows to
remove the code that tracked reduced TX power enablement
across different interfaces.
The ACK / CTS kill mask is now fetch from a table. It
depends on the Activity grading (activity from BT) and on
the Look Up Table (LUT) type.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2014-07-22 19:21:07 +03:00
Ariej Marjieh
b112889c5a iwlwifi: mvm: add Aux ROC request/response flow
The Remain On Channel framework added to the firmare is
a bit like time events. It allows the driver to request
the firmware to be on a certain channel for a certain time.
Unlike the time events, the ROC infrastructure doesn't need
a MAC context in the firmware - it uses a generic context
called "auxiliary framework".

This is useful for any offchannel activity that is not bound
to a specific MAC.
The flow is synchronized much like with time events:
1) The driver receives an action frame from the wpa_supplicant
   via nl80211 that requests to be sent offchannel.
2) The driver sends an Aux ROC command (0x53) to the firmware.
3) The firmware responds with the unique id of the time event.
4) When time event starts, the driver puts the frame in the
   Aux queue.

Special care needs to be taken when the time events ends:
the queue needs to be cleaned-up.

Signed-off-by: Ariej Marjieh <ariej.marjieh@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2014-07-22 19:20:59 +03:00
Olof Johansson
e9a86d96be STi defconfig updates for v3.17
Highlights:
 -----------
  - Enable ST's Thermal controller driver
  - Enable ST's Keyscan driver
  - Enable ST's MiPHY365 Phy driver for STiH416 SATA & PCIe
  - Enable ST's AHCI driver.
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Merge tag 'sti-defconfig-for-v3.17-1' of git://git.stlinux.com/devel/kernel/linux-sti into next/defconfig

Merge "ARM: STi: defconfig changes for v3.17" from Maxime Coquelin:

STi defconfig updates for v3.17

 - Enable ST's Thermal controller driver
 - Enable ST's Keyscan driver
 - Enable ST's MiPHY365 Phy driver for STiH416 SATA & PCIe
 - Enable ST's AHCI driver.

* tag 'sti-defconfig-for-v3.17-1' of git://git.stlinux.com/devel/kernel/linux-sti:
  ARM: multi_v7_defconfig: Enable MiPHY365x - ST's Generic (SATA & PCIe) PHY
  ARM: multi_v7_defconfig: Enable ST's (S)ATA driver
  ARM: multi_v7_defconfig: add ST Keyscan driver
  ARM: update multi_v7_defconfig for STI
  ARM: multi_v7_defconfig: Configure in ST's Thermal Controller
  + Linux 3.16-rc6

Signed-off-by: Olof Johansson <olof@lixom.net>
2014-07-22 09:17:18 -07:00
Lai Jiangshan
ddcb57e2ed workqueue: use nr_node_ids instead of wq_numa_tbl_len
They are the same and nr_node_ids is provided by the memory subsystem.

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
2014-07-22 12:10:39 -04:00
Lai Jiangshan
3fb1823c09 workqueue: remove the misnamed out_unlock label in get_unbound_pool()
After the locking was moved up to the caller of the get_unbound_pool(),
out_unlock label doesn't need to do any unlock operation and the name
became bad, so we just remove this label, and the only usage-site
"goto out_unlock" is subsituted to "return pool".

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
2014-07-22 12:10:39 -04:00
Lai Jiangshan
29b1cb416a workqueue: remove the stale comment in pwq_unbound_release_workfn()
In 75ccf5950f ("workqueue: prepare flush_workqueue() for dynamic
creation and destrucion of unbound pool_workqueues"), a comment
about the synchronization for the pwq in pwq_unbound_release_workfn()
was added. The comment claimed the flush_mutex wasn't strictly
necessary, it was correct in that time, due to the pwq was protected
by workqueue_lock.

But it is incorrect now since the wq->flush_mutex was renamed to
wq->mutex and workqueue_lock was removed, the wq->mutex is strictly
needed. But the comment was miss-updated when the synchronization
was changed.

This patch removes the incorrect comments and doesn't add any new
comment to explain why wq->mutex is needed here, which is definitely
obvious and wq->pwqs_node has "WQ" notation in its definition which is
better comment.

The old commit mentioned above also introduced a comment in link_pwq()
about the synchronization. This comment is also removed in this patch
since the whole link_pwq() is proteced by wq->mutex.

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
2014-07-22 12:10:39 -04:00
Lai Jiangshan
13b1d625ef workqueue: move rescuer pool detachment to the end
In 51697d3939 ("workqueue: use generic attach/detach routine for
rescuers"), The rescuer detaches itself from the pool before put_pwq()
so that the put_unbound_pool() will not destroy the rescuer-attached
pool.

It is unnecessary.  worker_detach_from_pool() can be used as the last
statement to access to the pool just like the regular workers,
put_unbound_pool() will wait for it to detach and then free the pool.

So we move the worker_detach_from_pool() down, make it coincide with
the regular workers.

tj: Minor description update.

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
2014-07-22 12:10:39 -04:00
Lai Jiangshan
051e185010 workqueue: unfold start_worker() into create_worker()
Simply unfold the code of start_worker() into create_worker() and
remove the original start_worker() and create_and_start_worker().

The only trade-off is the introduced overhead that the pool->lock
is released and regrabbed after the newly worker is started.
The overhead is acceptible since the manager is slow path.

And because this new locking behavior, the newly created worker
may grab the lock earlier than the manager and go to process
work items. In this case, the recheck need_to_create_worker() may be
true as expected and the manager goes to restart which is the
correct behavior.

tj: Minor updates to description and comments.

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
2014-07-22 12:10:39 -04:00
Javier Martinez Canillas
b1e51d771f dmaengine: pl330: Check if the DMA descriptor is NULL
Commit 6079d38 ("dmaengine: pl330: Remove useless xfer_cb indirection")
removed the __callback() function which created an unnecessary level of
indirection to execute the tranfer callback .xfer_cb

Unfortunately the commit also changed the semantics slightly since that
function used to check if the request was not NULL before attempting to
execute the callback function. Not checking this could lead to a kernel
NULL pointer dereference error.

Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2014-07-22 21:38:43 +05:30