firefly-linux-kernel-4.4.55.git
11 years agoSamuel Ortiz <sameo@linux.intel.com> says:
John W. Linville [Wed, 22 May 2013 18:23:05 +0000 (14:23 -0400)]
Samuel Ortiz <sameo@linux.intel.com> says:

"Merge tag 'nfc-fixes-3.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/nfc-fixes

This is the first batch of NFC fixes for 3.10, and it contains:

- 3 fixes for the NFC MEI support:
* We now depend on the correct Kconfig symbol.
* We register an MEI event callback whenever we enable an NFC device,
  otherwise we fail to read anything after an enable/disable cycle.
* We only disable an MEI device from its disable mey_phy_ops,
  preventing useless consecutive disable calls.

- An NFC Makefile cleanup, as I forgot to remove a commented out line when
  moving the LLCP code to the NFC top level directory."

Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agoNFC: mei: Do not disable MEI devices from their remove routine
Samuel Ortiz [Tue, 30 Apr 2013 21:50:29 +0000 (23:50 +0200)]
NFC: mei: Do not disable MEI devices from their remove routine

Enabling and disabling device is exclusively handled by the mei_phy_ops.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
11 years agoNFC: mei_phy: Register event callback when enabling the device
Samuel Ortiz [Tue, 30 Apr 2013 21:48:50 +0000 (23:48 +0200)]
NFC: mei_phy: Register event callback when enabling the device

The callback registration starts a waiting read, so it needs to be fired
everytime the device is enabled. Otherwise following writes will never get
an answer back.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
11 years agoNFC: mei_phy depends on INTEL_MEI
Samuel Ortiz [Tue, 30 Apr 2013 21:22:34 +0000 (23:22 +0200)]
NFC: mei_phy depends on INTEL_MEI

INTEL_MEI_BUS_NFC never made it upstream, so make it depend on INTEL_MEI.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
11 years agoNFC: Remove commented out LLCP related Makefile line
Paul Bolle [Sun, 12 May 2013 21:21:24 +0000 (23:21 +0200)]
NFC: Remove commented out LLCP related Makefile line

The Kconfig symbol NFC_LLCP was removed in commit 30cc458765 ("NFC: Move
LLCP code to the NFC top level diirectory"). But the reference to its
macro in this Makefile was only commented out. Remove it now.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
11 years agoath9k: fix draining aggregation tid buffers
Felix Fietkau [Fri, 17 May 2013 10:58:26 +0000 (12:58 +0200)]
ath9k: fix draining aggregation tid buffers

After a tx attempt, an A-MPDU subframe can still have fi->retries at 0
(if the retry count wasn't incremented due to powersave).
In that case it is still tracked as part of the block ack window, so
when draining the tid queue, its sequence number needs to be cleared
from the pending frame bitmap.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agoath9k: fix rate handling/reporting
Felix Fietkau [Fri, 17 May 2013 10:58:25 +0000 (12:58 +0200)]
ath9k: fix rate handling/reporting

This patch fixes some issues introduced in the rate control API rework.
When not running aggregation, copy bf->rates into info->control.rates
before applying the rate control status to it.
In ath_lookup_rate, the rates need to be pulled from bf->rates, not the
tx info.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agoath9k: fix aggregation stop/flush handling
Felix Fietkau [Fri, 17 May 2013 10:58:24 +0000 (12:58 +0200)]
ath9k: fix aggregation stop/flush handling

When aggregation stop is requested, don't run the mac80211 aggregation
stop callback yet, while the session is still blocked.
Also, when aggregation flush is requested, don't run the callback at all.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agoath9k_hw: Enable manual peak calibration for AR9485
Sujith Manoharan [Thu, 16 May 2013 17:17:34 +0000 (22:47 +0530)]
ath9k_hw: Enable manual peak calibration for AR9485

Manual peak calibration is currently enabled only for
AR9462 and AR9565. This is also required for AR9485.
The initvals are also modified to disable HW peak calibration.

Cc: <stable@vger.kernel.org>
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agortlwifi: rtl8192cu: Add new USB ID
Albert Pool [Wed, 15 May 2013 15:03:16 +0000 (10:03 -0500)]
rtlwifi: rtl8192cu: Add new USB ID

This adds the USB ID of the On Networks N300MA, clone of Netgear WNA3100M.

Signed-off-by: Albert Pool <albertpool@solcon.nl>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Reported-by: Ana Rey <Anazul77@hotmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agobrcmfmac: announce P2P_DEVICE support in wiphy structure
Arend van Spriel [Tue, 14 May 2013 18:52:36 +0000 (20:52 +0200)]
brcmfmac: announce P2P_DEVICE support in wiphy structure

P2P_DEVICE support was removed from brcmfmac for v3.9 kernel with
the commit below:

commit 1527c343c12f3a2aae532aa881d12c6fbf8749f4
Author: Arend van Spriel <arend@broadcom.com>
Date:   Thu Apr 4 12:10:11 2013 +0200

    brcmfmac: remove advertising P2P device support

However, it got merged into wireless-next. But for 3.10 brcmfmac does
support P2P device. Putting it back with this commit.

Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agortlwifi: rtl8188ee: Fix warning when building on big-endian systems
Larry Finger [Mon, 13 May 2013 02:43:46 +0000 (21:43 -0500)]
rtlwifi: rtl8188ee: Fix warning when building on big-endian systems

In http://lkml.indiana.edu/hypermail/linux/kernel/1305.1/index.html,
Geert Uytterhoeven reports a new warning when building 3.10-rc1 in
this driver. This is caused by using a "#if" test to see if __LITTLE_ENDIAN
is set, which fails for all big-endian systems. Change to "ifdef".

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agoath9k: Fix crash on module unload
Sujith Manoharan [Fri, 10 May 2013 13:11:06 +0000 (18:41 +0530)]
ath9k: Fix crash on module unload

Make sure that any open relayfs files are closed before
unregistering with mac80211, otherwise this crash is seen:

[ 1331.097846] BUG: unable to handle kernel paging request at 6b6b6b8b
[ 1331.098170] IP: [<c063d0d6>] debugfs_remove+0x26/0x80
[ 1331.098170] *pdpt = 000000002f9aa001 *pde = 0000000000000000
[ 1331.098170] Oops: 0000 [#1] PREEMPT SMP
[ 1331.098170] Modules linked in: iptable_raw xt_CT nf_conntrack_ipv4 nf_defrag]
[ 1331.098170] Pid: 4794, comm: rmmod Tainted: G        WC   3.9.1+ #5 To Be Fi.
[ 1331.098170] EIP: 0060:[<c063d0d6>] EFLAGS: 00010202 CPU: 0
[ 1331.098170] EIP is at debugfs_remove+0x26/0x80
[ 1331.098170] EAX: f2f3acd0 EBX: f2f3acd0 ECX: 00000006 EDX: f8622348
[ 1331.098170] ESI: 6b6b6b6b EDI: 00000001 EBP: ee251e14 ESP: ee251e0c
[ 1331.098170]  DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
[ 1331.098170] CR0: 8005003b CR2: 6b6b6b8b CR3: 2e7b7000 CR4: 000007e0
[ 1331.098170] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[ 1331.098170] DR6: ffff0ff0 DR7: 00000400
[ 1331.098170] Process rmmod (pid: 4794, ti=ee250000 task=efaa2560 task.ti=ee25)
[ 1331.098170] Stack:
[ 1331.098170]  f241e170 0000000a ee251e1c f861394d ee251e28 c04e3088 f241e170 4
[ 1331.098170]  c04e30fe f45482b0 ee251e54 c04e3187 f25e86b0 ee251e54 f8618748 0
[ 1331.098170]  0000000a 00000001 ee251e68 f860065b f2509e20 f25085a0 f5b6e8a4 8
[ 1331.098170] Call Trace:
[ 1331.098170]  [<f861394d>] remove_buf_file_handler+0xd/0x20 [ath9k]
[ 1331.098170]  [<c04e3088>] relay_remove_buf+0x18/0x30
[ 1331.098170]  [<c04e30fe>] relay_close_buf+0x2e/0x40
[ 1331.098170]  [<c04e3187>] relay_close+0x77/0xf0
[ 1331.098170]  [<f8618748>] ? dpd_exit+0x38/0x40 [ath9k]
[ 1331.098170]  [<f860065b>] ath9k_deinit_softc+0x8b/0xa0 [ath9k]
[ 1331.098170]  [<f86006b8>] ath9k_deinit_device+0x48/0x60 [ath9k]
[ 1331.098170]  [<f86107f1>] ath_pci_remove+0x31/0x50 [ath9k]
[ 1331.098170]  [<c06dbff8>] pci_device_remove+0x38/0xc0
[ 1331.098170]  [<c079daa4>] __device_release_driver+0x64/0xc0
[ 1331.098170]  [<c079db97>] driver_detach+0x97/0xa0
[ 1331.098170]  [<c079cacc>] bus_remove_driver+0x6c/0xe0
[ 1331.098170]  [<c079c197>] ? bus_put+0x17/0x20
[ 1331.098170]  [<c079cae3>] ? bus_remove_driver+0x83/0xe0
[ 1331.098170]  [<c079e709>] driver_unregister+0x49/0x80
[ 1331.098170]  [<c06dc138>] pci_unregister_driver+0x18/0x80
[ 1331.098170]  [<f8610602>] ath_pci_exit+0x12/0x20 [ath9k]
[ 1331.098170]  [<f8619ce0>] ath9k_exit+0x17/0x337 [ath9k]
[ 1331.098170]  [<c09e537d>] ? mutex_unlock+0xd/0x10
[ 1331.098170]  [<c04bd36c>] sys_delete_module+0x17c/0x250
[ 1331.098170]  [<c0540dc4>] ? do_munmap+0x244/0x2d0
[ 1331.098170]  [<c0540e96>] ? vm_munmap+0x46/0x60
[ 1331.098170]  [<c09e8dc4>] ? restore_all+0xf/0xf
[ 1331.098170]  [<c09ebf50>] ? __do_page_fault+0x4c0/0x4c0
[ 1331.098170]  [<c04b18e4>] ? trace_hardirqs_on_caller+0xf4/0x180
[ 1331.098170]  [<c09ef28d>] sysenter_do_call+0x12/0x38
[ 1331.098170] Code: 90 8d 74 26 00 55 89 e5 83 ec 08 89 1c 24 89 74 24 04 3e 82
[ 1331.098170] EIP: [<c063d0d6>] debugfs_remove+0x26/0x80 SS:ESP 0068:ee251e0c
[ 1331.098170] CR2: 000000006b6b6b8b
[ 1331.727971] ---[ end trace b5bb9f2066cef7f9 ]---

Cc: <stable@vger.kernel.org>
Acked-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Tested-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agonet/wireless: ATH9K should depend on HAS_DMA
Geert Uytterhoeven [Thu, 9 May 2013 21:04:47 +0000 (23:04 +0200)]
net/wireless: ATH9K should depend on HAS_DMA

If NO_DMA=y:

drivers/built-in.o: In function `ath9k_beacon_generate':
drivers/net/wireless/ath/ath9k/beacon.c:146: undefined reference to `dma_unmap_single'
drivers/net/wireless/ath/ath9k/beacon.c:174: undefined reference to `dma_map_single'
drivers/net/wireless/ath/ath9k/beacon.c:176: undefined reference to `dma_mapping_error'
drivers/built-in.o: In function `ath9k_beacon_remove_slot':
drivers/net/wireless/ath/ath9k/beacon.c:252: undefined reference to `dma_unmap_single'
drivers/built-in.o: In function `ath_descdma_setup':
drivers/net/wireless/ath/ath9k/init.c:382: undefined reference to `dmam_alloc_coherent'
drivers/built-in.o: In function `ath_edma_get_buffers':
drivers/net/wireless/ath/ath9k/recv.c:616: undefined reference to `dma_sync_single_for_cpu'
drivers/built-in.o: In function `ath_get_next_rx_buf':
drivers/net/wireless/ath/ath9k/recv.c:740: undefined reference to `dma_sync_single_for_cpu'
drivers/built-in.o: In function `ath_rx_edma_cleanup':
drivers/net/wireless/ath/ath9k/recv.c:176: undefined reference to `dma_unmap_single'
drivers/built-in.o: In function `ath_rx_cleanup':
drivers/net/wireless/ath/ath9k/recv.c:340: undefined reference to `dma_unmap_single'
drivers/built-in.o: In function `ath_rx_edma_buf_link':
drivers/net/wireless/ath/ath9k/recv.c:122: undefined reference to `dma_sync_single_for_cpu'
drivers/built-in.o: In function `ath_rx_tasklet':
drivers/net/wireless/ath/ath9k/recv.c:1275: undefined reference to `dma_map_single'
drivers/net/wireless/ath/ath9k/recv.c:1277: undefined reference to `dma_mapping_error'
drivers/net/wireless/ath/ath9k/recv.c:1283: undefined reference to `dma_unmap_single'
drivers/built-in.o: In function `ath_rx_edma_init':
drivers/net/wireless/ath/ath9k/recv.c:226: undefined reference to `dma_map_single'
drivers/net/wireless/ath/ath9k/recv.c:229: undefined reference to `dma_mapping_error'
drivers/built-in.o: In function `ath_rx_init':
drivers/net/wireless/ath/ath9k/recv.c:303: undefined reference to `dma_map_single'
drivers/net/wireless/ath/ath9k/recv.c:306: undefined reference to `dma_mapping_error'
drivers/built-in.o: In function `ath_tx_complete_buf':
drivers/net/wireless/ath/ath9k/xmit.c:2088: undefined reference to `dma_unmap_single'
drivers/built-in.o: In function `ath_txstatus_setup':
drivers/net/wireless/ath/ath9k/xmit.c:2344: undefined reference to `dmam_alloc_coherent'
drivers/built-in.o: In function `ath_tx_set_retry':
drivers/net/wireless/ath/ath9k/xmit.c:307: undefined reference to `dma_sync_single_for_cpu'
drivers/built-in.o: In function `ath_tx_setup_buffer':
drivers/net/wireless/ath/ath9k/xmit.c:1887: undefined reference to `dma_map_single'
drivers/net/wireless/ath/ath9k/xmit.c:1889: undefined reference to `dma_mapping_error'

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Luis R. Rodriguez <mcgrof@qca.qualcomm.com>
Cc: John W. Linville <linville@tuxdriver.com>
Cc: linux-wireless@vger.kernel.org
Cc: netdev@vger.kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agobcma: add more core IDs
Rafał Miłecki [Thu, 9 May 2013 19:24:24 +0000 (21:24 +0200)]
bcma: add more core IDs

PCIe and ARM CR4 cores were found on 14e4:43b1 AKA BCM4352.

Reported-by: Gabriel Thörnblad <gabriel@thornblad.com>
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agoiwlegacy: remove inline marking of EXPORT_SYMBOL functions
Denis Efremov [Thu, 9 May 2013 09:19:39 +0000 (13:19 +0400)]
iwlegacy: remove inline marking of EXPORT_SYMBOL functions

EXPORT_SYMBOL and inline directives are contradictory to each other.
The patch fixes this inconsistency.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Denis Efremov <yefremov.denis@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agoMerge branch 'for-john' of git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi...
John W. Linville [Fri, 17 May 2013 18:22:17 +0000 (14:22 -0400)]
Merge branch 'for-john' of git://git./linux/kernel/git/iwlwifi/iwlwifi-fixes

11 years agoiwlwifi: mvm: fix aggregation drain flow
Emmanuel Grumbach [Tue, 7 May 2013 11:08:24 +0000 (14:08 +0300)]
iwlwifi: mvm: fix aggregation drain flow

Move the counter for non-AMPDU frames to mvm. It is needed
for the drain flow which happens once the ieee80211_sta has
been freed, so keeping it in iwl_mvm_sta which is embed into
ieee80211_sta is not a good idea.

Also, since its purpose it to remove the STA in the fw only
after all the frames for this station have exited the shared
Tx queues, we need to decrement it in the reclaim flow. This
flow can happen after ieee80211_sta has been removed, which
means that we have no iwl_mvm_sta there. So we can't know
what is the vif type. Hence, we know audit these frames for
all the vif types.
In order to avoid spawning sta_drained_wk all the time, we
now check that we are in a flow in which draining might
happen - only when mvmsta is NULL. This is better than
previous code that would spawn sta_drained_wk all the time
in AP mode.

Cc: stable@vger.kernel.org [3.9]
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Reviewed-by: Ilan Peer <ilan.peer@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
11 years agoiwlwifi: mvm: Prevent setting assoc flag in MAC_CONTEXT_CMD
Alexander Bondar [Thu, 2 May 2013 13:34:48 +0000 (16:34 +0300)]
iwlwifi: mvm: Prevent setting assoc flag in MAC_CONTEXT_CMD

In the normal flow first MAC_CONTEXT_CMD for particular interface is
never sent while associated. The exception is fw restart flow when
resuming from suspend when WoWLAN is enabled. In this case successive
"add" and "modify" MAC_CONTEXT_CMD commands may be sent with assoc flag
set what cause FW mal functioning. To prevent this never set assoc flag
in MAC_CONTEXT_CMD with action "add".

Cc: stable@vger.kernel.org
Signed-off-by: Alexander Bondar <alexander.bondar@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
11 years agoiwlwifi: mvm: tell firmware to let multicast frames in
Emmanuel Grumbach [Thu, 2 May 2013 12:01:24 +0000 (15:01 +0300)]
iwlwifi: mvm: tell firmware to let multicast frames in

Without this command, the firmware will filter out all the
multicast frames. Let them all in as for now. Later we will
want to optimize this to save power.

Cc: stable@vger.kernel.org
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
11 years agoiwlwifi: mvm: Always use SCAN_TYPE_FORCED
Ilan Peer [Sun, 28 Apr 2013 05:18:28 +0000 (08:18 +0300)]
iwlwifi: mvm: Always use SCAN_TYPE_FORCED

The FW AUX framework does not handle well cases where time events
fail to be scheduled (and as a result issues assert 0x3330). Until
a proper fix is in place, WA this by always setting the scan type to
SCAN_TYPE_FORCED.

Cc: stable@vger.kernel.org
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
11 years agocfg80211: fix sending WoWLAN TCP wakeup settings
Johannes Berg [Thu, 16 May 2013 08:24:28 +0000 (10:24 +0200)]
cfg80211: fix sending WoWLAN TCP wakeup settings

The code sending the current WoWLAN TCP wakeup settings in
nl80211_send_wowlan_tcp() is not closing the nested attribute,
thus causing the parser to get confused on the receiver side
in userspace (iw). Fix this.

Cc: stable@vger.kernel.org [3.9]
Reported-by: Deepak Arora <deepakx.arora@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
11 years agomac80211: report deauth to cfg80211 for local state change
Johannes Berg [Tue, 14 May 2013 07:39:02 +0000 (09:39 +0200)]
mac80211: report deauth to cfg80211 for local state change

Even if the frame isn't transmitted to the AP, we need to
report it to cfg80211 so the state there can be updated
correctly.

Reported-by: Jouni Malinen <j@w1.fi>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
11 years agocfg80211: fix interface down/disconnect state handling
Johannes Berg [Tue, 14 May 2013 07:19:53 +0000 (09:19 +0200)]
cfg80211: fix interface down/disconnect state handling

When the interface goes down, there's no need to call
cfg80211_mlme_down() after __cfg80211_disconnect() as
the latter will call the former (if appropriate.)

Also, in __cfg80211_disconnect(), if the cfg80211 SME
isn't used, __cfg80211_disconnected() may still need
to be called (depending on the current state) so that
the SME state gets cleared.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
11 years agomac80211: fix AP-mode frame matching
Johannes Berg [Mon, 13 May 2013 14:42:40 +0000 (16:42 +0200)]
mac80211: fix AP-mode frame matching

In AP mode, ignore frames with mis-matched BSSID that aren't
multicast or sent to the correct destination. This fixes
reporting public action frames to userspace multiple times
on multiple virtual AP interfaces.

Cc: stable@vger.kernel.org
Reported-by: Jouni Malinen <j@w1.fi>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
11 years agonl80211: Add wdev identifier to some nl80211 notifications
Ilan Peer [Wed, 8 May 2013 13:35:55 +0000 (16:35 +0300)]
nl80211: Add wdev identifier to some nl80211 notifications

Adding the attributes fixes an issue with P2P Device not
working properly for management frame TX.

Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
11 years agomac80211: use just spin_lock() in ieee80211_get_tkip_p2k()
Johannes Berg [Mon, 6 May 2013 13:54:58 +0000 (15:54 +0200)]
mac80211: use just spin_lock() in ieee80211_get_tkip_p2k()

ieee80211_get_tkip_p2k() may be called with interrupts
disabled, so spin_unlock_bh() isn't safe and leads to
warnings. Since it's always called with BHs disabled
already, just use spin_lock().

Cc: stable@vger.kernel.org
Reported-by: Milan Kocian <milon@wq.cz>
Acked-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
11 years agomac80211: fix spurious RCU warning and update documentation
Felix Fietkau [Fri, 3 May 2013 08:01:03 +0000 (10:01 +0200)]
mac80211: fix spurious RCU warning and update documentation

Document rx vs tx status concurrency requirements.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
11 years agomac80211: fix HT beacon-based channel switch handling
Johannes Berg [Fri, 3 May 2013 07:35:35 +0000 (09:35 +0200)]
mac80211: fix HT beacon-based channel switch handling

When an HT AP is advertising channel switch in a beacon, it
doesn't (and shouldn't, according to 802.11-2012 Table 8-20)
include a secondary channel offset element. The only possible
interpretation is that the previous secondary channel offset
remains valid, so use that when switching channel based only
on beacon information.

VHT requires the Wide Bandwidth Channel Switch subelement to
be present in the Channel Switch Wrapper element, so the code
for that is probably ok (see 802.11ac Draft 4, 8.4.2.165.)

Reported-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
11 years agomac80211: fix IEEE80211_SDATA_DISCONNECT_RESUME
Johannes Berg [Mon, 29 Apr 2013 12:57:44 +0000 (14:57 +0200)]
mac80211: fix IEEE80211_SDATA_DISCONNECT_RESUME

Since commit 12e7f517029dad819c45eca9ca01fdb9ba57616b,
IEEE80211_SDATA_DISCONNECT_RESUME no longer worked as
it would simply never be tested. Restore a bit of the
code removed there and in 9b7d72c1041ec5b20b24af487a9
to make it work again.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
11 years agocfg80211: fix WoWLAN wakeup tracing
Johannes Berg [Mon, 29 Apr 2013 10:09:14 +0000 (12:09 +0200)]
cfg80211: fix WoWLAN wakeup tracing

If the device reports a non-wireless wakeup reason, the
tracing code crashes trying to dereference a NULL pointer.
Fix this by checking the pointer on all accesses and also
add a non_wireless tag to the event.

Cc: stable@vger.kernel.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
11 years agomac80211_hwsim: correctly register the platform driver
Sasha Levin [Wed, 24 Apr 2013 04:40:05 +0000 (00:40 -0400)]
mac80211_hwsim: correctly register the platform driver

Not registering a platform_driver would make us access garbage
when the platform callbacks under driver_register() kicks in.

Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Tested-By: Martin Pitt <martin.pitt@ubuntu.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
11 years agocfg80211: fix wiphy_register error path
Johannes Berg [Fri, 10 May 2013 17:23:40 +0000 (19:23 +0200)]
cfg80211: fix wiphy_register error path

If rfkill_register() fails in wiphy_register() the struct device
is unregistered but everything else isn't (regulatory, debugfs)
and we even leave the wiphy instance on all internal lists even
though it will likely be freed soon, which is clearly a problem.
Fix this by cleaning up properly.

Cc: stable@vger.kernel.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
11 years agoMerge branch 'wireless'
David S. Miller [Fri, 10 May 2013 16:44:05 +0000 (09:44 -0700)]
Merge branch 'wireless'

John W. Linville says:

====================
Here is a batch of fixes intended for the 3.10 stream.

Amitkumar Karwar provides an mwifiex fix to plug a memory leak when
the driver is unloaded.

Bing Zhao brings an mwifiex fix for some flag handling that leads to
log spam and an unusable interface.

Daniel Drake offers an mwifiex fix for multicast filter setup, to
correctly implement wakeup behaviour for multicast WOL.

Felix Fietkau fixes an ath9k problem that produces logspam and keycache
errors due to a bad return code.

Stanislaw Gruszka produces an fix for a WARNING from ath5k, and an
iwl4965 workaround to stop advertising a feature that doesn't work with
the current mac80211 implementation.

Sujith Manoharan gives us an ath9k fix to reprogram the HW beacon timers
after a TSF update, and an initvals fix for the AR9565 device.

Thommy Jakobsson fixes an rx descriptor underrun on b43.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoMerge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...
John W. Linville [Fri, 10 May 2013 14:29:24 +0000 (10:29 -0400)]
Merge branch 'master' of git://git./linux/kernel/git/linville/wireless into for-davem

11 years agoMerge tag 'please-pull-pstore' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl...
Linus Torvalds [Thu, 9 May 2013 23:42:10 +0000 (16:42 -0700)]
Merge tag 'please-pull-pstore' of git://git./linux/kernel/git/aegl/linux

Pull trivial pstore update from Tony Luck:
 "Couple of pstore cleanups"

It turns out that the kmemdup() conversion ends up being undone by the
fact that the memory block also needed the ecc information (see commit
bd08ec33b5c2: "pstore/ram: Restore ecc information block"), so all that
remains after merging is the error return code change.

* tag 'please-pull-pstore' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux:
  pstore/ram: fix error return code in ramoops_probe()
  fs: pstore: Replaced calls to kmalloc and memcpy with kmemdup

11 years agoMerge git://git.infradead.org/users/willy/linux-nvme
Linus Torvalds [Thu, 9 May 2013 23:35:00 +0000 (16:35 -0700)]
Merge git://git.infradead.org/users/willy/linux-nvme

Pull NVMe driver update from Matthew Wilcox:
 "Lots of exciting new features in the NVM Express driver this time,
  including support for emulating SCSI commands, discard support and the
  ability to submit per-sector metadata with I/Os.

  It's still mostly bugfixes though!"

* git://git.infradead.org/users/willy/linux-nvme: (27 commits)
  NVMe: Use user defined admin ioctl timeout
  NVMe: Simplify Firmware Activate code slightly
  NVMe: Only clear the enable bit when disabling controller
  NVMe: Wait for device to acknowledge shutdown
  NVMe: Schedule timeout for sync commands
  NVMe: Meta-data support in NVME_IOCTL_SUBMIT_IO
  NVMe: Device specific stripe size handling
  NVMe: Split non-mergeable bio requests
  NVMe: Remove dead code in nvme_dev_add
  NVMe: Check for NULL memory in nvme_dev_add
  NVMe: Fix error clean-up on nvme_alloc_queue
  NVMe: Free admin queue on request_irq error
  NVMe: Add scsi unmap to SG_IO
  NVMe: queue usage fixes in nvme-scsi
  NVMe: Set TASK_INTERRUPTIBLE before processing queues
  NVMe: Add a character device for each nvme device
  NVMe: Fix endian-related problems in user I/O submission path
  NVMe: Fix I/O cancellation status on big-endian machines
  NVMe: Fix sparse warnings in scsi emulation
  NVMe: Don't fail initialisation unnecessarily
  ...

11 years agoMerge tag 'acpi-fixes-3.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Thu, 9 May 2013 23:33:42 +0000 (16:33 -0700)]
Merge tag 'acpi-fixes-3.10-rc1' of git://git./linux/kernel/git/rafael/linux-pm

Pull ACPICA fixes from Rafael Wysocki:

 - _INI regression fix from Tomasz Nowicki.

 - Fix for a possible memory leak in _OSI support routine from Jung-uk
   Kim.

 - Fix for a possible buffer overflow during field unit read operation
   from Bob Moore.

* tag 'acpi-fixes-3.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  ACPICA: ACPICA: Fix for _INI regression
  ACPICA: _OSI support: Fix possible memory leak
  ACPICA: Fix possible buffer overflow during a field unit read operation

11 years agoMerge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm...
Linus Torvalds [Thu, 9 May 2013 21:54:36 +0000 (14:54 -0700)]
Merge tag 'fixes-for-linus' of git://git./linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes and straggler patches from Olof Johansson:
 "A collection of fixes for fall out from 3.10 merge window, some build
  fixes and warning cleanups and a small handful of patches that were
  small and contained and made sense to still include in 3.10 (some of
  these have also been in -next since the merge window opened).

  Largest continous series is for OMAP, but there's a handful for other
  platforms.

  For i.MX, one of the patches are framebuffer fixups due to fallout
  during the merge window, and the other removes some stale and broken
  code."

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (34 commits)
  ARM: exynos: dts: Fixed vbus-gpios
  ARM: EXYNOS5: Fix kernel dump in AFTR idle mode
  ARM: ux500: Rid ignored return value of regulator_enable() compiler warning
  ARM: ux500: read the correct soc_id number
  ARM: exynos: dts: cros5250: add cyapa trackpad
  video: mxsfb: Adapt to new videomode API
  ARM: imx: Select GENERIC_ALLOCATOR
  ARM: imx: compile fix for hotplug.c
  ARM: dts: don't assume boards are using twl4030 for omap3
  ARM: OMAP2+: Remove bogus IS_ERR_OR_NULL checking from id.c
  ARM: dts: Configure and fix the McSPI pins for 4430sdp
  ARM: dts: AM33XX: Add GPMC node
  ARM: dts: OMAP4460: Fix CPU OPP voltages
  ARM: dts: OMAP36xx: Fix CPU OPP voltages
  ARM: OMAP4+: omap2plus_defconfig: Enable audio via TWL6040 as module
  ARM: OMAP2: AM33XX: id: Add support for new AM335x PG2.1 Si
  omap: mux: add AM/DM37x gpios
  ARM: OMAP1: DMA: fix error handling in omap1_system_dma_init()
  ARM: OMAP2+: omap_device: use late_initcall_sync
  ARM: OMAP: RX-51: change probe order of touchscreen and panel SPI devices
  ...

11 years agoMerge tag 'xtensa-next-20130508' of git://github.com/czankel/xtensa-linux
Linus Torvalds [Thu, 9 May 2013 21:38:16 +0000 (14:38 -0700)]
Merge tag 'xtensa-next-20130508' of git://github.com/czankel/xtensa-linux

Pull xtensa updates from Chris Zankel:
 "Support for the latest MMU architecture that allows for a larger
  accessible memory region, and various bug-fixes"

* tag 'xtensa-next-20130508' of git://github.com/czankel/xtensa-linux:
  xtensa: Switch to asm-generic/linkage.h
  xtensa: fix redboot load address
  xtensa: ISS: fix timer_lock usage in rs_open
  xtensa: disable IRQs while IRQ handler is running
  xtensa: enable lockdep support
  xtensa: fix arch_irqs_disabled_flags implementation
  xtensa: add irq flags trace support
  xtensa: provide custom CALLER_ADDR* implementations
  xtensa: add stacktrace support
  xtensa: clean up stpill_registers
  xtensa: don't use a7 in simcalls
  xtensa: don't attempt to use unconfigured timers
  xtensa: provide default platform_pcibios_init implementation
  xtensa: remove KCORE_ELF again
  xtensa: document MMUv3 setup sequence
  xtensa: add MMU v3 support
  xtensa: fix ibreakenable register update
  xtensa: fix oprofile building as module

11 years agoMerge tag 'arc-v3.10-rc1-part1' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Thu, 9 May 2013 21:36:27 +0000 (14:36 -0700)]
Merge tag 'arc-v3.10-rc1-part1' of git://git./linux/kernel/git/vgupta/arc

Pull ARC port updates from Vineet Gupta:
 "Support for two new platforms based on ARC700:
   - Abilis TB10x SoC [Chritisian/Pierrick]
   - Simulator only System-C Model [Mischa]

  ARC specific MM improvements:
   - Avoid full TLB flush (ASID increment) on munmap (even single page)
   - VIPT Cache Flushing improvements
     + Delayed dcache flush for non-aliasing dcache (big performance boost)
     + icache flush aliasing agnostic (no need to kill all possible aliases)

  Others:
   - Avoid needless rebuild of DTB files for every kernel build
   - Remove builtin cmdline as that is already provided by DeviceTree/bootargs
   - Fixing unaligned access emulation corner case
   - checkpatch fixes [Sachin]
   - Various fixlets [Noam]
   - Minor build failures/cleanups"

* tag 'arc-v3.10-rc1-part1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc: (35 commits)
  ARC: [mm] Lazy D-cache flush (non aliasing VIPT)
  ARC: [mm] micro-optimize page size icache invalidate
  ARC: [mm] remove the pessimistic all-alias-invalidate icache helpers
  ARC: [mm] consolidate icache/dcache sync code
  ARC: [mm] optimise icache flush for kernel mappings
  ARC: [mm] optimise icache flush for user mappings
  ARC: [mm] optimize needless full mm TLB flush on munmap
  ARC: Add support for nSIM OSCI System C model
  ARC: [TB10x] Adapt device tree to new compatible string
  ARC: [TB10x] Add support for TB10x platform
  ARC: [TB10x] Device tree of TB100 and TB101 Development Kits
  ARC: Prepare interrupt code for external controllers
  ARC: Allow embedded arc-intc to be properly placed in DT intc hierarchy
  ARC: [cmdline] Don't overwrite u-boot provided bootargs
  ARC: [cmdline] Remove CONFIG_CMDLINE
  ARC: [plat-arcfpga] defconfig update
  ARC: unaligned access emulation broken if callee-reg dest of LD/ST
  ARC: unaligned access emulation error handling consolidation
  ARC: Debug/crash-printing Improvements
  ARC: fix typo with clock speed
  ...

11 years agoMerge branch 'stable' of git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux...
Linus Torvalds [Thu, 9 May 2013 21:34:58 +0000 (14:34 -0700)]
Merge branch 'stable' of git://git./linux/kernel/git/cmetcalf/linux-tile

Pull tile update from Chris Metcalf:
 "The interesting bug fix is support for the upcoming "4.2" release of
  the Tilera hypervisor, which by default launches Linux at privilege
  level 2 instead of 1.  The fix lets new and old hypervisors and
  Linuxes interoperate more smoothly, so I've tagged it for
  stable@kernel.org so that older Linuxes will be able to boot under the
  newer hypervisor."

* 'stable' of git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile:
  usb: tilegx: fix memleak when create hcd fail
  arch/tile: remove inline marking of EXPORT_SYMBOL functions
  rtc: rtc-tile: add missing platform_device_unregister() when module exit
  tile: support new Tilera hypervisor

11 years agoshm: fix null pointer deref when userspace specifies invalid hugepage size
Li Zefan [Thu, 9 May 2013 07:08:15 +0000 (15:08 +0800)]
shm: fix null pointer deref when userspace specifies invalid hugepage size

Dave reported an oops triggered by trinity:

  BUG: unable to handle kernel NULL pointer dereference at 0000000000000008
  IP: newseg+0x10d/0x390
  PGD cf8c1067 PUD cf8c2067 PMD 0
  Oops: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC
  CPU: 2 PID: 7636 Comm: trinity-child2 Not tainted 3.9.0+#67
  ...
  Call Trace:
    ipcget+0x182/0x380
    SyS_shmget+0x5a/0x60
    tracesys+0xdd/0xe2

This bug was introduced by commit af73e4d9506d ("hugetlbfs: fix mmap
failure in unaligned size request").

Reported-by: Dave Jones <davej@redhat.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Li Zefan <lizfan@huawei.com>
Reviewed-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Acked-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
11 years agoipc,sem: fix semctl(..., GETNCNT)
Rik van Riel [Thu, 9 May 2013 20:59:59 +0000 (16:59 -0400)]
ipc,sem: fix semctl(..., GETNCNT)

The semctl GETNCNT returns the number of semops waiting for the
specified semaphore to become nonzero.  After commit 9f1bc2c9022c
("ipc,sem: have only one list in struct sem_queue"), the semops waiting
on just one semaphore are waiting on that semaphore's list.

In order to return the correct count, we have to walk that list too, in
addition to the sem_array's list for complex operations.

Signed-off-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
11 years agoipc,sem: fix semctl(..., GETZCNT)
Rik van Riel [Thu, 9 May 2013 20:53:28 +0000 (16:53 -0400)]
ipc,sem: fix semctl(..., GETZCNT)

The semctl GETZCNT returns the number of semops waiting for the
specified semaphore to become zero.  After commit 9f1bc2c9022c
("ipc,sem: have only one list in struct sem_queue"), the semops waiting
on just one semaphore are waiting on that semaphore's list.

In order to return the correct count, we have to walk that list too, in
addition to the sem_array's list for complex operations.

This bug broke dbench; it works again with this patch applied.

Signed-off-by: Rik van Riel <riel@redhat.com>
Reported-by: Kent Overstreet <koverstreet@google.com>
Tested-by: Kent Overstreet <koverstreet@google.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
11 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Linus Torvalds [Thu, 9 May 2013 20:44:35 +0000 (13:44 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/viro/vfs

Pull more vfs fixes from Al Viro:
 "Regression fix from Geert + yet another open-coded kernel_read()"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  ecryptfs: don't open-code kernel_read()
  xtensa simdisk: Fix proc_create_data() conversion fallout

11 years agoARM: exynos: dts: Fixed vbus-gpios
Doug Anderson [Wed, 8 May 2013 17:37:16 +0000 (10:37 -0700)]
ARM: exynos: dts: Fixed vbus-gpios

The 'samsung,vbus-gpio' was submitted before pinmux landed for
exynos5250 and uses the old-style gpio specifier.  Fix the two
exynos5250 boards that use it.

Signed-off-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
11 years agoARM: EXYNOS5: Fix kernel dump in AFTR idle mode
Inderpal Singh [Mon, 29 Apr 2013 11:31:47 +0000 (17:01 +0530)]
ARM: EXYNOS5: Fix kernel dump in AFTR idle mode

The kernel crashes while resuming from AFTR idle mode. It happens
because L2 cache was not going into retention state.

This patch configures the USE_RETENTION bit of ARM_L2_OPTION register
so that it does not depend on MANUAL_L2RSTDISABLE_CONTROL of
ARM_COMMON_OPTION register for L2RSTDISABLE signal.

Signed-off-by: Inderpal Singh <inderpal.singh@linaro.org>
Tested-by: Chander Kashyap <chander.kashyap@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
11 years agoMerge tag 'omap-for-v3.10/dt-fixes-for-merge-window' of git://git.kernel.org/pub...
Olof Johansson [Thu, 9 May 2013 20:14:02 +0000 (13:14 -0700)]
Merge tag 'omap-for-v3.10/dt-fixes-for-merge-window' of git://git./linux/kernel/git/tmlind/linux-omap into fixes

From Tony Lindgren:
Omap device tree fixes for issue discovered during the merge window:

- Fix triggering for GPIO interrupts that's needed for 4430sdp
  Ethernet. Otherwise booting with nfsroot won't work.
- Fix CPU operating point values
- Fix wrong assumption that twl PMIC is always connected to omap3
- Add gpmc for am33xx so beaglebone users can use the bus
- Cosmetic fix for mcspi pin muxing to avoid confusion

* tag 'omap-for-v3.10/dt-fixes-for-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: dts: don't assume boards are using twl4030 for omap3
  ARM: dts: Configure and fix the McSPI pins for 4430sdp
  ARM: dts: AM33XX: Add GPMC node
  ARM: dts: OMAP4460: Fix CPU OPP voltages
  ARM: dts: OMAP36xx: Fix CPU OPP voltages
  ARM: dts: OMAP4: Fix ethernet IRQ for OMAP4 boards

11 years agoMerge tag 'omap-for-v3.10/fixes-for-merge-window-part2' of git://git.kernel.org/pub...
Olof Johansson [Thu, 9 May 2013 20:12:31 +0000 (13:12 -0700)]
Merge tag 'omap-for-v3.10/fixes-for-merge-window-part2' of git://git./linux/kernel/git/tmlind/linux-omap into fixes

From Tony Lindgren:
Omap fixes for things that were discovered during the merge window:

- Few GPMC fixes and binding doc updates noted after sending
  pull requests for the GPMC branch.
- Board fixes for beagle usb host and rx51 spi probe order
- SoC fixes dt earlyprintk, omap1 dma and omap2+ id.c error
  handling fixes

Then few minor things that are not strictly fixes but are good
to get out of the way:

- Add missing legacy mux registers for am/dm73x gpio
- Add detection for am33xx pg2.1 silicon
- Enable twl4030 audio modules in defconfig

* tag 'omap-for-v3.10/fixes-for-merge-window-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP2+: Remove bogus IS_ERR_OR_NULL checking from id.c
  ARM: OMAP4+: omap2plus_defconfig: Enable audio via TWL6040 as module
  ARM: OMAP2: AM33XX: id: Add support for new AM335x PG2.1 Si
  omap: mux: add AM/DM37x gpios
  ARM: OMAP1: DMA: fix error handling in omap1_system_dma_init()
  ARM: OMAP2+: omap_device: use late_initcall_sync
  ARM: OMAP: RX-51: change probe order of touchscreen and panel SPI devices
  ARM: OMAP3: Beagle: Fix USB Host on beagle xM Ax/Bx
  ARM: OMAP2+: only WARN if a GPMC child probe function fail
  ARM: OMAP2+: only search for GPMC DT child nodes on probe
  Documentation: dt: update properties in TI GPMC NAND example
  Documentation: dt: update TI GPMC ethernet binding properties

Signed-off-by: Olof Johansson <olof@lixom.net>
11 years agoARM: ux500: Rid ignored return value of regulator_enable() compiler warning
Lee Jones [Thu, 2 May 2013 15:48:07 +0000 (16:48 +0100)]
ARM: ux500: Rid ignored return value of regulator_enable() compiler warning

arch/arm/mach-ux500/board-mop500.c: In function ‘mop500_prox_activate’:
arch/arm/mach-ux500/board-mop500.c:406:18: warning: ignoring return value of
        ‘regulator_enable’, declared with attribute warn_unused_result
        [-Wunused-result]

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
11 years agoARM: ux500: read the correct soc_id number
Fabio Baltieri [Wed, 20 Feb 2013 08:29:16 +0000 (09:29 +0100)]
ARM: ux500: read the correct soc_id number

Fix db8500_read_soc_id() to read all five soc_id number locations
instead of repeating the second one two times.

Signed-off-by: Fabio Baltieri <fabio.baltieri@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
11 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux...
Linus Torvalds [Thu, 9 May 2013 20:07:40 +0000 (13:07 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/mason/linux-btrfs

Pull btrfs update from Chris Mason:
 "These are mostly fixes.  The biggest exceptions are Josef's skinny
  extents and Jan Schmidt's code to rebuild our quota indexes if they
  get out of sync (or you enable quotas on an existing filesystem).

  The skinny extents are off by default because they are a new variation
  on the extent allocation tree format.  btrfstune -x enables them, and
  the new format makes the extent allocation tree about 30% smaller.

  I rebased this a few days ago to rework Dave Sterba's crc checks on
  the super block, but almost all of these go back to rc6, since I
  though 3.9 was due any minute.

  The biggest missing fix is the tracepoint bug that was hit late in
  3.9.  I ran into problems with that in overnight testing and I'm still
  tracking it down.  I'll definitely have that fixed for rc2."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs: (101 commits)
  Btrfs: allow superblock mismatch from older mkfs
  btrfs: enhance superblock checks
  btrfs: fix misleading variable name for flags
  btrfs: use unsigned long type for extent state bits
  Btrfs: improve the loop of scrub_stripe
  btrfs: read entire device info under lock
  btrfs: remove unused gfp mask parameter from release_extent_buffer callchain
  btrfs: handle errors returned from get_tree_block_key
  btrfs: make static code static & remove dead code
  Btrfs: deal with errors in write_dev_supers
  Btrfs: remove almost all of the BUG()'s from tree-log.c
  Btrfs: deal with free space cache errors while replaying log
  Btrfs: automatic rescan after "quota enable" command
  Btrfs: rescan for qgroups
  Btrfs: split btrfs_qgroup_account_ref into four functions
  Btrfs: allocate new chunks if the space is not enough for global rsv
  Btrfs: separate sequence numbers for delayed ref tracking and tree mod log
  btrfs: move leak debug code to functions
  Btrfs: return free space in cow error path
  Btrfs: set UUID in root_item for created trees
  ...

11 years agoARM: exynos: dts: cros5250: add cyapa trackpad
Olof Johansson [Fri, 26 Apr 2013 23:41:21 +0000 (16:41 -0700)]
ARM: exynos: dts: cros5250: add cyapa trackpad

Trivial patch, adding the i2c Cypress trackpad used on Snow.

Signed-off-by: Olof Johansson <olof@lixom.net>
Reviewed-by: Doug Anderson <dianders@chromium.org>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
11 years agoMerge tag 'for-linus-v3.10-rc1-2' of git://oss.sgi.com/xfs/xfs
Linus Torvalds [Thu, 9 May 2013 20:06:20 +0000 (13:06 -0700)]
Merge tag 'for-linus-v3.10-rc1-2' of git://oss.sgi.com/xfs/xfs

Pull xfs update (#2) from Ben Myers:

 - add CONFIG_XFS_WARN, a step between zero debugging and
   CONFIG_XFS_DEBUG.

 - fix attrmulti and attrlist to fall back to vmalloc when kmalloc
   fails.

* tag 'for-linus-v3.10-rc1-2' of git://oss.sgi.com/xfs/xfs:
  xfs: fallback to vmalloc for large buffers in xfs_compat_attrlist_by_handle
  xfs: fallback to vmalloc for large buffers in xfs_attrlist_by_handle
  xfs: introduce CONFIG_XFS_WARN

11 years agovideo: mxsfb: Adapt to new videomode API
Fabio Estevam [Wed, 8 May 2013 13:05:55 +0000 (21:05 +0800)]
video: mxsfb: Adapt to new videomode API

commit 6cd2c7db4 (videomode: videomode_from_timing work) changed the name of
the function from videomode_from_timing() to videomode_from_timings().

commit 32ed6ef1 (videomode: create enum for videomode's display flags) changed
the 'data_flags' field in videomode structure to 'flags'

Adapt to these changes in order to fix the following errors:

drivers/video/mxsfb.c:761:3: error: too many arguments to function 'videomode_from_timing'
drivers/video/mxsfb.c:761:7: error: void value not ignored as it ought to be
drivers/video/mxsfb.c:768:9: error: 'struct videomode' has no member named 'data_flags'
drivers/video/mxsfb.c:770:9: error: 'struct videomode' has no member named 'data_flags'

Also, select VIDEOMODE_HELPER instead of OF_VIDEOMODE, as this one is
deprecated.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
11 years agoARM: imx: Select GENERIC_ALLOCATOR
Fabio Estevam [Wed, 8 May 2013 13:05:54 +0000 (21:05 +0800)]
ARM: imx: Select GENERIC_ALLOCATOR

Since commit 657eee7 (media: coda: use genalloc API) the following build
error happens with imx_v4_v5_defconfig:

drivers/built-in.o: In function 'coda_remove':
clk-composite.c:(.text+0x112180): undefined reference to 'gen_pool_free'
drivers/built-in.o: In function 'coda_probe':
clk-composite.c:(.text+0x112310): undefined reference to 'of_get_named_gen_pool'
clk-composite.c:(.text+0x1123f4): undefined reference to 'gen_pool_alloc'
clk-composite.c:(.text+0x11240c): undefined reference to 'gen_pool_virt_to_phys'
clk-composite.c:(.text+0x112458): undefined reference to 'dev_get_gen_pool'

Select GENERIC_ALLOCATOR and get rid of the custom IRAM_ALLOC.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
11 years agoARM: imx: compile fix for hotplug.c
Shawn Guo [Wed, 8 May 2013 13:05:53 +0000 (21:05 +0800)]
ARM: imx: compile fix for hotplug.c

Commit bca7a5a (ARM: cpu hotplug: remove majority of cache flushing
from platforms) removes include of <asm/cacheflush.h> and hence
discovers a few indirect inclusion and declaration problems as below.

  CC      arch/arm/mach-imx/hotplug.o
In file included from arch/arm/mach-imx/hotplug.c:16:0:
arch/arm/mach-imx/common.h:100:29: warning: ‘struct pt_regs’ declared inside parameter list [enabled by default]
arch/arm/mach-imx/common.h:100:29: warning: its scope is only this definition or declaration, which is probably not what you want [enabled by default]
arch/arm/mach-imx/common.h:101:29: warning: ‘struct pt_regs’ declared inside parameter list [enabled by default]
arch/arm/mach-imx/hotplug.c: In function ‘imx_cpu_die’:
arch/arm/mach-imx/hotplug.c:53:2: error: implicit declaration of function ‘cpu_do_idle’ [-Werror=implicit-function-declaration]
arch/arm/mach-imx/hotplug.c: In function ‘imx_cpu_kill’:
arch/arm/mach-imx/hotplug.c:58:26: error: ‘jiffies’ undeclared (first use in this function)
arch/arm/mach-imx/hotplug.c:58:26: note: each undeclared identifier is reported only once for each function it appears in
arch/arm/mach-imx/hotplug.c:58:2: error: implicit declaration of function ‘msecs_to_jiffies’ [-Werror=implicit-function-declaration]
arch/arm/mach-imx/hotplug.c:61:3: error: implicit declaration of function ‘time_after’ [-Werror=implicit-function-declaration]

Fix them by adding the needed inclusion and declaration.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Olof Johansson <olof@lixom.net>
11 years agoMerge branch 'late/fixes' into fixes
Olof Johansson [Thu, 9 May 2013 20:05:00 +0000 (13:05 -0700)]
Merge branch 'late/fixes' into fixes

* late/fixes:
  ARM: OMAP2+: Fix unmet direct dependencies for SERIAL_OMAP
  ARM: ux500: always select ABX500_CORE
  ARM: SIRF: select SMP_ON_UP only on SMP builds
  ARM: SPEAr: conditionalize l2x0 support
  ARM: imx: build CPU suspend code only when needed
  ARM: OMAP: build SMP code only for OMAP4/5
  ARM: tegra: Tegra114 needs CPU_FREQ_TABLE
  ARM: default machine descriptor for multiplatform

Signed-off-by: Olof Johansson <olof@lixom.net>
11 years agoNVMe: Use user defined admin ioctl timeout
Keith Busch [Thu, 9 May 2013 20:01:38 +0000 (14:01 -0600)]
NVMe: Use user defined admin ioctl timeout

Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
11 years agousb: tilegx: fix memleak when create hcd fail
Libo Chen [Thu, 9 May 2013 06:08:33 +0000 (02:08 -0400)]
usb: tilegx: fix memleak when create hcd fail

When usb_create_hcd fail, we should call gxio_usb_host_destroy

Signed-off-by: Libo Chen <libo.chen@huawei.com>
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com> [extended to EHCI]
11 years agoarch/tile: remove inline marking of EXPORT_SYMBOL functions
Denis Efremov [Thu, 9 May 2013 10:36:53 +0000 (14:36 +0400)]
arch/tile: remove inline marking of EXPORT_SYMBOL functions

EXPORT_SYMBOL and inline directives are contradictory to each other.
The patch fixes this inconsistency.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Denis Efremov <yefremov.denis@gmail.com>
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
11 years agoecryptfs: don't open-code kernel_read()
Al Viro [Wed, 8 May 2013 02:28:48 +0000 (22:28 -0400)]
ecryptfs: don't open-code kernel_read()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
11 years agoMerge tag 'nfs-for-3.10-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
Linus Torvalds [Thu, 9 May 2013 17:24:54 +0000 (10:24 -0700)]
Merge tag 'nfs-for-3.10-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs

Pull more NFS client bugfixes from Trond Myklebust:

 - Ensure that we match the 'sec=' mount flavour against the server list

 - Fix the NFSv4 byte range locking in the presence of delegations

 - Ensure that we conform to the NFSv4.1 spec w.r.t.  freeing lock
   stateids

 - Fix a pNFS data server connection race

* tag 'nfs-for-3.10-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
  NFS4.1 Fix data server connection race
  NFSv3: match sec= flavor against server list
  NFSv4.1: Ensure that we free the lock stateid on the server
  NFSv4: Convert nfs41_free_stateid to use an asynchronous RPC call
  SUNRPC: Don't spam syslog with "Pseudoflavor not found" messages
  NFSv4.x: Fix handling of partially delegated locks

11 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Linus Torvalds [Thu, 9 May 2013 17:23:43 +0000 (10:23 -0700)]
Merge git://git./linux/kernel/git/davem/net

Pull networking update from David Miller:

 1) Propagate return error values properly in irda, spider_net, sfc, and
    bfin_mac.  From Wei Yongjun.

 2) Fix fec driver OOPS on rapid link up/down, from Frank Li.

 3) FIX VF resource allocation and chip message payload length errors in
    be2net driver, from Sathya Perla.

 4) Fix inner protocol inspection during GSO from Pravin B Shelar.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
  if_cablemodem.h: Add parenthesis around ioctl macros
  gso: Handle Trans-Ether-Bridging protocol in skb_network_protocol()
  net: fec: fix kernel oops when plug/unplug cable many times
  bfin_mac: fix error return code in bfin_mac_probe()
  sfc: fix return value check in efx_ptp_probe_channel()
  net/spider_net: fix error return code in spider_net_open()
  net/irda: fix error return code in bfin_sir_open()
  net: of_mdio: fix behavior on missing phy device
  sierra_net: keep status interrupt URB active
  usbnet: allow status interrupt URB to always be active
  qmi_wwan/cdc_ether: add device IDs for Dell 5804 (Novatel E371) WWAN card
  be2net: disable TX in be_close()
  be2net: fix EQ from getting full while cleaning RX CQ
  be2net: fix payload_len value for GET_MAC_LIST cmd req
  be2net: provision VF resources before enabling SR-IOV

11 years agoMerge tag 'pci-v3.10-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaa...
Linus Torvalds [Thu, 9 May 2013 17:21:44 +0000 (10:21 -0700)]
Merge tag 'pci-v3.10-fixes-1' of git://git./linux/kernel/git/helgaas/pci

Pull PCI updates from Bjorn Helgaas:
 "MSI:
      PCI: Set ->mask_pos correctly
  Hotplug:
      PCI: Delay final fixups until resources are assigned
  Moorestown:
      x86/pci/mrst: Use configuration mechanism 1 for 00:00.0, 00:02.0, 00:03.0"

* tag 'pci-v3.10-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
  PCI: Delay final fixups until resources are assigned
  x86/pci/mrst: Use configuration mechanism 1 for 00:00.0, 00:02.0, 00:03.0
  PCI: Set ->mask_pos correctly

11 years agoxtensa simdisk: Fix proc_create_data() conversion fallout
Geert Uytterhoeven [Thu, 9 May 2013 12:08:31 +0000 (14:08 +0200)]
xtensa simdisk: Fix proc_create_data() conversion fallout

arch/xtensa/platforms/iss/simdisk.c: In function 'proc_read_simdisk':
arch/xtensa/platforms/iss/simdisk.c:220:12: warning: initialization discards 'const' qualifier from pointer target type [enabled by default]
arch/xtensa/platforms/iss/simdisk.c: In function 'proc_write_simdisk':
arch/xtensa/platforms/iss/simdisk.c:241:38: error: 'buffer' undeclared (first use in this function)
arch/xtensa/platforms/iss/simdisk.c:241:38: note: each undeclared identifier is reported only once for each function it appears in

Introduced by commit a69755b187749e7cc020e17127a54f395aea4eaa ("xtensa
simdisk: switch to proc_create_data()")

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
11 years agoMerge tag 'for-linus-20130509' of git://git.infradead.org/linux-mtd
Linus Torvalds [Thu, 9 May 2013 17:15:46 +0000 (10:15 -0700)]
Merge tag 'for-linus-20130509' of git://git.infradead.org/linux-mtd

Pull MTD update from David Woodhouse:

 - Lots of cleanups from Artem, including deletion of some obsolete
   drivers

 - Support partitions larger than 4GiB in device tree

 - Support for new SPI chips

* tag 'for-linus-20130509' of git://git.infradead.org/linux-mtd: (83 commits)
  mtd: omap2: Use module_platform_driver()
  mtd: bf5xx_nand: Use module_platform_driver()
  mtd: denali_dt: Remove redundant use of of_match_ptr
  mtd: denali_dt: Change return value to fix smatch warning
  mtd: denali_dt: Use module_platform_driver()
  mtd: denali_dt: Fix incorrect error check
  mtd: nand: subpage write support for hardware based ECC schemes
  mtd: omap2: use msecs_to_jiffies()
  mtd: nand_ids: use size macros
  mtd: nand_ids: improve LEGACY_ID_NAND macro a bit
  mtd: add 4 Toshiba nand chips for the full-id case
  mtd: add the support to parse out the full-id nand type
  mtd: add new fields to nand_flash_dev{}
  mtd: sh_flctl: Use of_match_ptr() macro
  mtd: gpio: Use of_match_ptr() macro
  mtd: gpio: Use devm_kzalloc()
  mtd: davinci_nand: Use of_match_ptr()
  mtd: dataflash: Use of_match_ptr() macro
  mtd: remove h720x flash support
  mtd: onenand: remove OneNAND simulator
  ...

11 years agoMerge tag 'firewire-updates' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee139...
Linus Torvalds [Thu, 9 May 2013 17:11:48 +0000 (10:11 -0700)]
Merge tag 'firewire-updates' of git://git./linux/kernel/git/ieee1394/linux1394

Pull firewure updates from Stefan Richter:
  - fix controller removal when controller is in suspended state
  - fix video reception on VIA VT6306 with gstreamer, MythTV, and maybe dv4l
  - fix a startup issue with Agere/LSI FW643-e2
  - error logging improvements and other small updates

* tag 'firewire-updates' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394:
  firewire: ohci: dump_stack() for PHY regs read/write failures
  firewire: ohci: Improve bus reset error messages
  firewire: ohci: Alias dev_* log functions
  firewire: ohci: Fix 'failed to read phy reg' on FW643 rev8
  firewire: ohci: fix VIA VT6306 video reception
  firewire: ohci: Check LPS before register access on pci removal
  firewire: ohci: Fix double free_irq()
  firewire: remove unnecessary alloc/OOM messages
  firewire: sbp2: replace BUG_ON by WARN_ON
  firewire: core: remove an always false test
  firewire: Remove two unneeded checks for macros

11 years agoMerge tag 'edac_fixes_for_3.10' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Thu, 9 May 2013 17:11:08 +0000 (10:11 -0700)]
Merge tag 'edac_fixes_for_3.10' of git://git./linux/kernel/git/bp/bp

Pull two small EDAC fixes from Borislav Petkov.

* tag 'edac_fixes_for_3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp:
  EDAC: Don't give write permission to read-only files
  EDAC, mc_sysfs.c: Fix string array pointer types

11 years agoMerge git://www.linux-watchdog.org/linux-watchdog
Linus Torvalds [Thu, 9 May 2013 17:09:14 +0000 (10:09 -0700)]
Merge git://www.linux-watchdog.org/linux-watchdog

Pull watchdog update from Wim Van Sebroeck:
 "Fix a kdump issue in hpwdt and a possible NULL dereference"

* git://www.linux-watchdog.org/linux-watchdog:
  watchdog: Fix race condition in registration code
  watchdog: Convert to devm_ioremap_resource()

11 years agoMerge tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux
Linus Torvalds [Thu, 9 May 2013 16:59:16 +0000 (09:59 -0700)]
Merge tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux

Pull removal of GENERIC_GPIO from Grant Likely:
 "GENERIC_GPIO now synonymous with GPIOLIB.  There are no longer any
  valid cases for enableing GENERIC_GPIO without GPIOLIB, even though it
  is possible to do so which has been causing confusion and breakage.
  This branch does the work to completely eliminate GENERIC_GPIO."

* tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux:
  gpio: update gpio Chinese documentation
  Remove GENERIC_GPIO config option
  Convert selectors of GENERIC_GPIO to GPIOLIB
  blackfin: force use of gpiolib
  m68k: coldfire: use gpiolib
  mips: pnx833x: remove requirement for GENERIC_GPIO
  openrisc: default GENERIC_GPIO to false
  avr32: default GENERIC_GPIO to false
  xtensa: remove explicit selection of GENERIC_GPIO
  sh: replace CONFIG_GENERIC_GPIO by CONFIG_GPIOLIB
  powerpc: remove redundant GENERIC_GPIO selection
  unicore32: default GENERIC_GPIO to false
  unicore32: remove unneeded select GENERIC_GPIO
  arm: plat-orion: use GPIO driver on CONFIG_GPIOLIB
  arm: remove redundant GENERIC_GPIO selection
  mips: alchemy: require gpiolib
  mips: txx9: change GENERIC_GPIO to GPIOLIB
  mips: loongson: use GPIO driver on CONFIG_GPIOLIB
  mips: remove redundant GENERIC_GPIO select

11 years agoMerge branch 'for-linus' of git://git.infradead.org/users/vkoul/slave-dma
Linus Torvalds [Thu, 9 May 2013 16:46:45 +0000 (09:46 -0700)]
Merge branch 'for-linus' of git://git.infradead.org/users/vkoul/slave-dma

Pull slave-dmaengine updates from Vinod Koul:
 "This time we have dmatest improvements from Andy along with dw_dmac
  fixes.  He has also done support for acpi for dmanegine.

  Also we have bunch of fixes going in DT support for dmanegine for
  various folks.  Then Haswell and other ioat changes from Dave and
  SUDMAC support from Shimoda."

* 'for-linus' of git://git.infradead.org/users/vkoul/slave-dma: (53 commits)
  dma: tegra: implement suspend/resume callbacks
  dma:of: Use a mutex to protect the of_dma_list
  dma: of: Fix of_node reference leak
  dmaengine: sirf: move driver init from module_init to subsys_initcall
  sudmac: add support for SUDMAC
  dma: sh: add Kconfig
  at_hdmac: move to generic DMA binding
  ioatdma: ioat3_alloc_sed can be static
  ioatdma: Adding write back descriptor error status support for ioatdma 3.3
  ioatdma: S1200 platforms ioatdma channel 2 and 3 falsely advertise RAID cap
  ioatdma: Adding support for 16 src PQ ops and super extended descriptors
  ioatdma: Removing hw bug workaround for CB3.x .2 and earlier
  dw_dmac: add ACPI support
  dmaengine: call acpi_dma_request_slave_channel as well
  dma: acpi-dma: introduce ACPI DMA helpers
  dma: of: Remove unnecessary list_empty check
  DMA: OF: Check properties value before running be32_to_cpup() on it
  DMA: of: Constant names
  ioatdma: skip silicon bug workaround for pq_align for cb3.3
  ioatdma: Removing PQ val disable for cb3.3
  ...

11 years agoMerge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux
Linus Torvalds [Thu, 9 May 2013 16:40:49 +0000 (09:40 -0700)]
Merge branch 'next' of git://git./linux/kernel/git/rzhang/linux

Pull thermal management update from Zhang Rui:
 "The most important one is to build thermal core and governor and cpu
  cooling code into one module.  This fixes a regression that thermal
  core does not work if it is built as module, since 3.7.  I'll backport
  them to stable kernel once those changes are in upstream.

  The largest batch is the thermal kernel-doc & coding style
  updates/cleanups from Eduardo.

  Highlights:

   - build all thermal framework code into one module to fix a
     regression that thermal does not work if it is built as module.

   - Marvell Armada 370/XP thermal sensor driver

   - thermal core/cpu cooling kernel-doc & coding style updates and
     cleanups.

   - Add Eduardo Valentin as thermal sub-maintainer, both in mailing
     list and patchwork.  He will help me on arm thermal drivers."

* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux: (68 commits)
  thermal: db8500_cpufreq_cooling: remove usage of IS_ERR_OR_NULL()
  thermal: thermal_core: remove usage of IS_ERR_OR_NULL
  thermal: cpu_cooling: improve line breaking
  thermal: cpu_cooling: alignment improvements
  thermal: cpu_cooling: remove checkpatch.pl warning
  thermal: cpu_cooling: remove trailing blank line
  thermal: cpu_cooling: align on open parenthesis
  thermal: cpu_cooling: standardize comment style
  thermal: cpu_cooling: standardize end of function
  thermal: cpu_cooling: remove trailing white spaces
  Thermal: update documentation for thermal_zone_device_register
  thermal: update kernel-doc for thermal_zone_device_register
  thermal: update kernel-doc for create_trip_attrs
  thermal: update kernel-doc for thermal_cooling_device_register
  thermal: update kernel-doc for thermal_zone_unbind_cooling_device
  thermal: update kernel-doc for thermal_zone_bind_cooling_device
  thermal: use EXPORT_SYMBOL_GPL
  thermal: rename notify_thermal_framework to thermal_notify_framework
  thermal: update driver license
  thermal: use strlcpy instead of strcpy
  ...

11 years agoARM: dts: don't assume boards are using twl4030 for omap3
Jason Cooper [Thu, 9 May 2013 16:06:57 +0000 (09:06 -0700)]
ARM: dts: don't assume boards are using twl4030 for omap3

If a board isn't using twl4030, then dtc will complain about the missing
phandle (which is in twl4030.dtsi).  Move the phy declaration to the dts
files.

Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Signed-off-by: Tony Lindgren <tony@atomide.com>
11 years agoARM: OMAP2+: Remove bogus IS_ERR_OR_NULL checking from id.c
Tony Lindgren [Thu, 9 May 2013 15:27:25 +0000 (08:27 -0700)]
ARM: OMAP2+: Remove bogus IS_ERR_OR_NULL checking from id.c

Commit 6770b211 (ARM: OMAP2+: Export SoC information to userspace)
had some broken return value handling as noted by Russell King:

+       soc_dev = soc_device_register(soc_dev_attr);
+       if (IS_ERR_OR_NULL(soc_dev)) {
+               kfree(soc_dev_attr);
+               return;
+       }
+
+       parent = soc_device_to_device(soc_dev);
+       if (!IS_ERR_OR_NULL(parent))
+               device_create_file(parent, &omap_soc_attr);

This is nonsense.  For the first, IS_ERR() is sufficient.  For the second,
tell me what error checking is required in the return value of this
function:

struct device *soc_device_to_device(struct soc_device *soc_dev)
{
        return &soc_dev->dev;
}

when you've already determined that the passed soc_dev is a valid pointer.
If you read the comments against the prototype:

/**
 * soc_device_to_device - helper function to fetch struct device
 * @soc: Previously registered SoC device container
 */
struct device *soc_device_to_device(struct soc_device *soc);

if "soc" is valid, it means the "previously registered SoC device container"
must have succeeded and that can only happen if the struct device has been
registered.  Ergo, there will always be a valid struct device pointer for
any registered SoC device container.  Therefore, if soc_device_register()
succeeds, then the return value from soc_device_to_device() will always be
valid and no error checking of it is required.

Simples.  The rule as ever applies here: get to know the APIs your using
and don't fumble around in the dark hoping that you'll get this stuff
right.

Fix it as noted by Russell.

Reported-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Tony Lindgren <tony@atomide.com>
11 years agoEDAC: Don't give write permission to read-only files
Srivatsa S. Bhat [Tue, 30 Apr 2013 09:47:16 +0000 (15:17 +0530)]
EDAC: Don't give write permission to read-only files

I get the following warning on boot:

------------[ cut here ]------------
WARNING: at drivers/base/core.c:575 device_create_file+0x9a/0xa0()
Hardware name:  -[8737R2A]-
Write permission without 'store'
...
</snip>

Drilling down, this is related to dynamic channel ce_count attribute
files sporting a S_IWUSR mode without a ->store() function. Looking
around, it appears that they aren't supposed to have a ->store()
function. So remove the bogus write permission to get rid of the
warning.

Signed-off-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Cc: Mauro Carvalho Chehab <mchehab@redhat.com>
Cc: <stable@vger.kernel.org> # 3.[89]
[ shorten commit message ]
Signed-off-by: Borislav Petkov <bp@suse.de>
11 years agoxtensa: Switch to asm-generic/linkage.h
Geert Uytterhoeven [Tue, 7 May 2013 09:57:33 +0000 (11:57 +0200)]
xtensa: Switch to asm-generic/linkage.h

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
11 years agoxtensa: fix redboot load address
Chris Zankel [Thu, 9 May 2013 05:44:18 +0000 (22:44 -0700)]
xtensa: fix redboot load address

With the patch to support MMUv3, the base address for the loaded
binary image has changed, and a fix was applied to the U-Boot image.
This fixes the RedBoot image.

Signed-off-by: Chris Zankel <chris@zankel.net>
11 years agoxtensa: ISS: fix timer_lock usage in rs_open
Max Filippov [Mon, 4 Feb 2013 19:38:13 +0000 (23:38 +0400)]
xtensa: ISS: fix timer_lock usage in rs_open

This fixes the following lockdep splat:

[   66.460000] =================================
[   66.460000] [ INFO: inconsistent lock state ]
[   66.460000] 3.9.0-rc5-00161-ga48dd49 #4 Not tainted
[   66.460000] ---------------------------------
[   66.460000] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage.
[   66.460000] swapper/1 [HC0[0]:SC1[1]:HE1:SE0] takes:
[   66.460000]  (timer_lock){+.?...}, at: [<d0006cde>] rs_poll+0x12/0xdc
[   66.460000] {SOFTIRQ-ON-W} state was registered at:
[   66.460000]   [<d00421f0>] lock_acquire+0xec/0x13c
[   66.460000]   [<d01ea036>] _raw_spin_lock+0x3a/0x84
[   66.460000]   [<d0006c8c>] rs_open+0x18/0x58
[   66.460000]   [<d0139ea2>] tty_open+0x262/0x3cc
[   66.460000]   [<d00942e0>] chrdev_open+0x8c/0xe0
[   66.460000]   [<d00907b2>] do_dentry_open$isra$16+0x10e/0x190
[   66.460000]   [<d0091141>] finish_open+0x39/0x48
[   66.460000]   [<d009a0b4>] do_last$isra$34+0x6c4/0x824
[   66.460000]   [<d009a27a>] path_openat+0x66/0x310
[   66.460000]   [<d009a53a>] do_filp_open+0x16/0x44
[   66.460000]   [<d0091445>] do_sys_open+0xd5/0x13c
[   66.460000]   [<d00914be>] sys_open+0x12/0x18
[   66.460000]   [<d0413ffc>] kernel_init_freeable+0xe4/0x12c
[   66.460000]   [<d01e2a9c>] kernel_init+0xc/0x9c
[   66.460000]   [<d00044fc>] ret_from_kernel_thread+0x8/0xc
[   66.460000] irq event stamp: 132542
[   66.460000] hardirqs last  enabled at (132542): [<d01ea2ec>] _raw_spin_unlock_irq+0x30/0x44
[   66.460000] hardirqs last disabled at (132541): [<d01ea11e>] _raw_spin_lock_irq+0xe/0x8c
[   66.460000] softirqs last  enabled at (132234): [<d0017d32>] __do_softirq+0x216/0x2a4
[   66.460000] softirqs last disabled at (132539): [<d0018024>] irq_exit+0x38/0x40
[   66.460000]
[   66.460000] other info that might help us debug this:
[   66.460000]  Possible unsafe locking scenario:
[   66.460000]
[   66.460000]        CPU0
[   66.460000]        ----
[   66.460000]   lock(timer_lock);
[   66.460000]   <Interrupt>
[   66.460000]     lock(timer_lock);
[   66.460000]
[   66.460000]  *** DEADLOCK ***
[   66.460000]
[   66.460000] 1 lock held by swapper/1:
[   66.460000]  #0:  (((&serial_timer))){+.-...}, at: [<d001c65c>] call_timer_fn+0x0/0x1f0
[   66.460000]
Stack: d7c2fac0 00000018 00000004 00000001 d7c2faa0 00000004 00000006 d7c2fa90
       9003e87c d7c2fae0 d7c30000 d025a87c 00000001 0000000f 00000000 d7c2fac0
       9004005d d7c2fb10 d7c30000 d7c30338 00000001 00000001 00000000 d7c30338
[   66.460000] Call Trace:
[   66.460000]  [<d01e4f93>] print_usage_bug$part$26+0x1c3/0x1c8
[   66.460000]  [<d003e87c>] mark_lock+0x2b4/0x440
[   66.460000]  [<d004005d>] __lock_acquire+0x54d/0x16c4
[   66.460000]  [<d00421f0>] lock_acquire+0xec/0x13c
[   66.460000]  [<d01ea036>] _raw_spin_lock+0x3a/0x84
[   66.460000]  [<d0006cde>] rs_poll+0x12/0xdc
[   66.460000]  [<d001c71a>] call_timer_fn+0xbe/0x1f0
[   66.460000]  [<d001cd90>] run_timer_softirq+0x198/0x1f4
[   66.460000]  [<d0017c30>] __do_softirq+0x114/0x2a4
[   66.460000]  [<d0018024>] irq_exit+0x38/0x40
[   66.460000]  [<d00046c0>] do_IRQ+0x44/0x48
[   66.460000]  [<d0005c58>] do_interrupt+0x4c/0x54
[   66.460000]  [<d0003c80>] common_exception_return+0x0/0x5c
[   66.460000]  [<d006682c>] free_pcppages_bulk+0x254/0x308
[   66.460000]

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
11 years agoxtensa: disable IRQs while IRQ handler is running
Max Filippov [Mon, 25 Mar 2013 22:51:43 +0000 (02:51 +0400)]
xtensa: disable IRQs while IRQ handler is running

IRQ handlers are expected to run with IRQs disabled.
See e.g. http://lwn.net/Articles/380931/ for a longer story.

This was overlooked in the commit
  2d1c645 xtensa: dispatch medium-priority interrupts
Revert to old behavior and simplify interrupt entry and exit code.
Interrupt handler still honours IRQ priority.

do_notify_resume/schedule must be called with interrupts enabled, enable
interrupts if we return from user exception.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
11 years agoxtensa: enable lockdep support
Max Filippov [Mon, 15 Apr 2013 05:21:35 +0000 (09:21 +0400)]
xtensa: enable lockdep support

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
11 years agoxtensa: fix arch_irqs_disabled_flags implementation
Max Filippov [Sun, 31 Mar 2013 02:34:10 +0000 (06:34 +0400)]
xtensa: fix arch_irqs_disabled_flags implementation

IRQs are disabled when PS.EXCM is set or PS.INTLEVEL is equal to or
higher than LOCKLEVEL.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
11 years agoxtensa: add irq flags trace support
Max Filippov [Sun, 31 Mar 2013 02:32:42 +0000 (06:32 +0400)]
xtensa: add irq flags trace support

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
11 years agoxtensa: provide custom CALLER_ADDR* implementations
Max Filippov [Sun, 7 Apr 2013 21:29:19 +0000 (01:29 +0400)]
xtensa: provide custom CALLER_ADDR* implementations

Definition of CALLER_ADDR* through __builtin_return_address makes
compiler insert calls to __xtensa_libgcc_window_spill, which in turn
makes fast_syscall_spill_registers syscall that clobbers registers when
called from the kernel mode, leading to invalid opcode exceptions on
return to userspace.

Provide definition for CALLER_ADDR0 as MAKE_PC_FROM_RA(a0, a1) and in
case CONFIG_FRAME_POINTER is enabled extract CALLER_ADDR{1-3} from
stack.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
11 years agoxtensa: add stacktrace support
Max Filippov [Mon, 15 Apr 2013 05:20:48 +0000 (09:20 +0400)]
xtensa: add stacktrace support

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
11 years agoxtensa: clean up stpill_registers
Max Filippov [Sat, 6 Apr 2013 00:10:13 +0000 (04:10 +0400)]
xtensa: clean up stpill_registers

- remove unused asm parameters;
- fix EXCM bit setting in the PS SR during _spill_registers call.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
11 years agoxtensa: don't use a7 in simcalls
Max Filippov [Mon, 15 Apr 2013 04:39:41 +0000 (08:39 +0400)]
xtensa: don't use a7 in simcalls

To support FRAME_POINTER avoid using a7 in __simc (none of the existing
simcalls needs it). Replace calls to __simc with more specific
simc_read, simc_write and simc_lseek calls.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
11 years agoxtensa: don't attempt to use unconfigured timers
Max Filippov [Sun, 10 Mar 2013 08:07:14 +0000 (12:07 +0400)]
xtensa: don't attempt to use unconfigured timers

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
11 years agoxtensa: provide default platform_pcibios_init implementation
Max Filippov [Sat, 30 Mar 2013 21:08:22 +0000 (01:08 +0400)]
xtensa: provide default platform_pcibios_init implementation

This fixes the following build error:

  arch/xtensa/kernel/built-in.o:(.init.literal+0xe8): undefined reference
to `platform_pcibios_init'
  arch/xtensa/kernel/built-in.o: In function `setup_arch':
  (.init.text+0x20e): undefined reference to `platform_pcibios_init'

and allows platform to omit definition of platform_pcibios_init if it's
empty.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
11 years agoxtensa: remove KCORE_ELF again
Paul Bolle [Fri, 22 Mar 2013 00:40:51 +0000 (01:40 +0100)]
xtensa: remove KCORE_ELF again

The Kconfig symbol KCORE_ELF was removed in v2.6.0, but reappeared in two
architectures. It is useless. Remove it again.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
11 years agoxtensa: document MMUv3 setup sequence
Max Filippov [Mon, 4 Mar 2013 19:48:14 +0000 (23:48 +0400)]
xtensa: document MMUv3 setup sequence

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
11 years agoxtensa: add MMU v3 support
Max Filippov [Mon, 3 Dec 2012 11:01:43 +0000 (15:01 +0400)]
xtensa: add MMU v3 support

MMUv3 comes out of reset with identity vaddr -> paddr mapping in the TLB
way 6:

Way 6 (512 MB)
        Vaddr       Paddr       ASID  Attr RWX Cache
        ----------  ----------  ----  ---- --- -------
        0x00000000  0x00000000  0x01  0x03 RWX Bypass
        0x20000000  0x20000000  0x01  0x03 RWX Bypass
        0x40000000  0x40000000  0x01  0x03 RWX Bypass
        0x60000000  0x60000000  0x01  0x03 RWX Bypass
        0x80000000  0x80000000  0x01  0x03 RWX Bypass
        0xa0000000  0xa0000000  0x01  0x03 RWX Bypass
        0xc0000000  0xc0000000  0x01  0x03 RWX Bypass
        0xe0000000  0xe0000000  0x01  0x03 RWX Bypass

This patch adds remapping code at the reset vector or at the kernel
_start (depending on CONFIG_INITIALIZE_XTENSA_MMU_INSIDE_VMLINUX) that
reconfigures MMUv3 as MMUv2:

Way 5 (128 MB)
        Vaddr       Paddr       ASID  Attr RWX Cache
        ----------  ----------  ----  ---- --- -------
        0xd0000000  0x00000000  0x01  0x07 RWX WB
        0xd8000000  0x00000000  0x01  0x03 RWX Bypass
Way 6 (256 MB)
        Vaddr       Paddr       ASID  Attr RWX Cache
        ----------  ----------  ----  ---- --- -------
        0xe0000000  0xf0000000  0x01  0x07 RWX WB
        0xf0000000  0xf0000000  0x01  0x03 RWX Bypass

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
11 years agoxtensa: fix ibreakenable register update
Max Filippov [Sun, 3 Mar 2013 23:40:42 +0000 (03:40 +0400)]
xtensa: fix ibreakenable register update

Only set the register when there is at least one ibreak register,
otherwise the build fails:
arch/xtensa/kernel/head.S:105: Error: invalid register 'ibreakenable'
for 'wsr' instruction
arch/xtensa/platforms/iss/setup.c:67: Error: invalid register
'ibreakenable' for 'wsr' instruction

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
11 years agoxtensa: fix oprofile building as module
Max Filippov [Mon, 25 Feb 2013 15:01:33 +0000 (19:01 +0400)]
xtensa: fix oprofile building as module

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
11 years agowatchdog: Fix race condition in registration code
Guenter Roeck [Sat, 6 Apr 2013 04:22:43 +0000 (21:22 -0700)]
watchdog: Fix race condition in registration code

A race condition exists when registering the first watchdog device.
Sequence of events:

- watchdog_register_device calls watchdog_dev_register
- watchdog_dev_register creates the watchdog misc device by calling
  misc_register.
  At that time, the matching character device (/dev/watchdog0) does not yet
  exist, and old_wdd is not set either.
- Userspace gets an event and opens /dev/watchdog
- watchdog_open is called and sets wdd = old_wdd, which is still NULL,
  and tries to dereference it. This causes the kernel to panic.

Seen with systemd trying to open /dev/watchdog immediately after
it was created.

Reported-by: Arkadiusz Miskiewicz <arekm@maven.pl>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Tested-by: Arkadiusz Miskiewicz <arekm@maven.pl>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
11 years agowatchdog: Convert to devm_ioremap_resource()
Sachin Kamat [Mon, 4 Mar 2013 05:06:41 +0000 (10:36 +0530)]
watchdog: Convert to devm_ioremap_resource()

Use the newly introduced devm_ioremap_resource() instead of
devm_request_and_ioremap() which provides more consistent error handling.

devm_ioremap_resource() provides its own error messages; so all explicit
error messages can be removed from the failure code paths.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Reviewed-by: Thierry Reding <thierry.reding@avionic-design.de>
Cc: Gabor Juhos <juhosg@openwrt.org>
Cc: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
11 years agoARM: dts: Configure and fix the McSPI pins for 4430sdp
Tony Lindgren [Wed, 8 May 2013 23:13:14 +0000 (16:13 -0700)]
ARM: dts: Configure and fix the McSPI pins for 4430sdp

The bootloader configures the pins, but has pull bits
set without pull enable bits. While this is harmless,
and won't do anything, it seems to cause confusion at
least for me every time looking at the pin configuration.
Fix it for DT based boot.

Signed-off-by: Tony Lindgren <tony@atomide.com>
11 years agoARM: dts: AM33XX: Add GPMC node
Philip Avinash [Thu, 2 May 2013 09:44:03 +0000 (15:14 +0530)]
ARM: dts: AM33XX: Add GPMC node

Add GPMC data node to AM33XX device tree file.

Signed-off-by: Philip Avinash <avinashphilip@ti.com>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Pekon Gupta <pekon@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
11 years agoARM: dts: OMAP4460: Fix CPU OPP voltages
Nishanth Menon [Fri, 26 Apr 2013 17:39:33 +0000 (12:39 -0500)]
ARM: dts: OMAP4460: Fix CPU OPP voltages

commit d16fb25 (ARM: dts: OMAP4460: Add CPU OPP table)
introduced wrong OPP voltages per OPP by mistake. Sync the OPP
tables with existing OMAP4460 OPP data in
arch/arm/mach-omap2/opp4xxx_data.c

Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>