Commit Graph

141454 Commits

Author SHA1 Message Date
Linus Torvalds
18b15fcde7 Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes form Peter Anvin

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  intel_mid_powerbtn: mark irq as IRQF_NO_SUSPEND
  arch/x86/platform/geode/net5501.c: change active_low to 0 for LED driver
  x86, relocs: Remove an unused variable
  asm-generic: Use __BITS_PER_LONG in statfs.h
  x86/amd: Re-enable CPU topology extensions in case BIOS has disabled it
2012-05-06 12:19:38 -07:00
Linus Torvalds
59068e369b Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux
Pull an ACPI patch from Len Brown:
 "It fixes a D3 issue new in 3.4-rc1."

By Lin Ming via Len Brown:
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux:
  ACPI: Fix D3hot v D3cold confusion
2012-05-05 10:06:06 -07:00
Lin Ming
1cc0c998fd ACPI: Fix D3hot v D3cold confusion
Before this patch, ACPI_STATE_D3 incorrectly referenced D3hot
in some places, but D3cold in other places.

After this patch, ACPI_STATE_D3 always means ACPI_STATE_D3_COLD;
and all references to D3hot use ACPI_STATE_D3_HOT.

ACPI's _PR3 method is used to enter both D3hot and D3cold states.
What distinguishes D3hot from D3cold is the presence _PR3
(Power Resources for D3hot)  If these resources are all ON,
then the state is D3hot.  If _PR3 is not present,
or all _PR0 resources for the devices are OFF,
then the state is D3cold.

This patch applies after Linux-3.4-rc1.
A future syntax cleanup may remove ACPI_STATE_D3
to emphasize that it always means ACPI_STATE_D3_COLD.

Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
Reviewed-by: Aaron Lu <aaron.lu@amd.com>
Signed-off-by: Len Brown <len.brown@intel.com>
2012-05-05 01:19:52 -04:00
Linus Torvalds
f756beba94 Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fix from Thomas Gleixner.

* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  rtc: Fix possible null pointer dereference in rtc-mpc5121.c
2012-05-04 15:35:09 -07:00
Yong Wang
ab27a20e62 intel_mid_powerbtn: mark irq as IRQF_NO_SUSPEND
So that the power button still wakes up the platform.

Signed-off-by: Pierre Tardy <pierre.tardy@intel.com>
Link: http://lkml.kernel.org/r/20120504210244.F2EA5A018B@akpm.mtv.corp.google.com
Tested-by: Kangkai Yin <kangkai.yin@intel.com>
Tested-by: Yong Wang <yong.y.wang@intel.com>
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Cc: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2012-05-04 14:40:52 -07:00
Linus Torvalds
f0f376f204 Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
 "Some minor fixes from Intel and a radeon fix.

  I have the nouveau fix for the i2c regression queued for next week,
  its mostly a revert and seems to work on the system it was originally
  introduced for thanks to some i2c core changes."

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
  drm/radeon: clarify and extend wb setup on APUs and NI+ asics
  drm/i915: enable dip before writing data on gen4
  fixing dmi match for hp t5745 and hp st5747 thin client
  drm/i915: Only enable IPS polling for gen5
  drm/i915: Do not read non-existent DPLL registers on PCH hardware
2012-05-04 07:57:13 -07:00
Linus Torvalds
08542241cf One small fix for md/bitmaps
This fixes a regression that was introduced in the merge window.
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Merge tag 'md-3.4-fixes' of git://neil.brown.name/md

Pull one small fix for md/bitmaps from NeilBrown:
 "This fixes a regression that was introduced in the merge window."

* tag 'md-3.4-fixes' of git://neil.brown.name/md:
  md/bitmap: fix calculation of 'chunks' - missing shift.
2012-05-04 07:56:22 -07:00
Alex Deucher
c994ead62c drm/radeon: clarify and extend wb setup on APUs and NI+ asics
Use family rather than DCE check for clarity, also always use
wb on APUs, there will never be AGP variants.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-05-04 09:36:11 +01:00
NeilBrown
b16b1b6cd0 md/bitmap: fix calculation of 'chunks' - missing shift.
commit 61a0d80c "md/bitmap: discard CHUNK_BLOCK_SHIFT macro"
replaced CHUNK_BLOCK_RATIO() by the same text that was
replacing CHUNK_BLOCK_SHIFT() - which is clearly wrong.

The result is that 'chunks' is often too small by 1,
which can sometimes result in a crash (not sure how).

So use the correct replacement, and get rid of CHUNK_BLOCK_RATIO
which is no longe used.

Reported-by: Karl Newman <siliconfiend@gmail.com>
Tested-by: Karl Newman <siliconfiend@gmail.com>
Signed-off-by: NeilBrown <neilb@suse.de>
2012-05-04 17:03:18 +10:00
Linus Torvalds
0a6ba092d1 Second MFD pull request for 3.4 fixes
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Merge tag 'mfd-for-linus-3.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6

Pull second set of MFD fixes from Samuel Ortiz:
 "This time we only have a one liner fixing an omap-usb build error."

* tag 'mfd-for-linus-3.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6:
  mfd: Fix build breakage in omap-usb-host.c
2012-05-03 17:21:05 -07:00
Linus Torvalds
65e62b502b Merge branch 'efi-vars' from Matthew Garrett
* efi-vars:
  efivars: Improve variable validation
2012-05-03 17:19:48 -07:00
Matthew Garrett
54b3a4d311 efivars: Improve variable validation
Ben Hutchings pointed out that the validation in efivars was inadequate -
most obviously, an entry with size 0 would server as a DoS against the
kernel. Improve this based on his suggestions.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-05-03 17:19:19 -07:00
Linus Torvalds
6b4c555a6b Change summary:
1) Fix regression that could cause a misdiagnosis, which in turn could
    lead to an erroneous 3.0 Gbps -> 1.5 downshift, particularly when hotplug
    and suspend/resume is involved.
 
 2) Fix a regression that led to ata%d controller ids being numbered one
    larger than in <= 3.4-rc3 (oh, the horror!).  Controller ids should now be
    as expected.
 
 3) add some DT, PCI id's
 
 4) ata/pata_arasan_cf: minor cpp fixing/cleaning
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Merge tag 'tag/upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev

Pull libata fixes from Jeff Garzik:

1) Fix regression that could cause a misdiagnosis, which in turn could
   lead to an erroneous 3.0 Gbps -> 1.5 downshift, particularly when hotplug
   and suspend/resume is involved.

2) Fix a regression that led to ata%d controller ids being numbered one
   larger than in <= 3.4-rc3 (oh, the horror!).  Controller ids should now be
   as expected.

3) add some DT, PCI id's

4) ata/pata_arasan_cf: minor cpp fixing/cleaning

* tag 'tag/upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev:
  ata: ahci_platform: Add synopsys ahci controller in DT's compatible list
  ata/pata_arasan_cf: Move arasan_cf_pm_ops out of #ifdef, #endif macros
  libata: init ata_print_id to 0
  ahci: Detect Marvell 88SE9172 SATA controller
  libata: skip old error history when counting probe trials
2012-05-03 17:16:52 -07:00
Linus Torvalds
4e78f00261 Merge branch 'i2c-embedded/for-current' of git://git.pengutronix.de/git/wsa/linux
Pull i2c embedded fixes from Wolfram Sang:
 "Here are some typical i2c driver bugfixes for 3.4.  Missed clock
  handling, improper timeout fixes, hardware wrokarounds...  All
  patches have been in linux-next for a few days, too."

* 'i2c-embedded/for-current' of git://git.pengutronix.de/git/wsa/linux:
  i2c: mxs: disable QUEUE when sending is done
  i2c: mxs: handle spurious interrupt
  i2c-eg20t: Modify MODULE_AUTHOR's email address
  i2c-eg20t: change timeout value 50msec to 1000msec
  i2c: tegra: Add delay before resetting the controller after NACK
  i2c: pnx: Disable clk in suspend
2012-05-03 17:15:47 -07:00
Linus Torvalds
f5645b5959 Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
 "Just some regression fixes from Ben along with a variable that gcc
  failed to spot is uninitialised."

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
  nouveau: initialise has_optimus variable.
  drm/nv10/gpio: fix thinko in mask for gpio lines 2-9
  nvc0/fb: shut up PMFB interrupt after the first occurrence
  drm/nouveau/hdmi: use correct hdmi regs for nvaa/nvac
  drm/nouveau/bios: fix regression on some nv4x board
2012-05-03 17:14:55 -07:00
Linus Torvalds
c42f1d4b52 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:

 1) Transfer padding was wrong for full-speed USB in ASIX driver, fix
    from Ingo van Lil.

 2) Propagate the negative packet offset fix into the PowerPC BPF JIT.
    From Jan Seiffert.

 3) dl2k driver's private ioctls were letting unprivileged tasks make
    MII writes and other ugly bits like that.  Fix from Jeff Mahoney.

 4) Fix TX VLAN and RX packet drops in ucc_geth, from Joakim Tjernlund.

 5) OOPS and network namespace fixes in IPVS from Hans Schillstrom and
    Julian Anastasov.

 6) Fix races and sleeping in locked context bugs in drop_monitor, from
    Neil Horman.

 7) Fix link status indication in smsc95xx driver, from Paolo Pisati.

 8) Fix bridge netfilter OOPS, from Peter Huang.

 9) L2TP sendmsg can return on error conditions with the socket lock
    held, oops.  Fix from Sasha Levin.

10) udp_diag should return meaningful values for socket memory usage,
    from Shan Wei.

11) Eric Dumazet is so awesome he gets his own section:

       Socket memory cgroup code (I never should have applied those
       patches, grumble...) made erroneous changes to
       sk_sockets_allocated_read_positive().  It was changed to
       use percpu_counter_sum_positive (which requires BH disabling)
       instead of percpu_counter_read_positive (which does not).
       Revert back to avoid crashes and lockdep warnings.

       Adjust the default tcp_adv_win_scale and tcp_rmem[2] values
       to fix throughput regressions.  This is necessary as a result
       of our more precise skb->truesize tracking.

       Fix SKB leak in netem packet scheduler.

12) New device IDs for various bluetooth devices, from Manoj Iyer,
    AceLan Kao, and Steven Harms.

13) Fix command completion race in ipw2200, from Stanislav Yakovlev.

14) Fix rtlwifi oops on unload, from Larry Finger.

15) Fix hard_mtu when adjusting hard_header_len in smsc95xx driver.
    From Stephane Fillod.

16) ehea driver registers it's IRQ before all the necessary state is
    setup, resulting in crashes.  Fix from Thadeu Lima de Souza
    Cascardo.

17) Fix PHY connection failures in davinci_emac driver, from Anatolij
    Gustschin.

18) Missing break; in switch statement in bluetooth's
    hci_cmd_complete_evt().  Fix from Szymon Janc.

19) Fix queue programming in iwlwifi, from Johannes Berg.

20) Interrupt throttling defaults not being actually programmed into the
    hardware, fix from Jeff Kirsher and Ying Cai.

21) TLAN driver SKB encoding in descriptor busted on 64-bit, fix from
    Benjamin Poirier.

22) Fix blind status block RX producer pointer deref in TG3 driver, from
    Matt Carlson.

23) Promisc and multicast are busted on ehea, fixes from Thadeu Lima de
    Souza Cascardo.

24) Fix crashes in 6lowpan, from Alexander Smirnov.

25) tcp_complete_cwr() needs to be careful to not rewind the CWND to
    ssthresh if ssthresh has the "infinite" value.  Fix from Yuchung
    Cheng.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (81 commits)
  sungem: Fix WakeOnLan
  tcp: change tcp_adv_win_scale and tcp_rmem[2]
  net: l2tp: unlock socket lock before returning from l2tp_ip_sendmsg
  drop_monitor: prevent init path from scheduling on the wrong cpu
  usbnet: fix failure handling in usbnet_probe
  usbnet: fix leak of transfer buffer of dev->interrupt
  ucc_geth: Add 16 bytes to max TX frame for VLANs
  net: ucc_geth, increase no. of HW RX descriptors
  netem: fix possible skb leak
  sky2: fix receive length error in mixed non-VLAN/VLAN traffic
  sky2: propogate rx hash when packet is copied
  net: fix two typos in skbuff.h
  cxgb3: Don't call cxgb_vlan_mode until q locks are initialized
  ixgbe: fix calling skb_put on nonlinear skb assertion bug
  ixgbe: Fix a memory leak in IEEE DCB
  igbvf: fix the bug when initializing the igbvf
  smsc75xx: enable mac to detect speed/duplex from phy
  smsc75xx: declare smsc75xx's MII as GMII capable
  smsc75xx: fix phy interrupt acknowledge
  smsc75xx: fix phy init reset loop
  ...
2012-05-03 17:10:39 -07:00
Linus Torvalds
913a904169 hwmon fixes for 3.4-rc6
Fix OOPS seen in coretemp driver if the CPU core ID is too large
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Merge tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon fixes from Guenter Roeck:
 "Fix OOPS seen in coretemp driver if the CPU core ID is too large"

* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  hwmon: (coretemp) Increase CPU core limit
  hwmon: (coretemp) fix oops on cpu unplug
2012-05-03 17:08:58 -07:00
Viresh Kumar
5f098a3ea7 ata: ahci_platform: Add synopsys ahci controller in DT's compatible list
SPEAr13xx series of SoCs contain Synopsys AHCI SATA Controller which shares
ahci_platform driver with other controller versions.

This patch updates DT compatible list for ahci_platform. It also updates and
renames binding documentation to more generic name.

Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Cc: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2012-05-03 14:08:53 -04:00
Viresh Kumar
fb9751d471 ata/pata_arasan_cf: Move arasan_cf_pm_ops out of #ifdef, #endif macros
#ifdef, #endif is not required in definition/usage of arasan_cf_pm_ops. So, move
this definition and its usage outside of them.

Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2012-05-03 14:08:03 -04:00
Tero Roponen
a78f57af61 libata: init ata_print_id to 0
When comparing the dmesg between 3.4-rc3 and 3.4-rc4 I found the
following differences:

 -ata1: SATA max UDMA/133 abar m2048@0xf9fff000 port 0xf9fff100 irq 47
 -ata2: SATA max UDMA/133 abar m2048@0xf9fff000 port 0xf9fff180 irq 47
 -ata3: DUMMY
 +ata2: SATA max UDMA/133 abar m2048@0xf9fff000 port 0xf9fff100 irq 47
 +ata3: SATA max UDMA/133 abar m2048@0xf9fff000 port 0xf9fff180 irq 47
  ata4: DUMMY
  ata5: DUMMY
 -ata6: SATA max UDMA/133 abar m2048@0xf9fff000 port 0xf9fff380 irq 47
 +ata6: DUMMY
 +ata7: SATA max UDMA/133 abar m2048@0xf9fff000 port 0xf9fff380 irq 47

The change of numbering comes from commit 85d6725b7c ("libata:
make ata_print_id atomic") that changed lines like

	ap->print_id = ata_print_id++;
		to
	ap->print_id = atomic_inc_return(&ata_print_id);

As the latter behaves like ++ata_print_id, we must initialize
it to zero to start the numbering from one.

Signed-off-by: Tero Roponen <tero.roponen@gmail.com>
Acked-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2012-05-03 14:07:59 -04:00
Matt Johnson
642d892522 ahci: Detect Marvell 88SE9172 SATA controller
The Marvell 88SE9172 SATA controller (PCI ID 1b4b 917a) already worked
once it was detected, but was missing an ahci_pci_tbl entry.

Boot tested on a Gigabyte Z68X-UD3H-B3 motherboard.

Signed-off-by: Matt Johnson <johnso87@illinois.edu>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2012-05-03 14:07:40 -04:00
Lin Ming
6868225e3e libata: skip old error history when counting probe trials
Commit d902747("[libata] Add ATA transport class") introduced
ATA_EFLAG_OLD_ER to mark entries in the error ring as cleared.

But ata_count_probe_trials_cb() didn't check this flag and it still
counts the old error history. So wrong probe trials count is returned
and it causes problem, for example, SATA link speed is slowed down from
3.0Gbps to 1.5Gbps.

Fix it by checking ATA_EFLAG_OLD_ER in ata_count_probe_trials_cb().

Cc: stable <stable@vger.kernel.org> # 2.6.37+
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2012-05-03 14:05:58 -04:00
Dave Airlie
b6bb962589 Merge branch 'drm-intel-fixes' of git://people.freedesktop.org/~danvet/drm-intel into drm-fixes
* 'drm-intel-fixes' of git://people.freedesktop.org/~danvet/drm-intel:
  drm/i915: enable dip before writing data on gen4
  fixing dmi match for hp t5745 and hp st5747 thin client
  drm/i915: Only enable IPS polling for gen5
  drm/i915: Do not read non-existent DPLL registers on PCH hardware
2012-05-03 17:27:02 +01:00
Paulo Zanoni
c1230df7e1 drm/i915: enable dip before writing data on gen4
While testing with the intel_infoframes tool on gen4, I see that when
video DIP is disabled, what we write to the DATA memory is not exactly
what we read back later.

This regression has been introduce in

commit 64a8fc0145
Author: Jesse Barnes <jbarnes@virtuousgeek.org>
Date:   Thu Sep 22 11:16:00 2011 +0530

    drm/i915: fix ILK+ infoframe support

That commit was setting VIDEO_DIP_CTL to 0 when initializing, which
caused the problem.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=43947
Cc: stable@kernel.org
Tested-by: Yang Guang <guang.a.yang@intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
[danvet: Pimped commit message by using the usual commit citation
layout.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2012-05-03 15:55:38 +02:00
Dave Airlie
addde4ec31 nouveau: initialise has_optimus variable.
We should initialise this to 0 really to avoid getting false positives.

Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-05-03 09:30:58 +01:00
Gerard Lledo
5a8887d39e sungem: Fix WakeOnLan
WakeOnLan was broken in this driver because gp->asleep_wol is a 1-bit
bitfield and it was being assigned WAKE_MAGIC, which is (1 << 5).
gp->asleep_wol remains 0 and the machine never wakes up.  Fixed by casting
gp->wake_on_lan to bool.  Tested on an iBook G4.

Signed-off-by: Gerard Lledo <gerard.lledo@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-03 01:42:55 -04:00
tom.leiming@gmail.com
a4723848d0 usbnet: fix failure handling in usbnet_probe
If register_netdev returns failure, the dev->interrupt and
its transfer buffer should be released, so just fix it.

Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-02 20:13:04 -04:00
tom.leiming@gmail.com
720f3d7cb1 usbnet: fix leak of transfer buffer of dev->interrupt
The transfer buffer of dev->interrupt is allocated in .probe path,
but not freed in .disconnet path, so mark the interrupt URB as
URB_FREE_BUFFER to free the buffer when the URB is destroyed.

Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Acked-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-02 20:13:03 -04:00
Joakim Tjernlund
70f8002d78 ucc_geth: Add 16 bytes to max TX frame for VLANs
Creating a VLAN interface on top of ucc_geth adds 4 bytes
to the frame and the HW controller is not prepared to
TX a frame bigger than 1518 bytes which is 4 bytes too
small for a full VLAN frame. Add 16 bytes which will handle
the a simple VLAN and leaves 12 bytes for future expansion.

Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-02 20:09:04 -04:00
Joakim Tjernlund
5bbdc057c2 net: ucc_geth, increase no. of HW RX descriptors
In a busy network we see ucc_geth is dropping RX pkgs every now
and then. Increase the RX queues HW descriptors from
16 to 32 to deal with this.

Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-02 20:09:04 -04:00
Linus Torvalds
ac001e7654 USB patches for 3.4-rc5
Here are two EHCI Tegra driver patches for your tree.
 
 The first is a bit big, but the majority is just moving code around. It
 is needed due to the other EHCI core changes that went in way back in
 3.4-rc1, so this driver will now properly handle suspend/resume, as it
 was broken.  The other one is a minor bugfix that resolves an warning
 that people have been seeing.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB patches from Greg Kroah-Hartman:
 "Here are two EHCI Tegra driver patches for your tree.

  The first is a bit big, but the majority is just moving code around.
  It is needed due to the other EHCI core changes that went in way back
  in 3.4-rc1, so this driver will now properly handle suspend/resume, as
  it was broken.  The other one is a minor bugfix that resolves an
  warning that people have been seeing."

* tag 'usb-3.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
  USB: ehci-tegra: remove redundant gpio_set_value
  EHCI: update PM methods in ehci-tegra.c
2012-05-02 13:48:33 -07:00
Linus Torvalds
c89ff23960 TTY fix for 3.4-rc5
This is a deadlock bugfix that was easy to hit, and that the vt layer lock
 rework got wrong, so it reverts the logic back to the way it was in 3.3 and
 earlier kernels to prevent problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-3.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull a TTY fix from Greg Kroah-Hartman:
 "This is a deadlock bugfix that was easy to hit, and that the vt layer
  lock rework got wrong, so it reverts the logic back to the way it was
  in 3.3 and earlier kernels to prevent problems."

* tag 'tty-3.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
  vt: Fix deadlock on scroll-lock
2012-05-02 13:47:49 -07:00
Marc Gariepy
62004978df fixing dmi match for hp t5745 and hp st5747 thin client
Match the correct information which is DMI_PRODUCT_NAME instead of DMI_BOARD_NAME
See dmidecode information on launchpad for both thin client:

https://bugs.launchpad.net/ubuntu/+source/linux/+bug/911920
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/911916

Signed-off-by: Marc Gariepy <mgariepy@ubuntu.com>
Reviewed-by: Adam Jackson <ajax@redhat.com>
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2012-05-02 21:41:33 +02:00
Chris Wilson
e90f3b61f4 drm/i915: Only enable IPS polling for gen5
On SandyBridge IPS was entirely implemented in hardware and not reliant
on the driver monitoring power consumption and feeding back desired run
states, so the hardware is able to adapt quicker and more flexibly. Which
is a huge relief for us as we no longer have to carry empirically
derived magic algorithms.

Yet despite the advance in technology, the driver was still doing its
IPS polling on all machines. Restrict it to the only supported hardware,
Clarkdale/Arrandale.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Tested-by: Andrey Rahmatullin <wrar@wrar.name>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=49025
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2012-05-02 14:37:52 +02:00
Chris Wilson
074b5e1a99 drm/i915: Do not read non-existent DPLL registers on PCH hardware
We only execute intel_decrease_pllclock for pre-PCH hardware, typically
gen4 mobiles. However, in the variable declaration we did read from the
non-PCH DPLL register, quite naughty and detected by SandyBridge.

Reported-and-tested-by: Andrey Rahmatullin <wrar@wrar.name>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=49025
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2012-05-02 14:37:51 +02:00
John W. Linville
076e7779c0 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless into for-davem 2012-05-01 14:14:05 -04:00
Stephen Warren
04c235c92c USB: ehci-tegra: remove redundant gpio_set_value
The immediately preceding gpio_direction_output() already set the value,
so there's no need to repeat it. This also prevents gpio_set_value() from
WARNing when the GPIO is sleepable (e.g. is on an I2C expander); the set
direction API is always sleepable, but plain set_value isn't.

Cc: <stable@vger.kernel.org> # v3.3
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-05-01 14:11:51 -04:00
Alan Stern
ebf20de453 EHCI: update PM methods in ehci-tegra.c
This patch (as1547) rearranges the Power Management parts of the
ehci-tegra driver to match the conventions used in other EHCI platform
drivers.  In particular, the controller should not be powered down by
the root hub's suspend routine; the controller's power level should be
managed by the controller's own PM methods.

The end result of the patch is that the standard ehci_bus_suspend()
and ehci_bus_resume() methods can be used instead of special-purpose
routines.  The driver now uses the standard dev_pm_ops methods instead
of legacy power management.  Since there is no supported wakeup
mechanism for the controller, runtime suspend is forbidden by default
(this can be overridden via sysfs, if desired).

These adjustments are needed in order to make ehci-tegra compatible
with recent changes to the USB core.  The core now checks the root
hub's status following bus suspend; if the controller is automatically
powered down during bus suspend then the check will fail and the root
hub will be resumed immediately.  Doing the controller power-down in a
separate method avoids this problem.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Tested-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-05-01 14:06:36 -04:00
Alan Cox
84f904ecd3 vt: Fix deadlock on scroll-lock
Fixing the locking accidentally replaced a race in the scroll
lock handling with a deadlock. Turn it back into a race for
now.

The basic problem is that there are two paths into the tty
stop/start helpers. One via the tty layer ^S/^Q handling
where we need to take the kbd_event_lock and one via the
special keyboard handler for fn_hold where we already hold
it. Probably we need to split out into a separate LED lock
but for now just go back to the race as it's a bit close
to release.

Reported-by: Clemens Ladisch <clemens@ladisch.de>
Cc: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-05-01 14:01:28 -04:00
stephen hemminger
e072b3fad5 sky2: fix receive length error in mixed non-VLAN/VLAN traffic
Bug: The VLAN bit of the MAC RX Status Word is unreliable in several older
supported chips. Sometimes the VLAN bit is not set for valid VLAN packets
and also sometimes the VLAN bit is set for non-VLAN packets that came after
a VLAN packet. This results in a receive length error when VLAN hardware
tagging is enabled.

Fix: Variation on original fix proposed by Mirko.
The VLAN information is decoded in the status loop, and can be
applied to the received SKB there. This eliminates the need for the
separate tag field in the interface data structure. The tag has to
be copied and cleared if packet is copied. This version checked out
with vlan and normal traffic.

Note: vlan_tx_tag_present should be renamed vlan_tag_present, but that
is outside scope of this.

Reported-by: Mirko Lindner <mlindner@marvell.com>
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-01 13:39:13 -04:00
stephen hemminger
3f42941b5d sky2: propogate rx hash when packet is copied
When a small packet is received, the driver copies it to a new skb to allow
reusing the full size Rx buffer. The copy was propogating the checksum offload
but not the receive hash information. The bug is impact was mostly harmless
and therefore not observed until reviewing this area of code.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-01 13:39:13 -04:00
Guenter Roeck
bdc71c9a87 hwmon: (coretemp) Increase CPU core limit
CPU core ID is used to index the core_data[] array. The core ID is, however, not
sequential; 10-core CPUS can have a core ID as high as 25. Increase the limit to
32 to be able to deal with current CPUs.

Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Cc: stable@vger.kernel.org # 3.0+
Acked-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Durgadoss R <durgadoss.r@intel.com>
2012-05-01 09:16:14 -07:00
Kirill A. Shutemov
b704871124 hwmon: (coretemp) fix oops on cpu unplug
coretemp tries to access core_data array beyond bounds on cpu unplug if
core id of the cpu if more than NUM_REAL_CORES-1.

BUG: unable to handle kernel NULL pointer dereference at 000000000000013c
IP: [<ffffffffa00159af>] coretemp_cpu_callback+0x93/0x1ba [coretemp]
PGD 673e5a067 PUD 66e9b3067 PMD 0
Oops: 0000 [#1] SMP
CPU 79
Modules linked in: sunrpc cpufreq_ondemand acpi_cpufreq freq_table mperf bnep bluetooth rfkill ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter nf_conntrack_ipv4 nf_defrag_ipv4 ip6_tables xt_state nf_conntrack coretemp crc32c_intel asix tpm_tis pcspkr usbnet iTCO_wdt i2c_i801 microcode mii joydev tpm i2c_core iTCO_vendor_support tpm_bios i7core_edac igb ioatdma edac_core dca megaraid_sas [last unloaded: oprofile]

Pid: 3315, comm: set-cpus Tainted: G        W    3.4.0-rc5+ #2 QCI QSSC-S4R/QSSC-S4R
RIP: 0010:[<ffffffffa00159af>]  [<ffffffffa00159af>] coretemp_cpu_callback+0x93/0x1ba [coretemp]
RSP: 0018:ffff880472fb3d48  EFLAGS: 00010246
RAX: 0000000000000124 RBX: 0000000000000034 RCX: 00000000ffffffff
RDX: 0000000000000000 RSI: 0000000000000046 RDI: 0000000000000246
RBP: ffff880472fb3d88 R08: ffff88077fcd36c0 R09: 0000000000000001
R10: ffffffff8184bc48 R11: 0000000000000000 R12: ffff880273095800
R13: 0000000000000013 R14: ffff8802730a1810 R15: 0000000000000000
FS:  00007f694a20f720(0000) GS:ffff88077fcc0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: 000000000000013c CR3: 000000067209b000 CR4: 00000000000007e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process set-cpus (pid: 3315, threadinfo ffff880472fb2000, task ffff880471fa0000)
Stack:
 ffff880277b4c308 0000000000000003 ffff880472fb3d88 0000000000000005
 0000000000000034 00000000ffffffd1 ffffffff81cadc70 ffff880472fb3e14
 ffff880472fb3dc8 ffffffff8161f48d ffff880471fa0000 0000000000000034
Call Trace:
 [<ffffffff8161f48d>] notifier_call_chain+0x4d/0x70
 [<ffffffff8107f1be>] __raw_notifier_call_chain+0xe/0x10
 [<ffffffff81059d30>] __cpu_notify+0x20/0x40
 [<ffffffff815fa251>] _cpu_down+0x81/0x270
 [<ffffffff815fa477>] cpu_down+0x37/0x50
 [<ffffffff815fd6a3>] store_online+0x63/0xc0
 [<ffffffff813c7078>] dev_attr_store+0x18/0x30
 [<ffffffff811f02cf>] sysfs_write_file+0xef/0x170
 [<ffffffff81180443>] vfs_write+0xb3/0x180
 [<ffffffff8118076a>] sys_write+0x4a/0x90
 [<ffffffff816236a9>] system_call_fastpath+0x16/0x1b
Code: 48 c7 c7 94 60 01 a0 44 0f b7 ac 10 ac 00 00 00 31 c0 e8 41 b7 5f e1 41 83 c5 02 49 63 c5 49 8b 44 c4 10 48 85 c0 74 56 45 31 ff <39> 58 18 75 4e eb 1f 49 63 d7 4c 89 f7 48 89 45 c8 48 6b d2 28
RIP  [<ffffffffa00159af>] coretemp_cpu_callback+0x93/0x1ba [coretemp]
 RSP <ffff880472fb3d48>
CR2: 000000000000013c

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: stable@vger.kernel.org # 3.0+
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
2012-05-01 08:18:05 -07:00
Dave Airlie
e6586240a6 Merge branch 'drm-nouveau-fixes' of git://git.freedesktop.org/git/nouveau/linux-2.6 into drm-fixes
* 'drm-nouveau-fixes' of git://git.freedesktop.org/git/nouveau/linux-2.6:
  drm/nv10/gpio: fix thinko in mask for gpio lines 2-9
  nvc0/fb: shut up PMFB interrupt after the first occurrence
  drm/nouveau/hdmi: use correct hdmi regs for nvaa/nvac
  drm/nouveau/bios: fix regression on some nv4x board
2012-05-01 12:25:06 +01:00
Russ Dill
13176a89e1 mfd: Fix build breakage in omap-usb-host.c
'ARM: OMAP3: USB: Fix the EHCI ULPI PHY reset issue' removes the include for
linux/gpio.h from omap-usb-host.c. This include indirectly includes plat/cpu.h
which is required by omap-usb-host.c. Fix the build breakage by including
it directly.

Acked-by: Keshava Munegowda <keshava_mgowda@ti.com>
Acked-by: Kevin Hilman <khilman@ti.com>
Tested-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Russ Dill <Russ.Dill@ti.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-05-01 11:55:04 +02:00
Roland Dreier
60158e6464 cxgb3: Don't call cxgb_vlan_mode until q locks are initialized
The driver calls cxgb_vlan_mode() from init_one().  This calls into
synchronize_rx(), which locks all the q locks, but the q locks are not
initialized until cxgb_up() -> setup_sge_qsets().  So move the call to
cxgb_vlan_mode() into cxgb_up(), after the call to setup_sge_qsets().
We also move the body of these functions up higher to avoid having to
a forward declaration.

This was found because of the lockdep warning:

    INFO: trying to register non-static key.
    the code is fine but needs lockdep annotation.
    turning off the locking correctness validator.
    Pid: 323, comm: work_for_cpu Not tainted 3.4.0-rc5 #28
    Call Trace:
     [<ffffffff8106e767>] register_lock_class+0x108/0x2d0
     [<ffffffff8106ff42>] __lock_acquire+0xd3/0xd06
     [<ffffffff81070fd0>] lock_acquire+0xbf/0xfe
     [<ffffffff813862a6>] _raw_spin_lock_irq+0x36/0x45
     [<ffffffffa01e71aa>] cxgb_vlan_mode+0x96/0xcb [cxgb3]
     [<ffffffffa01f90eb>] init_one+0x8c4/0x980 [cxgb3]
     [<ffffffff811fcbf0>] local_pci_probe+0x3f/0x70
     [<ffffffff81042206>] do_work_for_cpu+0x10/0x22
     [<ffffffff810482de>] kthread+0xa1/0xa9
     [<ffffffff8138e234>] kernel_thread_helper+0x4/0x10

Contrary to what lockdep says, the code is not fine: we are locking an
uninitialized spinlock.

Signed-off-by: Roland Dreier <roland@purestorage.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-04-30 22:08:44 -04:00
David S. Miller
787cb2a9eb Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net 2012-04-30 22:04:20 -04:00
Yi Zou
441e1719f2 ixgbe: fix calling skb_put on nonlinear skb assertion bug
With the support to bounce buffer added, the skb is coming as nonlinear in the
case of non-DDPed data frames for FCoE, which is mostly ok as the FCoE stack
would take care of that. However, for target mode, we have to set the FC CRC
and FC EOF field to allow the protocol stack to not drop the frame for the last
data frame of that sequence. So fix this by linearizing the skb first before
doing skb_put().

Signed-off-by: Yi Zou <yi.zou@intel.com>
Tested-by: Marcus Dennis <marcusx.e.dennis@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2012-04-30 18:54:52 -07:00
Alexander Duyck
2b1588c3fa ixgbe: Fix a memory leak in IEEE DCB
The driver was freeing memory in shutdown instead of remove.  As a result
we were leaking memory if IEEE DCB was enabled and we loaded/unloaded the
driver.  This change moves the freeing of the memory into the remove
routine where it belongs.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Acked-by: John Fastabend <john.r.fastabend@intel.com>
Tested-by: Ross Brattain <ross.b.brattain@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2012-04-30 18:54:43 -07:00
Samuel Liao
9bd1be457d igbvf: fix the bug when initializing the igbvf
Maybe it's a typo, but it cause that igbvf can't be initialized successfully.
Set perm_addr value using valid dev_addr, although which is equal to hw.mac.addr.

Signed-off-by: Samuel Liao <samuelliao@tencent.com>
Signed-off-by: Shan Wei <davidshan@tencent.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2012-04-30 18:54:31 -07:00