Commit graph

312339 commits

Author SHA1 Message Date
Sven Eckelmann
e5d89254bf batman-adv: Prefix hard-interface static inline functions with batadv_
All non-static symbols of batman-adv were prefixed with batadv_ to avoid
collisions with other symbols of the kernel. Other symbols of batman-adv
should use the same prefix to keep the naming scheme consistent.

Signed-off-by: Sven Eckelmann <sven@narfation.org>
2012-06-24 18:41:41 +02:00
Sven Eckelmann
9b4a1159df batman-adv: Prefix bitarray static inline functions with batadv_
All non-static symbols of batman-adv were prefixed with batadv_ to avoid
collisions with other symbols of the kernel. Other symbols of batman-adv
should use the same prefix to keep the naming scheme consistent.

Signed-off-by: Sven Eckelmann <sven@narfation.org>
2012-06-24 18:41:40 +02:00
Sven Eckelmann
9e466250ed batman-adv: Prefix bat_debugfs local static functions with batadv_
All non-static symbols of batman-adv were prefixed with batadv_ to avoid
collisions with other symbols of the kernel. Other symbols of batman-adv
should use the same prefix to keep the naming scheme consistent.

Signed-off-by: Sven Eckelmann <sven@narfation.org>
2012-06-24 18:41:40 +02:00
Roland Dreier
2e51fd3c13 Merge branches 'cma' and 'ocrdma' into for-linus 2012-06-24 04:59:59 -07:00
Vijay Subramanian
7011d0851b tcp: Fix bug in tcp socket early demux
The dest port for the call to __inet_lookup_established() in TCP early demux
code is passed with the wrong endian-ness. This causes the lookup to fail
leading to early demux not being used.

Signed-off-by: Vijay Subramanian <subramanian.vijay@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-23 23:22:38 -07:00
David S. Miller
0b4a9e1a59 Merge branch 'master' of git://1984.lsi.us.es/nf-next
Pablo says:

====================
The following four patches provide Netfilter fixes for the cthelper
infrastructure that was recently merged mainstream, they are:

* two fixes for compilation breakage with two different configurations:

  - CONFIG_NF_NAT=m and CONFIG_NF_CT_NETLINK=y
  - NF_CONNTRACK_EVENTS=n and CONFIG_NETFILTER_NETLINK_QUEUE_CT=y

* two fixes for sparse warnings.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-23 17:10:10 -07:00
Andrew Lunn
0fa1f0609a ARM: Orion: Fix Virtual/Physical mixup with watchdog
The orion watchdog is expecting to be passed the physcial address of
the hardware, and will ioremap() it to give a virtual address it will
use as the base address for the hardware. However, when creating the
platform resource record, a virtual address was being used.

Add the necassary #define's so we can pass the physical address as
expected.

Tested on Kirkwood and Orion5x.

Cc: stable <stable@vger.kernel.org>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Olof Johansson <olof@lixom.net>
2012-06-23 16:19:21 -07:00
Marc Kleine-Budde
5fb2ce119c ARM: Kirkwood: clk_register_gate_fn: add fn assignment
In commit:
    98d9986 ARM: Kirkwood: Replace clock gating
the kirkwood clock gating has been reworked. A custom variant of
clock gating, that calls a custom function before gating the clock
off, has been introduced. However in clk_register_gate_fn() this
custom function "fn" is never assigned.

This patch adds the missing fn assignment.

Cc: stable <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@blackshift.org>
Tested-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Olof Johansson <olof@lixom.net>
2012-06-23 16:19:02 -07:00
Andrew Lunn
b5e12229a4 ARM: Orion5x - Restore parts of io.h, with rework
Commit 4d5fc58dbe (ARM: remove bunch of
now unused mach/io.h files) removed the orion5x io.h. Unfortunately,
this is still needed for the definition of IO_SPACE_LIMIT which
overrides the default 64K. All Orion based systems have 1Mbyte of IO
space per PCI[e] bus, and try to request_resource() this size. Orion5x
has two such PCI buses.

It is likely that the original, removed version, was broken. This
version might be less broken. However, it has not been tested on
hardware with a PCI card, let alone hardware with a PCI card with IO
capabilities.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
2012-06-23 16:18:17 -07:00
Olof Johansson
a34a3b7264 Some uncontroversial OMAP clock, hwmod, and compiler warning fixes for 3.5-rc
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Merge tag 'omap-fixes-a-for-3.5rc' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into fixes

From Paul Walmsley (as per Tony Lindgren's request):
 "Some uncontroversial OMAP clock, hwmod, and compiler warning fixes for 3.5-rc"

* tag 'omap-fixes-a-for-3.5rc' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending:
  ARM: OMAP4: hwmod data: Force HDMI in no-idle while enabled
  ARM: OMAP2+: mux: fix sparse warning
  ARM: OMAP2+: CM: increase the module disable timeout
  ARM: OMAP4: clock data: add clockdomains for clocks used as main clocks
  ARM: OMAP4: hwmod data: fix 32k sync timer idle modes
  ARM: OMAP4+: hwmod: fix issue causing IPs not going back to Smart-Standby
  ARM: OMAP: PM: Lock clocks list while generating summary
2012-06-23 16:16:29 -07:00
Olof Johansson
e23d7096f9 Here are a few fixes with the biggest one being fix for Beagle DVI
reset. All of them are regression fixes, except for the missing omap2
 interrupt controller binding that somehow got missed earlier.
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Merge tag 'omap-fixes-for-v3.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes

From Tony Lindgren:
"Here are a few fixes with the biggest one being fix for Beagle DVI
 reset. All of them are regression fixes, except for the missing omap2
 interrupt controller binding that somehow got missed earlier."

* tag 'omap-fixes-for-v3.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP: Fix Beagleboard DVI reset gpio
  arm/dts: OMAP2: Fix interrupt controller binding
  ARM: OMAP2: Fix tusb6010 GPIO interrupt for n8x0
  ARM: OMAP2+: Fix MUSB ifdefs for platform init code
2012-06-23 16:11:50 -07:00
Antonio Quartulli
8b8e4bc039 batman-adv: fix race condition in TT full-table replacement
bug introduced with cea194d90b11aff7fc289149e4c7f305fad3535a

In the current TT code, when a TT_Response containing a full table is received
from an originator, first the node purges all the clients for that originator in
the global translation-table and then merges the newly received table.
During the purging phase each client deletion is done by means of a call_rcu()
invocation and at the end of this phase the global entry counter for that
originator is set to 0. However the invoked rcu function decreases the global
entry counter for that originator by one too and since the rcu invocation is
likely to be postponed, the node will end up in first setting the counter to 0
and then decreasing it one by one for each deleted client.

This bug leads to having a wrong global entry counter for the related node, say
X. Then when the node with the broken counter will answer to a TT_REQUEST on
behalf of node X, it will create faulty TT_RESPONSE that will generate an
unrecoverable situation on the node that asked for the full table recover.

The non-recoverability is given by the fact that the node with the broken
counter will keep answering on behalf of X because its knowledge about X's state
(ttvn + tt_crc) is correct.

To solve this problem the counter is not explicitly set to 0 anymore and the
counter decrement is performed right before the invocation of call_rcu().

Signed-off-by: Antonio Quartulli <ordex@autistici.org>
2012-06-23 17:21:35 +02:00
Marek Lindner
5870adc68f batman-adv: only drop packets of known wifi clients
bug introduced with 59b699cdee

If the source or destination mac address of an ethernet packet
could not be found in the translation table the packet was
dropped if AP isolation was turned on. This behavior would
make it impossible to send broadcast packets over the mesh as
the broadcast address will never enter the translation table.

Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Acked-by: Antonio Quartulli <ordex@autistici.org>
2012-06-23 17:21:11 +02:00
Graeme Gregory
a68de07461 regulator: palmas: fix regmap offsets for enable/disable
I forgot to apply the offsets for the regmap helper functions for
enable/disable on SMPS10 and the LDO regulators. This means regulators
will not enable/disable correctly.

Signed-off-by: Graeme Gregory <gg@slimlogic.co.uk>
Tested-by: Sebastien Guiriec <s-guiriec@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-06-23 11:37:28 +01:00
David S. Miller
dfbce08c19 ipv4: Don't add deprecated new binary sysctl value.
Reported-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-22 23:02:22 -07:00
Greg Kroah-Hartman
0a6a2daf1c usb: fixes for v3.5-rc3
A few remaining fixes for our v3.5 cycle containing a fix
 for a long standing bug which would cause musb to starve its
 dma channels by never releasing them, a build fix on lpc32xx_udc,
 another fix to Ido's endpoint descriptor series on fsl udc, a
 fix to the order of arguments on twl6030-usb driver and a
 fix to dwc3's dequeue method.
 
 All patches have been pending on the list for quite a while.
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Merge tag 'fixes-for-v3.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-linus

usb: fixes for v3.5-rc3

A few remaining fixes for our v3.5 cycle containing a fix
for a long standing bug which would cause musb to starve its
dma channels by never releasing them, a build fix on lpc32xx_udc,
another fix to Ido's endpoint descriptor series on fsl udc, a
fix to the order of arguments on twl6030-usb driver and a
fix to dwc3's dequeue method.

All patches have been pending on the list for quite a while.
2012-06-22 22:07:15 -07:00
Alan Stern
0070513b5e usb-storage: revert commit afff07e61a (Add 090c:1000 to unusal-devs)
This patch (as1560) reverts commit
afff07e61a (usb-storage: Add 090c:1000
to unusal-devs).  It is no longer needed, because usb-storage now
tells the sd driver to try READ CAPACITY(10) before READ CAPACITY(16)
for every USB mass-storage device.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Acked-by: Hans de Goede <hdegoede@redhat.com>
CC: Matthew Dharm <mdharm-usb@one-eyed-alien.net>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-22 22:05:32 -07:00
Alan Stern
6a0bdffa00 SCSI & usb-storage: add try_rc_10_first flag
Several bug reports have been received recently for USB mass-storage
devices that don't handle READ CAPACITY(16) commands properly.  They
report bogus sizes, in some cases becoming unusable as a result.

The bugs were triggered by commit
09b6b51b0b (SCSI & usb-storage: add
flags for VPD pages and REPORT LUNS), which caused usb-storage to stop
overriding the SCSI level reported by devices.  By default, the sd
driver will try READ CAPACITY(16) first for any device whose level is
above SCSI_SPC_2.

It seems likely that any device large enough to require the use of
READ CAPACITY(16) (i.e., 2 TB or more) would be able to handle READ
CAPACITY(10) commands properly.  Indeed, I don't know of any devices
that don't handle READ CAPACITY(10) properly.

Therefore this patch (as1559) adds a new flag telling the sd driver
to try READ CAPACITY(10) before READ CAPACITY(16), and sets this flag
for every USB mass-storage device.  If a device really is larger than
2 TB, sd will fall back to READ CAPACITY(16) just as it used to.

This fixes Bugzilla #43391.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Acked-by: Hans de Goede <hdegoede@redhat.com>
CC: "James E.J. Bottomley" <JBottomley@parallels.com>
CC: Matthew Dharm <mdharm-usb@one-eyed-alien.net>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-22 22:05:31 -07:00
Yoshihiro Shimoda
a18e08bdcf net: sh_eth: fix the condition to fix the cur_tx/dirty_rx
The following commit couldn't work if the RMCR is not set to 1.

"net: sh_eth: fix the rxdesc pointer when rx descriptor empty happens"
commit id 79fba9f517

If RMCR is not set, the controller will clear the EDRRR after it received
a frame. In this case, the driver doesn't need to fix the value of
cur_rx/dirty_rx. The driver only needs it when the controll detects
receive descriptors are empty.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Tested-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-22 21:50:37 -07:00
françois romieu
eb2dc35d99 r8169: RxConfig hack for the 8168evl.
The 8168evl (RTL_GIGA_MAC_VER_34) based Gigabyte GA-990FXA motherboards
are very prone to NETDEV watchdog problems without this change. See
https://bugzilla.kernel.org/show_bug.cgi?id=42899 for instance.

I don't know why it *works*. It's depressingly effective though.

For the record:
- the problem may go along IOMMU (AMD-Vi) errors but it really looks
  like a red herring.
- the patch sets the RX_MULTI_EN bit. If the 8168c doc is any guide,
  the chipset now fetches several Rx descriptors at a time.
- long ago the driver ignored the RX_MULTI_EN bit.
  e542a2269f changed the RxConfig
  settings. Whatever the problem it's now labeled a regression.
- Realtek's own driver can identify two different 8168evl devices
  (CFG_METHOD_16 and CFG_METHOD_17) where the r8169 driver only
  sees one. It sucks.

Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-22 21:48:32 -07:00
Eric Dumazet
7586eceb0a ipv4: tcp: dont cache output dst for syncookies
Don't cache output dst for syncookies, as this adds pressure on IP route
cache and rcu subsystem for no gain.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Hans Schillstrom <hans.schillstrom@ericsson.com>
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-22 21:47:33 -07:00
Linus Torvalds
002b758b6d Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client
Pull Ceph fixes from Sage Weil:
 "There are a couple of fixes from Yan for bad pointer dereferences in
  the messenger code and when fiddling with page->private after page
  migration, a fix from Alex for a use-after-free in the osd client
  code, and a couple fixes for the message refcounting and shutdown
  ordering."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client:
  libceph: flush msgr queue during mon_client shutdown
  rbd: Clear ceph_msg->bio_iter for retransmitted message
  libceph: use con get/put ops from osd_client
  libceph: osd_client: don't drop reply reference too early
  ceph: check PG_Private flag before accessing page->private
2012-06-22 17:47:08 -07:00
Ming Lei
65841fd513 usbnet: handle remote wakeup asap
If usbnet is resumed by remote wakeup, generally there are
some packets comming to be handled, so allocate and submit
rx URBs in usbnet_resume to avoid delays introduced by tasklet.
Otherwise, usbnet may have been runtime suspended before the
usbnet_bh is executed to schedule Rx URBs.

Without the patch, usbnet can't recieve any packets from peer
in runtime suspend state if runtime PM is enabled and
autosuspend_delay is set as zero.

Signed-off-by: Ming Lei <ming.lei@canonical.com>
Acked-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-22 17:34:18 -07:00
Ming Lei
5eeb3132eb usbnet: decrease suspend count if returning -EBUSY for runtime suspend
This patch decreases dev->suspend_count in the -EBUSY failure path
of usbnet_suspend. Without the change, the later runtime suspend
will do nothing except for increasing dev->suspend_count.

Signed-off-by: Ming Lei <ming.lei@canonical.com>
Acked-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-22 17:34:17 -07:00
Ming Lei
fb13c47b8e usbnet: clear OPEN flag in failure path
Without clearing OPEN flag in failure path, runtime or system resume
may submit interrupt/rx URB and start tx queue mistakenly on a
interface in DOWN state.

Signed-off-by: Ming Lei <ming.lei@canonical.com>
Acked-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-22 17:34:17 -07:00
Yuval Mintz
24ea818e30 bnx2x: link module eeprom
Add the ethtool functionality of accessing optic modules'
information and eeprom to the bnx2x driver.

Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Yaniv Rosner <yaniv.rosner@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-22 17:20:32 -07:00
Yuval Mintz
dbef807ee8 bnx2x: 1G sfp+ module handling
Automatically lower requested link speed to 1G in case 1G SFP+
module is detected.

Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Yaniv Rosner <yaniv.rosner@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-22 17:20:32 -07:00
Yuval Mintz
a351d497f3 bnx2x: revised link register access
This is a semantic change, cleaning some sections in which the bnx2x
handles the phy's registers.

Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Yaniv Rosner <yaniv.rosner@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-22 17:20:32 -07:00
Yuval Mintz
1440090111 bnx2x: treat 0 speed as link down (copper)
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Yaniv Rosner <yaniv.rosner@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-22 17:20:32 -07:00
Yuval Mintz
d231023eb1 bnx2x: link cleanup
This patch does several things:
 1. Add static to function when possible.
 2. Correct comments.
 3. Change msleep(small) --> usleep_range(small, small*2).
    Also correct existing calls to usleep_range.
 4. Remove dead code.
 5. Change 'if(rc != 0)' --> if(rc)

Most of these changes are purely semantic.

Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Yaniv Rosner <yaniv.rosner@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-22 17:20:32 -07:00
Yuval Mintz
d0b8a6f926 bnx2x: sfp+ Tx fault detection added
Adds the ability to identify sfp+ modules' Tx fault, and when such
occur shut down the link.

Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-22 17:20:32 -07:00
Bjørn Mork
b9f90eb274 net: qmi_wwan: fix Gobi device probing
Ignoring interfaces with additional descriptors is not a reliable
method for locating the correct interface on Gobi devices.  There
is at least one device where this method fails:
https://bbs.archlinux.org/viewtopic.php?id=143506

The result is that the AT command port (interface #2) is hidden
from qcserial, preventing traditional serial modem usage:

[   15.562552] qmi_wwan 4-1.6:1.0: cdc-wdm0: USB WDM device
[   15.562691] qmi_wwan 4-1.6:1.0: wwan0: register 'qmi_wwan' at usb-0000:00:1d.0-1.6, Qualcomm Gobi wwan/QMI device, 1e:df:3c:3a:4e:3b
[   15.563383] qmi_wwan: probe of 4-1.6:1.1 failed with error -22
[   15.564189] qmi_wwan 4-1.6:1.2: cdc-wdm1: USB WDM device
[   15.564302] qmi_wwan 4-1.6:1.2: wwan1: register 'qmi_wwan' at usb-0000:00:1d.0-1.6, Qualcomm Gobi wwan/QMI device, 1e:df:3c:3a:4e:3b
[   15.564328] qmi_wwan: probe of 4-1.6:1.3 failed with error -22
[   15.569376] qcserial 4-1.6:1.1: Qualcomm USB modem converter detected
[   15.569440] usb 4-1.6: Qualcomm USB modem converter now attached to ttyUSB0
[   15.570372] qcserial 4-1.6:1.3: Qualcomm USB modem converter detected
[   15.570430] usb 4-1.6: Qualcomm USB modem converter now attached to ttyUSB1

Use static interface numbers taken from the interface map in
qcserial for all Gobi devices instead:

	Gobi 1K USB layout:
	0: serial port (doesn't respond)
	1: serial port (doesn't respond)
	2: AT-capable modem port
	3: QMI/net

	Gobi 2K+ USB layout:
	0: QMI/net
	1: DM/DIAG (use libqcdm from ModemManager for communication)
	2: AT-capable modem port
	3: NMEA

This should be more reliable over all, and will also prevent the
noisy "probe failed" messages.  The whitelisting logic is expected
to be replaced by direct interface number matching in 3.6.

Reported-by: Heinrich Siebmanns (Harvey) <H.Siebmanns@t-online.de>
Cc: <stable@vger.kernel.org> # v3.4: 0000188 USB: qmi_wwan: Make forced int 4 whitelist generic
Cc: <stable@vger.kernel.org> # v3.4: f7142e6 USB: qmi_wwan: Add ZTE (Vodafone) K3520-Z
Cc: <stable@vger.kernel.org> # v3.4
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-22 17:17:02 -07:00
Pablo Neira Ayuso
8e36c4b5b6 netfilter: ctnetlink: fix compilation with NF_CONNTRACK_EVENTS=n
This patch fixes compilation with NF_CONNTRACK_EVENTS=n and
NETFILTER_NETLINK_QUEUE_CT=y.

I'm leaving all those static inline functions that calculate the size
of the event message out of the ifdef area of NF_CONNTRACK_EVENTS since
they will not be included by gcc in case they are unused.

Reported-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2012-06-23 02:13:46 +02:00
Pablo Neira Ayuso
ab5e8b77d5 netfilter: nfnetlink_queue: fix sparse warning due to missing include
This patch fixes a sparse warning due to missing include header file.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2012-06-23 02:13:38 +02:00
Alexander Duyck
6648bd7e0e ipv4: Add sysctl knob to control early socket demux
This change is meant to add a control for disabling early socket demux.
The main motivation behind this patch is to provide an option to disable
the feature as it adds an additional cost to routing that reduces overall
throughput by up to 5%.  For example one of my systems went from 12.1Mpps
to 11.6 after the early socket demux was added.  It looks like the reason
for the regression is that we are now having to perform two lookups, first
the one for an established socket, and then the one for the routing table.

By adding this patch and toggling the value for ip_early_demux to 0 I am
able to get back to the 12.1Mpps I was previously seeing.

[ Move local variables in ip_rcv_finish() down into the basic
  block in which they are actually used.  -DaveM ]

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-22 17:11:13 -07:00
Matthias Brugger
8e27628ecf smsc911x.c: encapsulate enable irq calls
We encapsulate enbale irq functionality in a function call.
As on probe the interrupts will be disabled twice, we delete
one.

Signed-off-by: Matthias Brugger <mbrugger@iseebcn.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-22 17:06:51 -07:00
Takashi Iwai
6db65cbb94 drm/i915: Fix eDP blank screen after S3 resume on HP desktops
This patch fixes the problem on some HP desktop machines with eDP
which give blank screens after S3 resume.

It turned out that BLC_PWM_CPU_CTL must be written after
BLC_PWM_CPU_CTL2.  Otherwise it doesn't take effect on these
SNB machines.

Tested with 3.5-rc3 kernel.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=49233

Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2012-06-23 00:01:42 +02:00
Daniel Vetter
58bf8062d0 drm/i915: rip out the PM_IIR WARN
After banging my head against this for the past few months, I still
don't see how this could possible race under the premise that once an
irq bit is masked in PM_IMR and reset in PM_IIR it won't show up again
until we unmask it in PM_IMR.

Still, we have reports of this being seen in the wild. Now Bspec has
this little bit of lovely language in the PMIIR register:

Public SNB Docs, Vol3Part2, 2.5.14 "PMIIR":

"For each bit, the IIR can store a second pending interrupt if two or
more of the same interrupt conditions occur before the first condition
is cleared. Upon clearing the interrupt, the IIR bit will momentarily
go low, then return high to indicate there is another interrupt
pending."

Now if we presume that PMIMR only prevent new interrupts from being
queued, we could easily end up masking an interrupt and clearing it,
but the 2nd pending interrupt setting the bit in PMIIR right away
again. Which leads, the next time the irq handler runs, to hitting the
WARN.

Also, no bad side effects of this have ever been reported. And we've
tracked down our issues with the gpu turbo getting stuck to bogus
interrupt generation limits in th RPLIMIT register.

So let's just rip out this WARN as bogus and call it a day. The only
shallow thing here is that this 2-deep irq queue in the hw makes you
wonder how racy the windows irq handler is ...

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=42907
Cc: stable@vger.kernel.org
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2012-06-23 00:01:41 +02:00
John W. Linville
4e42200caf Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless into for-davem 2012-06-22 14:36:10 -04:00
Linus Torvalds
369c4f542f Fixes for 3.5-rc
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Merge tag 'for-linus-Jun-21-2012' of git://oss.sgi.com/xfs/xfs

Pull XFS fixes from Ben Myers:
 - Fix stale data exposure with unwritten extents
 - Fix a warning in xfs_alloc_vextent with ODEBUG
 - Fix overallocation and alignment of pages for xfs_bufs
 - Fix a cursor leak
 - Fix a log hang
 - Fix a crash related to xfs_sync_worker
 - Rename xfs log structure from struct log to struct xlog so we can use
   crash dumps effectively

* tag 'for-linus-Jun-21-2012' of git://oss.sgi.com/xfs/xfs:
  xfs: rename log structure to xlog
  xfs: shutdown xfs_sync_worker before the log
  xfs: Fix overallocation in xfs_buf_allocate_memory()
  xfs: fix allocbt cursor leak in xfs_alloc_ag_vextent_near
  xfs: check for stale inode before acquiring iflock on push
  xfs: fix debug_object WARN at xfs_alloc_vextent()
  xfs: xfs_vm_writepage clear iomap_valid when !buffer_uptodate (REV2)
2012-06-22 11:07:55 -07:00
Amitkumar Karwar
8311f0da95 mwifiex: improve error path handling in usb.c
skb allocated during initialisation is reused for receiving
commands/events by USB interface. We miss to reset skb->data in
failure cases. This patch takes care of it.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kiran Divekar <dkiran@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-06-22 13:59:50 -04:00
Amitkumar Karwar
e80c81dc14 mwifiex: fix bugs in event handling code
This patch ensures uniformity in event skb sent by interface code
(USB/PCIe/SDIO) which automatically fixes following bugs.

1) For USB interface, same buffer is reused for receiving cmd and
events from firmware. While handling events, we perform
skb_pull(skb, 4) to remove event header. Corresponding skb_push()
call is missing while submitting the buffer.
2) For PCIe interface, event skb is passed with event header.
Recently added uAP events EVENT_UAP_STA_ASSOC, EVENT_UAP_STA_DEAUTH
will not work for PCIe, as they assume event skb points to event body.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kiran Divekar <dkiran@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-06-22 13:59:50 -04:00
Stone Piao
f03ba7e9a2 mwifiex: fix WPS eapol handshake failure
After association, STA will go through eapol handshake with WPS
enabled AP. It's observed that WPS handshake fails with some 11n
AP. The reason for the failure is that the eapol packet is sent
via 11n frame aggregation.

The eapol packet should be sent directly without 11n aggregation.

This patch fixes the problem by adding WPS session control while
dequeuing Tx packets for transmission.

Cc: "3.4.y" <stable@vger.kernel.org>
Signed-off-by: Stone Piao <piaoyun@marvell.com>
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-06-22 13:59:49 -04:00
Stone Piao
925839243d mwifiex: fix 11n rx packet drop issue
Currently we check the sequence number of last packet received
against start_win. If a sequence hole is detected, start_win is
updated to next sequence number.

Since the rx sequence number is initialized to 0, a corner case
exists when BA setup happens immediately after association. As
0 is a valid sequence number, start_win gets increased to 1
incorrectly. This causes the first packet with sequence number 0
being dropped.

Initialize rx sequence number as 0xffff and skip adjusting
start_win if the sequence number remains 0xffff. The sequence
number will be updated once the first packet is received.

Cc: "3.0.y, 3.1.y, 3.2.y, 3.3.y, 3.4.y" <stable@vger.kernel.org>
Signed-off-by: Stone Piao <piaoyun@marvell.com>
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Kiran Divekar <dkiran@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-06-22 13:59:49 -04:00
Linus Torvalds
a11637194a Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf updates from Ingo Molnar.

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  ftrace: Make all inline tags also include notrace
  perf: Use css_tryget() to avoid propping up css refcount
  perf tools: Fix synthesizing tracepoint names from the perf.data headers
  perf stat: Fix default output file
  perf tools: Fix endianity swapping for adds_features bitmask
2012-06-22 10:58:57 -07:00
John W. Linville
8d6fcbdb4e Merge branch 'for-john' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211 2012-06-22 13:56:34 -04:00
Ajay Kumar Gupta
8c778db9f0 usb: musb: host: release dma channels if no active io
Currently DMA channels are allocated and they remain allocated
even if there is no active data transfer. Added channel_release()
whenever there is no pending request.

Signed-off-by: Ajay Kumar Gupta <ajay.gupta@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2012-06-22 13:15:55 +03:00
Alexandre Pereira da Silva
d7dbdb5e5f usb: gadget: lpc32xx_udc: fix build error with debugfs enabled
If CONFIG_USB_GADGET_DEBUG_FILES is enabled, lpc32xx_udc breaks
compilation because of a missing include file.

Signed-off-by: Alexandre Pereira da Silva <aletes.xgr@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2012-06-22 13:15:40 +03:00
Moiz Sonasath
dc8738d95b usb: otg: twl6030-usb: Fix twl writes
There were mistakes in writing to few twl
registers. There was interchange in the
parameters being passed to twl6030_writeb().

Signed-off-by: Moiz Sonasath <m-sonasath@ti.com>
Signed-off-by: Ruslan Bilovol <ruslan.bilovol@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2012-06-22 13:12:06 +03:00
Dave Airlie
59bbe27ba0 drm: drop comment about this header being autogenerated.
This comment is well out of date.

Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-06-22 11:04:55 +01:00