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30575 commits

Author SHA1 Message Date
John W. Linville 57adc1fcba Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem
Conflicts:
	drivers/net/wireless/b43/dma.c
	drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c
2012-01-03 15:16:34 -05:00
Daniel Halperin faa85aa242 skge: fix warning when CONFIG_PM is defined but not CONFIG_PM_SLEEP
drivers/net/ethernet/marvell/skge.c:4046: warning: ‘skge_suspend’ defined but not used
drivers/net/ethernet/marvell/skge.c:4071: warning: ‘skge_resume’ defined but not used

Signed-off-by: Daniel Halperin <dhalperi@cs.washington.edu>
Cc: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-01-03 13:53:16 -05:00
Sascha Hauer 86d8c07ff2 net/davinci: do not use all descriptors for tx packets
The driver uses a shared pool for both rx and tx descriptors.
During open it queues fixed number of 128 descriptors for receive
packets. For each received packet it tries to queue another
descriptor. If this fails the descriptor is lost for rx.
The driver has no limitation on tx descriptors to use, so it
can happen during a nmap / ping -f attack that the driver
allocates all descriptors for tx and looses all rx descriptors.
The driver stops working then.
To fix this limit the number of tx descriptors used to half of
the descriptors available, the rx path uses the other half.

Tested on a custom board using nmap / ping -f to the board from
two different hosts.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-01-03 13:50:49 -05:00
Yevgeny Petrilin 1c015b3b82 mlx4_core: Elaborating limitation on VF port options
Showing which capabilities are not passed to VF
when executing QUERY_PORT

Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-01-03 12:49:16 -05:00
Marcel Apfelbaum 1e27ca6944 mlx4_core: fix mtt range deallocation
The mtt range was allocated in mtt units but deallocated
in segments. Among the rest, this caused crash during hotplug removal

Reported-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Marcel Apfelbaum <marcela@mellanox.co.il>
Reviewed-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Tested-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-01-03 12:49:16 -05:00
stephen hemminger f7d9821a6a bonding: fix error handling if slave is busy (v2)
If slave device already has a receive handler registered, then the
error unwind of bonding device enslave function is broken.

The following will leave a pointer to freed memory in the slave
device list, causing a later kernel panic.
# modprobe dummy
# ip li add dummy0-1 link dummy0 type macvlan
# modprobe bonding
# echo +dummy0 >/sys/class/net/bond0/bonding/slaves

The fix is to detach the slave (which removes it from the list)
in the unwind path.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Reviewed-by: Nicolas de Pesloüan <nicolas.2p.debian@free.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-01-03 12:49:16 -05:00
Jason Wang f872b237c1 8139cp: properly config rx mode after resuming
Rx mode should be reset after resming, so unconditionally updating rx
mode rather than conditionally updating based on the value we
remembered, otherwise unexpected value may be used by the nic after
resuming.

btw. I find and test this when debugging guest hibernation in qemu, as
I did not have a 8139cp card in hand, this patch is untested in a
physical 8139cp card, plase review it carefully.

Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-01-03 12:47:50 -05:00
Jason Wang 7d03f5a48e 8139cp/8139too: do not read into reserved registers
delay_eeprom() use long read for Cfg9346 register(offset 0x50) which may read
into the area of reserved register(offset 0x53). Use byte read instead.

Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-01-03 12:47:50 -05:00
Don Skidmore 0e22d0437e ixgbe: add support for new 82599 device.
This device uses an already existing DevID but since it supports
WoL we need to add the Sub DevID.  It's support of WoL is limited
to the first port.

Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2012-01-02 17:44:34 -08:00
Emil Tantilov 9e791e4a04 ixgbe: add support for new 82599 device id
Support for new 82599 based quad port adapter.

Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2012-01-02 17:44:05 -08:00
Emil Tantilov 176f950d31 ixgbe: add write flush in ixgbe_clock_out_i2c_byte()
I2C access is timing critical. Always do a write flush after writing
to the I2CCTL register.

Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2012-01-02 17:43:44 -08:00
Stephen Hemminger 52f33af8ac ixgbe: fix typo's
Saw typo in one message, so decided to run spell checker.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2012-01-02 17:43:17 -08:00
Emil Tantilov c1085b1092 ixgbe: fix incorrect PHY register reads
Fix some register reads that had the opcode and register parameters swapped.
Also use define instead of a magic (0x3) number.

Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2012-01-02 17:42:46 -08:00
Carolyn Wyborny f83396ad83 igb: Add flow control advertising to ethtool setting.
Added pause flag for bi-directional flow control advertising to ethtool
settings.

Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2012-01-02 17:42:02 -08:00
Alexander Duyck f131a6c07e ixgbevf: Fix register defines to correctly handle complex expressions
This patch is meant to address possible issues with the IXGBEVF register
defines generating incorrect values when given a complex expression for the
register offset.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2012-01-02 17:41:34 -08:00
David S. Miller 455ffa607f Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2012-01-02 18:56:49 -05:00
Florian Zumbiehl fe3c8cc922 skge: restore rx multicast filter on resume and after config changes
Restore skge hardware registers for multicast filtering to their
appropriate values after system resume and after hardware restarts
that are done when changing certain settings.

Signed-off-by: Florian Zumbiehl <florz@florz.de>
Acked-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-30 23:32:45 -05:00
Ajit Khaparde b236916a68 be2net: query link status in be_open()
be2net gets an async link status notification from the FW when it creates
an MCC queue. There are some cases in which this gratuitous notification
is not received from FW. To cover this explicitly query the link status
in be_open().

Signed-off-by: Vasundhara Volam <vasundhara.volam@emulex.com>
Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: Ajit Khaparde <ajit.khaparde@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-30 17:19:22 -05:00
Ajit Khaparde 94f434c205 be2net: fix range check for set_qos for a VF
Signed-off-by: Ajit Khaparde <ajit.khaparde@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-30 17:19:21 -05:00
Ajit Khaparde 80817cbf5a be2net: fix be_vlan_add/rem_vid
1) fix be_vlan_add/rem_vid to return proper status
2) perform appropriate housekeeping if firmware command succeeds.

Signed-off-by: Ajit Khaparde <ajit.khaparde@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-30 17:19:21 -05:00
Yevgeny Petrilin cd3109d23c mlx4_en: nullify cq->vector field when closing completion queue
Caused loss of connectivity when changing ring size.

Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-30 17:15:41 -05:00
Rusty Russell f1776dade1 virtio_net: use non-reentrant workqueue.
Michael S. Tsirkin also noticed that we could run the refill work
multiple CPUs: if we kick off a refill on one CPU and then on another,
they would both manipulate the queue at the same time (they use
napi_disable to avoid racing against the receive handler itself).

Tejun points out that this is what the WQ_NON_REENTRANT flag is for,
and that there is a convenient system kthread we can use.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-29 16:44:29 -05:00
Rusty Russell b2baed69e6 virtio_net: set/cancel work on ndo_open/ndo_stop
Michael S. Tsirkin noticed that we could run the refill work after
ndo_close, which can re-enable napi - we don't disable it until
virtnet_remove.  This is clearly wrong, so move the workqueue control
to ndo_open and ndo_stop (aka. virtnet_open and virtnet_close).

One subtle point: virtnet_probe() could simply fail if it couldn't
allocate a receive buffer, but that's less polite in virtnet_open() so
we schedule a refill as we do in the normal receive path if we run out
of memory.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-29 16:44:29 -05:00
Yevgeny Petrilin 95f56e7aa8 mlx4_core: limiting VF port options
At the moment VFs can only operate in Eth mode.
In addition we don't want the VF to attempt link sensing,
so we block this option as well.

Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-29 15:08:41 -05:00
Yevgeny Petrilin 46c4674754 mlx4_core: using array index for sense_allowed
Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-29 15:08:41 -05:00
Rogerio Pimentel c3b084c24c net: fec: Adjust ENET MDIO timeouts
On extensive NFS boots on a mx6qsabrelite board it was noted that "FEC: MDIO read timeout" were occuring,
which caused failure on loading the FEC driver.

The original FEC_MII_TIMEOUT was set to 1 ms, which is too low when passed to the usecs_to_jiffies macro.

On ARM one jiffy is 10ms, so use a timeout of 30ms, which corresponds to 3 jiffies.

After running extensive NFS boots, the MDIO timeouts do not occur anymore with this change.

Signed-off-by: Rogerio Pimentel <rogerio.pimentel@freescale.com>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-28 12:55:18 -05:00
Joshua Kinard c0d2b8376a net: meth: Add set_rx_mode hook to fix ICMPv6 neighbor discovery
SGI IP32 (O2)'s ethernet driver (meth) lacks a set_rx_mode function, which
prevents IPv6 from working completely because any ICMPv6 neighbor
solicitation requests aren't picked up by the driver.  So the machine can
ping out and connect to other systems, but other systems will have a very
hard time connecting to the O2.

Signed-off-by: Joshua Kinard <kumba@gentoo.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-27 13:17:34 -05:00
Heiko Carstens 65cb5df51a net: calxeda xgmac ethernet driver add missing HAS_IOMEM dependency
Fix allyesconfig build on architectures without IOMEM:

drivers/net/ethernet/calxeda/xgmac.c:1800:2:
  error: implicit declaration of function 'iounmap' [-Werror=implicit-function-declaration]

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Rob Herring <rob.herring@calxeda.com>
Acked-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-27 13:01:44 -05:00
Axel Lin e143a1ada3 mlx4: Add missing include of linux/slab.h
Include linux/slab.h to fix below build error:

  CC      drivers/net/ethernet/mellanox/mlx4/resource_tracker.o
drivers/net/ethernet/mellanox/mlx4/resource_tracker.c: In function 'mlx4_init_resource_tracker':
drivers/net/ethernet/mellanox/mlx4/resource_tracker.c:233: error: implicit declaration of function 'kzalloc'
drivers/net/ethernet/mellanox/mlx4/resource_tracker.c:234: warning: assignment makes pointer from integer without a cast
drivers/net/ethernet/mellanox/mlx4/resource_tracker.c: In function 'mlx4_free_resource_tracker':
drivers/net/ethernet/mellanox/mlx4/resource_tracker.c:264: error: implicit declaration of function 'kfree'
drivers/net/ethernet/mellanox/mlx4/resource_tracker.c: In function 'alloc_qp_tr':
drivers/net/ethernet/mellanox/mlx4/resource_tracker.c:370: warning: assignment makes pointer from integer without a cast
drivers/net/ethernet/mellanox/mlx4/resource_tracker.c: In function 'alloc_mtt_tr':
drivers/net/ethernet/mellanox/mlx4/resource_tracker.c:386: warning: assignment makes pointer from integer without a cast
drivers/net/ethernet/mellanox/mlx4/resource_tracker.c: In function 'alloc_mpt_tr':
drivers/net/ethernet/mellanox/mlx4/resource_tracker.c:402: warning: assignment makes pointer from integer without a cast
drivers/net/ethernet/mellanox/mlx4/resource_tracker.c: In function 'alloc_eq_tr':
drivers/net/ethernet/mellanox/mlx4/resource_tracker.c:417: warning: assignment makes pointer from integer without a cast
drivers/net/ethernet/mellanox/mlx4/resource_tracker.c: In function 'alloc_cq_tr':
drivers/net/ethernet/mellanox/mlx4/resource_tracker.c:431: warning: assignment makes pointer from integer without a cast
drivers/net/ethernet/mellanox/mlx4/resource_tracker.c: In function 'alloc_srq_tr':
drivers/net/ethernet/mellanox/mlx4/resource_tracker.c:446: warning: assignment makes pointer from integer without a cast
drivers/net/ethernet/mellanox/mlx4/resource_tracker.c: In function 'alloc_counter_tr':
drivers/net/ethernet/mellanox/mlx4/resource_tracker.c:461: warning: assignment makes pointer from integer without a cast
drivers/net/ethernet/mellanox/mlx4/resource_tracker.c: In function 'add_res_range':
drivers/net/ethernet/mellanox/mlx4/resource_tracker.c:521: warning: assignment makes pointer from integer without a cast
drivers/net/ethernet/mellanox/mlx4/resource_tracker.c: In function 'mac_add_to_slave':
drivers/net/ethernet/mellanox/mlx4/resource_tracker.c:1193: warning: assignment makes pointer from integer without a cast
drivers/net/ethernet/mellanox/mlx4/resource_tracker.c: In function 'add_mcg_res':
drivers/net/ethernet/mellanox/mlx4/resource_tracker.c:2521: warning: assignment makes pointer from integer without a cast
make[5]: *** [drivers/net/ethernet/mellanox/mlx4/resource_tracker.o] Error 1
make[4]: *** [drivers/net/ethernet/mellanox/mlx4] Error 2
make[3]: *** [drivers/net/ethernet/mellanox] Error 2
make[2]: *** [drivers/net/ethernet] Error 2
make[1]: *** [drivers/net] Error 2
make: *** [drivers] Error 2

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-26 15:18:36 -05:00
David S. Miller abb434cb05 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
	net/bluetooth/l2cap_core.c

Just two overlapping changes, one added an initialization of
a local variable, and another change added a new local variable.

Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-23 17:13:56 -05:00
Dan Carpenter 681f16232c usb: pegasus: cleanup a couple conditions
We recently made loopback a bool type instead of an int, so the bitwise
AND is redundent.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-23 16:51:18 -05:00
allan f87ce5b254 drivers/net/usb/asix: fixed asix_get_wol reported wrong wol status issue
Fixed the asix_get_wol() routine reported wrong wol status issue.

Signed-off-by: Allan Chou <allan@asix.com.tw>
Tested-by: Eugene <elubarsky@gmail.com>; Allan Chou <allan@asix.com.tw>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-23 16:51:18 -05:00
Krishna Gudipati 7afc5dbde0 bna: Add debugfs interface.
Change details:
	- Add debugfs support to obtain firmware trace, saved firmware trace on
	  an IOC crash, driver info and read/write to registers.

	- debugfs hierarchy:
	  bna/pci_dev:<pci_name>
	  where the pci_name corresponds to the one under /sys/bus/pci/drivers/bna

	- Following are the new debugfs entries added:
	  fwtrc: collect current firmware trace.
	  fwsave: collect last saved fw trace as a result of firmware crash.
	  regwr: write one word to chip register
	  regrd: read one or more words from chip register.
	  drvinfo: collect the driver information.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-23 16:50:58 -05:00
Krishna Gudipati 72a9730b3f bna: Added flash sub-module and ethtool eeprom entry points.
Change details:
	- The patch adds flash sub-module to the bna driver.
	- Added ethtool set_eeprom() and get_eeprom() entry points to
	  support flash partition read/write operations.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-23 16:50:58 -05:00
Giuseppe Cavallaro 6fc0d0f2e3 stmmac: fix missing module license in the main.
This patch fixes the following warning raised
when compile:

WARNING: modpost: missing MODULE_LICENSE()
in drivers/net/ethernet/stmicro/stmmac/stmmac.o

Reported-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-23 14:21:20 -05:00
Giuseppe CAVALLARO bfab27a146 stmmac: add the experimental PCI support
This patch adds the PCI support (as EXPERIMENTAL)
this has been also tested on XLINX XC2V3000 FF1152AMT0221
D1215994A VIRTEX FPGA board.
To support the PCI bus the main part has been reworked
and both the platform and the PCI specific parts have
been moved into different files.

Signed-off-by: Rayagond Kokatanur <rayagond@vayavyalabs.com>
Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-21 15:44:34 -05:00
Michal Simek 4e68ea26e7 net: ethernet: xilinx: Don't use NO_IRQ in xilinx
Fix ll_temac and emaclite drivers. Only Microblaze and Xilinx PPC
use then and both use NO_IRQ as 0. It will be removed in near future.

Signed-off-by: Michal Simek <monstr@monstr.eu>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-21 15:42:50 -05:00
Amitkumar Karwar 3aebee028a mwifiex: fix issues in band configuration code
Currently due to following issues in the code even if device is
configured in B only, G only or BG mode using iw bitrates command,
ibss is getting created in BGN mode.

1) mwifiex_channels_to_cfg80211_channel_type() routine gives channel
type as NL80211_CHAN_HT20 for non-HT channel as well, because driver
doesn't store HT information provided by stack for the channel.
This issue is fixed by maintaining channel type information in
'adapter->channel_type'.
2) Band configuration is unnecessarily overwritten with BGN/AN while
setting channel.

This patch makes sure that "adapter->config_bands" correctly gets
modified while setting channel.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-12-21 15:06:14 -05:00
Amitkumar Karwar 21c3ba3464 mwifiex: use IEEE80211_HT_PARAM_CHA_SEC_* macros
Replace driver specific macros with the corresponding
IEEE80211_HT_PARAM_CHA_SEC_* macros defined in ieee80211.h.
Also, rename 'adapter->chan_offset' to 'adapter->sec_chan_offset'
for consistency.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-12-21 15:06:13 -05:00
Amitkumar Karwar 43906cdb91 mwifiex: remove redundant band config code
struct mwifiex_ds_band_cfg and mwifiex_set_radio_band_cfg() routine
are unnecessary. It can be done with simple equivalant code.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-12-21 15:06:13 -05:00
Luis R. Rodriguez cf9bc5bae7 atheros: force endian checks on atheros wireless drivers
Please NACK nasty patches.

Cc: Kalle Valo <kvalo@qca.qualcomm.com>
Signed-off-by: Luis R. Rodriguez <mcgrof@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-12-21 15:06:12 -05:00
Yogesh Ashok Powar eca107ff8a mwl8k: Call ieee80211_stop_tx_ba_cb_irqsafe for already deleted BA stream
When stack calls ampdu_action with action = IEEE80211_AMPDU_TX_STOP
for a stream that has already been removed from the driver, call
ieee80211_tx_ba_stop_irqsafe to clear the stream in the stack.

Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com>
Signed-off-by: Nishant Sarmukadam <nishants@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-12-21 15:06:11 -05:00
Luis R. Rodriguez ec9a570547 ath9k: fix roadkill due to Joe's patch on ath_dbg() changes
Joe changed ath_dbg() to simpify code but while his patch was
being merged dfs.c was born and as such did not get the change
Joe envisioned. This fixes that. Test compiled with:

 make allmodconfig

Cc: Joe Perches <joe@perches.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: John W. Linville <linville@tuxdriver.com>
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Luis R. Rodriguez <mcgrof@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-12-21 15:06:11 -05:00
Johannes Berg 106671369e iwlagn: fix (remove) use of PAGE_SIZE
The ICT code erroneously uses PAGE_SIZE. The bug
is that PAGE_SIZE isn't necessarily 4096, so on
such platforms this code will not work correctly
as we'll try to attempt to read an index in the
table that the device never wrote, it always has
4096-byte pages.

Additionally, the manual alignment code here is
unnecessary -- Documentation/DMA-API-HOWTO.txt
states:
  The cpu return address and the DMA bus master address are both
  guaranteed to be aligned to the smallest PAGE_SIZE order which
  is greater than or equal to the requested size.  This invariant
  exists (for example) to guarantee that if you allocate a chunk
  which is smaller than or equal to 64 kilobytes, the extent of the
  buffer you receive will not cross a 64K boundary.

Just use appropriate new constants and get rid of
the alignment code.

Cc: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-12-21 15:06:10 -05:00
Alan Cox 3ac44670ad rt2800: Add support for the Fujitsu Stylistic Q550
Just another USB identifier.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-12-21 15:06:10 -05:00
Andres Salomon afbca95f95 libertas: clean up scan thread handling
The libertas scan thread expects priv->scan_req to be non-NULL.  In theory,
it should always be set.  In practice, we've seen the following oops:

[ 8363.067444] Unable to handle kernel NULL pointer dereference at virtual address 00000004
[ 8363.067490] pgd = c0004000
[ 8363.078393] [00000004] *pgd=00000000
[ 8363.086711] Internal error: Oops: 17 [#1] PREEMPT
[ 8363.091375] Modules linked in: fuse libertas_sdio libertas psmouse mousedev ov7670 mmp_camera joydev videobuf2_core videobuf2_dma_sg videobuf2_memops [last unloaded: scsi_wait_scan]
[ 8363.107490] CPU: 0    Not tainted  (3.0.0-gf7ccc69 #671)
[ 8363.112799] PC is at lbs_scan_worker+0x108/0x5a4 [libertas]
[ 8363.118326] LR is at 0x0
[ 8363.120836] pc : [<bf03a854>]    lr : [<00000000>]    psr: 60000113
[ 8363.120845] sp : ee66bf48  ip : 00000000  fp : 00000000
[ 8363.120845] r10: ee2c2088  r9 : c04e2efc  r8 : eef97005
[ 8363.132231] r7 : eee0716f  r6 : ee2c02c0  r5 : ee2c2088  r4 : eee07160
[ 8363.137419] r3 : 00000000  r2 : a0000113  r1 : 00000001  r0 : eee07160
[ 8363.143896] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment kernel
[ 8363.157630] Control: 10c5387d  Table: 2e754019  DAC: 00000015
[ 8363.163334] Process kworker/u:1 (pid: 25, stack limit = 0xee66a2f8)

While I've not found a smoking gun, there are two places that raised red flags
for me.  The first is in _internal_start_scan, when we queue up a scan; we
first queue the worker, and then set priv->scan_req.  There's theoretically
a 50mS delay which should be plenty, but doing things that way just seems
racy (and not in the good way).

The second is in the scan worker thread itself.  Depending on the state of
priv->scan_channel, we cancel pending scan runs and then requeue a run in
300mS.  We then send the scan command down to the hardware, sleep, and if
we get scan results for all the desired channels, we set priv->scan_req to
NULL.  However, it that's happened in less than 300mS, what happens with
the pending scan run?

This patch addresses both of those concerns.  With the patch applied, we
have not seen the oops in the past two weeks.

Signed-off-by: Andres Salomon <dilinger@queued.net>
Cc: stable@kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-12-21 15:06:10 -05:00
Luis R. Rodriguez 092fadb00c ath9k: classify DFS debug header further
DFS_DEBUG_H is very generic, instead use something more specific
to ath9k such as ATH9K_DFS_DEBUG_H.

Reported-by: Julian Calaby <julian.calaby@gmail.com>
Signed-off-by: Luis R. Rodriguez <mcgrof@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-12-21 15:06:09 -05:00
John W. Linville 03877332ae Merge branch 'for-linville' of git://git.kernel.org/pub/scm/linux/kernel/git/luca/wl12xx 2011-12-21 15:02:18 -05:00
John W. Linville b4949b8456 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless into for-davem 2011-12-21 13:18:22 -05:00
Eyal Shapira ee91d18551 wl12xx: mark no sched scan only after FW event
stop sched scan isn't an immediate operation
and we need to wait for PERIODIC_SCAN_COMPLETE_EVENT_ID
after sending a stop before changing internal state
and notifying upper layers.
Not doing this caused problems when canceling an existing sched
scan and immediately requesting to start a new one
with a different configuration as the FW was still
in the middle of the previous sched scan.

Signed-off-by: Eyal Shapira <eyal@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
2011-12-20 22:30:16 +02:00