Helmut Schaa [Sat, 6 Aug 2011 11:13:48 +0000 (13:13 +0200)]
rt2x00: Fix PCI interrupt processing race on SMP systems
When toggle_irq is called for PCI devices to disable device interrupts
it used tasklet_disable to wait for a possibly running tasklet to finish.
However, on SMP systems the tasklet might still be scheduled on another CPU.
Instead, use tasklet_kill to ensure that all scheduled tasklets are finished
before returning from toggle_irq.
Furthermore, it was possible that a tasklet reenabled its interrupt even
though interrupts have been disabled already. Fix this by checking the
DEVICE_STATE_ENABLED_RADIO flag before reenabling single interrupts
during tasklet processing.
While at it also enable/kill the TBTT and PRETBTT tasklets in the
toggle_irq callback and only use tasklet_kill in stop_queue to wait
for a currently scheduled beacon update before returning.
Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Larry Finger [Sat, 6 Aug 2011 10:55:18 +0000 (05:55 -0500)]
rtlwifi: Eliminate raw reads and writes from PCIe portion
The PCIe driver used raw reads and writes on the PCIe hardware.
As all of these are only affecting the configuration space, all of
then can be converted to pci_{read,write}_config_XX calls.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
ath9k: Use atomic reference count for interrupt ops
Let us enable/disable interrupts based on reference count.
By doing this we can ensure that interrupts are never be
enabled in the middle of tasklet processing. Instead of
addressing corner cases like "ath9k: avoid enabling interrupts
while processing rx", this approach handles it in generic manner.
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Spur frequency was incorrectly computed with 10Mhz offset
which could cause the filter would not notch out the spur
and also this could improve rx sensitivity in HT40.
Cc: Madhan Jaganathan <madhanj@qca.qualcomm.com> Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
ath9k: do not enable interrupt on set interrupt mask
At preset set_interrupt also enables interrupt after changing
mask. This is not necessary in all cases and also sometime it
breaks the assumption that interrupt was disabled. So let us
enable the interrupt explicity if it was disabled earlier.
This could also avoid unnecessary register ops and also helps
the follow up patch to have global ref count for interrupts ops.
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Daniel Drake [Mon, 1 Aug 2011 15:43:13 +0000 (16:43 +0100)]
libertas: disable functionality when interface is down
Modify the driver so that it does not function when the interface is
down, in preparation for runtime power management.
No commands can be run while the interface is down, so the ndo_dev_stop
routine now directly does all necessary work (including asking the device
to disconnect from the network and disabling multicast functionality)
directly.
power_save and power_restore hooks are added meaning that card drivers
can take steps to turn the device off when the interface is down.
The MAC address can now only be changed when all interfaces are down;
the new address will be programmed when an interface gets brought up.
This matches mac80211 behaviour.
Also, some small cleanups/simplifications were made in the surrounding
device handling logic.
Signed-off-by: Daniel Drake <dsd@laptop.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Helmut Schaa [Mon, 1 Aug 2011 09:32:53 +0000 (11:32 +0200)]
mac80211: Don't use EAPOL frames for rate sampling
Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com> Acked-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Helmut Schaa [Mon, 1 Aug 2011 09:32:52 +0000 (11:32 +0200)]
mac80211: Fill in skb->protocol information for injected frames
Some drivers (ath9k for example) are using skb->protocol to treat EAPOL
frames somehow special (disallow aggregation for example).
When running in AP mode hostapd injects the EAPOL frames through a
monitor interface and thus skb->protocol isn't set at all. Hence, if the
injected frame is a data frame and carries a rfc1042 headaer update the
skb->protocol field accordingly.
Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Felix Fietkau [Thu, 28 Jul 2011 12:08:56 +0000 (14:08 +0200)]
ath9k_hw: calculate a much better approximation of channel noise
Currently ath9k presents the internal calibrated noise floor as channel
noise measurement, however this results in highly chip specific values
that are only useful as relative measurements but do not resemble any
real channel noise values.
In order to give a much better approximation of the real channel noise,
add the difference between the measured noise floor and the nominal
chip specific noise floor to the default minimum channel noise value,
which is currently used to calculate the signal strength from the RSSI
value. This may not be 100% accurate, but it's much better than what's
there before.
Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
mac80211/mesh: make the preq queue lock consistent
Make mesh_preq_queue_lock locking consistent with mesh_queue_preq() using
spin_lock_bh().
Signed-off-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Javier Cardona <javier@cozybit.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Daniel Drake [Wed, 27 Jul 2011 16:19:00 +0000 (17:19 +0100)]
libertas_usb: program OLPC EC wakeup mask for wake-on-WLAN
OLPC power management code has recently gone upstream. This piece
completes the puzzle for libertas_usb, which now programs the OLPC EC
for wlan wakeups when they have been requested.
Signed-off-by: Daniel Drake <dsd@laptop.org> Acked-by: Dan Williams <dcbw@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Pavel Roskin [Tue, 26 Jul 2011 22:52:41 +0000 (18:52 -0400)]
hostap_cs: support cards with "Version 01.02" as third product ID
Cards with numeric ID 0x0156:0x0002 and third ID "Version 01.02" can be
assumed to have Intersil firmware. Cards with Agere firmware use
"Version 01.01".
Signed-off-by: Pavel Roskin <proski@gnu.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Pavel Roskin [Tue, 26 Jul 2011 22:52:35 +0000 (18:52 -0400)]
pcmcia: add PCMCIA_DEVICE_MANF_CARD_PROD_ID3
This is needed to match wireless cards with Intersil firmware that have
ID 0x0156:0x0002 and the third ID "Version 01.02". Such cards are
currently matched by orinoco_cs, which doesn't support WPA. They should
be matched by hostap_cs.
The first and the second product ID vary widely, so there are few users
with some particular IDs. Of those, very few can submit a patch for
hostap_cs or write a useful bugreport. It's still important to support
their hardware properly.
With PCMCIA_DEVICE_MANF_CARD_PROD_ID3, it should be possible to cover
the remaining Intersil based designs that kept the numeric ID and the
"version" of the reference design.
Signed-off-by: Pavel Roskin <proski@gnu.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Pavel Roskin [Tue, 26 Jul 2011 15:36:48 +0000 (11:36 -0400)]
b43legacy: report core number
Signed-off-by: Pavel Roskin <proski@gnu.org> Acked-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Helmut Schaa [Fri, 5 Aug 2011 09:46:19 +0000 (11:46 +0200)]
mac80211: Don't use a buf_size=0 in ADDBA requests
According to 802.11-2007, 7.3.1.14 it is compliant to use a buf_size of
0 in ADDBA requests. But some devices (AVM Fritz Stick N) arn't able to
handle that correctly and will reply with an ADDBA reponse with a
buf_size of 0 which in turn will disallow BA sessions for these
devices.
To work around this problem, initialize hw.max_tx_aggregation_subframes
to the maximum AMPDU buffer size 0x40.
Using 0 as default for the bufsize was introduced in commit 5dd36bc933e8be84f8369ac64505a2938f9ce036 (mac80211: allow advertising
correct maximum aggregate size).
Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Helmut Schaa [Tue, 26 Jul 2011 10:18:27 +0000 (12:18 +0200)]
mac80211: Stop TX BA session if buf_size is zero
If we receive an ADDBA response with status code 0 and a buf_size of 0
we should stop the TX BA session as otherwise we'll end up queuing
frames in ieee80211_tx_prep_agg forever instead of sending them out as
non AMPDUs.
This fixes a problem with AVM Fritz Stick N wireless devices where
frames to this device are not transmitted anymore by mac80211.
Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Pavel Roskin [Mon, 25 Jul 2011 21:40:22 +0000 (17:40 -0400)]
b43legacy: remove 64-bit DMA support
Devices supported by b43legacy don't support 64-bit DMA.
Signed-off-by: Pavel Roskin <proski@gnu.org> Acked-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Johannes Berg [Sat, 23 Jul 2011 17:24:48 +0000 (10:24 -0700)]
mac80211: remove offchannel_tx API
For iwlwifi, I decided not to use this API since
it just increased the complexity for little gain.
Since nobody else intends to use it, let's kill
it again. If anybody later needs to have it, we
can always revive it then.
Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Johannes Berg [Sat, 23 Jul 2011 17:24:47 +0000 (10:24 -0700)]
iwlagn: support new P2P implementation
The previous P2P implementation turned out to
not work well and new uCode capabilities were
added to support P2P. Modify the driver to
take advantage of those, and also discover P2P
support automatically based on a uCode flag
instead of having a Kconfig symbol for P2P.
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>
Johannes Berg [Sat, 23 Jul 2011 17:24:46 +0000 (10:24 -0700)]
iwlagn: move context init after firmware loading
The availability of contexts depends on the
firmware capabilities. Currently only the
presence of the second context depends on it,
but soon P2P support will also be different.
Move the context initialisation code to the
firmware-dependent setup before registering
with mac80211 to make it easier to handle.
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>
Johannes Berg [Sat, 23 Jul 2011 17:24:45 +0000 (10:24 -0700)]
iwlagn: bump firmware API for some devices
We're working on improvements for the firmware
for some devices, and need to bump the API for
those since they won't be backward compatible
completely (the earlier patch reserving queue
10 for P2P).
Bump the API version to 6 for those devices
but don't warn users of version 5 yet.
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>
Johannes Berg [Sat, 23 Jul 2011 17:24:44 +0000 (10:24 -0700)]
iwlagn: separate firmware version warning
We sometimes need to support new firmware API for
a while before we can publish them since testing
them fully takes a long time. We could keep all
the new code private, but that causes plenty of
problems and sometimes we can give a pre-release
version of firmware to people who need to test.
However, when we just bump the API version, the
driver will warn everybody that their firmware is
outdated, when in fact it isn't. (Currently our
case for this doesn't really change the API but
bumping the API version is necessary because the
firmware isn't fully backward compatible)
In order to handle this in the future, add a new
"api_ok" version; only below this will the driver
warn that the uCode is too old.
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>
Johannes Berg [Sat, 23 Jul 2011 17:24:40 +0000 (10:24 -0700)]
iwlagn: reserve queue 10 for TX during scan dwell
New uCode images will use queue 10 for TX
during scan (for P2P offchannel operation
scan). We'll bump the API version of those,
but before we need to reserve queue 10 and
stop using it for aggregation.
To simplify the code, always reserve it,
we could continue using it on older uCode
images but that'd be rather complicated.
Also, we'll set it up to map to the right
FIFO as needed later, but as we don't use
the queue now that doesn't hurt.
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>
Pavel Roskin [Sat, 23 Jul 2011 13:29:09 +0000 (09:29 -0400)]
ath5k: eliminate CHANNEL_* macros, use AR5K_MODE_* in channel->hw_value
When checking for the band, use channel->band.
Change ath5k_hw_nic_wakeup() and ath5k_channel_ok() to take
ieee80211_channel. Change ath5k_hw_radio_revision() to take
ieee80211_band.
Signed-off-by: Pavel Roskin <proski@gnu.org> Tested-by: Sedat Dilek <sedat.dilek@gmail.com> Acked-by: Nick Kossifidis <mickflemm@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Pavel Roskin [Sat, 23 Jul 2011 13:29:03 +0000 (09:29 -0400)]
ath5k: remove most references to XR
XR is a proprietary feature of the chipset. It's not supported and
should not be supported.
Signed-off-by: Pavel Roskin <proski@gnu.org> Tested-by: Sedat Dilek <sedat.dilek@gmail.com> Acked-by: Nick Kossifidis <mickflemm@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Pavel Roskin [Sat, 23 Jul 2011 13:28:56 +0000 (09:28 -0400)]
ath5k: remove unused and write-only structures and fields
struct ath5k_avg_val is unused.
In struct ath5k_hw, lladdr, ah_radar and ah_mac_revision are write-only,
rxbufsize is unused, ah_phy is write-only and referenced by unused
macros.
In struct ath5k_vif, lladdr is write-only.
Remove AR5K_TUNE_RADAR_ALERT, which has no effect.
Signed-off-by: Pavel Roskin <proski@gnu.org> Tested-by: Sedat Dilek <sedat.dilek@gmail.com> Acked-by: Nick Kossifidis <mickflemm@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Prepare bcm47xx to support different System buses. Before adding
support for bcma it should be possible to build bcm47xx without the
need of ssb. With this patch bcm47xx does not directly contain a
ssb_bus, but a union contain all the supported system buses. As a SoC
just uses one system bus a union is a good choice.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Acked-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
This patch adds support for using bcma on a Broadcom SoC as the system
bus. An SoC like the bcm4716 could register this bus and use it to
searches for the bcma cores and register the devices on this bus.
BCMA_HOSTTYPE_NONE was intended for SoCs at first but BCMA_HOSTTYPE_SOC
is a better name.
Acked-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Acked-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
The chip common and mips core have to be setup early in the boot
process to get the cpu clock.
bcma_bus_early_register() gets pointers to some space to store the core
data and searches for the chip common and mips core and initializes
chip common. After that was done and the kernel is out of early boot we
just have to run bcma_bus_register() and it will search for the other
cores, initialize and register them.
The cores are getting the same numbers as before.
Acked-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Acked-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Sergei Shtylyov [Fri, 22 Jul 2011 15:58:23 +0000 (19:58 +0400)]
ath9k: use pci_dev->subsystem_device
The driver reads PCI subsystem ID from the PCI configuration register while it's
already stored by the PCI subsystem in the 'subsystem_device' field of 'struct
pci_dev'...
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Daniel Drake [Thu, 21 Jul 2011 19:43:44 +0000 (20:43 +0100)]
libertas_usb: use USB interface as parent device
Currently, "udevadm info -a -p /sys/class/net/wlan0" doesn't mention
the usb8xxx or libertas driver anywhere. This makes writing udev rules
a bit uncomfortable.
Using the USB interface as the parent device corrects the hierarchy.
Signed-off-by: Daniel Drake <dsd@laptop.org> Acked-by: Dan Williams <dcbw@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Daniel Drake [Thu, 21 Jul 2011 19:43:17 +0000 (20:43 +0100)]
libertas: link mesh device to wiphy
The mesh device is now exposed as an interface of the wiphy.
This exposes the mesh device to the cfg80211 interface, allowing
mesh channel selection to be reimplemented, and available to
NetworkManager as it was before.
Some header tweaking was needed in order to implement lbs_mesh_activated().
Signed-off-by: Daniel Drake <dsd@laptop.org> Acked-by: Dan Williams <dcbw@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Johannes Berg [Fri, 15 Jul 2011 11:01:38 +0000 (13:01 +0200)]
cfg80211: remove unused wext handler exports
A lot of code is dedicated to giving drivers the
ability to use cfg80211's wext handlers without
completely converting. However, only orinoco is
currently using this, and it is only partially
using it.
We reduce the size of both the source and binary
by removing those that nobody needs. If a driver
shows up that needs it during conversion, we can
add back those that are needed.
Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Johannes Berg [Wed, 13 Jul 2011 08:39:18 +0000 (10:39 +0200)]
mwifiex: add wext include
In trying to remove the wext includes from mac80211
and cfg80211 I found that mwifiex currently uses
them. This is wrong, it shouldn't, but to not break
it completely include wext there.
Please remove this and fix all the resulting bugs.
Cc: Bing Zhao <bzhao@marvell.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com> Acked-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Johannes Berg [Wed, 13 Jul 2011 08:39:16 +0000 (10:39 +0200)]
wl12xx: remove wext dependencies
This driver uses IW_ESSID_MAX_SIZE when it should
be using IEEE80211_MAX_SSID_LEN instead.
Signed-off-by: Johannes Berg <johannes.berg@intel.com> Acked-by: Luciano Coelho <coelho@ti.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Johannes Berg [Wed, 13 Jul 2011 08:39:14 +0000 (10:39 +0200)]
b43legacy: remove wireless extensions inclusions
linux/wireless.h and net/iw_handler.h headers are
for wireless extensions only, so mac80211 drivers
shouldn't be including them.
Signed-off-by: Johannes Berg <johannes.berg@intel.com> Acked-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Johannes Berg [Wed, 13 Jul 2011 08:39:12 +0000 (10:39 +0200)]
ath5k: remove wireless extensions inclusions
linux/wireless.h and net/iw_handler.h headers are
for wireless extensions only, so mac80211 drivers
shouldn't be including them.
Signed-off-by: Johannes Berg <johannes.berg@intel.com> Acked-by: Pavel Roskin <proski@gnu.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Johannes Berg [Wed, 13 Jul 2011 08:39:09 +0000 (10:39 +0200)]
cfg80211: split wext compatibility to separate header
A lot of drivers erroneously use wext constants
and don't notice since cfg80211.h includes them.
Make this more split up so drivers needing wext
compatibility from cfg80211 need to explicitly
include that from cfg80211-wext.h.
Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
We may call rt2x00queue_pause_queue(queue) with queue == NULL. Bug
was introduced by commit 62fe778412b36791b7897cfa139342906fbbf07b
"rt2x00: Fix stuck queue in tx failure case" .
Cc: stable@kernel.org # 3.0+ Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Reported-by: Randy Dunlap <rdunlap@xenotime.net> Acked-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
This bug has been introduced by: d593411084a56124aa9d80aafa15db8463b2d8f7
Author: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Date: Mon Jul 11 10:48:51 2011 +0300
iwlagn: simplify the bus architecture
Revert part of the buggy patch: dev_get_drvdata will now return
iwl_priv as it did before the patch.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Tested-by: Daniel Halperin <dhalperi@cs.washington.edu> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
We should clear skb->data not skb itself. Bug was introduced by:
commit 0b8004aa12d13ec750d102ba4082a95f0107c649 "rt2x00: Properly
reserve room for descriptors in skbs".
Cc: stable@kernel.org # 2.6.36+ Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Larry Finger [Fri, 29 Jul 2011 15:53:12 +0000 (10:53 -0500)]
rtlwifi: Fix kernel oops on ARM SOC
This driver uses information from the self member of the pci_bus struct to
get information regarding the bridge to which the PCIe device is attached.
Unfortunately, this member is not established on all architectures, which
leads to a kernel oops.
Skipping the entire block that uses the self member to determine the bridge
vendor will only affect RTL8192DE devices as that driver sets the ASPM support
flag differently when the bridge vendor is Intel. If the self member is
available, there is no functional change.
This patch fixes Bugzilla No. 40212.
Reported-by: Hubert Liao <liao.hubertt@gmail.com> Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Cc: Stable <stable@kernel.org> [back to 2.6.38] Signed-off-by: John W. Linville <linville@tuxdriver.com>
ath9k: skip ->config_pci_powersave() if PCIe port has ASPM disabled
We receive many bug reports about system hang during suspend/resume
when ath9k driver is in use. Adrian Chadd remarked that this problem
happens on systems that have ASPM disabled.
To do not hit the bug, skip doing ->config_pci_powersave magic if PCIe
downstream port device, which ath9k device is connected to, has ASPM
disabled.
Patch should address:
https://bugzilla.kernel.org/show_bug.cgi?id=37462
https://bugzilla.kernel.org/show_bug.cgi?id=37082
https://bugzilla.redhat.com/show_bug.cgi?id=697157
however I did not receive confirmation about that, except from Camilo
Mesias, whose system stops hang regularly with this patch (but still
hangs from time to time, but this is probably some other bug).
Tested-by: Camilo Mesias <camilo@mesias.co.uk> Cc: stable@kernel.org # 2.6.35+ Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
If settings of tx power was deferred during scan or changing channel we
have to setup them during commit rxon. Fix problem on 3945 (4965 already
has this fix).
Optimize code to apply tx settings only when tx power was actually
changed.
Cc: stable@kernel.org # 2.6.39+ Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (32 commits)
tg3: Remove 5719 jumbo frames and TSO blocks
tg3: Break larger frags into 4k chunks for 5719
tg3: Add tx BD budgeting code
tg3: Consolidate code that calls tg3_tx_set_bd()
tg3: Add partial fragment unmapping code
tg3: Generalize tg3_skb_error_unmap()
tg3: Remove short DMA check for 1st fragment
tg3: Simplify tx bd assignments
tg3: Reintroduce tg3_tx_ring_info
ASIX: Use only 11 bits of header for data size
ASIX: Simplify condition in rx_fixup()
Fix cdc-phonet build
bonding: reduce noise during init
bonding: fix string comparison errors
net: Audit drivers to identify those needing IFF_TX_SKB_SHARING cleared
net: add IFF_SKB_TX_SHARED flag to priv_flags
net: sock_sendmsg_nosec() is static
forcedeth: fix vlans
gianfar: fix bug caused by 87c288c6e9aa31720b72e2bc2d665e24e1653c3e
gro: Only reset frag0 when skb can be pulled
...
Merge branch 'for-linus' of git://neil.brown.name/md
* 'for-linus' of git://neil.brown.name/md: (75 commits)
md/raid10: handle further errors during fix_read_error better.
md/raid10: Handle read errors during recovery better.
md/raid10: simplify read error handling during recovery.
md/raid10: record bad blocks due to write errors during resync/recovery.
md/raid10: attempt to fix read errors during resync/check
md/raid10: Handle write errors by updating badblock log.
md/raid10: clear bad-block record when write succeeds.
md/raid10: avoid writing to known bad blocks on known bad drives.
md/raid10 record bad blocks as needed during recovery.
md/raid10: avoid reading known bad blocks during resync/recovery.
md/raid10 - avoid reading from known bad blocks - part 3
md/raid10: avoid reading from known bad blocks - part 2
md/raid10: avoid reading from known bad blocks - part 1
md/raid10: Split handle_read_error out from raid10d.
md/raid10: simplify/reindent some loops.
md/raid5: Clear bad blocks on successful write.
md/raid5. Don't write to known bad block on doubtful devices.
md/raid5: write errors should be recorded as bad blocks if possible.
md/raid5: use bad-block log to improve handling of uncorrectable read errors.
md/raid5: avoid reading from known bad blocks.
...