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The check for PS_WAIT_FOR_TX_ACK was inverted, the hardware should only go
to full sleep if no tx is pending.
Reported-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Cc: stable@vger.kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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mactime was being overwritten by the function ath9k_rx_skb_preprocess. Fixed by
memsetting rx_status in ath_rx_tasklet.
Signed-off-by: Ashok Nagarajan <ashok@cozybit.com>
Signed-off-by: Javier Cardona <javier@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The proper place to configure bss info is at assoc notification. So that
ath9k continues to work if the supirous bssid notification will be
removed in future.
Cc: Johannes Berg <johannes@sipsolutions.net>
Reported-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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rt2800pci is suffering from beacon skew in AP mode. Some powersaving
clients (like VOIP phones) are getting into trouble after some time
when the beacon skew is getting too big.
The ralink legacy drivers contain a function that indicates that the
beacon timer is off by 1us per tbtt. And this function works around
that by reducing the beacon interval for every 64th beacon transmission
by 64us (the smallest possible value). Do the same in rt2800pci.
This allows proper powersaving when rt2800pci is used in AP mode.
Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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tested in AR9462 Rev:2, both hardware capability flag are set
Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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ipw2200 driver does not use these defines, it uses geo struct instead.
Therefore remove them from its header.
Note: we keep them in the ipw2100 driver's header, because the driver
still uses them.
Signed-off-by: Stanislav Yakovlev <stas.yakovlev@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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On systems with multiple NICs, it's nice to know which
one is producing warnings. Here is an example of the
new ouput:
ath: wiphy0: Failed to stop TX DMA, queues=0x005!
Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The patch "mac80211_hwsim: Add tsf to beacons, probe responses and radiotap
header" was setting the mactime on wrong hwsim radio. This patch fixes it.
Signed-off-by: Ashok Nagarajan <ashok@cozybit.com>
Signed-off-by: Javier Cardona <javier@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Flush MCI profiles only if MCI is being actually used.
This fixes a panic on driver unload when non-MCI devices
are being used and btcoex_enable is set.
BUG: unable to handle kernel NULL pointer dereference at (null)
IP: [<ffffffffa06296d2>] ath_mci_flush_profile+0x12/0x100 [ath9k]
Call Trace:
[<ffffffffa061befe>] ath9k_stop_btcoex+0x5e/0x80 [ath9k]
[<ffffffffa061ed57>] ath9k_stop+0xb7/0x230 [ath9k]
[<ffffffffa0533f30>] ieee80211_stop_device+0x50/0x180 [mac80211]
[<ffffffffa051f0cf>] ieee80211_do_stop+0x2af/0x6a0 [mac80211]
[<ffffffffa051f4da>] ieee80211_stop+0x1a/0x20 [mac80211]
[<ffffffff81365d96>] __dev_close_many+0x86/0xe0
[<ffffffff81365ee0>] dev_close_many+0xa0/0x110
[<ffffffff81366038>] rollback_registered_many+0xe8/0x260
[<ffffffff813661cb>] unregister_netdevice_many+0x1b/0x80
[<ffffffffa051e950>] ieee80211_remove_interfaces+0xd0/0x110 [mac80211]
[<ffffffffa050c133>] ieee80211_unregister_hw+0x53/0x120 [mac80211]
[<ffffffffa061d5a4>] ath9k_deinit_device+0x44/0x70 [ath9k]
[<ffffffffa062c1d4>] ath_pci_remove+0x54/0xa0 [ath9k]
[<ffffffff81267c46>] pci_device_remove+0x46/0x110
[<ffffffff8131021c>] __device_release_driver+0x7c/0xe0
[<ffffffff81310960>] driver_detach+0xd0/0xe0
[<ffffffff81310078>] bus_remove_driver+0x88/0xe0
[<ffffffff81311122>] driver_unregister+0x62/0xa0
[<ffffffff81268004>] pci_unregister_driver+0x44/0xc0
[<ffffffffa062c8b5>] ath_pci_exit+0x15/0x20 [ath9k]
[<ffffffffa063205d>] ath9k_exit+0x15/0x31 [ath9k]
[<ffffffff810b92cc>] sys_delete_module+0x18c/0x270
[<ffffffff814373dd>] ? retint_swapgs+0x13/0x1b
[<ffffffff8124828e>] ? trace_hardirqs_on_thunk+0x3a/0x3f
[<ffffffff81437de9>] system_call_fastpath+0x16/0x1b
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Is possible that we stop queue and then do not wake up it again,
especially when packets are transmitted fast. That can be easily
reproduced with modified tx queue entry_num to some small value e.g. 16.
If mac80211 already hold local->queue_stop_reason_lock, then we can wait
on that lock in both rt2x00queue_pause_queue() and
rt2x00queue_unpause_queue(). After drooping ->queue_stop_reason_lock
is possible that __ieee80211_wake_queue() will be performed before
__ieee80211_stop_queue(), hence we stop queue and newer wake up it
again.
Another race condition is possible when between rt2x00queue_threshold()
check and rt2x00queue_pause_queue() we will process all pending tx
buffers on different cpu. This might happen if for example interrupt
will be triggered on cpu performing rt2x00mac_tx().
To prevent race conditions serialize pause/unpause by queue->tx_lock.
Cc: stable@vger.kernel.org
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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On il3945_down procedure we free tx queue data and nullify il->txq
pointer. After that we drop mutex and then cancel delayed works. There
is possibility, that after drooping mutex and before the cancel, some
delayed work will start and crash while trying to send commands to
the device. For example, here is reported crash in
il3945_bg_reg_txpower_periodic():
https://bugzilla.kernel.org/show_bug.cgi?id=42766#c10
Patch fix problem by adding il->txq check on works that send commands,
hence utilize tx queue.
Reported-by: Clemens Eisserer <linuxhippy@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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NCT6775F and NCT6776F have their own set of registers for FAN_STOP_TIME. The
correct registers were used to read FAN_STOP_TIME, but writes used the wrong
registers. Fix it.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Cc: stable@vger.kernel.org # 3.0+
Acked-by: Jean Delvare <khali@linux-fr.org>
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num_sifr could go negative since acpi_pcc_get_sqty() returns -EINVAL
on error. Then it could bypass the sanity check (num_sifr > 255).
The subsequent call to kzalloc() would allocate a small buffer, leading
to a memory corruption.
Signed-off-by: Xi Wang <xi.wang@gmail.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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We have several reports which says acer-wmi is loaded on ideapads
and register rfkill for wifi which can not be unblocked.
Since ideapad-laptop also register rfkill for wifi and it works
reliably, it will be fine acer-wmi is not going to register rfkill
for wifi once VPC2004 is found.
Also put IBM0068/LEN0068 in the list. Though thinkpad_acpi has no
wifi rfkill capability, there are reports which says acer-wmi also
block wireless on Thinkpad E520/E420.
Signed-off-by: Ike Panhc <ike.pan@canonical.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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This patch adds support for some of the devices within a wide variety
of Fujitsu Tablet Computers, both convertibles and slates. Primarily
it allows for the automatic detection of the tablet/notebook mode for
convertible tablet pc's, and orientation for docked slates. It also
adds support for the application panel buttons usually found next to
the tablet screen, and docking station detection for slates.
Signed-off-by: Robert Gerlach <khnz@gmx.de>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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An rfkill driver based on the fsaa1655g and fsam7440 drivers for
Fujitsu-Siemens Amilo A1655 and M7440 models found at:
http://sourceforge.net/projects/fsaa1655g/
http://sourceforge.net/projects/fsam7440/
This adds DMI matching, replaces the procfs files with rfkill devices,
and uses the proper functions to write to the i8042 safely.
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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Portion of the commit id 080eec4fb4 ("ath6kl: Clear the IE in firmware
if not set") was overwritten by mistake due to a merge
conflict. This patch fixes the code back to how it should be.
kvalo: more details to the commit log
Signed-off-by: Aarthi Thiruvengadam <athiruve@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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This patch adds support for the Sitecom LN-031 USB adapter with a AX88178 chip.
Added USB id to find correct driver for AX88178 1000 Ethernet adapter.
Signed-off-by: Joerg Neikes <j.neikes@midlandgate.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch has been tested on a machine with the Realtek
RTL8101E/RTL8102E PCI Express Fast Ethernet controller (rev 05).
Cc: Realtek linux nic maintainers <nic_swsd@realtek.com>
Cc: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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request_irq and free_irq are compatible
Convert calls to free_irq so that the second argument is the same as the
last argument of the corresponding call to request_irq. Without this
property, free_irq does nothing.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Convert calls to free_irq so that the second argument is the same as the
last argument of the corresponding call to request_irq. Without this
property, free_irq does nothing.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Integer division may truncate the result, use DIV_ROUND_UP to ensure the
selected voltage falls within the specified range.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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The n_voltages setting for all LDOs and DCDCs are missing in current code.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Don't assign the voltage to selector.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@vger.kernel.org
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The driver does not need this leftover of the ISA drivers era.
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Cc: Hayes Wang <hayeswang@realtek.com>
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Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Cc: Hayes Wang <hayeswang@realtek.com>
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Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Cc: Hayes Wang <hayeswang@realtek.com>
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Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Cc: Hayes Wang <hayeswang@realtek.com>
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Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Cc: Hayes Wang <hayeswang@realtek.com>
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Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Cc: Hayes Wang <hayeswang@realtek.com>
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Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Cc: Hayes Wang <hayeswang@realtek.com>
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Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Cc: Hayes Wang <hayeswang@realtek.com>
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This driver is specific to the PowerPC legcay iSeries platform which is
being removed.
Cc: David Miller <davem@davemloft.net>
Cc: <netdev@vger.kernel.org>
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/bwh/sfc-next
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Signed-off-by: David S. Miller <davem@davemloft.net>
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Supports EG20T ptp clock in the driver
Changes e-mail address.
Adds number.
Signed-off-by: Takahiro Shimizu <tshimizu818@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Supports EG20T ptp clock in the driver
Changes e-mail address.
Adds number.
Signed-off-by: Takahiro Shimizu <tshimizu818@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem
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BIg portion of "iwlwifi: remove max_txq_num from hw_params" was
missing during merge, here is the fix for it.
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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iwlwifi: move command queue number out of the iwl_shared struct
move the cmd_queue out of iwl_shared struct, but for some reason the
patch is half done and fail compile
Here is the fix
John, could you apply this patch to wireless-next to address the issue
Thanks
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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in iwlwifi: move setting up fw parameters
Meenakshi moved code up to configure the transport layer, but this
code read the sku before it was set (from the EEPROM). This killed
P2P.
Only the ucode_flags are needed to configure the transport layer, not
the sku which _must_ be set after the EEPROM is read.
We need to reconfigure the transport in case the EEPROM disabled PAN
support. This is not the nicest thing to do, but we have no choice.
Document that we are allowed to configure the transport several times
before start_fw, but not after.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The command queue number is required by the transport
layer, but it can be determined only by the op mode.
Move this parameter to the dvm op mode, and configure
the transport layer using an API.
Signed-off-by: Meenakshi Venkataraman <meenakshi.venkataraman@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull two IOMMU fixes from Joerg Roedel:
"The first is an additional fix for the OMAP initialization order issue
and the second patch fixes a possible section mismatch which can lead
to a kernel crash in the AMD IOMMU driver when suspend/resume is used
and the compiler has not inlined the iommu_set_device_table function."
* tag 'iommu-fixes-v3.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
x86/amd: iommu_set_device_table() must not be __init
ARM: OMAP: fix iommu, not mailbox
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Pull radeon drm stuff from Dave Airlie:
"Just some radeon fixes, one is for an oops where we run out of ioremap
space on some big hardware systems in 32-bit mode, stuff doesn't work
properly but at least the machine will boot.
One regression fix, and two bugs, one hw, one blit code."
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/radeon/kms: fix hdmi duallink checks
drm/radeon/kms: set SX_MISC in the r6xx blit code (v2)
drm/radeon: deal with errors from framebuffer init path.
drm/radeon: fix a semaphore deadlock on pre cayman asics
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Pull networking from David Miller:
1) IPV4 routing metrics can become stale when routes are changed by the
administrator, fix from Steffen Klassert.
2) atl1c does "val |= XXX;" where XXX is a bit number not a bit mask,
fix by using set_bit. From Dan Carpenter.
3) Memory accounting bug in carl9170 driver results in wedged TX queue.
Fix from Nicolas Cavallari.
4) iwlwifi accidently uses "sizeof(ptr)" instead of "sizeof(*ptr)", fix
from Johannes Berg.
5) Openvswitch doesn't honor dp_ifindex when doing vport lookups, fix
from Ben Pfaff.
6) ehea conversion to 64-bit stats lost multicast and rx_errors
accounting, fix from Eric Dumazet.
7) Bridge state transition logging in br_stp_disable_port() is busted,
it's emitted at the wrong time and the message is in the wrong tense,
fix from Paulius Zaleckas.
8) mlx4 device erroneously invokes the queue resize firmware operation
twice, fix from Jack Morgenstein.
9) Fix deadlock in usbnet, need to drop lock when invoking usb_unlink_urb()
otherwise we recurse into taking it again. Fix from Sebastian Siewior.
10) hyperv network driver uses the wrong driver name string, fix from
Haiyang Zhang.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
net/hyperv: Use the built-in macro KBUILD_MODNAME for this driver
net/usbnet: avoid recursive locking in usbnet_stop()
route: Remove redirect_genid
inetpeer: Invalidate the inetpeer tree along with the routing cache
mlx4_core: fix bug in modify_cq wrapper for resize flow.
atl1c: set ATL1C_WORK_EVENT_RESET bit correctly
bridge: fix state reporting when port is disabled
bridge: br_log_state() s/entering/entered/
ehea: restore multicast and rx_errors fields
openvswitch: Fix checksum update for actions on UDP packets.
openvswitch: Honor dp_ifindex, when specified, for vport lookup by name.
iwlwifi: fix wowlan suspend
mwifiex: reset encryption mode flag before association
carl9170: fix frame delivery if sta is in powersave mode
carl9170: Fix memory accounting when sta is in power-save mode.
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The runtime PM of sh-sci devices is enabled when sci_probe() returns,
so the pm_runtime_put_sync() executed by driver_probe_device()
attempts to suspend the device. Then, in some situations, a
diagnostic message is printed to the console by one of the runtime
suspend routines handling the sh-sci device, which causes synchronous
runtime resume to be started from the device's own runtime suspend
callback. This causes rpm_resume() to be run eventually, which sees
the RPM_SUSPENDING status set by rpm_suspend() and waits for it to
change. However, the device's runtime PM status cannot change at
that point, because the routine that has set it waits for the
rpm_suspend() to return. A deadlock occurs as a result.
To avoid that make sci_init_single() increment the device's
runtime PM usage counter, so that it cannot be suspended by
driver_probe_device(). That counter has to be decremented
eventually, so make sci_startup() do that before starting to
actually use the device and make sci_shutdown() increment it
again before returning to balance the incrementation carried out by
sci_startup().
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Tested-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fix from Mark Brown:
"Another small, clear fix in a specific driver."
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: tps65910: Configure correct value for VDDCTRL vout reg
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Pull minor devicetree bug fixes and documentation updates from Grant Likely:
"Fixes up a duplicate #include, adds an empty implementation of
of_find_compatible_node() and make git ignore .dtb files. And fix up
bus name on OF described PHYs. Nothing exciting here."
* tag 'devicetree-for-linus' of git://git.secretlab.ca/git/linux-2.6:
doc: dt: Fix broken reference in gpio-leds documentation
of/mdio: fix fixed link bus name
of/fdt.c: asm/setup.h included twice
of: add picochip vendor prefix
dt: add empty of_find_compatible_node function
ARM: devicetree: Add .dtb files to arch/arm/boot/.gitignore
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