* pm-fixes:
cpufreq: Correct header guards typo
cpufreq: check OF node /cpus presence before dereferencing it
PM / devfreq: Fix compiler warnings for CONFIG_PM_DEVFREQ unset
PM / QoS: Avoid possible deadlock related to sysfs access
USB / PM: Don't try to hide PM QoS flags from usb_port_device_release()
* acpi-fixes:
ACPI / BGRT: Don't let users configure BGRT on non X86 systems
cpuidle / ACPI: recover percpu ACPI processor cstate
ACPI / I2C: Use parent's ACPI_HANDLE() in acpi_i2c_register_devices()
ACPI / SPI: Use parent's ACPI_HANDLE() in acpi_register_spi_devices()
Pull HID fixes from Jiri Kosina:
- Workaround for device ID conflict between Masterkit MA901 usb radio
device and Atmel V-USB devices, to avoid regressions from older
kernels, by Alexey Klimov
- fix for possible race during input device registration in magicmouse
driver, by Benjamin Tissoires
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid:
HID: magicmouse: fix race between input_register() and probe()
media: radio-ma901: return ENODEV in probe if usb_device doesn't match
HID: fix Masterkit MA901 hid quirks
- Fix erroneous return value in the ICH driver
- Make the STMPE driver proper properly on device tree boots
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Merge tag 'gpio-fixes-v3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO fixes from Linus Walleij:
"Two GPIO fixes for the v3.9 series:
- Fix erroneous return value in the ICH driver
- Make the STMPE driver proper properly on device tree boots"
* tag 'gpio-fixes-v3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
gpio: stmpe: pass DT node to irqdomain
gpio-ich: Fix value returned by ichx_gpio_request
This reverts commit 6ab317419c.
The commit [6ab317419c: ALSA: hda - Allow power_save_controller option
override DCAPS] changed the behavior of power_save_controller so that
it can override the driver capability. This assumed that this option
is rarely changed dynamically unlike power_save option. Too naive.
It turned out that the user-space power-management tool tries to set
power_save_controller option to 1 together with power_save option
without knowing what's actually doing. This enabled forcibly the
runtime PM of the controller, which is known to be broken om many
chips thus disabled as default.
So, the only sane fix is to revert this commit again. It was intended
to ease debugging/testing for runtime PM enablement, but obviously we
need another way for it.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=56171
Reported-and-tested-by: Nikita Tsukanov <keks9n@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Rename "Digitial In" to "Digital In". This function is only used for
proc output, so should not cause any problems to change.
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This patch removes redundant whitespace from the HCI ldisc driver.
Signed-off-by: Chan-yeol Park <chanyeol.park@samsung.com>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
This patch adds a NULL check for the HCI UART ldisc driver because some
of HCI UART drivers allow hci_uart_tty_receive function to be called
even though the HCI device hasn't been registered yet.
Signed-off-by: Chan-yeol Park <chanyeol.park@samsung.com>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
This patch adds a check HCI_UART_REGISTERED before reading UART data in
the HCI UART H4 driver. UART data could arrive when inside the
hci_uart_tty_ioctl function after calling test_and_set_bit for
HCI_UART_PROTO_SET but before the hci_uart_set_proto function has
returned.
Backtrace:
[<c05f27ec>] (hci_recv_stream_fragment+0x0/0x74) from [<c04126f4>] (h4_recv+0x18/0x40)
r7:eb1d4d1c r6:eb7683b0 r5:eae8e800 r4:0000000c
[<c04126dc>] (h4_recv+0x0/0x40) from [<c0411870>] (hci_uart_tty_receive+0x6c/0x94)
r5:eae8e800 r4:eb768380
[<c0411804>] (hci_uart_tty_receive+0x0/0x94) from [<c027be88>] (flush_to_ldisc+0x16c/0x17c)
r6:eae8e8d8 r5:eae8e800 r4:eae8e8c8
[<c027bd1c>] (flush_to_ldisc+0x0/0x17c) from [<c0050ae8>] (process_one_work+0x144/0x4d4)
[<c00509a4>] (process_one_work+0x0/0x4d4) from [<c0051208>] (worker_thread+0x180/0x370)
[<c0051088>] (worker_thread+0x0/0x370) from [<c005617c>] (kthread+0x90/0x9c)
[<c00560ec>] (kthread+0x0/0x9c) from [<c003a3a0>] (do_exit+0x0/0x7ec)
Signed-off-by: Chan-yeol Park <chanyeol.park@samsung.com>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
When withdraw occurs, we need to continue to allow unlocks of fcntl
locks to occur, however these will only be local, since the node has
withdrawn from the cluster. This prevents triggering a VFS level
bug trap due to locks remaining when a file is closed.
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
The error code in gfs2_rs_alloc() is set to ENOMEM when error
but never be used, instead, gfs2_rs_alloc() always return 0.
Fix to return 'error'.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Use memchr_inv to verify that the specified memory range is cleared.
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Steven Whitehouse <swhiteho@redhat.com>
Cc: cluster-devel@redhat.com
Cc: Christine Caulfield <ccaulfie@redhat.com>
Cc: David Teigland <teigland@redhat.com>
The temp lvb bitmap was on the stack, which could
be an alignment problem for __set_bit_le. Use
kmalloc for it instead.
Signed-off-by: David Teigland <teigland@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
This patch removes the hci_req_cmd_status function since it is not
used anymore. The HCI request framework now considers the HCI command
has complete once the Command Status or Command Complete Event is
received.
Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Since the HCI request framework was properly fixed, the hci_req_sync
call, in hci_inquiry, will return as soon as the HCI command completes
(not the Inquiry procedure). However, in inquiry ioctl implementation,
we want to sleep the user process until the inquiry procedure finishes.
This patch changes hci_inquiry so, in case the HCI Inquiry command
was executed successfully, it waits the HCI_INQUIRY flag to be cleared.
This way, the user process will sleep until the inquiry procedure
finishes.
Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Some HCI commands don't send a Command Complete Event once the HCI
command has completed so they require some special handling from the
HCI request framework. These HCI commands, however, send a Command
Status Event to indicate that the command has been received, and
that the controller is currently performing the task for the command.
So, in order to properly handle those HCI commands, the HCI request
framework should consider the HCI command has completed once the
Command Status Event is received.
This way, we fix some issues regarding the Inquiry command support,
as well as add support for all those HCI commands which would require
some special handling from the HCI request framework.
Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Since kernel 3.7, it appears that the input registration occured before
the end of magicmouse_setup_input(). This is shown by receiving a lot of
"EV_SYN SYN_REPORT 1" instead of normal "EV_SYN SYN_REPORT 0".
This value means that the output buffer is full, and the user space
is loosing events.
Using .input_configured guarantees that the race is not occuring, and that
the call of "input_set_events_per_packet(input, 60)" is taken into account
by input_register().
Fixes:
https://bugzilla.redhat.com/show_bug.cgi?id=908604
Cc: stable@vger.kernel.org
Reported-and-Tested-By: Clarke Wixon <cwixon@usa.net>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Dan reports:
New smatch warnings:
drivers/block/mtip32xx/mtip32xx.c:2728 show_device_status() warn: variable dereferenced before check 'dd' (see line 2727)
drivers/block/mtip32xx/mtip32xx.c:2758 show_device_status() warn: variable dereferenced before check 'dd' (see line 2757)
which are checking if dd == NULL, in a list_for_each_entry() type loop.
Get rid of the check, dd can never be NULL here.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
* Added the device ID to the modalias list and assinged ALC662 patches
for it
* Added 4 port support for the device ID 0671 in alc662_parse_auto_config
Signed-off-by: Rainer Koenig <Rainer.Koenig@ts.fujitsu.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
On Mon, Mar 25, 2013 at 06:26:50PM +0100, Ronald wrote:
> In reply to [1]: I have the same issue. Git bisect took 50+ rebuilds xD
>
> Smartd does not work anymore since 84a9a8cd9 ([libata] Set proper SK
> when CK_COND is set.).
> [1] http://www.spinics.net/lists/linux-ide/msg45268.html
It seems that the SAM_STAT_CHECK_CONDITION is not cleared
causing -EIO, because that patch modified sensebuf and
the check for clearing SAM_STAT_CHECK_CONDITION is no longer valid.
Fix that.
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Commit 803739d25c ("[libata] replace
sata_settings with devslp_timing"), which was also Cc: stable, used a
stack buffer to receive data from ata_read_log_page(), which triggers
the following warning:
ahci 0000:00:1f.2: DMA-API: device driver maps memory fromstack [addr=ffff880140469948]
Fix this by using ap->sector_buf instead of a stack buffer.
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Cc: stable@kernel.org
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
There is a quirk patch 5e5a4f5d5a
"ata_piix: make DVD Drive recognisable on systems with Intel Sandybridge
chipsets(v2)" fixing the 4 ports IDE controller 32bit PIO mode.
We've hit a problem with DVD not recognized on Haswell Desktop platform which
includes Lynx Point 2-port SATA controller.
This quirk patch disables 32bit PIO on this controller in IDE mode.
v2: Change spelling error in statememnt pointed by Sergei Shtylyov.
v3: Change comment statememnt and spliting line over 80 characters pointed by
Libor Pechacek and also rebase the patch against 3.8-rc7 kernel.
Tested-by: Lee, Chun-Yi <jlee@suse.com>
Signed-off-by: Youquan Song <youquan.song@intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
The function returns type of ATAPI drives so it should return integer value.
The commit 4dce8ba94c (libata: Use 'bool' return value for ata_id_XXX) since
v2.6.39 changed the type of return value from int to bool, the change would
cause all of the ATAPI class drives to be treated as TYPE_TAPE and the
max_sectors of the drives to be set to 65535 because of the commit
f8d8e5799b7(libata: increase 128 KB / cmd limit for ATAPI tape drives), for the
function would return true for all ATAPI class drives and the TYPE_TAPE is
defined as 0x01.
Cc: stable@vger.kernel.org
Signed-off-by: Shan Hai <shan.hai@windriver.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Pull ARM fixes from Russell King:
"Another round of ARM fixes, which include:
- Fixing a problem with LPAE mapping sections
- Reporting of some hwcaps on Krait CPUs
- Avoiding repetitive warnings in the breakpoint code
- Fixing a build error noticed on Dove platforms with PJ4 CPUs
- Fix masking of level 2 cache revision.
- Fixing timer-based udelay()
- A larger fix for an erratum causing people major grief with Cortex
A15 CPUs"
* 'fixes' of git://git.linaro.org/people/rmk/linux-arm:
ARM: 7690/1: mm: fix CONFIG_LPAE typos
ARM: 7689/1: add unwind annotations to ftrace asm
ARM: 7685/1: delay: use private ticks_per_jiffy field for timer-based delay ops
ARM: 7684/1: errata: Workaround for Cortex-A15 erratum 798181 (TLBI/DSB operations)
ARM: 7682/1: cache-l2x0: fix masking of RTL revision numbering and set_debug init
ARM: iWMMXt: always enable iWMMXt support with PJ4 CPUs
ARM: 7681/1: hw_breakpoint: use warn_once to avoid spam from reset_ctrl_regs()
ARM: 7678/1: Work around faulty ISAR0 register in some Krait CPUs
ARM: 7680/1: Detect support for SDIV/UDIV from ISAR0 register
ARM: 7679/1: Clear IDIVT hwcap if CONFIG_ARM_THUMB=n
ARM: 7677/1: LPAE: Fix mapping in alloc_init_section for unaligned addresses
ARM: KVM: vgic: take distributor lock on sync_hwstate path
ARM: KVM: vgic: force EOIed LRs to the empty state
The runtime PM of PCIe ports turns out to be quite fragile, as in
some cases things work while in some other cases they don't and we
don't seem to have a good way to determine whether or not they are
going to work in advance.
For this reason, avoid enabling runtime PM for PCIe ports by
keeping their runtime PM reference counters always above 0 for the
time being.
When a PCIe port is suspended, it can no longer report events like
hotplug, so hotplug below the port may not work, as in the bug
report below.
[bhelgaas: changelog, stable]
Reference: https://bugzilla.kernel.org/show_bug.cgi?id=53811
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
CC: stable@vger.kernel.org # v3.6+
It turns out that the _Lxx control methods provided by some BIOSes
clear the PME Status bit of PCI devices they handle, which means that
pci_acpi_wake_dev() cannot really use that bit to check whether or
not the device has signalled wakeup.
One symptom of the problem is, for example, that when an affected PCI
USB controller is runtime-suspended, then plugging in a new USB device
into one of the controller's ports will not wake up the controller,
which should happen.
For this reason, make pci_acpi_wake_dev() always attempt to resume
the device it is called for regardless of the device's PME Status bit
value (that bit still has to be cleared if set at this point,
though).
Reported-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Matthew Garrett <mjg59@srcf.ucam.org>
CC: stable@vger.kernel.org # v3.7+
It actually handles a BT coex notification, so rename it
to be more self explained.
Also, this function can always look at mvm->last_bt_notif
provided that the latter is updated on time.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Using IWL_MVM_STATION_COUNT and IWL_INVALID_STATION together
isn't a good idea as they have different values. Always use
IWL_MVM_STATION_COUNT for an invalid station in MVM and move
the definition of the IWL_INVALID_STATION constant into the
DVM driver to avoid making such mistakes again. The one use
in the transport code can be hard-coded to -1 instead as the
station ID is passed as an integer there.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
some new thinkpad laptops use intel chip with new pci id need be added
lspci -vnn output:
Network controller [0280]: Intel Corporation Centrino Advanced-N 6235
[8086:088f] (rev 24)
Subsystem: Intel Corporation Device [8086:5260]
Signed-off-by: Shuduo Sang <sangshuduo@gmail.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The iterators don't need to know what bt_kill_msk means.
All they need to know is if reduced Tx power is enabled
on an interface or not. So change the member of the
iterator to be a bool.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The firmware API changed to differentiate between event and
fragment start/end. Change the time-event handling accordingly.
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Many platforms have issues processing a wakeup signal
while they're still suspending, and will ignore it.
Since our device thinks it woke the platform, and the
platform ignored the signal, it will sleep without
WoWLAN being enabled as the device disables WoWLAN
when having woken the platform.
Resolve this by making the device wait for 10 seconds
after getting the suspend signal before waking up the
platform.
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The function just wraps an existing one, remove it.
Signed-off-by: Alexander Bondar <alexander.bondar@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The requirement for TX/RX active to powersave transition time for
the Balanced Power Save (BPS) scheme changed. Change the driver
accordingly and set transition time to 100 msec.
Signed-off-by: Alexander Bondar <alexander.bondar@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Encapsulate the power table command logging in a separate
function to print the same information in both cases.
Signed-off-by: Alexander Bondar <alexander.bondar@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The firmware starts sending nulldata frames for keepalive immediately
after association, regardless of power management state. The driver
thus needs to configure keep alive period unconditionally.
Signed-off-by: Alexander Bondar <alexander.bondar@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The driver distinguishes between power management and device's power
down enablement. Power management enablement depends both on driver's
module power parameters and mac80211 decision. The device's power down
depends only on driver's module power parameters. Change the driver to
always send Power Table command to enable or disable both power
management and device's power down.
Signed-off-by: Alexander Bondar <alexander.bondar@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Active to power save mode transition time for TX/RX in the power
table command is in microseconds, fix the units in the driver.
Signed-off-by: Alexander Bondar <alexander.bondar@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Currently power management is supported only when only a single
virtual interface is present. The driver verifies number of created
interfaces and disables power management when multiple interfaces
present. However, this rule does not extend to a P2P device that is
handled differently in the firmware. If a P2P device is added power
management can remain enabled.
Signed-off-by: Alexander Bondar <alexander.bondar@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Replace SLEEP_OVER_DTIM by SKIP_OVER_DTIM.
Add iwl_mvm prefix to a function name.
Signed-off-by: Alexander Bondar <alexander.bondar@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Current available FW still doesn't support new PM API.
Therefore, to enable basic power management with the
existing firmware, change the API in the driver back
to the API used in the current firmware.
Signed-off-by: Alexander Bondar <alexander.bondar@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
When we roam to A band, we don't need to constraint WiFi
any more since it is operating on a different band.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This allows to have better wifi TPT when BT is active under
good RSSI conditions.
Wifi will have better chance to send Acks and Cts even if BT
is active.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Use the per-interface debugfs infrastructure to create a
directory and symlink, and add a file containing debug
data related to each virtual interface.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Partially reverts 1776fd059c
that introduced regression reported by Paul Walmsley.
This commit restores setting granularity in SCR register
and adds note about comments below being inconsistent with
actual code.
Signed-off-by: Alexey Pelykh <alexey.pelykh@gmail.com>
Tested-by: Paul Walmsley <paul@pwsan.com>
Cc: Kevin Hilman <khilman@linaro.org>
Cc: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch adds a new debugfs entry 'device_status' in
/sys/kernel/debug/rssd. The value of this entry shows
devices online and those in the process of removing.
Signed-off-by: Sam Bradshaw <sbradshaw@micron.com>
Signed-off-by: Asai Thambi S P <asamymuthupa@micron.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Fix to return 0 from pci probe in case of rebuild. If not, pci consider
probe has failed, and crash during rmmod.
Signed-off-by: Asai Thambi S P <asamymuthupa@micron.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
