| Commit message (Collapse) | Author | Age |
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ACPI_PROCFS"
This reverts commit 6e800af233e0bdf108efb7bd23c11ea6fa34cdeb.
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Introduce new ACPI_PROCFS_POWER (default Yes) config option and move
procfs code in battery, ac, and sbs drivers under it.
This is done to allow ACPI_PROCFS to be default No.
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
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Fix for http://bugzilla.kernel.org/show_bug.cgi?id=9355
cpuidle always used to fallback to C2 if there is some bm activity while
entering C3. But, presence of C2 is not always guaranteed. Change cpuidle
algorithm to detect a safe_state to fallback in case of bm_activity and
use that state instead of C2.
Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Port 2aa44d0567ed21b47b87d68819415d48194cb923
(sched: sched_clock_idle_[sleep|wakeup]_event()) to cpuidle.
Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Port 18eab8550397f1f3d4b8b2c5257c88dae25d58ed
(Enable C3 even when PM2_control is zero) to cpuidle.
Without this patch, some systems will notice a regression
when enabling CPU_IDLE -- C3 would no longer be available.
Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Some controllers fail to send confirmation GPE after address write.
Detect this and don't expect such confirmation in future.
This is a generalization of previous workaround
(66c5f4e7367b0085652931b2f3366de29e7ff5ec), which did only read address.
http://bugzilla.kernel.org/show_bug.cgi?id=9327
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Tested-by: Romano Giannetti <romano.giannetti@gmail.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Option to init EC early inserted to handle #8598 ASUS problem,
introduced several others.
EC driver in this particular case has fake _INI method, not present on
other machines, which don't need or break from this workaround, so lets use
its presence as a flag for early init.
http://bugzilla.kernel.org/show_bug.cgi?id=9262
http://bugzilla.kernel.org/show_bug.cgi?id=8598
https://bugzilla.novell.com/show_bug.cgi?id=334806
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
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Use mp_irqs[] to get PNP device's interrupt polarity and trigger.
There are two reasons to do this:
1. BIOS bug for PNP interrupt
2. BIOS explictly does override
mp_irqs[] should cover all the cases.
http://bugzilla.kernel.org/show_bug.cgi?id=5243
http://bugzilla.kernel.org/show_bug.cgi?id=7679
http://bugzilla.kernel.org/show_bug.cgi?id=9153
[lenb: fixed !IOAPIC and 64-bit !SMP builds]
Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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This reverts commit 9cd8047b463f213c294f756119ac353312e7a152.
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drivers/acpi/sbs.c: In function acpi_battery_add:
drivers/acpi/sbs.c:811: warning: ignoring return value of device_create_file,
declared with attribute warn_unused_result
Additional cleanups:
* use struct acpi_battery in acpi_battery_remove() to clean up function
calls, just like acpi_battery_add() already does.
* put braces around unregister call, as it depends on dev being not NULL.
* remove unneeded braces
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
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If a battery is at a critical charge level and not being charged or
discharged, then the ACPI _BST method will return a state of 4, and
the current acpi_battery_get_property() code will not set any property
value for POWER_SUPPLY_PROP_STATUS. This will cause an oops in
power_supply_show_property() when it reads off the end of the
status_text array. This actually was causing a 100% reproducible
crash on boot on my laptop with two batteries, when one battery was
completely drained and the laptop was not plugged in.
Fix this by making sure acpi_battery_get_property() returns
POWER_SUPPLY_STATUS_UNKNOWN for any battery state it doesn't already
handle explicitly. There doesn't seem to be any status enum value
defined that makes more sense than 'unknown' for a battery at a
critical charge level.
Signed-off-by: Roland Dreier <roland@digitalvampire.org>
Acked-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <lenb@t61.(none)>
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* 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6:
[S390] cio: Register/unregister subchannels only from kslowcrw.
[S390] Add missing die_notifier() call to die().
[S390] Fix memory detection.
[S390] Explicitly code allocpercpu calls in iucv
[S390] Dont overwrite lowcores on smp_send_stop().
[S390] Optimize storage key handling for anonymous pages
[S390] Fix kernel preemption.
[S390] appldata: remove unused binary sysctls.
[S390] cmm: remove unused binary sysctls.
[S390] Fix irq tracing and lockdep_sys_exit calls.
[S390] magic sysrq: check for in_atomic before doing an console_unblank
[S390] cio: change device sense procedure to work with pav aliases
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Make sure all subchannel handling is done on the slow path workqueue
so that we don't have races between an old subchannel unregistering
and a new subchannel with the same name registering.
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Modify the sense id channel program to allow device sensing of pav
alias devices which belong to a base device with ungrouped paths.
Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Addresses http://bugzilla.kernel.org/show_bug.cgi?id=9416
Signed-off-by: Karsten Keil <kkeil@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* master.kernel.org:/pub/scm/linux/kernel/git/davej/cpufreq:
[CPUFREQ] Fix up whitespace in conservative governor.
[CPUFREQ] Make cpufreq_conservative handle out-of-sync events properly
[CPUFREQ] architectural pstate driver for powernow-k8
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Signed-off-by: Dave Jones <davej@redhat.com>
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Make cpufreq_conservative handle out-of-sync events properly
Currently, the cpufreq_conservative governor doesn't get notified when the
actual frequency the cpu is running at differs from what cpufreq thought it
was. As a result the cpu may stay at the maximum frequency after a s2ram /
resume cycle even though the system is idle.
Signed-off-by: Elias Oltmanns <eo@nebensachen.de>
Signed-off-by: Dave Jones <davej@redhat.com>
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master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
* 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6:
[NETFILTER]: Fix NULL pointer dereference in nf_nat_move_storage()
[SUNHME]: VLAN support for sunhme
[CHELSIO]: Fix skb->dev setting.
[NETFILTER]: fix compat_nf_sockopt typo
[INET]: Fix potential kfree on vmalloc-ed area of request_sock_queue
[VIA_VELOCITY]: Don't oops on MTU change.
iwl4965: fix not correctly dealing with hotunplug
rt2x00: Fix chipset revision validation
iwl3945: place CCK rates in front of OFDM for supported rates
mac80211: Fix queuing of scan containing a SSID
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This patch enables VLAN support on sunhme by increasing BMAC_TXMAX/BMAC_RXMAX
and allocating extra space via skb_put for the VLAN header.
Signed-off-by: Chris Poon <dev-null@telus.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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eth_type_trans() now sets skb->dev. Access skb->def after it gets
set.
Signed-off-by: Divy Le Ray <divy@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Simple mtu change when device is down.
Fix http://bugzilla.kernel.org/show_bug.cgi?id=9382.
Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
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The interrupt handler returns IRQ_NONE if it detects that the device
is gone. That's incorrect because the device may have raised the interrupt.
Not acknowledging it may trigger the spurious interrupt detection and kill
drivers sharing the interrupt line.
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The validation of the chipset revision was broken
since for rt2500usb and rt73usb different registers
should be read. When rt2500usb was loaded for a rt73
device it would false think the chipset was correct
because the wrong register was read and validated.
This has been fixed by expanding the check to also
see if the first 4 bits of the revision is not-0
(When reading the wrong register offset the returned
value is usually 0 which can be interpreted as invalid)
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The patch fixes association failure (reason = 18) bug by arranging CCK
rates before OFDM rates. This patch will register with mac80211 the
modified rate arrangement with CCK rate first. Change rate scale algorithm
also to deal with rate change. Fix Txpower and rate Table commands to be
constructed correctly after rearrangement.
Signed-off-by: Mohamed Abbas <mabbas@linux.intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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* 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6:
i2c/eeprom: Recognize VGN as a valid Sony Vaio name prefix
i2c/eeprom: Hide Sony Vaio serial numbers
i2c-pasemi: Fix NACK detection
i2c-pasemi: Replace obsolete "driverfs" reference with "sysfs"
i2c: Make i2c_check_addr static
i2c-dev: Unbound new-style i2c clients aren't busy
i2c-dev: "how does it work" comments
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Recent (i.e. 2005 and later) Sony Vaio laptops have names beginning
with VGN rather than PCG. Update the eeprom driver so that it
recognizes these.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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The sysfs interface to DMI data takes care to not make the system
serial number and UUID world-readable, presumably due to privacy
concerns. For consistency, we should not let the eeprom driver
export these same strings to the world on Sony Vaio laptops.
Instead, only make them readable by root, as we already do for BIOS
passwords.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Turns out we don't actually check the status to see if there was a
device out there to talk to, just if we had a timeout when doing so.
Add the proper check, so we don't falsly think there are devices
on the bus that are not there, etc.
Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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i2c_check_addr is only used inside i2c-core now, so we can make it
static and stop exporting it. Thanks to David Brownell for noticing.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Let i2c-dev deal properly with new-style i2c clients. Instead of
considering them always busy, it needs to check wether a driver is
bound to them or not.
This is still not completely correct, as the client could become
busy later, but the same problem already existed before new-style
clients were introduced. We'll want to fix it someday.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
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This adds some "how does this work" comments to the i2c-dev driver,
plus separators between the three main components:
- The parallel list of i2c_adapters ("i2c_dev_list"), each of which
gets a "struct i2c_dev" and a /dev/i2c-X character special file.
- An i2cdev_driver gets adapter add/remove notifications, which are
used to maintain that list of adapters.
- Special file operations, which let userspace talk either directly to
the adapter (for i2c_msg operations) or through cached addressing info
using an anonymous i2c_client (never registered anywhere).
Plus there's the usual module load/unload record keeping.
After making sense of this code, I think that the anonymous i2c_client
is pretty shady. But since it's never registered, using this code with
a system set up for "new style" I2C drivers is no more complicated than
always using the I2C_SLAVE_FORCE ioctl (instead of I2C_SLAVE).
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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This reverts commit 7fb7ac241162dc51ec0f7644d4a97b2855213c32.
Heikki Orsila reports that it causes a regression:
"Doing
nc host port < /dev/zero
on a sending machine (not skge) to an skge machine that is receiving:
nc -l -p port >/dev/null
with ~60 MiB/s speed, causes the interface go malfunct. A slow
transfer doesn't cause a problem."
See
http://bugzilla.kernel.org/show_bug.cgi?id=9321
for some more information.
There is a workaround (also reported by Heikki):
"After some fiddling, I noticed that not changing the register write
order on patch:
+ skge_write32(hw, RB_ADDR(q, RB_END), end);
skge_write32(hw, RB_ADDR(q, RB_WP), start);
skge_write32(hw, RB_ADDR(q, RB_RP), start);
- skge_write32(hw, RB_ADDR(q, RB_END), end);
fixes the visible effect.. Possibly not the root cause of the
problem, but changing the order back fixes networking here."
but that has yet to be ack'ed or tested more widely, so the whole
problem-causing commit gets reverted until this is resolved properly.
Bisected-and-requested-by: Heikki Orsila <shdl@zakalwe.fi>
Cc: Stephen Hemminger <shemminger@linux-foundation.org>
Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
[CRYPTO] geode: Fix not inplace encryption
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Currently the Geode AES module fails to encrypt or decrypt if
the coherent bits are not set what is currently the case if the
encryption does not occur inplace. However, the encryption works
on my Geode machine _only_ if the coherent bits are always set.
Signed-off-by: Sebastian Siewior <sebastian@breakpoint.cc>
Acked-by: Jordan Crouse <jordan.crouse@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband:
mlx4_core: Fix thinko in QP destroy (incorrect bitmap_free)
RDMA/cxgb3: Set the max_qp_init_rd_atom attribute in query_device
IB/ehca: Fix static rate calculation
IB/ehca: Return physical link information in query_port()
IB/ipath: Fix race with ACK retry timeout list management
IB/ipath: Fix memory leak in ipath_resize_cq() if copy_to_user() fails
mlx4_core: Fix possible bad free in mlx4_buf_free()
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Fix thinko in commit eaf559bf ("mlx4_core: Don't free special QPs in
QP number bitmap"). The old commit had the logic exactly backwards
and ended up freeing *only* special QPs, which not only left the
original bug in place but also introduced the problem that the QP
number bitmap would get full after a while.
Found by Dotan Barak of Mellanox.
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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The device attribute max_qp_init_rd_atom is not getting set in cxgb3's
query_device method. Version 1.0.4 of librdmacm now validates the
user's requested initiator and responder resources against the max
supported by the device. Since iw_cxgb3 wasn't setting this attribute
(and it defaulted to 0), all rdma_connect()s fail if there are
initiator resources requested by the app. Fix this by setting the
correct value in iwch_query_device().
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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The IPD (inter-packet delay) formula was a little off and assumed a
fixed physical link rate; fix the formula and query the actual
physical link rate, now that we can get it. Also, refactor the
calculation into a common function ehca_calc_ipd() and use that
instead of duplicating code.
Signed-off-by: Joachim Fenkes <fenkes@de.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Newer firmware versions return physical port information to the
partition, so hand that information to the consumer if it's present.
Signed-off-by: Joachim Fenkes <fenkes@de.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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When an ACK is received, the QP is removed from the timeout list and
then if there are still pending send WQEs, the QP is put back on the
timeout list. It is possible that another post send has put the QP on
the timeout list thus, a check needs to be made before trying to do it
again or the list is corrupted.
Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Patrick Marchand Latifi <patrick.latifi@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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When mlx4_buf_free() is called from the error path of
mlx4_buf_alloc(), it may be passed a buffer structure that does not
have all pages filled in. Add a check for NULL to mlx4_buf_free() so
we avoid passing NULL to dma_free_coherent() (which will crash).
Signed-off-by: Ali Ayoub <ali@mellanox.co.il>
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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