| Commit message (Collapse) | Author | Age | Files | Lines |
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These controllers say "unknown" for their speed in sysfs, which
obviously isn't correct.
Reported-by: Kurt Garloff <garloff@novell.com>
Cc: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: David Vrabel <david.vrabel@csr.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch (as1330) fixes a bug in khbud's handling of remote
wakeups. When a device sends a remote-wakeup request, the parent hub
(or the host controller driver, for directly attached devices) begins
the resume sequence and notifies khubd when the sequence finishes. At
this point the port's SUSPEND feature is automatically turned off.
However the device needs an additional 10-ms resume-recovery time
(TRSMRCY in the USB spec). Khubd does not wait for this delay if the
SUSPEND feature is off, and as a result some devices fail to behave
properly following a remote wakeup. This patch adds the missing
delay to the remote-wakeup path.
It also extends the resume-signalling delay used by ehci-hcd and
uhci-hcd from 20 ms (the value in the spec) to 25 ms (the value we use
for non-remote-wakeup resumes). The extra time appears to help some
devices.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Cc: stable <stable@kernel.org>
Cc: Rickard Bellini <rickard.bellini@ericsson.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch (as1321) fixes a problem with EHCI and UHCI root-hub
suspends: If the suspend occurs while a port is trying to resume, the
resume doesn't finish and simply gets lost. When remote wakeup is
enabled, this is undesirable behavior.
The patch checks first to see if any port resumes are in progress, and
if they are then it fails the root-hub suspend with -EBUSY.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch (as1320) fixes two problems related to interrupt-URB
scheduling in ehci-hcd.
URBs with an interval of 2 or 4 microframes aren't handled.
For the time being, the patch reduces to interval to 1 uframe.
URBs are constrained to have an interval no larger than 1024
frames by usb_submit_urb(). But some EHCI controllers allow
use of a schedule as short as 256 frames; for these
controllers we may have to decrease the interval to the
actual schedule length.
The second problem isn't very significant since few devices expose
interrupt endpoints with an interval larger than 256 frames. But the
first problem is critical; it will prevent the kernel from working
with devices having interrupt intervals of 2 or 4 uframes.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Cc: stable <stable@kernel.org>
Tested-by: Glynn Farrow <farrowg@sg.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Memory allocations with GFP_KERNEL can cause IO to a storage
device which can fail resulting in a need to reset the device.
Therefore GFP_KERNEL cannot be safely used between usb_lock_device()
and usb_unlock_device(). Replace by GFP_NOIO.
Signed-off-by: Oliver Neukum <oliver@neukum.org>
Cc: stable <stable@kernel.org>
Cc: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch adds a mask bit which was mistakenly omitted from the
as1311 patch (usb-storage: add BAD_SENSE flag).
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Fix a regression introduced by commit
715b1dc01fe44537e8fce9566e4bb48d6821d84b ("USB: usb_debug,
usb_generic_serial: implement multi urb write").
URB transfer buffer was never freed when using multi-urb writes.
Currently the only driver enabling multi-urb writes is usb_debug.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Cc: Greg KH <greg@kroah.com>
Acked-by: Jason Wessel <jason.wessel@windriver.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch fix a possible race bug in drivers/usb/serial/generic with
the new kfifo API.
Please apply it to the 2.6.33-rc* tree.
Signed-off-by: Stefani Seibold <stefani@seibold.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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* 'for-linus' of git://git.kernel.dk/linux-2.6-block:
fs/bio.c: fix shadows sparse warning
drbd: The kernel code is now equivalent to out of tree release 8.3.7
drbd: Allow online resizing of DRBD devices while peer not reachable (needs to be explicitly forced)
drbd: Don't go into StandAlone mode when authentification failes because of network error
drivers/block/drbd/drbd_receiver.c: correct NULL test
cfq-iosched: Respect ioprio_class when preempting
genhd: overlapping variable definition
block: removed unused as_io_context
DM: Fix device mapper topology stacking
block: bdev_stack_limits wrapper
block: Fix discard alignment calculation and printing
block: Correct handling of bottom device misaligment
drbd: check on CONFIG_LBDAF, not LBD
drivers/block/drbd: Correct NULL test
drbd: Silenced an assert that could triggered after changing write ordering method
drbd: Kconfig fix
drbd: Fix for a race between IO and a detach operation [Bugz 262]
drbd: Use drbd_crypto_is_hash() instead of an open coded check
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fs/bio.c:81:33: warning: symbol 'bslab' shadows an earlier one
fs/bio.c:74:25: originally declared here
Signed-off-by: Thiago Farina <tfransosi@gmail.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
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to be explicitly forced)
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
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network error
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
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It is called LBDAF since 2.6.31.
impact:
without this change, on 32bit,
DRBD would wrongly claim to only support 2TiB devices.
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
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Test the just-allocated value for NULL rather than some other value.
The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)
// <smpl>
@@
expression x,y;
statement S;
@@
x = \(kmalloc\|kcalloc\|kzalloc\)(...);
(
if ((x) == NULL) S
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if (
- y
+ x
== NULL)
S
)
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
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Test the just-allocated value for NULL rather than some other value.
The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)
// <smpl>
@@
expression x,y;
statement S;
@@
x = \(kmalloc\|kcalloc\|kzalloc\)(...);
(
if ((x) == NULL) S
|
if (
- y
+ x
== NULL)
S
)
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Cc: Lars Ellenberg <drbd-dev@lists.linbit.com>
Cc: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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In cfq_should_preempt(), we currently allow some cases where a non-RT request
can preempt an ongoing RT cfqq timeslice. This should not happen.
Examples include:
o A sync_noidle wl type non-RT request pre-empting a sync_noidle wl type cfqq
on which we are idling.
o Once we have per-cgroup async queues, a non-RT sync request pre-empting a RT
async cfqq.
Signed-off-by: Divyesh Shah<dpshah@google.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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This fixes the sparse warning:
fs/ext4/super.c:2390:40: warning: symbol 'i' shadows an earlier one
fs/ext4/super.c:2368:22: originally declared here
Using 'i' in a macro is dubious practice.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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It isn't used anymore, since AS was deleted.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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Make DM use bdev_stack_limits() function so that partition offsets get
taken into account when calculating alignment. Clarify stacking
warnings.
Also remove obsolete clearing of final alignment_offset and misalignment
flag.
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Cc: Alasdair G. Kergon <agk@redhat.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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DM does not want to know about partition offsets. Add a partition-aware
wrapper that DM can use when stacking block devices.
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Acked-by: Mike Snitzer <snitzer@redhat.com>
Reviewed-by: Alasdair G Kergon <agk@redhat.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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Discard alignment reporting for partitions was incorrect. Update to
match the algorithm used elsewhere.
The alignment can be negative (misaligned). Fix format string
accordingly.
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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The top device misalignment flag would not be set if the added bottom
device was already misaligned as opposed to causing a stacking failure.
Also massage the reporting so that an error is only returned if adding
the bottom device caused the misalignment. I.e. don't return an error
if the top is already flagged as misaligned.
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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method
Immediately after changing the write ordering method, the epoch can already
be finished at this point.
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
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!CONFIG_OPT evalues to FALSE if CONFIG_OPT='m'. Do not display the
"DRBD disabled..." message if the dependencies are compiled as module.
Signed-off-by: Johannes Thoma <johannes.thoma@linbit.com>
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
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In D_DISKLESS we do not hand out any new references to ldev (local_cnt)
therefore waiting until all previously handed out refereces got returned
is sufficient before actually freeing mdev->ldev.
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
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Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (23 commits)
ACPI: delete acpi_processor_power_verify_c2()
ACPI: allow C3 > 1000usec
ACPI: enable C2 and Turbo-mode on Nehalem notebooks on A/C
ACPI: power_meter: remove double kfree()
ACPI: processor: restrict early _PDC to opt-in platforms
ACPI: Fix unused variable warning in sbs.c
acpi: make ACPI device id constant
sony-laptop - fix using of uninitialized variable
ACPI: Fix section mismatch error for acpi_early_processor_set_pdc()
eeepc-laptop: disable wireless hotplug for 1201N
eeepc-laptop: add hotplug_disable parameter
eeepc-laptop: switch to using sparse keymap library
eeepc-laptop: dmi blacklist to disable pci hotplug code
eeepc-laptop: disable cpu speed control on EeePC 701
ACPI: don't cond_resched if irq is disabled
ACPI: Remove unnecessary cast.
ACPI: Advertise to BIOS in _OSC: _OST on _PPC changes
ACPI: EC: Add wait for irq storm
ACPI: SBS: Move SBS HC callback to faster Notify queue
x86, ACPI: delete acpi_boot_table_init() return value
...
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Commit 78f1699 (ACPI: processor: call _PDC early) blindly walks
the namespace and calls _PDC on every processor object it finds.
This change may cause issues on platforms that declare dummy
values for SSDTs on non-present processors (disabled in MADT).
When we call _PDC and dynamically attempt to execute the AML
Load() op on these dummy SSDTs, there's no telling what might
happen.
Rather than finding every platform that has bogus SSDTs, restrict
early _PDC calls to platforms that are known to need early
evaluation of _PDC.
This is a minimal, temporary fix (given the context of the
current release cycle). A real solution of checking the MADT for
non-present processors will be written for the next merge window.
References:
http://bugzilla.kernel.org/show_bug.cgi?id=14710
http://bugzilla.kernel.org/show_bug.cgi?id=14954
Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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resource->domain_devices can be double kfree()'d in a couple of places.
Fix this by setting num_domain_devices = 0 after the kfree().
Coverity CID: 13356, 13355, 13354
Signed-off-by: Darren Jenkins <darrenrjenkins@gmail.com>
Acked-by: Darrick J. Wong <djwong@us.ibm.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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When CONFIG_ACPI_SYSFS_POWER=n and CONFIG_ACPI_PROCFS_POWER=n, then
we're warned by the following warning:
drivers/acpi/sbs.c: In function `acpi_battery_remove':
drivers/acpi/sbs.c:825: warning: unused variable `battery'
Signed-off-by: Rakib Mullick <rakib.mullick@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Len Brown <len.brown@intel.com>
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The ids field of the struct acpi_driver is constant in <linux/acpi/acpi_bus.h>
so it is worth to make the initialization data also constant.
The semantic match that finds this kind of pattern is as follows:
(http://coccinelle.lip6.fr/)
// <smpl>
@r@
disable decl_init,const_decl_init;
identifier I1, I2, x;
@@
struct I1 {
...
const struct I2 *x;
...
};
@s@
identifier r.I1, y;
identifier r.x, E;
@@
struct I1 y = {
.x = E,
};
@c@
identifier r.I2;
identifier s.E;
@@
const struct I2 E[] = ... ;
@depends on !c@
identifier r.I2;
identifier s.E;
@@
+ const
struct I2 E[] = ...;
// </smpl>
Signed-off-by: Márton Németh <nm127@freemail.hu>
Cc: Julia Lawall <julia@diku.dk>
Cc: cocci@diku.dk
Signed-off-by: Len Brown <len.brown@intel.com>
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CC [M] drivers/platform/x86/sony-laptop.o
drivers/platform/x86/sony-laptop.c: In function 'sony_nc_rfkill_setup':
drivers/platform/x86/sony-laptop.c:1162: warning: 'i' may be used uninitialized in this function
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Acked-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Len Brown <len.brown@intel.com>
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Alex Chiang introduced acpi_early_processor_set_pdc() in commit:
ACPI: processor: call _PDC early
78f1699659963fff97975df44db6d5dbe7218e55
But this results in a section mismatch:
WARNING: drivers/acpi/acpi.o(.text+0xa9c1): Section mismatch in reference from the
function acpi_early_processor_set_pdc() to the variable .cpuinit.data:processor_idle_dmi_table
The function acpi_early_processor_set_pdc() references
the variable __cpuinitdata processor_idle_dmi_table.
This is often because acpi_early_processor_set_pdc lacks a __cpuinitdata
annotation or the annotation of processor_idle_dmi_table is wrong.
The only caller of acpi_early_processor_set_pdc() is acpi_bus_init() which
is an "__init" function. So the correct fix here is to mark
acpi_early_processor_set_pdc() "__init" too.
Signed-off-by: Tony Luck <tony.luck@intel.com>
Acked-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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The struct seq_file 'private' member is a void *, the cast is not needed.
Also, remove an extra whitespace line.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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cleanup only.
setup_arch(), doesn't care care if ACPI initialization succeeded
or failed, so delete acpi_boot_table_init()'s return value.
Signed-off-by: Len Brown <len.brown@intel.com>
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If the BIOS pokes the system-wide OSC bits to see if Linux
supports evaluating _OST after a _PPC change notification,
answer yes.
Also, fix an oversight where we neglected to set the OSC
bit advertising processor aggregator device support
when acpi-pad is compiled as a module.
Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Len Brown <len.brown@intel.com>
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Some new models need to disable wireless hotplug.
For the moment, we don't know excactly what models need that,
except 1005HA.
Users will be able to use that param as a workaround.
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Len Brown <len.brown@intel.com>
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Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Tested-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Acked-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Len Brown <len.brown@intel.com>
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This is a short term workaround for Eeepc 1005HA.
refs: <http://bugzilla.kernel.org/show_bug.cgi?id=14570>
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Len Brown <len.brown@intel.com>
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The EeePC 4G ("701") implements CFVS, but it is not supported by the
pre-installed OS, and the original option to change it in the BIOS
setup screen was removed in later versions. Judging by the lack of
"Super Hybrid Engine" on Asus product pages, this applies to all "701"
models (4G/4G Surf/2G Surf).
So Asus made a deliberate decision not to support it on this model.
We have several reports that using it can cause the system to hang [1].
That said, it does not happen all the time. Some users do not
experience it at all (and apparently wish to continue "right-clocking").
Check for the EeePC 701 using DMI. If met, then disable writes to the
"cpufv" sysfs attribute and log an explanatory message.
Add a "cpufv_disabled" attribute which allow users to override this
policy. Writing to this attribute will log a second message.
The sysfs attribute is more useful than a module option, because it
makes it easier for userspace scripts to provide consistent behaviour
(according to user configuration), regardless of whether the kernel
includes this change.
[1] <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=559578>
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Len Brown <len.brown@intel.com>
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Merge of poll and irq modes accelerated EC transaction, so
that keyboard starts to suffer again. Add msleep(1) into
transaction path for the storm to allow keyboard controller
to do its job.
Reference: http://bugzilla.kernel.org/show_bug.cgi?id=14747
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
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