| Commit message (Collapse) | Author | Age | Files | Lines |
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commit bc88d2eba5e19d10dd546e428314909d889b3b6a upstream.
When a scatter-gather list is enqueued to the xHCI driver, it translates
each entry into a transfer request block (TRB). Only 63 TRBs can be
used per ring segment, and there must be one additional TRB reserved to
make sure the hardware does not think the ring is empty (so the enqueue
pointer doesn't equal the dequeue pointer). Limit the bus sg_tablesize
to 62 TRBs.
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit 1624ae1c19e227096ba85bfc389d9b99cb6f7dde upstream.
When the USB core installs a new interface, it unconditionally clears the
halts on all the endpoints on the new interface. Usually the xHCI host
needs to know when an endpoint is reset, so it can change its internal
endpoint state. In this case, it doesn't care, because the endpoints were
never halted in the first place.
To avoid issuing a redundant Reset Endpoint command, the xHCI driver looks
at xhci_virt_ep->stopped_td to determine if the endpoint was actually
halted. However, the functions that handle the stall never set that
variable to NULL after it dealt with the stall. So if an endpoint stalled
and a Reset Endpoint command completed, and then the class driver tried to
install a new alternate setting, the xHCI driver would access the old
xhci_virt_ep->stopped_td pointer. A similar problem occurs if the
endpoint has been stopped to cancel a transfer.
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit eab80de01cb398419ef3305f35abcb367c647c8b upstream.
This is a bug fix for PHCD (phy clock disable) low power feature:
After PHCD is set, any write to PORTSC register is illegal, so when
resume ports, clear PHCD bit first.
Signed-off-by: Alek Du <alek.du@intel.com>
Cc: David Brownell <dbrownell@users.sourceforge.net>
Cc: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit 7f1cccd3ec8789e52897bc34420ca81a5e2edeab upstream.
Since commit 7acd72eb85f1c7a15e8b5eb554994949241737f1 ("kfifo: rename
kfifo_put... into kfifo_in... and kfifo_get... into kfifo_out..."),
kfifo_out() is marked __must_check, and that causes gcc to produce
lots of warnings like this:
CC drivers/usb/host/fhci-mem.o
In file included from drivers/usb/host/fhci-hcd.c:34:
drivers/usb/host/fhci.h: In function 'cq_get':
drivers/usb/host/fhci.h:520: warning: ignoring return value of 'kfifo_out', declared with attribute warn_unused_result
...
This patch fixes the issue by properly checking the return value.
Signed-off-by: Anton Vorontsov <avorontsov@mvista.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit a78f4f1a16d87f3d33158d036af94e48e32f8aad upstream.
These Appotech controllers are found in Picture Frames, they provide a
(buggy) emulation of a cdrom drive which contains the windows software
Uploading of pictures happens over the corresponding /dev/sg device.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit 88e3b59b5adce5b12e205af0e34d518ba0dcdc0c upstream.
The max packet length bit mask used for isochronous endpoints
should be 0x7FF instead of 0x8FF. 0x8FF will actually clear
higher-order bits in the max packet length field.
This patch applies to 2.6.34-rc6.
Signed-off-by: Dinh Nguyen <Dinh.Nguyen@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit 313b0d80c1717ffe8f64b455a4d323996748b91a upstream.
Private data was not freed on error path in startup.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit 2ff78c0c2b67120c8e503268da3f177cae2228a2 upstream.
If the user specifies a custom bulk buffer size we get a double free at
port release.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit 86234d4975ce084d14711283a3bfc69305f97602 upstream.
This patch adds support for an olivetti olicard100 HЅDPA usb-stick.
This device is a zeroCD one with ID 0b3c:c700 that needs switching via
eject or usb-modeswitch with
MessageContent="5553424312345678000000000000061b000000030000000000000000000000".
After switching it has ID 0b3c:c000 and provides 5 serial ports ttyUSB[0-4].
Port 0 (modem) and 4 are interrupt ports.
Signed-off-by: Nils Radtke <lkml@Think-Future.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit 6f44bcb60bfa58590142545096b64f44144f0bc1 upstream.
This adds a device id for a Cinterion device.
Reported-by: John Race <John.Race@roscom.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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0xff
commit 33c387529b7931248c6637bf9720ac7504a0b28b upstream.
Signed-off-by: spark <spark@bandrich.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit a71ee85e1d74e862d68cc9b2f2ab6a806d2550c9 upstream.
this patch adds ZTE modem devices
Signed-off-by: Joey <zhao.ming9@zte.com.cn>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit c0f631d1948658b27349545b2cbcb4b32f010c7a upstream.
An urb transfer buffer is allocated at every open but was never freed.
This driver is a bit of a mess...
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit eefd9029fde4d90d59804eeb54880ab8db5c1866 upstream.
Signed-off-by: Craig Shelley <craig@microtron.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit 199b113978015309dd02c69844c19a1be3f4dbcf upstream.
Fix memory leak for some devices (Sony Clie 3.5) due to port private
data not being freed on release.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit 879999cec9489f8942ebce3ec1b5f23ef948dda7 upstream.
While ar9170's USB transport packet size is currently set to 8KiB,
the PHY is capable of receiving AMPDUs with up to 64KiB.
Such a large frame will be split over several rx URBs and
exceed the previously allocated space for rx stream reconstruction.
This patch increases the buffer size to 64KiB which is
in fact the phy & rx stream designed size limit.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=15591
Reported-by: Christian Mehlis <mehlis@inf.fu-berlin.de>
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit 94d0bbe849190255b93fede8eb46809a38f9b8bf upstream.
This patch adds the following 5 entries to the usbid device table:
* Netgear WNA1000
* Proxim ORiNOCO Dual Band 802.11n USB Adapter
* 3Com Dual Band 802.11n USB Adapter
* H3C Dual Band 802.11n USB Adapter
* WNC Generic 11n USB dongle
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit c2fd1a4ebf9127c280d227acb635eb1df213439c upstream.
This change adds in the USB product ID for the Gyration
GYR4101US USB media center remote control. This remote
is similar enough to the other two devices that this driver
can be used without any other changes to get full support
for the remote.
Signed-off-by: Cory Maccarrone <darkstar6262@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit 55e0b489a39bb635a44f769d620e44c70d9c065b upstream.
The 046d:08da usb id shouldn't be associated with the stv06xx driver as they're
not compatible with each other.
This fixes a bug where Quickcam Messenger cams fail to use its proper driver
(gspca-zc3xx), rendering the camera inoperable.
Signed-off-by: Erik Andrén <erik.andren@gmail.com>
Tested-by: Gabriel Craciunescu <nix.or.die@googlemail.com>
Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit eeb4bcb4771679d7b3446c0293334faee11b090a upstream.
Make "acpi_backlight=video" param enable ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO
as intended, instead of incorrectly enabling video output switching.
BugLink: http://bugs.launchpad.net/bugs/573120
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
Acked-by: Zhang Rui <rui.zhang@intel.com>
Cc: Bjorn Helgaas <bjorn.helgaas@hp.com>
Cc: Jiri Kosina <jkosina@suse.cz>
Acked-by: Thomas Renninger <trenn@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Len Brown <len.brown@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit de37cd49b5a54facef174cf34496919857436e8f upstream.
My wireless LAN module 'MelCo.,Inc. WLI-UC-G301N' works fine,
if the following line is added into 2870_main_dev.c.
Signed-off-by: Nobhiro KUSUNO <n-kusuno@fc4.so-net.ne.jp>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit f65515275ea3e45fdcd0fb78455f542d6fdca086 upstream.
In http://bugzilla.novell.com/show_bug.cgi?id=597299, the vt6655 driver
generates a kernel BUG on a NULL pointer dereference at NULL. This problem
has been traced to a failure in the wpa_set_wpadev() routine. As the vt6656
driver does not call this routine, the vt6655 code is similarly set to skip
the call.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Tested-by: Richard Meek <osl2008@googlemail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit 64a5a09218626464be35e0229d85b2ab0fcf03fd upstream.
Add usb id of Sitecom WL-349 to rtl8192su
Signed-off-by: Rodrigo Linfati <rodrigo@linfati.cl>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit d989ff7cf8d14f1b523f63ba0bf2ec1a9b7c25bc upstream.
When reporting Tx status, indicate that only one rate was used.
Otherwise, the rate is frozen at rate index 0 (i.e. 1Mb/s).
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit e7971c80a8e0299f91272ad8e8ac4167623e1862 upstream.
The SH SOHARD ARCNET cards are implemented using generic PLX Technology
PCI<->IOBus bridges. Subvendor and subdevice IDs were not specified,
causing the driver to attach to any such bridge and likely crash the
system by attempting to initialize an unrelated device.
Fix by specifying subvendor and subdevice according to the values found
in the PCI-ID Repository at http://pci-ids.ucw.cz/ .
Signed-off-by: Andreas Bombe <aeb@debian.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit 95cc2c70c139936a2142bcd583da8af6f9d88efb upstream.
sata_nv was incorrectly using ata_host_activate() instead of
ata_pci_sff_activate_host() leading to IRQ assignment failure in
legacy mode. Fix it.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Robert Hancock <hancockr@shaw.ca>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit cb6e943ccf19ab6d3189147e9d625a992e016084 upstream.
oprofile used a double buffer scheme for its cpu event buffer
to avoid races on reading with the old locked ring buffer.
But that is obsolete now with the new ring buffer, so simply
use a single buffer. This greatly simplifies the code and avoids
a lot of sample drops on large runs, especially with call graph.
Based on suggestions from Steven Rostedt
For stable kernels from v2.6.32, but not earlier.
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Robert Richter <robert.richter@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit 3842e835490cdf17013b30a788f6311bdcfd0571 upstream.
page_mapping() check this via VM_BUG_ON(PageSlab(page)) so we bug here
with the according debuging turned on.
Future TODO: replace this with a flush_dcache_page_for_pio() API
Signed-off-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit e7ecd435692ca9bde9d124be30b3a26e672ea6c2 upstream.
There are ATAPI devices which raise AN when hit by commands issued by
open(). This leads to infinite loop of AN -> MEDIA_CHANGE uevent ->
udev open() to check media -> AN.
Both ACS and SerialATA standards don't define in which case ATAPI
devices are supposed to raise or not raise AN. They both list media
insertion event as a possible use case for ATAPI ANs but there is no
clear description of what constitutes such events. As such, it seems
a bit too naive to export ANs directly to userland as MEDIA_CHANGE
events without further verification (which should behave similarly to
windows as it apparently is the only thing that some hardware vendors
are testing against).
This patch adds libata.atapi_an module parameter and disables ATAPI AN
by default for now.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Cc: Nick Bowler <nbowler@elliptictech.com>
Cc: David Zeuthen <david@fubar.dk>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Johannes' patch 34e8950 titled:
mac80211: allow station add/remove to sleep
changed the way mac80211 adds and removes peers. The new
sta_add() / sta_remove() callbacks allowed the driver callbacks
to sleep. Johannes also ported ath9k to use sta_add() / sta_remove()
via the patch 4ca7786 titled:
ath9k: convert to new station add/remove callbacks
but this patch forgot to address a change in locking issue which
Ming Lei eventually found on his 2.6.33-wl #12 build. The 2.6.33-wl
build includes code for the 802.11 subsystem for 2.6.34 though so did
already have the above two patches (ath9k_sta_remove() on his trace),
the 2.6.33 kernel did not however have these two patches. Ming eventually
cured his lockdep warnign via the patch a9f042c titled:
ath9k: fix lockdep warning when unloading module
This went in to 2.6.34 and although it was not marked as a stable
fix it did get trickled down and applied on both 2.6.33 and 2.6.32.
In review, the culprits:
mac80211: allow station add/remove to sleep
git describe --contains 34e895075e21be3e21e71d6317440d1ee7969ad0
v2.6.34-rc1~233^2~49^2~107
ath9k: convert to new station add/remove callbacks
git describe --contains 4ca778605cfec53d8a689f0b57babb93b030c784
v2.6.34-rc1~233^2~49^2~10
ath9k: fix lockdep warning when unloading module
This last one trickled down to 2.6.33 (OK), 2.6.33 (invalid) and 2.6.32 (invalid).
git describe --contains a9f042cbe5284f34ccff15f3084477e11b39b17b
v2.6.34-rc2~48^2~77^2~7
git describe --contains 0524bcfa80f1fffb4e1fe18a0a28900869a58a7c
v2.6.33.2~125
git describe --contains 0dcc9985f34aef3c60bffab3dfc7f7ba3748f35a
v2.6.32.11~79
The patch titled "ath9k: fix lockdep warning when unloading module"
should be reverted on both 2.6.33 and 2.6.32 as it is invalid and
actually ended up causing the following warning:
ADDRCONF(NETDEV_CHANGE): wlan31: link becomes ready
phy0: WMM queue=2 aci=0 acm=0 aifs=3 cWmin=15 cWmax=1023 txop=0
phy0: WMM queue=3 aci=1 acm=0 aifs=7 cWmin=15 cWmax=1023 txop=0
phy0: WMM queue=1 aci=2 acm=0 aifs=2 cWmin=7 cWmax=15 txop=94
phy0: WMM queue=0 aci=3 acm=0 aifs=2 cWmin=3 cWmax=7 txop=47
phy0: device now idle
------------[ cut here ]------------
WARNING: at kernel/softirq.c:143 local_bh_enable_ip+0x7b/0xa0()
Hardware name: 7660A14
Modules linked in: ath9k(-) mac80211 ath cfg80211 <whatever-bleh-etc>
Pid: 2003, comm: rmmod Not tainted 2.6.32.11 #6
Call Trace:
[<ffffffff8105d178>] warn_slowpath_common+0x78/0xb0
[<ffffffff8105d1bf>] warn_slowpath_null+0xf/0x20
[<ffffffff81063f8b>] local_bh_enable_ip+0x7b/0xa0
[<ffffffff815121e4>] _spin_unlock_bh+0x14/0x20
[<ffffffffa034aea5>] ath_tx_node_cleanup+0x185/0x1b0 [ath9k]
[<ffffffffa0345597>] ath9k_sta_notify+0x57/0xb0 [ath9k]
[<ffffffffa02ac51a>] __sta_info_unlink+0x15a/0x260 [mac80211]
[<ffffffffa02ac658>] sta_info_unlink+0x38/0x60 [mac80211]
[<ffffffffa02b3fbe>] ieee80211_set_disassoc+0x1ae/0x210 [mac80211]
[<ffffffffa02b42d9>] ieee80211_mgd_deauth+0x109/0x110 [mac80211]
[<ffffffffa02ba409>] ieee80211_deauth+0x19/0x20 [mac80211]
[<ffffffffa028160e>] __cfg80211_mlme_deauth+0xee/0x130 [cfg80211]
[<ffffffff81118540>] ? init_object+0x50/0x90
[<ffffffffa0285429>] __cfg80211_disconnect+0x159/0x1d0 [cfg80211]
[<ffffffffa027125f>] cfg80211_netdev_notifier_call+0x10f/0x450 [cfg80211]
[<ffffffff81514ca7>] notifier_call_chain+0x47/0x90
[<ffffffff8107f501>] raw_notifier_call_chain+0x11/0x20
[<ffffffff81442d66>] call_netdevice_notifiers+0x16/0x20
[<ffffffff8144352d>] dev_close+0x4d/0xa0
[<ffffffff814439a8>] rollback_registered+0x48/0x120
[<ffffffff81443a9d>] unregister_netdevice+0x1d/0x70
[<ffffffffa02b6cc4>] ieee80211_remove_interfaces+0x84/0xc0 [mac80211]
[<ffffffffa02aa072>] ieee80211_unregister_hw+0x42/0xf0 [mac80211]
[<ffffffffa0347bde>] ath_detach+0x8e/0x180 [ath9k]
[<ffffffffa0347ce1>] ath_cleanup+0x11/0x50 [ath9k]
[<ffffffffa0351a2c>] ath_pci_remove+0x1c/0x20 [ath9k]
[<ffffffff8129d712>] pci_device_remove+0x32/0x60
[<ffffffff81332373>] __device_release_driver+0x53/0xb0
[<ffffffff81332498>] driver_detach+0xc8/0xd0
[<ffffffff81331405>] bus_remove_driver+0x85/0xe0
[<ffffffff81332a5a>] driver_unregister+0x5a/0x90
[<ffffffff8129da00>] pci_unregister_driver+0x40/0xb0
[<ffffffffa03518d0>] ath_pci_exit+0x10/0x20 [ath9k]
[<ffffffffa0353cd5>] ath9k_exit+0x9/0x2a [ath9k]
[<ffffffff81092838>] sys_delete_module+0x1a8/0x270
[<ffffffff8107ebe9>] ? up_read+0x9/0x10
[<ffffffff81011f82>] system_call_fastpath+0x16/0x1b
---[ end trace fad957019ffdd40b ]---
phy0: Removed STA 00:22:6b:56:fd:e8
phy0: Destroyed STA 00:22:6b:56:fd:e8
wlan31: deauthenticating from 00:22:6b:56:fd:e8 by local choice (reason=3)
ath9k 0000:16:00.0: PCI INT A disabled
The original lockdep fixed an issue where due to the new changes
the driver was not disabling the bottom halves but it is incorrect
to do this on the older kernels since IRQs are already disabled.
Cc: Ming Lei <tom.leiming@gmail.com>
Cc: Johannes Berg <johannes@sipsolutions.net>
Cc: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit a9e10fb9b1c6ad16e73cf2656951fce3a817611e upstream.
All the queues are awake and ready to use after loading firmware,
for firmware reload case, if any queues was stopped before
reload, mac80211 will wake those queues after restart hardware, so make
sure all the flag used to keep track of the queue status are
reset correctly.
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit 45d427001b5eec03cecaacddb53c73af46bb263e upstream.
Error checking for aggregation frames should go into aggregation queue,
if aggregation queue not available, use legacy queue instead.
Also make sure the aggregation queue is available to activate,
if driver and mac80211 is out-of-sync, try to disable the queue and
sync-up with mac80211.
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit 8d06a1e1e9c69244f08beb7d17146483f9dcd120 upstream.
It is causing hangs after a suspend/resume cycle with the default
powersave=1 module option on these chipsets since 2.6.32-rc.
BugLink: http://bugs.launchpad.net/bugs/492392
Signed-off-by: Robert Hooker <sarvatt@ubuntu.com>
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit 77945febbe60a69e9dcab7f49d33a1aa1e436973 upstream.
Arnd noted:
After the "retry_open:" label, we first get the tty_mutex
and then the BKL. However a the end of tty_open, we jump
back to retry_open with the BKL still held. If we run into
this case, the tty_open function will be left with the BKL
still held.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit 1c5250d6163dac28be3afabdfb6c723f107051b7 upstream.
The imx CTS trigger level is left at its reset value that is 32
chars. Since the RX FIFO has 32 entries, when CTS is raised, the
FIFO already is full. However, some serial port devices first empty
their TX FIFO before stopping when CTS is raised, resulting in lost
chars.
This patch sets the trigger level lower so that other chars arrive
after CTS is raised, there is still room for 16 of them.
Signed-off-by: Valentin Longchamp<valentin.longchamp@epfl.ch>
Tested-by: Philippe Rétornaz<philippe.retornaz@epfl.ch>
Acked-by: Wolfram Sang<w.sang@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit 1c1e093cbf6d3a7576ba0bd10363362a1c5c74ee upstream.
The various dasd_sleep_on functions use a global wait queue when
waiting for a cqr. The wait condition checks the status and devlist
fields of the cqr to determine if it is safe to continue. This
evaluation may return true, although the tasklet has not finished
processing of the cqr and the callback function has not been called
yet. When the callback is finally called, the data in the cqr may
already be invalid. The sleep_on wait condition needs a safe way to
determine if the tasklet has finished processing. Use the
callback_data field of the cqr to store a token, which is set by
the callback function itself.
Signed-off-by: Stefan Weinhuber <wein@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit 1918ad77f7f908ed67cf37c505c6ad4ac52f1ecf upstream.
My PIPE_CONTROL fix (just sent via Eric's tree) was buggy; I was
testing a whole set of patches together and missed a conversion to the
new HAS_PIPE_CONTROL macro, which will cause breakage on non-Ironlake
965 class chips. Fortunately, the fix is trivial and has been tested.
Be sure to use the HAS_PIPE_CONTROL macro in i915_get_gem_seqno, or
we'll end up reading the wrong graphics memory, likely causing hangs,
crashes, or worse.
Reported-by: Zdenek Kabelac <zdenek.kabelac@gmail.com>
Reported-by: Toralf Förster <toralf.foerster@gmx.de>
Tested-by: Toralf Förster <toralf.foerster@gmx.de>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit e552eb7038a36d9b18860f525aa02875e313fe16 upstream.
Since 965, the hardware has supported the PIPE_CONTROL command, which
provides fine grained GPU cache flushing control. On recent chipsets,
this instruction is required for reliable interrupt and sequence number
reporting in the driver.
So add support for this instruction, including workarounds, on Ironlake
and Sandy Bridge hardware.
https://bugs.freedesktop.org/show_bug.cgi?id=27108
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Tested-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit abc2c9fdf636c4335a8d72ac3c5ae152bca44b68 upstream.
Disable data error interrupts while we are actually recording that there
is not such errors. This will prevent, in some cases, the warning message
printed at new request queuing (in atmci_start_request()).
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: Haavard Skinnemoen <hskinnemoen@atmel.com>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit 009a891b22395fc86e5f34057d79fffee4509ab5 upstream.
The removing of an SD card in certain circumstances can lead to a kernel
oops if we do not make sure that the "data" field of the host structure is
valid. This patch adds a test in atmci_dma_cleanup() function and also
calls atmci_stop_dma() before throwing away the reference to data.
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: Haavard Skinnemoen <hskinnemoen@atmel.com>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit ebb1fea9b3adf25d7e2f643c614163af4f93a17f upstream.
Two parameters were swapped in the calls to atmci_init_slot().
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Reported-by: Anders Grahn <anders.grahn@hd-wireless.se>
Cc: Haavard Skinnemoen <hskinnemoen@atmel.com>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit 7d6fb7bd1919517937ec390f6ca2d7bcf4f89fb6 upstream.
Duplicate entries ended up acpisleep_dmi_table[] by accident.
They don't hurt functionality, but they are ugly, so let's get
rid of them.
Signed-off-by: Alex Chiang <achiang@canonical.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit de145b44b95b9d3212a82d1c0f29b09778ef33c5 upstream.
The current allocation does not include the memory required for blanking
lines. So avoid memory corruption when multiple devices are using the DMA
memory near each other.
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit 06efbeb4a47b6f865e1c9d175ab9d6e90b69ae9e upstream.
The work queue has to be flushed after the device has been made
inaccessible. The patch closes a window during which a work queue might
remain active after the device is removed and would then lead to ACPI
calls with undefined behavior.
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Acked-by: Eric Piel <eric.piel@tremplin-utc.net>
Acked-by: Pavel Machek <pavel@ucw.cz>
Cc: Pavel Herrmann <morpheus.ibis@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit 77a4229719e511a0d38d9c355317ae1469adeb54 upstream.
There's nastyness in the way we currently handle barriers (and
discards): They're effectively filesystem commands, but they get
processed as BLOCK_PC commands. Unfortunately BLOCK_PC commands are
taken by SCSI to be SG_IO commands and the issuer expects to see and
handle any returned errors, however trivial. This leads to a huge
problem, because the block layer doesn't expect this to happen and any
trivially retryable error on a barrier causes an immediate I/O error
to the filesystem.
The only real way to hack around this is to take the usual class of
offending errors (unit attentions) and make them all retryable in the
case of a REQ_HARDBARRIER. A correct fix would involve a rework of
the entire block and SCSI submit system, and so is out of scope for a
quick fix.
Cc: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit c213e1407be6b04b144794399a91472e0ef92aec upstream.
Some arrays are giving I/O errors with ext3 filesystems when
SYNCHRONIZE_CACHE gets a UNIT_ATTENTION. What is happening is that
these commands have no retries, so the UNIT_ATTENTION causes the
barrier to fail. We should be enable retries here to clear any
transient error and allow the barrier to succeed.
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit 5447ed6c968e7270b656afa273c2b79d15d82edd upstream.
In the scsi_debug driver, the virtual_gb option ignores the
sector_size, implicitly assuming that is 512 bytes. So if
'virtual_gb=1 sector_size=4096' the result is an 8 GB (virtual) disk.
Signed-off-by: Douglas Gilbert <dgilbert@interlog.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit 96b1f96dcab87756c0a1e7ba76bc5dc2add82b88 upstream.
This fixes a regression introduced with this commit:
commit d3305f3407fa3e9452079ec6cc8379067456e4aa
Author: Mike Christie <michaelc@cs.wisc.edu>
Date: Thu Aug 20 15:10:58 2009 -0500
[SCSI] libiscsi: don't increment cmdsn if cmd is not sent
in 2.6.32.
When I moved the hdr->cmdsn after init_task, I added
a bug when header digests are used. The problem is
that the LLD may calculate the header digest in init_task,
so if we then set the cmdsn after the init_task call we
change what the digest will be calculated by the target.
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit 70b25f890ce9f0520c64075ce9225a5b020a513e upstream.
blk_abort_request() expects queue lock to be held by the caller.
Grab it before calling the function.
Lack of this synchronization led to infinite loop on corrupt
q->timeout_list.
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit 1c6fe0364fa7bf28248488753ee0afb6b759cd04 upstream.
commit 672917dcc78 ("cpuidle: menu governor: reduce latency on exit")
added an optimization, where the analysis on the past idle period moved
from the end of idle, to the beginning of the new idle.
Unfortunately, this optimization had a bug where it zeroed one key
variable for new use, that is needed for the analysis. The fix is
simple, zero the variable after doing the work from the previous idle.
During the audit of the code that found this issue, another issue was
also found; the ->measured_us data structure member is never set, a
local variable is always used instead.
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Cc: Corrado Zoccolo <czoccolo@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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