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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull oprofile fixlet from Ingo Molnar.
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
oprofile: perf: use NR_CPUS instead or nr_cpumask_bits for static array
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Cayman and trinity allow for variable sized VM page
tables, but SI requires that all page tables be the
same size. The current code assumes variablely sized
VM page tables so SI may end up with part of each page
table overlapping with other memory which could end
up being interpreted by the VM hw as garbage.
Change the code to better accomodate SI. Allocate enough
space for at least 2 full page tables and always set
last_pfn to max_pfn on SI so each VM is backed by a full
page table. This limits us to only 2 VMs active at any
given time on SI. This will be rectified and the code can
be reunified once we move to two level page tables.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This fixes a number of warnings such as:
CC drivers/net/ethernet/ti/davinci_cpdma.o
drivers/net/ethernet/ti/davinci_cpdma.c:279:1: warning: data definition
has no type or storage class
drivers/net/ethernet/ti/davinci_cpdma.c:279:1: warning: type defaults to
‘int’ in declaration of ‘EXPORT_SYMBOL_GPL’
drivers/net/ethernet/ti/davinci_cpdma.c:279:1: warning: parameter names
(without types) in function declaration
Signed-off-by: Daniel Mack <zonque@gmail.com>
Cc: Vaibhav Hiremath <hvaibhav@ti.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Christian Riesch <christian.riesch@omicron.at>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Some models, such as 0xE6, report more fingers than we process.
Reported-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Ping Cheng <pingc@wacom.com>
Tested-by: Nils Kanning <nils@kanning.de>
Tested-by: Rafi Rubin <rafi@seas.upenn.edu>
Reviewed-by: Jason Gerecke <killertofu@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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rep_data is not an array anymore, so taking it's address when passing to
wacom_get_report() is wrong.
Signed-off-by: Ping Cheng <pingc@wacom.com>
Tested-by: Rafi Rubin <rafi@seas.upenn.edu>
Reviewed-by: Jason Gerecke <killertofu@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
John Linville says:
====================
Amitkumar Karwar gives us two mwifiex fixes: one fixes some skb
manipulations when handling some event messages; and another that
does some similar fixing on an error path.
Avinash Patil gives us a fix for for a memory leak in mwifiex.
Dan Rosenberg offers an NFC NCI fix to enforce some message length
limits to prevent buffer overflows.
Eliad Peller provides a mac80211 fix to prevent some frames from
being built with an invalid BSSID.
Eric Dumazet sends an NFC fix to prevent a BUG caused by a NULL
pointer dereference.
Felix Fietkau has an ath9k fix for a regression causing
LEAP-authenticated connection failures.
Johannes Berg provides an iwlwifi fix that eliminates some log SPAM
after an authentication/association timeout. He also provides a
mac80211 fix to prevent incorrectly addressing certain action frames
(and in so doing, to comply with the 802.11 specs).
Larry Finger provides a few USB IDs for the rtl8192cu driver --
should be harmless.
Panayiotis Karabassis provices a one-liner to fix kernel bug 42903
(a system freeze).
Randy Dunlap provides a one-line Kconfig change to prevent build
failures with some configurations.
Stone Piao provides an mwifiex sequence numbering fix and a fix
to prevent mwifiex from attempting to include eapol frames in an
aggregation frame.
Finally, Tom Hughes provides an ath9k fix for a NULL pointer
dereference.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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The correct behavior is to program the interrupt coalescing regs
(RXICr/TXICr) in accordance with the Rx/Tx Q's "rx/txcoalescing"
flag. That is, if the coalescing flag is 0 for a given Rx/Tx queue
then the corresponding coalescing register should be cleared.
This behavior is correctly implemented for the single-queue mode
(SQ_SG_MODE), but not for the multi-queue mode (MQ_MG_MODE).
This fixes the later case.
Signed-off-by: Claudiu Manoil <claudiu.manoil@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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usbnet_disconnect() will set intfdata to NULL before calling
the minidriver unbind function. The cdc_wdm subdriver cannot
know that it is disconnecting until the qmi_wwan unbind
function has called its disconnect function. This means that
we must be able to support the cdc_wdm subdriver operating
normally while usbnet_disconnect() is running, and in
particular that intfdata may be NULL.
The only place this matters is in qmi_wwan_cdc_wdm_manage_power
which is called from cdc_wdm. Simply testing for NULL
intfdata there is sufficient to allow it to continue working
at all times.
Fixes this Oops where a cdc-wdm device was closed while the
USB device was disconnecting, causing wdm_release to call
qmi_wwan_cdc_wdm_manage_power after intfdata was set to
NULL by usbnet_disconnect:
[41819.087460] BUG: unable to handle kernel NULL pointer dereference at 00000080
[41819.087815] IP: [<f8640458>] qmi_wwan_manage_power+0x68/0x90 [qmi_wwan]
[41819.088028] *pdpt = 000000000314f001 *pde = 0000000000000000
[41819.088028] Oops: 0002 [#1] SMP
[41819.088028] Modules linked in: qmi_wwan option usb_wwan usbserial usbnet
cdc_wdm nls_iso8859_1 nls_cp437 vfat fat usb_storage bnep rfcomm bluetooth
parport_pc ppdev binfmt_misc iptable_nat nf_nat nf_conntrack_ipv4
nf_conntrack nf_defrag_ipv4 iptable_mangle iptable_filter ip_tables
x_tables dm_crypt uvcvideo snd_hda_codec_realtek snd_hda_intel
videobuf2_core snd_hda_codec joydev videodev videobuf2_vmalloc
hid_multitouch snd_hwdep arc4 videobuf2_memops snd_pcm snd_seq_midi
snd_rawmidi snd_seq_midi_event ath9k mac80211 snd_seq ath9k_common ath9k_hw
ath snd_timer snd_seq_device sparse_keymap dm_multipath scsi_dh coretemp
mac_hid snd soundcore cfg80211 snd_page_alloc psmouse serio_raw microcode
lp parport dm_mirror dm_region_hash dm_log usbhid hid i915 drm_kms_helper
drm r8169 i2c_algo_bit wmi video [last unloaded: qmi_wwan]
[41819.088028]
[41819.088028] Pid: 23292, comm: qmicli Not tainted 3.4.0-5-generic #11-Ubuntu GIGABYTE T1005/T1005
[41819.088028] EIP: 0060:[<f8640458>] EFLAGS: 00010246 CPU: 1
[41819.088028] EIP is at qmi_wwan_manage_power+0x68/0x90 [qmi_wwan]
[41819.088028] EAX: 00000000 EBX: 00000000 ECX: 000000c3 EDX: 00000000
[41819.088028] ESI: c3b27658 EDI: 00000000 EBP: c298bea4 ESP: c298be98
[41819.088028] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
[41819.088028] CR0: 8005003b CR2: 00000080 CR3: 3605e000 CR4: 000007f0
[41819.088028] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[41819.088028] DR6: ffff0ff0 DR7: 00000400
[41819.088028] Process qmicli (pid: 23292, ti=c298a000 task=f343b280 task.ti=c298a000)
[41819.088028] Stack:
[41819.088028] 00000000 c3b27658 e2a80d00 c298beb0 f864051a c3b27600 c298bec0 f9027099
[41819.088028] c2fd6000 00000008 c298bef0 c1147f96 00000001 00000000 00000000 f4e54790
[41819.088028] ecf43a00 ecf43a00 c2fd6008 c2fd6000 ebbd7600 ffffffb9 c298bf08 c1144474
[41819.088028] Call Trace:
[41819.088028] [<f864051a>] qmi_wwan_cdc_wdm_manage_power+0x1a/0x20 [qmi_wwan]
[41819.088028] [<f9027099>] wdm_release+0x69/0x70 [cdc_wdm]
[41819.088028] [<c1147f96>] fput+0xe6/0x210
[41819.088028] [<c1144474>] filp_close+0x54/0x80
[41819.088028] [<c1046a65>] put_files_struct+0x75/0xc0
[41819.088028] [<c1046b56>] exit_files+0x46/0x60
[41819.088028] [<c1046f81>] do_exit+0x141/0x780
[41819.088028] [<c107248f>] ? wake_up_state+0xf/0x20
[41819.088028] [<c1053f48>] ? signal_wake_up+0x28/0x40
[41819.088028] [<c1054f3b>] ? zap_other_threads+0x6b/0x80
[41819.088028] [<c1047864>] do_group_exit+0x34/0xa0
[41819.088028] [<c10478e8>] sys_exit_group+0x18/0x20
[41819.088028] [<c15bb7df>] sysenter_do_call+0x12/0x28
[41819.088028] Code: 04 83 e7 01 c1 e7 03 0f b6 42 18 83 e0 f7 09 f8 88 42
18 8b 43 04 e8 48 9a dd c8 89 f0 8b 5d f4 8b 75 f8 8b 7d fc 89 ec 5d c3 90
<f0> ff 88 80 00 00 00 0f 94 c0 84 c0 75 b7 31 f6 8b 5d f4 89 f0
[41819.088028] EIP: [<f8640458>] qmi_wwan_manage_power+0x68/0x90 [qmi_wwan] SS:ESP 0068:c298be98
[41819.088028] CR2: 0000000000000080
[41819.149492] ---[ end trace 0944479ff8257f55 ]---
Reported-by: Marius Bjørnstad Kotsbak <marius.kotsbak@gmail.com>
Cc: <stable@vger.kernel.org> # v3.4
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon changes from Guenter Roeck:
"Just e-mail address updates"
* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: Update my e-mail address
hwmon: (applesmc) correct email address for Jesper Juhl
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Pull watchdog fixes from Wim Van Sebroeck:
"This fixes:
- the WDIOC_GETSTATUS return value
- the unregister of all NMI events on exit
- the loading of the iTCO_wdt driver after the conversion to the
lpc_ich mfd model."
* git://www.linux-watchdog.org/linux-watchdog:
watchdog: core: fix WDIOC_GETSTATUS return value
watchdog: hpwdt: Unregister NMI events on exit.
watchdog: iTCO_wdt: add platform driver module alias
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Pull ubi/ubifs fixes from Artem Bityutskiy:
"Fix the debugfs regression - we never enable it because incorrect
'IS_ENABLED()' macro usage: should be 'IS_ENABLED(CONFIG_DEBUG_FS)',
but we had 'IS_ENABLED(DEBUG_FS)'. Also fix incorrect assertion."
* tag 'upstream-3.5-rc5' of git://git.infradead.org/linux-ubifs:
UBI: correct usage of IS_ENABLED()
UBIFS: correct usage of IS_ENABLED()
UBIFS: fix assertion
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In commit 7a87982420e5e126bfefeb42232d1fd92052794e we added
a wrapper for the WDIOC_GETSTATUS ioctl call. The code results
however in a different behaviour: it returns an error if the
driver doesn't support the status operation. This is not
according to the API that says that when we don't support
the status operation, that we just should return a 0 value.
Only when the device isn't there anymore, we should return an
error.
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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This patch is to unregister for NMI events upon exit. Also we are now
making the default setting for allow_kdump enabled.
Signed-off-by: Thomas Mingarelli <thomas.mingarelli@hp.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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The recent conversion of iTCO_wdt resulted in the driver no longer
getting loaded automatically, since it no longer has a
MODULE_DEVICE_TABLE() included. As the lpc_ich driver now creates a
platform device, auto-loading can easily be done by having a respective
module alias in place.
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Cc: Aaron Sierra <asierra@xes-inc.com>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Cc: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Pull drm fixes from Dave Airlie:
"Nearly all intel, one missing license header in nouveau, nothing
majorly earth shattering."
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
Revert "drm/i915: allow PCH PWM override on IVB"
drm/nouveau: add license header to prime.
drm/i915: Fix eDP blank screen after S3 resume on HP desktops
drm/i915: rip out the PM_IIR WARN
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Pull networking update from David Miller:
1) Pairing and deadlock fixes in bluetooth from Johan Hedberg.
2) Add device IDs for AR3011 and AR3012 bluetooth chips. From
Giancarlo Formicuccia and Marek Vasut.
3) Fix wireless regulatory deadlock, from Eliad Peller.
4) Fix full TX ring panic in bnx2x driver, from Eric Dumazet.
5) Revert the two commits that added skb_orphan_try(), it causes
erratic bonding behavior with UDP clients and the gains it used to
give are mostly no longer happening due to how BQL works. From Eric
Dumazet.
6) It took two tries, but Thomas Graf fixed a problem wherein we
registered ipv6 routing procfs files before their backend data were
initialized properly.
7) Fix max GSO size setting in be2net, from Sarveshwar Bandi.
8) PHY device id mask is wrong for KSZ9021 and KS8001 chips, fix from
Jason Wang.
9) Fix use of stale SKB data pointer after skb_linearize() call in
batman-adv, from Antonio Quartulli.
10) Fix memory leak in IXGBE due to missing __GFP_COMP, from Alexander
Duyck.
11) Fix probing of Gobi devices in qmi_wwan usbnet driver, from Bjørn
Mork.
12) Fix suspend/resume and open failure handling in usbnet from Ming
Lei.
13) Attempt to fix device r8169 hangs for certain chips, from Francois
Romieu.
14) Fix advancement of RX dirty pointer in some situations in sh_eth
driver, from Yoshihiro Shimoda.
15) Attempt to fix restart of IPV6 routing table dumps when there is an
intervening table update. From Eric Dumazet.
16) Respect security_inet_conn_request() return value in ipv6 TCP. From
Neal Cardwell.
17) Add another iPAD device ID to ipheth driver, from Davide Gerhard.
18) Fix access to freed SKB in l2tp_eth_dev_xmit(), and fix l2tp lockdep
splats, from Eric Dumazet.
19) Make sure all bridge devices, regardless of whether they were
created via netlink or ioctls, have their rtnetlink ops hooked up.
From Thomas Graf and Stephen Hemminger.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (81 commits)
9p: fix min_t() casting in p9pdu_vwritef()
can: flexcan: use be32_to_cpup to handle the value of dt entry
xen/netfront: teardown the device before unregistering it.
bridge: Assign rtnl_link_ops to bridge devices created via ioctl (v2)
vhost: use USER_DS in vhost_worker thread
ixgbe: Do not pad FCoE frames as this can cause issues with FCoE DDP
net: l2tp_eth: use LLTX to avoid LOCKDEP splats
mac802154: add missed braces
net: l2tp_eth: fix l2tp_eth_dev_xmit race
net/mlx4_en: Release QP range in free_resources
net/mlx4: Use single completion vector after NOP failure
net/mlx4_en: Set correct port parameters during device initialization
ipheth: add support for iPad
caif-hsi: Add missing return in error path
caif-hsi: Bugfix - Piggyback'ed embedded CAIF frame lost
caif: Clear shutdown mask to zero at reconnect.
tcp: heed result of security_inet_conn_request() in tcp_v6_conn_request()
ipv6: fib: fix fib dump restart
batman-adv: fix race condition in TT full-table replacement
batman-adv: only drop packets of known wifi clients
...
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless into for-davem
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Free ap_custom_ie before return from function.
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg Kroah-Hartman:
"Here are some small USB gadget bugfixes, and a few new USB device ids
added to some drivers for the 3.5-rc5 release.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"
* tag 'usb-3.5-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
USB: CP210x Add 10 Device IDs
USB: option: Add USB ID for Novatel Ovation MC551
usb: phy: Fix Kconfig dependency for Phy drivers
usb-storage: revert commit afff07e61a52 (Add 090c:1000 to unusal-devs)
SCSI & usb-storage: add try_rc_10_first flag
usb: musb: host: release dma channels if no active io
usb: gadget: lpc32xx_udc: fix build error with debugfs enabled
usb: otg: twl6030-usb: Fix twl writes
USB: option: add id for Cellient MEN-200
usb: dwc3: fix giveback of queued request in ep_dequeue
usb: gadget: Complete fsl qe/udc driver conversion
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git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc
Pull MMC fixes from Chris Ball:
- omap_hsmmc: Using AUTO_CMD12 (enabled by default in 3.5-rc1) has
been found to cause data corruption on the BeagleBoard, but no
other OMAP boards so far. Revert the patch until there's a root
cause explanation that makes sense, at which point we might
decide to use a blacklist or whitelist.
- mmc_block: Fix incorrect data timeouts for the case of multiblock
(ACMD22) writes for block-addressed cards.
* tag 'mmc-fixes-for-3.5-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc:
Revert "mmc: omap_hsmmc: Enable Auto CMD12"
mmc: block: fix the data timeout issue with ACMD22
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Pull clk common framework fixes from Mike Turquette:
"This contains three NULL pointer fixes and two device regression
fixups.
Two NULL pointer dereferences were in the common clk core due to lack
of sanity checking and the third NPD was in the mxs-specific clock
code due to incorrect use of __initdata.
The device regressions were the result of improper data: a wrong
string name for matching DT data broke the SPEAr ethernet controller
and another string matching problem in the mxs clock data resulted in
a broken MMC controller."
* tag 'clk-fixes-for-linus' of git://git.linaro.org/people/mturquette/linux:
clk: mxs: fix clock lookup after freeing init memory
clk: mxs: fix ref_io clock definition
clk: Check parent for NULL in clk_change_rate
clk: Allow late cache allocation for clk->parents
clk: SPEAr600: Fix ethernet clock name for DT based probing
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git://people.freedesktop.org/~danvet/drm-intel into drm-fixes
Daniel writes:
"Two tiny patches and one revert:
- Kill a bogus error message introduced in 3.4, further Bspec reading
indicates that this is how the hw is supposed to work.
- Reorder one backlight register restore, fixing broken backlight on some
machines after resume.
- Revert a hack from Jesse for ivb backlight control - it breaks the
backlight controls on my shiny new ivb laptop."
* 'drm-intel-fixes' of git://people.freedesktop.org/~danvet/drm-intel:
Revert "drm/i915: allow PCH PWM override on IVB"
drm/i915: Fix eDP blank screen after S3 resume on HP desktops
drm/i915: rip out the PM_IIR WARN
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Commit 3a2923e83c introduced a bug when a corrupt descriptor
is encountered - although the following descriptor is discarded
and returned to the queue for reuse the associated frame is
also returned for processing. This leads to a panic:
BUG: unable to handle kernel NULL pointer dereference at 000000000000003a
IP: [<ffffffffa02599a5>] ath_rx_tasklet+0x165/0x1b00 [ath9k]
Call Trace:
<IRQ>
[<ffffffff812d7fa0>] ? map_single+0x60/0x60
[<ffffffffa028f044>] ? ath9k_ioread32+0x34/0x90 [ath9k]
[<ffffffffa0292eec>] athk9k_tasklet+0xdc/0x160 [ath9k]
[<ffffffff8105e133>] tasklet_action+0x63/0xd0
[<ffffffff8105dbc0>] __do_softirq+0xc0/0x1e0
[<ffffffff8101a873>] ? native_sched_clock+0x13/0x80
[<ffffffff815f9d5c>] call_softirq+0x1c/0x30
[<ffffffff810151f5>] do_softirq+0x75/0xb0
[<ffffffff8105df95>] irq_exit+0xb5/0xc0
[<ffffffff815fa5b3>] do_IRQ+0x63/0xe0
[<ffffffff815f0cea>] common_interrupt+0x6a/0x6a
<EOI>
[<ffffffff8131840a>] ? intel_idle+0xea/0x150
[<ffffffff813183eb>] ? intel_idle+0xcb/0x150
[<ffffffff814a1db9>] cpuidle_enter+0x19/0x20
[<ffffffff814a23d9>] cpuidle_idle_call+0xa9/0x240
[<ffffffff8101c4bf>] cpu_idle+0xaf/0x120
[<ffffffff815cda8e>] rest_init+0x72/0x74
[<ffffffff81cf4c1a>] start_kernel+0x3b7/0x3c4
[<ffffffff81cf4662>] ? repair_env_string+0x5e/0x5e
[<ffffffff81cf4346>] x86_64_start_reservations+0x131/0x135
[<ffffffff81cf444a>] x86_64_start_kernel+0x100/0x10f
Making sure bf is cleared to NULL in this case restores the
old behaviour.
Signed-off-by: Tom Hughes <tom@compton.nu>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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https://bugzilla.kernel.org/show_bug.cgi?id=42903
Based on the work of <fynivx@gmail.com>
Signed-off-by: Panayiotis Karabassis <panayk@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The latest Realtek driver for the RTL8188CU and RTL8192CU chips adds three
new USB IDs.
Reported-by: Xose Vazquez Perez <xose.vazquez@gmail.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Stable <stable@vger.kernel.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This reverts commit f82cfb6bcda164ef3a66b8c3fc549b1f9bdd09ad.
This breaks the backlight controls on my IVB asus zenbook with an eDP
panel.
I guess the right fix would be to read this bit and use either the pch
or the cpu register to frob the backlight values. But that is stuff
for -next.
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Commit e978aa7d7d57d04eb5f88a7507c4fb98577def77 ( cpuidle: Move
dev->last_residency update to driver enter routine; remove dev->last_state)
was breaking suspend on laptops, as reported in the below link
- https://lkml.org/lkml/2011/11/11/164
This was fixed in commit 3439a8da16bcad6b0982ece938c9f8299bb53584
(ACPI / cpuidle: Remove acpi_idle_suspend (to fix suspend regression)
by removing acpi_idle_suspend flag.
- https://lkml.org/lkml/2011/11/14/74
But this did fix did not work on all systems
as Suspend/resume regression was reported on Lenovo S10-3
recently by Dave.
- https://lkml.org/lkml/2012/5/27/115
It looked like with commit e978aa7d broke suspend and
with commit 3439a8da resume was not working with acpi_idle driver.
This patch fixes the regression that caused this issue
in the first place. acpi_idle_suspend flag is essential on
some x86 systems to prevent the cpus from going to deeper C-states
when suspend is triggered ( commit b04e7bdb984 )
So reverting the commit 3439a8da is essential.
By default, irqs are disabled in cpu_idle arch specific call
and re-enabled in idle state return path . During suspend,
the acpi_idle_suspend flag is set, which
prevents the cpus from going to deeper idle states,
it is essential to enabling the irqs in this return path too.
To address the suspend issue,
we were not re-enabling the interrupts while returning from
acpi_idle_enter_bm() routine if acpi_idle_suspend flag is set.
and this caused suspend failure.
In addition to the above, to improve the readability of the code,
return of -ENIVAL is replaced with -EBUSY in acpi_idle_suspend
return path. Implying that the system is currently busy when suspend
is in progress, which prevents the cpus from entering deeper C-states.
Reported-and-Tested-by: Dav Hansen <dave@linux.vnet.ibm.com>
Tested-by: Preeti Murthy <preeti@linux.vnet.ibm.com>
Signed-off-by: Deepthi Dharwar <deepthi@linux.vnet.ibm.com>
Reviewed-by: Srivatsa S Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
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Commit "e9b4cf2 UBI: fix debugfs-less systems support" fixed one
regression but introduced a different regression - the debugfs is now always
compiled out. Root cause: IS_ENABLED() arguments should be used with the
CONFIG_* prefix.
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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The freescale arm i.MX series platform can support this driver, and
usually the arm cpu works in the little endian mode by default, while
device tree entry value is stored in big endian format, we should use
be32_to_cpup() to handle them, after modification, it can work well
both on the le cpu and be cpu.
Cc: stable <stable@vger.kernel.org> # v3.2+
Cc: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Hui Wang <jason77.wang@gmail.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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Just forgot this when I posted it, and yes I'm the only person
to have changed the file since.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Fixes:
[ 15.470311] WARNING: at /local/scratch/ianc/devel/kernels/linux/fs/sysfs/file.c:498 sysfs_attr_ns+0x95/0xa0()
[ 15.470326] sysfs: kobject eth0 without dirent
[ 15.470333] Modules linked in:
[ 15.470342] Pid: 12, comm: xenwatch Not tainted 3.4.0-x86_32p-xenU #93
and
[ 9.150554] BUG: unable to handle kernel paging request at 2b359000
[ 9.150577] IP: [<c1279561>] linkwatch_do_dev+0x81/0xc0
[ 9.150592] *pdpt = 000000002c3c9027 *pde = 0000000000000000
[ 9.150604] Oops: 0002 [#1] SMP
[ 9.150613] Modules linked in:
This is http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=675190
Reported-by: George Shuklin <george.shuklin@gmail.com>
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Tested-by: William Dauchy <wdauchy@gmail.com>
Cc: stable@kernel.org
Cc: 675190@bugs.debian.org
Signed-off-by: David S. Miller <davem@davemloft.net>
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On some architectures address spaces are set up in a way that this is
not necessary to work properly but on some others (like s390) it is.
Make sure we operate on the user address space to allow copy_xxx_user()
from the vhost_worker() thread by setting it explicitly before calling
use_mm() and revert it after unuse_mm().
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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FCoE target mode was experiencing issues due to the fact that we were
sending up data frames that were padded to 60 bytes after the DDP logic had
already stripped the frame down to 52 or 56 depending on the use of VLANs.
This was resulting in the FCoE DDP logic having issues since it thought the
frame still had data in it due to the padding.
To resolve this, adding code so that we do not pad FCoE frames prior to
handling them to the stack.
CC: <stable@vger.kernel.org>
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Tested-by: Ross Brattain <ross.b.brattain@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds 10 device IDs for CP210x based devices from the following manufacturers:
Timewave
Clipsal
Festo
Link Instruments
Signed-off-by: Craig Shelley <craig@microtron.org.uk>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This device is also known as the Verizon USB551L.
Signed-off-by: Forest Bond <forest.bond@rapidrollout.com>
Acked-by: Dan Williams <dcbw@redhat.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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USB phy layer driver are only built if usb host is selected, but they
are used too by USB_GADGET drivers
Signed-off-by: Alexandre Pereira da Silva <aletes.xgr@gmail.com>
Acked-by: Roland Stigge <stigge@antcom.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch reverts the commit dba3c29ea4a1d5d544.
After bisecting, this commit dba3c29 is found to ruin micro-SD card data
(writing incorrect file, or fs is corrupt after several times mount)
on the beagle-xm revB, and reverting the commit will fix the problem.
Also from TRM of OMAP3/OMAP4/DM37x, the below is mentioned about
the Auto CMD12 Enable bit.
- SDIO does not support this feature.
- SD card only.
Looks it is not suitable to always enable Auto CMD12 in host controller
driver.
Considered that the commit is not mature enough, so ask to revert it
first.
Cc: Balaji T K <balajitk@ti.com>
Cc: Venkatraman S <svenkatr@ti.com>
Buglink: https://lkml.org/lkml/2012/6/10/225
Reported-by: Paolo Pisati <p.pisati@gmail.com>
Reported-bisected-and-tested-by: Ming Lei <ming.lei@canonical.com>
Signed-off-by: Ming Lei <ming.lei@canonical.com>
Acked-by: Venkatraman S <svenkatr@ti.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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If multi block write operation fails for SD card, during
error handling we send the SD_APP_SEND_NUM_WR_BLKS (ACMD22)
to know how many blocks were already programmed by card.
But mmc_sd_num_wr_blocks() function which sends the ACMD22
calculates the data timeout value from csd.tacc_ns and
csd.tacc_clks parameters which will be 0 for block addressed
(>2GB cards) SD card. This would result in timeout_ns and
timeout_clks being 0 in the mmc_request passed to host driver.
This means host controller would program its data timeout timer
value with 0 which could result in DATA TIMEOUT errors from
controller.
To fix this issue, mmc_sd_num_wr_blocks() should instead
just call the mmc_set_data_timeout() to calculate the
data timeout value. mmc_set_data_timeout() function
ensures that non zero timeout value is set even for
block addressed SD cards.
Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org>
Reviewed-by: Venkatraman S <svenkatr@ti.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Pull drm fixes from Dave Airlie:
"Just two changes: one udl endian fix, one nouveau memory corruption on
some GPUs."
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/nouveau/fbcon: using nv_two_heads is not a good idea
drm/udl: Make sure to get correct endian keys from vendor descriptor
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
Pull HID fixes from Jiri Kosina:
"The most important one is a purification of Kconfig for CONFIG_HID;
the inclusion of HID groups and autoloading didn't leave the Kconfig
in a really consistent state. Henrik's patch fixes that. In addition
to that, there are two small fixes for logitech and magicmouse
drivers."
* 'upstream-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid:
HID: Fix the generic Kconfig options
HID: magicmouse: Correct report range of major / minor axes
HID: logitech: don't use stack based dj_report structures
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nv_two_heads() was never meant to be used outside of pre-nv50 code. The
code checks for >= NV_10 for 2 CRTCs, then downgrades a few specific
chipsets to 1 CRTC based on (pci_device & 0x0ff0).
The breakage example seen is on GTX 560Ti, with a pciid of 0x1200, which
gets detected as an NV20 (0x020x) with 1 CRTC by nv_two_heads(), causing
memory corruption because there's actually 2 CRTCs..
This switches fbcon to use the CRTC count directly from the mode_config
structure, which will also fix the same issue on Kepler boards which have
4 CRTCs.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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The struct clk_lookup are marked as __initdata, resulting in being
removed from memory after the kernel finished booting. However this
leads to a NULL pointer de-ref if loading a module which uses clk_get.
This patch removes the __initdata from the struct clk_lookup.
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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The definition of clocks ref_io0 and ref_io1 were inverted. It causes
a mmc regression on some boards right away. Fix the regression by
correcting the ref_io clock definition.
Reported-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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clk_change_rate() is accessing parent's rate without checking
if the parent exists at all. In case of root clocks this will
cause NULL pointer dereference.
This patch follows what clk_calc_new_rates() does in such
situation.
Signed-off-by: Pawel Moll <pawel.moll@arm.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
Cc: stable@kernel.org
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Parent clocks for muxes are cached in clk->parents to
avoid frequent lookups, however the cache allocation happens
only during clock registeration and later clk_set_parent()
assumes a cache space available and allocated.
This is not entirely true for platforms which do early clock
registerations wherein the cache allocation using kzalloc
could fail during clock registeration.
Allow cache allocation to happen later as part of clk_set_parent()
to help such cases and avoid crashes assuming a cache being
available.
While here also replace existing kmalloc() with kzalloc()
in the file.
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
Cc: stable@kernel.org
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Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Viresh Kumar <viresh.kumar@st.com>
Cc: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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Add a missing resource release in ring cleanup.
Not doing this leaves a range of QPs that are being reserved,
and no one can use them.
Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix a crash at the error flow of NOP command which caused the driver to try and use
a completion vector which wasn't allocated.
Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Set valid port parameters: MTU and flow control configuration when
configuring the port during HW device initialization,
prior to the net device open() being called.
Using invalid parameters (such as all zeros)
could lead to bad firmware behavior.
Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This adds support for the iPad to the ipheth driver.
(product id = 0x129a)
Signed-off-by: Davide Gerhard <rainbow@irh.it>
Signed-off-by: David S. Miller <davem@davemloft.net>
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