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ACPI provide "_PLD" and "_UPC" aml methods to describe usb port
visibility and connectability. This patch is to add usb_hub_adjust_DeviceRemovable()
to adjust usb hub port's DeviceRemovable according ACPI information and invoke it in
the rh_call_control(). When hub descriptor request is issued at first time,
usb port device isn't created and usb port is not bound with acpi. So first
hub descriptor request is not changed based on ACPI information. After usb
port devices being created, call usb_hub_adjust_DeviceRemovable in the hub_configure()
and then set hub port's DeviceRemovable according ACPI information and this also works
for non-root hub.
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Delete successive tests to the same location. In this case res has already
been tested for being NULL, and calling devm_request_and_ioremap will not
make it NULL. On the other hand, devm_request_and_ioremap can return NULL
on failure.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
@s exists@
local idexpression y;
expression x,e;
@@
*if ( \(x == NULL\|IS_ERR(x)\|y != 0\) )
{ ... when forall
return ...; }
... when != \(y = e\|y += e\|y -= e\|y |= e\|y &= e\|y++\|y--\|&y\)
when != \(XT_GETPAGE(...,y)\|WMI_CMD_BUF(...)\)
*if ( \(x == NULL\|IS_ERR(x)\|y != 0\) )
{ ... when forall
return ...; }
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch sets scsi_host->max_id as 1 if the device's quirk
flag of US_FL_SCM_MULT_TARG isn't set, because there are only 6
mass storage devices marked as mutiple targets from unusual_devs.h.
This patch is a small optimization about scanning targets, and
avoid scanning other 7 non-existed targets for single target
device.
Signed-off-by: Ming Lei <ming.lei@canonical.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Acked-by: Matthew Dharm <mdharm-usb@one-eyed-alien.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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To show the relationship between usb port and child device,
add link file "port" under usb device's sysfs directoy and
"device" under usb port device's sysfs directory. They are linked
to each other.
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Some platforms provide usb port connect types through ACPI. This
patch is to add this new attribute to expose these information
to user space.
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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blackfin
This patch is to fix compilation error and warning on the arm and blackfin.
Add linux/slab.h head file to driver/usb/core/port.c. These are reported
from 0-DAY kernel build testing backend.
head: 6e30d7cba992d626c9d16b3873a7b90c700d0e95
commit: 6e30d7cba992d626c9d16b3873a7b90c700d0e95 [26/26] usb: Add driver/usb/core/(port.c,hub.h) files
config: make ARCH=arm at91_dt_defconfig
All error/warnings:
drivers/usb/core/port.c: In function 'usb_port_device_release':
>> drivers/usb/core/port.c:25:2: error: implicit declaration of function 'kfree' [-Werror=implicit-function-declaration]
drivers/usb/core/port.c: In function 'usb_hub_create_port_device':
>> drivers/usb/core/port.c:38:2: error: implicit declaration of function 'kzalloc' [-Werror=implicit-function-declaration]
>> drivers/usb/core/port.c:38:40: error: 'GFP_KERNEL' undeclared (first use in this function)
drivers/usb/core/port.c:38:40: note: each undeclared identifier is reported only once for each function it appears in
cc1: some warnings being treated as errors
head: 6e30d7cba992d626c9d16b3873a7b90c700d0e95
commit: 6e30d7cba992d626c9d16b3873a7b90c700d0e95 [26/26] usb: Add driver/usb/core/(port.c,hub.h) files
config: make ARCH=blackfin BF526-EZBRD_defconfig
All warnings:
drivers/usb/core/port.c: In function 'usb_port_device_release':
drivers/usb/core/port.c:25:2: error: implicit declaration of function 'kfree' [-Werror=implicit-function-declaration]
drivers/usb/core/port.c: In function 'usb_hub_create_port_device':
drivers/usb/core/port.c:38:2: error: implicit declaration of function 'kzalloc' [-Werror=implicit-function-declaration]
>> drivers/usb/core/port.c:38:11: warning: assignment makes pointer from integer without a cast [enabled by default]
cc1: some warnings being treated as errors
Reported-by: Fengguang Wu <wfg@linux.intel.com>
Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch is to create driver/usb/core/(port.c,hub.h) files and move usb
port related code into port.c.
Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The callers expect this function to return zero on success or -EIO if it
times out. The type should be int instead of unsigned short.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Kill custom closing_wait implementation and let the tty layer handle it
instead.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Query hardware-buffer status in chars_in_buffer should the write fifo be
empty.
This is needed to make the tty layer wait for hardware buffers to drain
on close.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Grab disconnect mutex in chars_in_buffer before checking disconnected
flag or calling driver specific function.
This allows subdrivers to query any hardware buffer status without
having to handle the locking themselves.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Use tty-port drain delay rather than custom implementation in
chase_port.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Move write-fifo flushing from chase_port to close where it belongs.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This pulls in all of the -rc4 fixes into usb-next to sync things up.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch fixes the warning,
6a099c63650e50ebf7d1259b859a3d230aec4207 [4/10] USB: misc: Add USB3503 High-Speed Hub Controller
drivers/usb/misc/usb3503.c:238 usb3503_probe() error: we previously assumed 'pdata' could be null (see line 196)
Signed-off-by: Dongjin Kim <tobetter@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull more s390 patches from Martin Schwidefsky:
"A couple of bug fixes: one of the transparent huge page primitives is
broken, the sched_clock function overflows after 417 days, the XFS
module has grown too large for -fpic and the new pci code has broken
normal channel subsystem notifications."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/chsc: fix SEI usage
s390/time: fix sched_clock() overflow
s390: use -fPIC for module compile
s390/mm: fix pmd_pfn() for thp
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI and power management fixes from Rafael Wysocki:
- cpuidle regression fix related to the initialization of state
kobjects from Krzysztof Mazur.
- cpuidle fix removing some not very useful code and making some
user-visible problems go away at the same time. From Daniel Lezcano.
- ACPI build fix from Yinghai Lu.
* tag 'pm+acpi-for-3.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpuidle: remove the power_specified field in the driver
ACPI / glue: Fix build with ACPI_GLUE_DEBUG set
cpuidle: fix number of initialized/destroyed states
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Fix the build error:
drivers/built-in.o: In function `twl_probe':
drivers/mfd/twl-core.c:1256: undefined reference to `devm_regmap_init_i2c'
make: *** [vmlinux] Error 1
Signed-off-by: liu chuansheng <chuansheng.liu@intel.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
[ Samuel is busy, taking it directly - Linus ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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[ We should make fun of people who can't speel too, but then we'd have
no time for any real work at all - Linus ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull second round of sound fixes from Takashi Iwai:
"Yet a few more fixes popped up in this week.
The biggest change here is the addition of pinctrl support for Atmel,
which turned out to be almost mandatory to make things working.
The rest are a few fixes for M-Audio usb-audio device and a fix for
regression of HD-audio HDMI codecs with alsactl in the recent kernel."
* tag 'sound-3.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda/hdmi - Work around "alsactl restore" errors
ALSA: usb-audio: selector map for M-Audio FT C400
ALSA: usb-audio: M-Audio FT C400 skip packet quirk
ALSA: usb-audio: correct M-Audio C400 clock source quirk
ALSA: usb - fix race in creation of M-Audio Fast track pro driver
ASoC: atmel-ssc: add pinctrl selection to driver
ARM: at91/dts: add pinctrl support for SSC peripheral
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Pull scsi target fixes from Nicholas Bellinger:
"This includes an important >= v3.6 regression bugfix for active I/O
shutdown (Roland), some TMR related failure / corner cases fixes for
long outstanding I/O (Roland), two FCoE target mode fabric fabric role
fixes (MDR), a fix for an incorrect sense code during LUN
communication failure (Dr. Hannes), plus a handful of other minor
fixes.
There are still some outstanding zero-length control CDB regression
fixes that need to be addressed for v3.8, that will be coming in a
follow-up PULL request."
* git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending:
iscsi-target: Fix CmdSN comparison (use cmd->cmd_sn instead of cmd->stat_sn)
target: Release se_cmd when LUN lookup fails for TMR
target: Fix use-after-free in LUN RESET handling
target: Fix missing CMD_T_ACTIVE bit regression for pending WRITEs
tcm_fc: Do not report target role when target is not defined
tcm_fc: Do not indicate retry capability to initiators
target: Use TCM_NO_SENSE for initialisation
target: Introduce TCM_NO_SENSE
target: use correct sense code for LUN communication failure
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Pull SuperH fixes from Paul Mundt.
* tag 'sh-for-linus' of git://github.com/pmundt/linux-sh:
sh: ecovec: add sample amixer settings
sh: Fix up stack debugging build.
sh: wire up finit_module syscall.
sh: Fix FDPIC binary loader
sh: clkfwk: bugfix: sh_clk_div_enable() care sh_clk_div_set_rate() if div6
sh: define TASK_UNMAPPED_BASE as a page aligned constant
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If the requested firmware file size is 0 bytes in the filesytem, we
will try to vmalloc(0), which causes a warning:
vmalloc: allocation failure: 0 bytes
kworker/1:1: page allocation failure: order:0, mode:0xd2
__vmalloc_node_range+0x164/0x208
__vmalloc_node+0x4c/0x58
vmalloc+0x38/0x44
_request_firmware_load+0x220/0x6b0
request_firmware+0x64/0xc8
wl18xx_setup+0xb4/0x570 [wl18xx]
wlcore_nvs_cb+0x64/0x9f8 [wlcore]
request_firmware_work_func+0x94/0x100
process_one_work+0x1d0/0x750
worker_thread+0x184/0x4ac
kthread+0xb4/0xc0
To fix this, check whether the file size is less than or equal to zero
in fw_read_file_contents().
Cc: stable <stable@vger.kernel.org> [3.7]
Signed-off-by: Luciano Coelho <coelho@ti.com>
Acked-by: Ming Lei <ming.lei@canonical.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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cbc0dd1 "s390/pci: CHSC PCI support for error and availability events"
introduced a new SEI notification type as part of pci support.
The way SEI was called with nt2 and nt0 consecutive broke the nt0
stuff used for channel subsystem notifications.
The reason why this was broken with the mentioned patch is that you
cannot selectively disable type 0 notifications (so even when asked
for type 2 only, type 0 could be presented).
The way to do it is to tell SEI which types of notification you can
process and -this is the important part- look at the SEI result which
notification type you actually received.
Reviewed-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Tested-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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We realized that the power usage field is never filled and when it
is filled for tegra, the power_specified flag is not set causing all
of these values to be reset when the driver is initialized with
set_power_state().
However, the power_specified flag can be simply removed under the
assumption that the states are always backward sorted, which is the
case with the current code.
This change allows the menu governor select function and the
cpuidle_play_dead() to be simplified. Moreover, the
set_power_states() function can removed as it does not make sense
any more.
Drop the power_specified flag from struct cpuidle_driver and make
the related changes as described above.
As a consequence, this also fixes the bug where on the dynamic
C-states system, the power fields are not initialized.
[rjw: Changelog]
References: https://bugzilla.kernel.org/show_bug.cgi?id=42870
References: https://bugzilla.kernel.org/show_bug.cgi?id=43349
References: https://lkml.org/lkml/2012/10/16/518
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap
Pull regmap debugfs optimisation fixes from Mark Brown:
"The debugfs optimisations merged in v3.8 weren't my finest hour, there
were a number of cases that the more complex algorithm made worse
especially around the error handling. This patch series should
address those issues."
* tag 'regmap-debugfs-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
regmap: debugfs: Make sure we store the last entry in the offset cache
regmap: debugfs: Ensure a correct return value for empty caches
regmap: debugfs: Discard the cache if we fail to allocate an entry
regmap: debugfs: Fix check for block start in cached seeks
regmap: debugfs: Fix attempts to read nonexistant register blocks
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fixes from Mark Brown:
"A few fixes for the regulator subsystems, a few driver specific things
plus a fix for the interaction between regultor_can_change_voltage()
and continuous voltage ranges both of which were added for this
release."
* tag 'regulator-3.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: max8998: Ensure enough delay time for max8998_set_voltage_buck_time_sel
regulator: max8998: Use uV in voltage_map_desc
regulator: max8997: Use uV in voltage_map_desc
regulator: core: Fix comment for regulator_register()
regulator: core: Fix continuous_voltage_range case in regulator_can_change_voltage
regulator: s5m8767: Fix probe failure due to stack corruption
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging fixes from Greg Kroah-Hartman:
"Here are a number of small fixes to staging drivers for your 3.8-rc3
tree.
Well, the omapdrm fixes aren't really "small" but they were waiting on
a number of other drm patches to go in through the drm tree, and got
delayed by my vacation over the holidays. They are totally
self-contained, everyone involved have acked them, and they fix issues
that people have been having with the driver.
Other than that one, it's a bunch of tiny bugfixes for a number of
reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"
* tag 'staging-3.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (36 commits)
staging: zram: fix invalid memory references during disk write
staging: tidspbridge: use prepare/unprepare on dsp clocks
staging: tidspbridge: Fix build breakage due to splitting CM functions.
staging: comedi: comedi_test: fix race when cancelling command
staging: comedi: Kconfig: COMEDI_NI_AT_A2150 should select COMEDI_FC
staging: comedi: prevent auto-unconfig of manually configured devices
staging: comedi: fix minimum AO period for NI 625x and NI 628x
staging: vme_pio2: fix oops on module unloading
staging: speakup: avoid out-of-range access in synth_add()
staging: speakup: avoid out-of-range access in synth_init()
staging: rtl8192e: Fix failure to check pci_map_single()
staging: rtl8187se: Fix failure to check pci_map_single()
staging: drm/imx: fix double free bug in error path
staging: drm/imx: several bug fixes
staging: drm/imx: check return value of ipu_reset()
staging: drm/omap: fix flags in dma buf exporting
staging: drm/omap: use omapdss low level API
staging/fwserial: Update TODO file per reviewer comments
staging/fwserial: Limit tx/rx to 1394-2008 spec maximum
staging/fwserial: Refine Kconfig help text
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg Kroah-Hartman:
"Here are a bunch of USB fixes for your 3.8-rc3 tree. They all either
fix problems that have been reported (like the xhci/hub changes) or
add new device ids to existing drivers.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"
* tag 'usb-3.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (39 commits)
usb: ftdi_sio: Crucible Technologies COMET Caller ID - pid added
usb: host: ohci-tmio: fix compile warning
USB: Add device quirk for Microsoft VX700 webcam
USB: ehci-fsl: fix regression on mpc5121e
usb: chipidea: Allow disabling streaming not only in udc mode
USB: fsl-mph-dr-of: fix regression on mpc5121e
USB: select USB_ARCH_HAS_EHCI for MXS
USB: hub: handle claim of enabled remote wakeup after reset
USB: cdc-acm: Add support for "PSC Scanning, Magellan 800i"
USB: option: add Nexpring NP10T terminal id
USB: option: add Telekom Speedstick LTE II
USB: option: blacklist network interface on ZTE MF880
usb: imx21-hcd: Include missing linux/module.h
USB: option: Add new MEDIATEK PID support
USB: ehci: make debug port in-use detection functional again
USB: usbtest: fix test number in log message
xhci: Avoid "dead ports", add roothub port polling.
USB: Handle warm reset failure on empty port.
USB: Ignore port state until reset completes.
USB: Increase reset timeout.
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc fix from Greg Kroah-Hartman:
"Here is a single fix for the mei driver that resolves a reported
issue.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"
* tag 'char-misc-3.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
mei: fix mismatch in mutex unlock-lock in mei_amthif_read()
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Pull drm fixes from Dave Airlie:
"Nothing too astounding
- nouveau: bunch of regression fixes and oops fixes
- radeon: UMS fixes, rn50 fix, dma fix
- udl: fix EDID retrieval for large EDIDs."
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
udldrmfb: udl_get_edid: drop unneeded i--
udldrmfb: udl_get_edid: usb_control_msg buffer must not be on the stack
udldrmfb: Fix EDID not working with monitors with EDID extension blocks
drm/nvc0/fb: fix crash when different mutex is used to protect same list
drm/nouveau/clock: fix support for more than 2 monitors on nve0
drm/nv50/disp: fix selection of bios script for analog outputs
drm/nv17-50: restore fence buffer on resume
drm/nouveau: fix blank LVDS screen regression on pre-nv50 cards
drm/nouveau: fix nouveau_client allocation failure path
drm/nouveau: don't return freed object from nouveau_handle_create
drm/nouveau/vm: fix memory corruption when pgt allocation fails
drm/nouveau: add locking around instobj list operations
drm/nouveau: do not forcibly power on lvds panels
drm/nouveau/devinit: ensure legacy vga control is enabled during post
radeon/kms: fix dma relocation checking
radeon/kms: force rn50 chip to always report connected on analog output
drm/radeon: fix error path in kpage allocation
drm/radeon: fix a bogus kfree
drm/radeon: fix NULL pointer dereference in UMS mode
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Pull networking fixes from David Miller:
1) Fix regression allowing IP_TTL setting of zero, fix from Cong Wang.
2) Fix leak regressions in tunap, from Jason Wang.
3) be2net driver always returns IRQ_HANDLED in INTx handler, fix from
Sathya Perla.
4) qlge doesn't really support NETIF_F_TSO6, don't set that flag. Fix
from Amerigo Wang.
5) Add 802.11ad Atheros wil6210 driver, from Vladimir Kondratiev.
6) Fix MTU calculations in mac80211 layer, from T Krishna Chaitanya.
7) Station info layer of mac80211 needs to use del_timer_sync(), from
Johannes Berg.
8) tcp_read_sock() can loop forever, because we don't immediately stop
when recv_actor() returns zero. Fix from Eric Dumazet.
9) Fix WARN_ON() in tcp_cleanup_rbuf(). We have to use sk_eat_skb() in
tcp_recv_skb() to handle the case where a large GRO packet is split
up while it is use by a splice() operation. Fix also from Eric
Dumazet.
10) addrconf_get_prefix_route() in ipv6 tests flags incorrectly, it
does:
if (X && (p->flags & Y) != 0)
when it really meant to go:
if (X && (p->flags & X) != 0)
fix from Romain Kuntz.
11) Fix lost Kconfig dependency for bfin_mac driver hardware
timestamping. From Lars-Peter Clausen.
12) Fix regression in handling of RST without ACK in TCP, from Eric
Dumazet.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (37 commits)
be2net: fix unconditionally returning IRQ_HANDLED in INTx
tuntap: fix leaking reference count
tuntap: forbid calling TUNSETIFF when detached
tuntap: switch to use rtnl_dereference()
net, wireless: overwrite default_ethtool_ops
qlge: remove NETIF_F_TSO6 flag
tcp: accept RST without ACK flag
net: ethernet: xilinx: Do not use NO_IRQ in axienet
net: ethernet: xilinx: Do not use axienet on PPC
bnx2x: Allow management traffic after boot from SAN
bnx2x: Fix fastpath structures when memory allocation fails
bfin_mac: Restore hardware time-stamping dependency on BF518
tun: avoid owner checks on IFF_ATTACH_QUEUE
bnx2x: move debugging code before the return
tuntap: refuse to re-attach to different tun_struct
ipv6: use addrconf_get_prefix_route for prefix route lookup [v2]
ipv6: fix the noflags test in addrconf_get_prefix_route
tcp: fix splice() and tcp collapsing interaction
tcp: splice: fix an infinite loop in tcp_read_sock()
net: prevent setting ttl=0 via IP_TTL
...
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Fixes a bug introduced by commit c8f2f0db1 ("zram: Fix handling
of incompressible pages") which caused invalid memory references
during disk write. Invalid references could occur in two cases:
- Incoming data expands on compression: In this case, reference was
made to kunmap()'ed bio page.
- Partial (non PAGE_SIZE) write with incompressible data: In this
case, reference was made to a kfree()'ed buffer.
Fixes bug 50081:
https://bugzilla.kernel.org/show_bug.cgi?id=50081
Signed-off-by: Nitin Gupta <ngupta@vflare.org>
Cc: stable <stable@vger.kernel.org>
Reported-by: Mihail Kasadjikov <hamer.mk@gmail.com>
Reported-by: Tomas M <tomas@slax.org>
Reviewed-by: Minchan Kim <minchan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This is a left-over from when udl_get_edid returned the amount of bytes
successfully read, which it no longer does.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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The buffer passed to usb_control_msg may end up in scatter-gather list, and
may thus not be on the stack. Having it on the stack usually works on x86, but
not on other archs.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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udldrmfb only reads the main EDID block, and if that advertises extensions
the drm_edid code expects them to be present, and starts reading beyond the
buffer udldrmfb passes it.
Although it may be possible to read more EDID info with the udl we simpy don't
know how, and even if trial and error gets it working on one device, that is
no guarantee it will work on other revisions. So this patch does a simple fix
in the form of patching the EDID info to report 0 extension blocks, this
fixes udldrmfb only doing 1024x768 on monitors with EDID extension blocks.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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into drm-next
Fixes for UMS mode which has been broken for a while plus an rn50 fix
and a dma fix.
* 'drm-fixes-3.8' of git://people.freedesktop.org/~agd5f/linux:
radeon/kms: fix dma relocation checking
radeon/kms: force rn50 chip to always report connected on analog output
drm/radeon: fix error path in kpage allocation
drm/radeon: fix a bogus kfree
drm/radeon: fix NULL pointer dereference in UMS mode
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git://anongit.freedesktop.org/git/nouveau/linux-2.6 into drm-next
Regression fixes since rework mostly.
* 'drm-nouveau-fixes' of git://anongit.freedesktop.org/git/nouveau/linux-2.6:
drm/nvc0/fb: fix crash when different mutex is used to protect same list
drm/nouveau/clock: fix support for more than 2 monitors on nve0
drm/nv50/disp: fix selection of bios script for analog outputs
drm/nv17-50: restore fence buffer on resume
drm/nouveau: fix blank LVDS screen regression on pre-nv50 cards
drm/nouveau: fix nouveau_client allocation failure path
drm/nouveau: don't return freed object from nouveau_handle_create
drm/nouveau/vm: fix memory corruption when pgt allocation fails
drm/nouveau: add locking around instobj list operations
drm/nouveau: do not forcibly power on lvds panels
drm/nouveau/devinit: ensure legacy vga control is enabled during post
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Simple fix to add support for Crucible Technologies COMET Caller ID
USB decoder - a device containing FTDI USB/Serial converter chip,
handling 1200bps CallerID messages decoded from the phone line -
adding correct USB PID is sufficient.
Tested to apply cleanly and work flawlessly against 3.6.9, 3.7.0-rc8
and 3.8.0-rc3 on both amd64 and x86 arches.
Signed-off-by: Tomasz Mloduchowski <q@qdot.me>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fixes regression introduced in commit 861d2107
"drm/nouveau/fb: merge fb/vram and port to subdev interfaces"
nv50_fb_vram_{new,del} functions were changed to use
nouveau_subdev->mutex instead of the old nouveau_mm->mutex.
nvc0_fb_vram_new still uses the nouveau_mm->mutex, but nvc0 doesn't
have its own fb_vram_del function, using nv50_fb_vram_del instead.
Because of this, on nvc0 a different mutex ends up being used to protect
additions and deletions to the same list.
This patch is a -stable candidate for 3.7.
Signed-off-by: Aleksi Torhamo <aleksi@torhamo.net>
Reported-by: Roy Spliet <r.spliet@student.tudelft.nl>
Tested-by: Roy Spliet <r.spliet@student.tudelft.nl>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Cc: stable@vger.kernel.org
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Fixes regression introduced in commit 70790f4f
"drm/nouveau/clock: pull in the implementation from all over the place"
When code was moved from nv50_crtc_set_clock to nvc0_clock_pll_set,
the PLLs it is used for got limited to only the first two VPLLs.
nv50_crtc_set_clock was only called to change VPLLs, so it didn't
limit what it was used for in any way. Since nvc0_clock_pll_set is
used for all PLLs, it has to specify which PLLs the code is used for,
and only listed the first two VPLLs.
Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=58735
This patch is a -stable candidate for 3.7.
Signed-off-by: Aleksi Torhamo <aleksi@torhamo.net>
Tested-by: Aleksi Torhamo <aleksi@torhamo.net>
Tested-by: Sean Santos <quantheory@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Cc: stable@vger.kernel.org
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Analog output number was overwritten by value from digital output path.
Fix it.
Fixes resume from s2ram: https://bugs.freedesktop.org/show_bug.cgi?id=58729
(as stumbled on by J Binder, Pontus Fuchs and me)
Fixes blank screen on module load (reported by Sune Mølgaard).
Fixes regression from commit 186ecad21c854385823a430b1402053ae7fd59dc
("drm/nv50/disp: move remaining interrupt handling into core").
Reported-by: J Binder <wheel@herr-der-mails.de>
Reported-by: Pontus Fuchs <pontus.fuchs@gmail.com>
Reported-by: Sune Mølgaard <sune@molgaard.org>
Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Tested-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Tested-by: Sune Mølgaard <sune@molgaard.org>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Since commit 5e120f6e4b3f35b741c5445dfc755f50128c3c44 "drm/nouveau/fence:
convert to exec engine, and improve channel sync" nouveau fence sync
implementation for nv17-50 and nvc0+ started to rely on state of fence buffer
left by previous sync operation. But as pinned bo's (where fence state is
stored) are not saved+restored across suspend/resume, we need to do it
manually.
nvc0+ was fixed by commit d6ba6d215a538a58f0f0026f0961b0b9125e8042
"drm/nvc0/fence: restore pre-suspend fence buffer context on resume".
Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=50121
Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Cc: stable@vger.kernel.org
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Commit 2a44e499 ("drm/nouveau/disp: introduce proper init/fini, separate
from create/destroy") started to call display init routines on pre-nv50
hardware on module load. But LVDS init code sets driver state in a way
which prevents modesetting code from operating properly.
nv04_display_init calls nv04_dfp_restore, which sets encoder->last_dpms to
NV_DPMS_CLEARED.
drm_crtc_helper_set_mode
nv04_dfp_prepare
nv04_lvds_dpms(DRM_MODE_DPMS_OFF)
nv04_lvds_dpms checks last_dpms mode (which is NV_DPMS_CLEARED) and wrongly
assumes it's a "powersaving mode", the new one (DRM_MODE_DPMS_OFF) is too,
so it skips calling some crucial lvds scripts.
Reported-by: Chris Paulson-Ellis <chris@edesix.com>
Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Cc: stable@vger.kernel.org
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Depending on the point of failure, freed object would be returned
or memory leak would happen.
Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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