Pull workqueue updates from Tejun Heo:
"A lot of activities on workqueue side this time. The changes achieve
the followings.
- WQ_UNBOUND workqueues - the workqueues which are per-cpu - are
updated to be able to interface with multiple backend worker pools.
This involved a lot of churning but the end result seems actually
neater as unbound workqueues are now a lot closer to per-cpu ones.
- The ability to interface with multiple backend worker pools are
used to implement unbound workqueues with custom attributes.
Currently the supported attributes are the nice level and CPU
affinity. It may be expanded to include cgroup association in
future. The attributes can be specified either by calling
apply_workqueue_attrs() or through /sys/bus/workqueue/WQ_NAME/* if
the workqueue in question is exported through sysfs.
The backend worker pools are keyed by the actual attributes and
shared by any workqueues which share the same attributes. When
attributes of a workqueue are changed, the workqueue binds to the
worker pool with the specified attributes while leaving the work
items which are already executing in its previous worker pools
alone.
This allows converting custom worker pool implementations which
want worker attribute tuning to use workqueues. The writeback pool
is already converted in block tree and there are a couple others
are likely to follow including btrfs io workers.
- WQ_UNBOUND's ability to bind to multiple worker pools is also used
to make it NUMA-aware. Because there's no association between work
item issuer and the specific worker assigned to execute it, before
this change, using unbound workqueue led to unnecessary cross-node
bouncing and it couldn't be helped by autonuma as it requires tasks
to have implicit node affinity and workers are assigned randomly.
After these changes, an unbound workqueue now binds to multiple
NUMA-affine worker pools so that queued work items are executed in
the same node. This is turned on by default but can be disabled
system-wide or for individual workqueues.
Crypto was requesting NUMA affinity as encrypting data across
different nodes can contribute noticeable overhead and doing it
per-cpu was too limiting for certain cases and IO throughput could
be bottlenecked by one CPU being fully occupied while others have
idle cycles.
While the new features required a lot of changes including
restructuring locking, it didn't complicate the execution paths much.
The unbound workqueue handling is now closer to per-cpu ones and the
new features are implemented by simply associating a workqueue with
different sets of backend worker pools without changing queue,
execution or flush paths.
As such, even though the amount of change is very high, I feel
relatively safe in that it isn't likely to cause subtle issues with
basic correctness of work item execution and handling. If something
is wrong, it's likely to show up as being associated with worker pools
with the wrong attributes or OOPS while workqueue attributes are being
changed or during CPU hotplug.
While this creates more backend worker pools, it doesn't add too many
more workers unless, of course, there are many workqueues with unique
combinations of attributes. Assuming everything else is the same,
NUMA awareness costs an extra worker pool per NUMA node with online
CPUs.
There are also a couple things which are being routed outside the
workqueue tree.
- block tree pulled in workqueue for-3.10 so that writeback worker
pool can be converted to unbound workqueue with sysfs control
exposed. This simplifies the code, makes writeback workers
NUMA-aware and allows tuning nice level and CPU affinity via sysfs.
- The conversion to workqueue means that there's no 1:1 association
between a specific worker, which makes writeback folks unhappy as
they want to be able to tell which filesystem caused a problem from
backtrace on systems with many filesystems mounted. This is
resolved by allowing work items to set debug info string which is
printed when the task is dumped. As this change involves unifying
implementations of dump_stack() and friends in arch codes, it's
being routed through Andrew's -mm tree."
* 'for-3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq: (84 commits)
workqueue: use kmem_cache_free() instead of kfree()
workqueue: avoid false negative WARN_ON() in destroy_workqueue()
workqueue: update sysfs interface to reflect NUMA awareness and a kernel param to disable NUMA affinity
workqueue: implement NUMA affinity for unbound workqueues
workqueue: introduce put_pwq_unlocked()
workqueue: introduce numa_pwq_tbl_install()
workqueue: use NUMA-aware allocation for pool_workqueues
workqueue: break init_and_link_pwq() into two functions and introduce alloc_unbound_pwq()
workqueue: map an unbound workqueues to multiple per-node pool_workqueues
workqueue: move hot fields of workqueue_struct to the end
workqueue: make workqueue->name[] fixed len
workqueue: add workqueue->unbound_attrs
workqueue: determine NUMA node of workers accourding to the allowed cpumask
workqueue: drop 'H' from kworker names of unbound worker pools
workqueue: add wq_numa_tbl_len and wq_numa_possible_cpumask[]
workqueue: move pwq_pool_locking outside of get/put_unbound_pool()
workqueue: fix memory leak in apply_workqueue_attrs()
workqueue: fix unbound workqueue attrs hashing / comparison
workqueue: fix race condition in unbound workqueue free path
workqueue: remove pwq_lock which is no longer used
...
Merge first batch of fixes from Andrew Morton:
- A couple of kthread changes
- A few minor audit patches
- A number of fbdev patches. Florian remains AWOL so I'm picking up
some of these.
- A few kbuild things
- ocfs2 updates
- Almost all of the MM queue
(And in the meantime, I already have the second big batch from Andrew
pending in my mailbox ;^)
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (149 commits)
memcg: take reference before releasing rcu_read_lock
mem hotunplug: fix kfree() of bootmem memory
mmKconfig: add an option to disable bounce
mm, nobootmem: do memset() after memblock_reserve()
mm, nobootmem: clean-up of free_low_memory_core_early()
fs/buffer.c: remove unnecessary init operation after allocating buffer_head.
numa, cpu hotplug: change links of CPU and node when changing node number by onlining CPU
mm: fix memory_hotplug.c printk format warning
mm: swap: mark swap pages writeback before queueing for direct IO
swap: redirty page if page write fails on swap file
mm, memcg: give exiting processes access to memory reserves
thp: fix huge zero page logic for page with pfn == 0
memcg: avoid accessing memcg after releasing reference
fs: fix fsync() error reporting
memblock: fix missing comment of memblock_insert_region()
mm: Remove unused parameter of pages_correctly_reserved()
firmware, memmap: fix firmware_map_entry leak
mm/vmstat: add note on safety of drain_zonestat
mm: thp: add split tail pages to shrink page list in page reclaim
mm: allow for outstanding swap writeback accounting
...
existing platforms, as well as adoption of the framework by new
platforms and devices. Some long-needed fixes to the core framework are
here as well as new features such as improved initialization of clocks
from DT as well as framework reentrancy for nested clock operations.
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Merge tag 'clk-for-linus-3.10' of git://git.linaro.org/people/mturquette/linux
Pull clock framework update from Michael Turquette:
"The common clock framework changes for 3.10 include many fixes for
existing platforms, as well as adoption of the framework by new
platforms and devices.
Some long-needed fixes to the core framework are here as well as new
features such as improved initialization of clocks from DT as well as
framework reentrancy for nested clock operations."
* tag 'clk-for-linus-3.10' of git://git.linaro.org/people/mturquette/linux: (44 commits)
clk: add clk_ignore_unused option to keep boot clocks on
clk: ux500: fix mismatched types
clk: vexpress: Add separate SP810 driver
clk: si5351: make clk-si5351 depend on CONFIG_OF
clk: export __clk_get_flags for modular clock providers
clk: vt8500: Missing breaks in vtwm_pll_round_rate/_set_rate.
clk: sunxi: Unify oscillator clock
clk: composite: allow fixed rates & fixed dividers
clk: composite: rename 'div' references to 'rate'
clk: add si5351 i2c common clock driver
clk: add device tree fixed-factor-clock binding support
clk: Properly handle notifier return values
clk: ux500: abx500: Define clock tree for ab850x
clk: ux500: Add support for sysctrl clocks
clk: mvebu: Fix valid value range checking for cpu_freq_select
clk: Fixup locking issues for clk_set_parent
clk: Fixup errorhandling for clk_set_parent
clk: Restructure code for __clk_reparent
clk: sunxi: drop an unnecesary kmalloc
clk: sunxi: drop CLK_IGNORE_UNUSED
...
A fairly quiet release for SPI, mainly driver work. A few highlights:
- Supports bits per word compatibility checking in the core.
- Allow use of the IP used in Freescale SPI controllers outside
Freescale SoCs.
- DMA support for the Atmel SPI driver.
- New drivers for the BCM2835 and Tegra114.
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Merge tag 'spi-v3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi updates from Mark Brown:
"A fairly quiet release for SPI, mainly driver work. A few highlights:
- Supports bits per word compatibility checking in the core.
- Allow use of the IP used in Freescale SPI controllers outside
Freescale SoCs.
- DMA support for the Atmel SPI driver.
- New drivers for the BCM2835 and Tegra114"
* tag 'spi-v3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (68 commits)
spi-topcliff-pch: fix to use list_for_each_entry_safe() when delete list items
spi-topcliff-pch: missing platform_driver_unregister() on error in pch_spi_init()
ARM: dts: add pinctrl property for spi node for atmel SoC
ARM: dts: add spi nodes for the atmel boards
ARM: dts: add spi nodes for atmel SoC
ARM: at91: add clocks for spi dt entries
spi/spi-atmel: add dmaengine support
spi/spi-atmel: add flag to controller data for lock operations
spi/spi-atmel: add physical base address
spi/sirf: fix MODULE_DEVICE_TABLE
MAINTAINERS: Add git repository and update my address
spi/s3c64xx: Check for errors in dmaengine prepare_transfer()
spi/s3c64xx: Fix non-dmaengine usage
spi: omap2-mcspi: fix error return code in omap2_mcspi_probe()
spi/s3c64xx: let device core setup the default pin configuration
MAINTAINERS: Update Grant's email address and maintainership
spi: omap2-mcspi: Fix transfers if DMADEVICES is not set
spi: s3c64xx: move to generic dmaengine API
spi-gpio: init CS before spi_bitbang_setup()
spi: spi-mpc512x-psc: let transmiter/receiver enabled when in xfer loop
...
The diffstat and changelog here is dominated by Lee Jones' heroic
efforts to sync the ab8500 driver that's been maintained out of tree
with mainline (plus Axel's cleanup work on the results) but there's a
few other things here:
- Axel Lin added regulator_map_voltage_ascend() optimising a common
pattern for drivers using the core code.
- Milo Kim tought the regulator core to handle regulators sharing an
enable GPIO, avoiding the need to do hacks to support such systems.
- Andrew Bresticker added code to handle missing supplies for regulators
more sensibly for device tree systems, reducing the need for stubbing
there.
plus the usual batch of driver specific updates and fixes.
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Merge tag 'regulator-v3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator updates from Mark Brown:
"The diffstat and changelog here is dominated by Lee Jones' heroic
efforts to sync the ab8500 driver that's been maintained out of tree
with mainline (plus Axel's cleanup work on the results) but there's a
few other things here:
- Axel Lin added regulator_map_voltage_ascend() optimising a common
pattern for drivers using the core code.
- Milo Kim tought the regulator core to handle regulators sharing an
enable GPIO, avoiding the need to do hacks to support such systems.
- Andrew Bresticker added code to handle missing supplies for
regulators more sensibly for device tree systems, reducing the need
for stubbing there.
plus the usual batch of driver specific updates and fixes"
* tag 'regulator-v3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (152 commits)
regulator: mc13892: Fix MC13892_SWITCHERS0_SWxHI bit in set_voltage_sel
regulator: Remove NULL test before calling regulator_unregister()
regulator: mc13783: Add device tree probe support
regulator: mc13xxx: Add warning of incorrect names of regulators
regulator: max77686: Don't update max77686->opmode if update register fails
regulator: max8952: Add missing config.of_node setting for regulator register
regulator: ab3100: Fix regulator register error handling
regulator: tps6524x: Use regulator_map_voltage_ascend
regulator: lp8788-buck: Use regulator_map_voltage_ascend
regulator: lp872x: Use regulator_map_voltage_ascend
regulator: mc13892: Use regulator_map_voltage_ascend for mc13892_sw_regulator_ops
regulator: tps65023: Use regulator_map_voltage_ascend
regulator: tps65023: Merge tps65020 ldo1 and ldo2 vsel table
regulator: tps6507x: Use regulator_map_voltage_ascend
regulator: mc13892: Fix MC13892_SWITCHERS0_SWxHI bit in set_voltage_sel
regulator: ab3100: device tree support
regulator: ab3100: refactor probe to use IDs
regulator: max8973: Don't override control1 variable when set ramp delay bits
regulator: tps80031: Convert tps80031_dcdc_ops to [get|set]_voltage_sel_regmap
regulator: tps80031: Fix LDO2 track mode for TPS80031 or TPS80032-ES1.0
...
In user visible terms just a couple of enhancements here, though there
was a moderate amount of refactoring required in order to support the
register cache sync performance improvements.
- Support for block and asynchronous I/O during register cache syncing;
this provides a use case dependant performance improvement.
- Additional debugfs information on the memory consuption and register
set.
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Merge tag 'regmap-v3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap
Pull regmap updates from Mark Brown:
"In user visible terms just a couple of enhancements here, though there
was a moderate amount of refactoring required in order to support the
register cache sync performance improvements.
- Support for block and asynchronous I/O during register cache
syncing; this provides a use case dependant performance
improvement.
- Additional debugfs information on the memory consuption and
register set"
* tag 'regmap-v3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap: (23 commits)
regmap: don't corrupt work buffer in _regmap_raw_write()
regmap: cache: Fix format specifier in dev_dbg
regmap: cache: Make regcache_sync_block_raw static
regmap: cache: Write consecutive registers in a single block write
regmap: cache: Split raw and non-raw syncs
regmap: cache: Factor out block sync
regmap: cache: Factor out reg_present support from rbtree cache
regmap: cache: Use raw I/O to sync rbtrees if we can
regmap: core: Provide regmap_can_raw_write() operation
regmap: cache: Provide a get address of value operation
regmap: Cut down on the average # of nodes in the rbtree cache
regmap: core: Make raw write available to regcache
regmap: core: Warn on invalid operation combinations
regmap: irq: Clarify error message when we fail to request primary IRQ
regmap: rbtree Expose total memory consumption in the rbtree debugfs entry
regmap: debugfs: Add a registers `range' file
regmap: debugfs: Simplify calculation of `c->max_reg'
regmap: cache: Store caches in native register format where possible
regmap: core: Split out in place value parsing
regmap: cache: Use regcache_get_value() to check if we updated
...
nr_pages is not used in pages_correctly_reserved().
So remove it.
Signed-off-by: Tang Chen <tangchen@cn.fujitsu.com>
Reviewed-by: Wang Shilong <wangsl-fnst@cn.fujitsu.com>
Reviewed-by: Wen Congyang <wency@cn.fujitsu.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
When hot removing memory, a firmware_map_entry which has memory range of
the memory is released by release_firmware_map_entry(). If the entry is
allocated by bootmem, release_firmware_map_entry() adds the entry to
map_entires_bootmem list when firmware_map_find_entry() finds the entry
from map_entries list. But firmware_map_find_entry never find the entry
sicne map_entires list does not have the entry. So the entry just
leaks.
Here are steps of leaking firmware_map_entry:
firmware_map_remove()
-> firmware_map_find_entry()
Find released entry from map_entries list
-> firmware_map_remove_entry()
Delete the entry from map_entries list
-> remove_sysfs_fw_map_entry()
...
-> release_firmware_map_entry()
-> firmware_map_find_entry()
Find the entry from map_entries list but the entry has been
deleted from map_entries list. So the entry is not added
to map_entries_bootmem. Thus the entry leaks
release_firmware_map_entry() should not call firmware_map_find_entry()
since releaed entry has been deleted from map_entries list. So the
patch delete firmware_map_find_entry() from releae_firmware_map_entry()
Signed-off-by: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
Reviewed-by: Wanpeng Li <liwanp@linux.vnet.ibm.com>
Reviewed-by: Tang Chen <tangchen@cn.fujitsu.com>
Acked-by: Toshi Kani <toshi.kani@hp.com>
Cc: Wen Congyang <wency@cn.fujitsu.com>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
__remove_pages() is only necessary for CONFIG_MEMORY_HOTREMOVE. PowerPC
pseries will return -EOPNOTSUPP if unsupported.
Adding an #ifdef causes several other functions it depends on to also
become unnecessary, which saves in .text when disabled (it's disabled in
most defconfigs besides powerpc, including x86). remove_memory_block()
becomes static since it is not referenced outside of
drivers/base/memory.c.
Build tested on x86 and powerpc with CONFIG_MEMORY_HOTREMOVE both enabled
and disabled.
Signed-off-by: David Rientjes <rientjes@google.com>
Acked-by: Toshi Kani <toshi.kani@hp.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Wen Congyang <wency@cn.fujitsu.com>
Cc: Tang Chen <tangchen@cn.fujitsu.com>
Cc: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Squishes a warning which my change to hotplug_memory_notifier() added.
I want to keep that warning, because it is punishment for failnig to check
the hotplug_memory_notifier() return value.
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Removed legacy hw definitions in hw/mmp_ctrl.h. These definitions are
for earlier soc versions and are not supported in this driver.
Signed-off-by: Zhou Zhu <zzhu3@marvell.com>
Cc: Paul Bolle <pebolle@tiscali.nl>
Cc: Lisa Du <cldu@marvell.com>
Cc: Guoqing Li <ligq@marvell.com>
Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Remove the __init tags from the ep93xxfb_calc_fbsize() and
ep93xxfb_alloc_videomem() functions to fix the section mismatch
warnings.
Use module_platform_driver() to remove the init/exit boilerplate.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ryan Mallon <rmallon@gmail.com>
Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Use the newly introduced devm_ioremap_resource() instead of
devm_request_and_ioremap() which provides more consistent error
handling.
devm_ioremap_resource() provides its own error messages; so all explicit
error messages can be removed from the failure code paths.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Donghwa Lee <dh09.lee@samsung.com>
Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Reviewed-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This is the driver for the Hyper-V Synthetic Video, which supports
screen resolution up to Full HD 1920x1080 on Windows Server 2012 host,
and 1600x1200 on Windows Server 2008 R2 or earlier. It also solves the
double mouse cursor issue of the emulated video mode.
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Reviewed-by: K. Y. Srinivasan <kys@microsoft.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Cc: Olaf Hering <olaf@aepfle.de>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
With make W=1 we get
drivers/video/console/fbcon_cw.c: In function `cw_update_attr':
drivers/video/console/fbcon_cw.c:30:8: warning: variable `t' set but not used [-Wunused-but-set-variable]
fixed by removing as since its used nowhere
Signed-off-by: Devendra Naga <devendra.aaru@gmail.com>
Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Convert the struct i2c_msg initialization to C99 format. This makes
maintaining and editing the code simpler. Also helps once other fields
like transferred are added in future.
Thanks to Julia Lawall for automating the conversion.
Signed-off-by: Shubhrajyoti D <shubhrajyoti@ti.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Julia Lawall <julia@diku.dk>
Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Here's the big USB pull request for 3.10-rc1.
Lots of USB patches here, the majority being USB gadget changes and
USB-serial driver cleanups, the rest being ARM build fixes / cleanups,
and individual driver updates. We also finally got some chipidea fixes,
which have been delayed for a number of kernel releases, as the
maintainer has now reappeared.
All of these have been in linux-next for a while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB patches from Greg Kroah-Hartman:
"Here's the big USB pull request for 3.10-rc1.
Lots of USB patches here, the majority being USB gadget changes and
USB-serial driver cleanups, the rest being ARM build fixes / cleanups,
and individual driver updates. We also finally got some chipidea
fixes, which have been delayed for a number of kernel releases, as the
maintainer has now reappeared.
All of these have been in linux-next for a while"
* tag 'usb-3.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (568 commits)
USB: ehci-msm: USB_MSM_OTG needs USB_PHY
USB: OHCI: avoid conflicting platform drivers
USB: OMAP: ISP1301 needs USB_PHY
USB: lpc32xx: ISP1301 needs USB_PHY
USB: ftdi_sio: enable two UART ports on ST Microconnect Lite
usb: phy: tegra: don't call into tegra-ehci directly
usb: phy: phy core cannot yet be a module
USB: Fix initconst in ehci driver
usb-storage: CY7C68300A chips do not support Cypress ATACB
USB: serial: option: Added support Olivetti Olicard 145
USB: ftdi_sio: correct ST Micro Connect Lite PIDs
ARM: mxs_defconfig: add CONFIG_USB_PHY
ARM: imx_v6_v7_defconfig: add CONFIG_USB_PHY
usb: phy: remove exported function from __init section
usb: gadget: zero: put function instances on unbind
usb: gadget: f_sourcesink.c: correct a copy-paste misnomer
usb: gadget: cdc2: fix error return code in cdc_do_config()
usb: gadget: multi: fix error return code in rndis_do_config()
usb: gadget: f_obex: fix error return code in obex_bind()
USB: storage: convert to use module_usb_driver()
...
Here's the big tty/serial driver merge request for 3.10-rc1
Once again, Jiri has a number of TTY driver fixes and cleanups, and
Peter Hurley came through with a bunch of ldisc fixes that resolve a
number of reported issues. There are some other serial driver cleanups
as well.
All of these have been in the linux-next tree for a while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-3.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial driver update from Greg Kroah-Hartman:
"Here's the big tty/serial driver merge request for 3.10-rc1
Once again, Jiri has a number of TTY driver fixes and cleanups, and
Peter Hurley came through with a bunch of ldisc fixes that resolve a
number of reported issues. There are some other serial driver
cleanups as well.
All of these have been in the linux-next tree for a while"
* tag 'tty-3.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (117 commits)
tty/serial/sirf: fix MODULE_DEVICE_TABLE
serial: mxs: drop superfluous {get|put}_device
serial: mxs: fix buffer overflow
ARM: PL011: add support for extended FIFO-size of PL011-r1p5
serial_core.c: add put_device() after device_find_child()
tty: Fix unsafe bit ops in tty_throttle_safe/unthrottle_safe
serial: sccnxp: Replace pdata.init/exit with regulator API
serial: sccnxp: Do not override device name
TTY: pty, fix compilation warning
TTY: rocket, fix compilation warning
TTY: ircomm: fix DTR being raised on hang up
TTY: synclinkmp: fix DTR being raised on hang up
TTY: synclink_gt: fix DTR being raised on hang up
TTY: synclink: fix DTR being raised on hang up
serial: 8250_dw: Fix the stub for dw8250_probe_acpi()
serial: 8250_dw: Convert to devm_ioremap()
serial: 8250_dw: Set port capabilities based on CPR register
serial: 8250_dw: Let ACPI code extract the DMA client info
serial: 8250_dw: Support clk framework also with ACPI
serial: 8250_dw: Enable runtime PM
...
Here's the big staging driver tree update for 3.10-rc1
This update contains loads of comedi driver cleanups and fixes in here,
iio updates, android driver changes, and other various staging driver
cleanups.
Thanks to some drivers being removed, and the comedi driver cleanups, we
have removed more code than we added:
627 files changed, 65145 insertions(+), 76321 deletions(-)
which is always nice to see.
All of these have been in linux-next for a while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-3.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver tree update from Greg Kroah-Hartman:
"Here's the big staging driver tree update for 3.10-rc1
This update contains loads of comedi driver cleanups and fixes in
here, iio updates, android driver changes, and other various staging
driver cleanups.
Thanks to some drivers being removed, and the comedi driver cleanups,
we have removed more code than we added:
627 files changed, 65145 insertions(+), 76321 deletions(-)
which is always nice to see.
All of these have been in linux-next for a while."
* tag 'staging-3.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (940 commits)
staging: comedi: ni_labpc: fix legacy driver build
staging: comedi: das800: cleanup the cio-das802/16 fifo comments
staging: comedi: das800: rename CamelCase vars in das800_ai_do_cmd()
staging: comedi: das800: tidy up the private data
staging: comedi: das800: tidy up das800_interrupt()
staging: comedi: das800: tidy up das800_ai_insn_read()
staging: comedi: das800: tidy up das800_di_insn_bits()
staging: comedi: das800: tidy up das800_do_insn_bits()
staging: comedi: das800: remove extra divisor calculation call
staging: comedi: das800: rename {enable,disable}_das800
staging: comedi: das800: tidy up subdevice init
staging: comedi: das800: allow attaching without interrupt support
staging: comedi: das800: interrupts are required for async command support
staging: comedi: das800: tidy up das800_ai_do_cmdtest()
staging: comedi: das800: remove 'volatile' on private data variables
staging: comedi: das800: cleanup the boardinfo
staging: comedi: das800: cleanup range table declarations
staging: comedi: das800: introduce das800_ind_{write, read}()
staging: comedi: das800: remove forward declarations
staging: comedi: das800: move das800_set_frequency()
...
Here's the merge request for the driver core tree for 3.10-rc1
It's pretty small, just a number of driver core and sysfs updates and
fixes, all of which have been in linux-next for a while now.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-3.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core update from Greg Kroah-Hartman:
"Here's the merge request for the driver core tree for 3.10-rc1
It's pretty small, just a number of driver core and sysfs updates and
fixes, all of which have been in linux-next for a while now.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"
Fixed conflict in kernel/rtmutex-tester.c, the locking tree had a better
fix for the same sysfs file mode problem.
* tag 'driver-core-3.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
PM / Runtime: Idle devices asynchronously after probe|release
driver core: handle user namespaces properly with the uid/gid devtmpfs change
driver core: devtmpfs: fix compile failure with CONFIG_UIDGID_STRICT_TYPE_CHECKS
devtmpfs: add base.h include
driver core: add uid and gid to devtmpfs
sysfs: check if one entry has been removed before freeing
sysfs: fix crash_notes_size build warning
sysfs: fix use after free in case of concurrent read/write and readdir
rtmutex-tester: fix mode of sysfs files
Documentation: Add ABI entry for crash_notes and crash_notes_size
sysfs: Add crash_notes_size to export percpu note size
driver core: platform_device.h: fix checkpatch errors and warnings
driver core: platform.c: fix checkpatch errors and warnings
driver core: warn that platform_driver_probe can not use deferred probing
sysfs: use atomic_inc_unless_negative in sysfs_get_active
base: core: WARN() about bogus permissions on device attributes
device: separate all subsys mutexes
Here's the big char / misc driver update for 3.10-rc1
A number of various driver updates, the majority being new functionality
in the MEI driver subsystem (it's now a subsystem, it started out just a
single driver), extcon updates, memory updates, hyper-v updates, and a
bunch of other small stuff that doesn't fit in any other tree.
All of these have been in linux-next for a while
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-3.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver update from Greg Kroah-Hartman:
"Here's the big char / misc driver update for 3.10-rc1
A number of various driver updates, the majority being new
functionality in the MEI driver subsystem (it's now a subsystem, it
started out just a single driver), extcon updates, memory updates,
hyper-v updates, and a bunch of other small stuff that doesn't fit in
any other tree.
All of these have been in linux-next for a while"
* tag 'char-misc-3.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (148 commits)
Tools: hv: Fix a checkpatch warning
tools: hv: skip iso9660 mounts in hv_vss_daemon
tools: hv: use FIFREEZE/FITHAW in hv_vss_daemon
tools: hv: use getmntent in hv_vss_daemon
Tools: hv: Fix a checkpatch warning
tools: hv: fix checks for origin of netlink message in hv_vss_daemon
Tools: hv: fix warnings in hv_vss_daemon
misc: mark spear13xx-pcie-gadget as broken
mei: fix krealloc() misuse in in mei_cl_irq_read_msg()
mei: reduce flow control only for completed messages
mei: reseting -> resetting
mei: fix reading large reposnes
mei: revamp mei_irq_read_client_message function
mei: revamp mei_amthif_irq_read_message
mei: revamp hbm state machine
Revert "drivers/scsi: use module_pcmcia_driver() in pcmcia drivers"
Revert "scsi: pcmcia: nsp_cs: remove module init/exit function prototypes"
scsi: pcmcia: nsp_cs: remove module init/exit function prototypes
mei: wd: fix line over 80 characters
misc: tsl2550: Use dev_pm_ops
...
Added support for LTC2974, LTC3883, LM25056, TMP431, TMP432,
ADT7310, and ADT7320 to existing drivers.
Various code cleanups and minor improvements.
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Merge tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon update from Guenter Roeck:
- New drivers for NCT6775, NCT6776, NCT6779, and LM95234.
- Added support for LTC2974, LTC3883, LM25056, TMP431, TMP432, ADT7310,
and ADT7320 to existing drivers.
- Various code cleanups and minor improvements.
* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (54 commits)
hwmon: (nct6775) Fix coding style problems
hwmon: (nct6775) Constify strings
hwmon: (tmp401) Add support for TMP432
hwmon: (tmp401) Add support for update_interval attribute
hwmon: (tmp401) Reset valid flag when resetting temperature history
hwmon: (tmp401) Simplification and cleanup
hwmon: (tmp401) Use sysfs_create_group / sysfs_remove_group
hwmon: (tmp401) Drop unused defines, use BIT for bit masks
hwmon: (nct6775) Use ARRAY_SIZE for loops where possible
documentation: hwmon: Fix typo in documentation/hwmon
hwmon: (nct6775) Enable both AUXTIN and VIN3 on NCT6776
hwmon: (ad7314) use spi_get_drvdata() and spi_set_drvdata()
MAINTAINERS: Add myself as maintainer for the NCT6775 driver
hwmon: (nct6775) Expand scope of supported chips
hwmon: (gpio-fan) Use is_visible to determine if attributes should be created
hwmon: (tmp401) Fix device detection for TMP411B and TMP411C
hwmon: Add driver for LM95234
hwmon: (tmp401) Add support for TMP431
hwmon: (pmbus/lm25066) Add support for LM25056
hwmon: (pmbus/lm25066) Refactor device specific coefficients
...
- Patrice Chotard contributed a new configuration debugfs interface
and reintroduced fine-grained locking into the core: instead of
having a "big pinctrl lock" we have a per-controller lock and
specialized locks for the global controller and pinctrl handle
lists.
- Haoijan Zhuang deleted all the PXA and MMP2 pinctrl drivers and
replaced them with pinctrl-single (which is also used by other SoCs)
so we are gaining consolidation. The platform particulars now come
in through the device tree.
- Haoijan also added support for generic pin config into the
pinctrl-single driver which is another big consolidation win.
- Finally also GPIO ranges are now supported by the pinctrl-single
driver.
- Tomasz Figa contributed a new Samsung S3C pinctrl driver, bringing
more of the older Samsung platforms under the pinctrl umbrella and
out of arch/arm.
- Maxime Ripard contributed new Allwinner A10/A13 drivers.
- Sachin Kamat, Wei Yongjun and Axel Lin did a lot of cleanups.
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Merge tag 'pinctrl-for-v3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pinctrl update from Linus Walleij:
"These are the pinctrl changes for v3.10:
- Patrice Chotard contributed a new configuration debugfs interface
and reintroduced fine-grained locking into the core: instead of
having a "big pinctrl lock" we have a per-controller lock and
specialized locks for the global controller and pinctrl handle
lists.
- Haoijan Zhuang deleted all the PXA and MMP2 pinctrl drivers and
replaced them with pinctrl-single (which is also used by other
SoCs) so we are gaining consolidation. The platform particulars
now come in through the device tree.
- Haoijan also added support for generic pin config into the
pinctrl-single driver which is another big consolidation win.
- Finally also GPIO ranges are now supported by the pinctrl-single
driver.
- Tomasz Figa contributed a new Samsung S3C pinctrl driver, bringing
more of the older Samsung platforms under the pinctrl umbrella and
out of arch/arm.
- Maxime Ripard contributed new Allwinner A10/A13 drivers.
- Sachin Kamat, Wei Yongjun and Axel Lin did a lot of cleanups."
* tag 'pinctrl-for-v3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (66 commits)
pinctrl: move subsystem mutex to pinctrl_dev struct
pinctrl/pinconfig: fix misplaced goto
pinctrl: s3c64xx: Fix build error caused by undefined chained_irq_enter
pinctrl/pinconfig: add debug interface
pinctrl: abx500: fix issue when no pdata
pinctrl: pinctrl-single: add missing double quote
pinctrl: sunxi: Rename wemac functions to emac
pinctrl: exynos5440: add gpio interrupt support
pinctrl: exynos5440: fix probe failure due to missing pin-list in config nodes
pinctrl: ab8505: Staticize some symbols
pinctrl: ab8540: Staticize some symbols
pinctrl: ab9540: Staticize some symbols
pinctrl: ab8500: Staticize some symbols
pinctrl: abx500: Staticize some symbols
pinctrl: Add pinctrl-s3c64xx driver
pinctrl: samsung: Handle banks with two configuration registers
pinctrl: samsung: Remove hardcoded register offsets
pinctrl: samsung: Split pin bank description into two structures
pinctrl: samsung: Include pinctrl-exynos driver data conditionally
pinctrl: samsung: Protect bank registers with a spinlock
...
* use vm_iomap_memory() in various fb drivers to map the fb memory to userspace
* Cleanups for the videomode and display_timing features
* Updates to vt8500, wm8505 and auo-k190x fb drivers
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Merge tag 'fbdev-for-3.10' of git://gitorious.org/linux-omap-dss2/linux
Pull fbdev updates from Tomi Valkeinen:
- use vm_iomap_memory() in various fb drivers to map the fb memory to
userspace
- Cleanups for the videomode and display_timing features
- Updates to vt8500, wm8505 and auo-k190x fb drivers
* tag 'fbdev-for-3.10' of git://gitorious.org/linux-omap-dss2/linux: (36 commits)
fbdev: fix check for fb_mmap's mmio availability
fbdev: improve fb_mmap bounds checks
fbdev/ps3fb: use vm_iomap_memory()
fbdev/sgivwfb: use vm_iomap_memory()
fbdev/vermillion: use vm_iomap_memory()
fbdev/sa1100fb: use vm_iomap_memory()
fbdev/fb-puv3: use vm_iomap_memory()
fbdev/controlfb: use vm_iomap_memory()
fbdev/omapfb: use vm_iomap_memory()
video: vt8500: fix Kconfig for videomode
video/s3c: move platform_data out of arch/arm
video/exynos: remove unnecessary header inclusions
drivers/video: fsl-diu-fb: add hardware cursor support
drivers: video: use module_platform_driver_probe()
ARM: OMAP: remove "config FB_OMAP_CONSISTENT_DMA_SIZE"
video: wm8505fb: Convert to devm_ioremap_resource()
AUO-K190x: Add resolutions for portrait displays
AUO-K190x: add framebuffer rotation support
AUO-K190x: add a 16bit truecolor mode
AUO-K190x: make color handling more flexible
...
Pull s390 update from Martin Schwidefsky:
"This is the first batch of s390 patches for the 3.10 merge window.
Included are some performance enhancements: storage key
initialization, zero page cache synonyms, system call micro
optimization and the speedup patches for dasdfmt. Sebastian managed
to get rid of the special casing for the console device in the cio
layer. And the usual bunch of bug fixes."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (59 commits)
s390/pci: use pci_scan_root_bus
s390/scm_blk: fix memleak in init function
s390/scm_blk: allow more cluster size values
s390/cio: fix irq statistics
s390/memory hotplug: prevent offline of active memory increments
s390: remove small stack config option
s390: system call path micro optimization
s390: lowcore stack pointer offsets
s390/uapi: change struct statfs[64] member types to unsigned values
s390/pci: return correct dma address for offset > PAGE_SIZE
s390/ptrace: remove empty ifdefs
s390/compat: remove ptrace compat definitions from uapi header file
s390/compat: fix compile error for !COMPAT
s390/compat: fix compat_sys_statfs() memory corruption
s390/zcore: Fix HSA copy length for last block
s390/mm,gmap: segment mapping race
s390/mm,gmap: implement gmap_translate()
s390/pci: remove disable_device implementation
s390/pci: disable per default
s390/pci: return error after failed pci ops
...
- Populate the boot_params with EDD data.
- Cleanups in the IRQ code.
Bug-fixes:
- CPU hotplug offline/online in PVHVM mode.
- Re-upload processor PM data after ACPI S3 suspend/resume cycle.
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Merge tag 'stable/for-linus-3.10-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen
Pull Xen updates from Konrad Rzeszutek Wilk:
"Features:
- Populate the boot_params with EDD data.
- Cleanups in the IRQ code.
Bug-fixes:
- CPU hotplug offline/online in PVHVM mode.
- Re-upload processor PM data after ACPI S3 suspend/resume cycle."
And Konrad gets a gold star for sending the pull request early when he
thought he'd be away for the first week of the merge window (but because
of 3.9 dragging out to -rc8 he then re-sent the reminder on the first
day of the merge window anyway)
* tag 'stable/for-linus-3.10-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen:
xen: resolve section mismatch warnings in xen-acpi-processor
xen: Re-upload processor PM data to hypervisor after S3 resume (v2)
xen/smp: Unifiy some of the PVs and PVHVM offline CPU path
xen/smp/pvhvm: Don't initialize IRQ_WORKER as we are using the native one.
xen/spinlock: Disable IRQ spinlock (PV) allocation on PVHVM
xen/spinlock: Check against default value of -1 for IRQ line.
xen/time: Add default value of -1 for IRQ and check for that.
xen/events: Check that IRQ value passed in is valid.
xen/time: Fix kasprintf splat when allocating timer%d IRQ line.
xen/smp/spinlock: Fix leakage of the spinlock interrupt line for every CPU online/offline
xen/smp: Fix leakage of timer interrupt line for every CPU online/offline.
xen kconfig: fix select INPUT_XEN_KBDDEV_FRONTEND
xen: drop tracking of IRQ vector
x86/xen: populate boot_params with EDD data
This is primarily useful when there's a driver that doesn't claim clocks
properly, but the bootloader leaves them on. It's not expected to be used
in normal cases, but for bringup and debug it's very useful to have the
option to not gate unclaimed clocks that are still on.
Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
[mturquette@linaro.org: fixed up trivial merge issue]
Since we will remove items off the list using list_del_init() we need
to use a safe version of the list_for_each_entry() macro aptly named
list_for_each_entry_safe().
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Mark Brown <broonie@sirena.org.uk>
