18 Apr, 2009
6 commits
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* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6:
UIO: fix specific device driver missing statement for depmod
Driver core: remove pr_fmt() from dynamic_dev_dbg() printk
driver core: prevent device_for_each_child from oopsing
dynamic debug: resurrect old pr_debug() semantics as pr_devel()
Driver Core: early platform driver
proc: mounts_poll() make consistent to mdstat_poll
sysfs: sysfs poll keep the poll rule of regular file.
driver core: allow non-root users to listen to uevents
driver core: fix driver_match_device
sysfs: don't use global workqueue in sysfs_schedule_callback() -
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (22 commits)
WUSB: correct format of wusb_chid sysfs file
WUSB: fix oops when completing URBs for disconnected devices
WUSB: disconnect all devices when stopping a WUSB HCD
USB: whci-hcd: check return value of usb_hcd_link_urb_to_ep()
USB: whci-hcd: provide a endpoint_reset method
USB: add reset endpoint operations
USB device codes for Motorola phone.
usb-storage: fix mistake in Makefile
USB: usb-serial ch341: support for DTR/RTS/CTS
Revert USB: usb-serial ch341: support for DTR/RTS/CTS
USB: musb: fix possible panic while resuming
USB: musb: fix isochronous TXDMA (take 2)
USB: musb: sanitize clearing TXCSR DMA bits (take 2)
USB: musb: bugfixes for multi-packet TXDMA support
USB: musb_host, fix ep0 fifo flushing
USB: usb-storage: augment unusual_devs entry for Simple Tech/Datafab
USB: musb_host, minor enqueue locking fix (v2)
USB: fix oops in cdc-wdm in case of malformed descriptors
USB: qcserial: Add extra device IDs
USB: option: Add ids for D-Link DWM-652 3.5G modem
... -
Wireless USB endpoint state has a sequence number and a current
window and not just a single toggle bit. So allow HCDs to provide a
endpoint_reset method and call this or clear the software toggles as
required (after a clear halt, set configuration etc.).usb_settoggle() and friends are then HCD internal and are moved into
core/hcd.h and all device drivers call usb_reset_endpoint() instead.If the device endpoint state has been reset (with a clear halt) but
the host endpoint state has not then subsequent data transfers will
not complete. The device will only work again after it is reset or
disconnected.Signed-off-by: David Vrabel
Signed-off-by: Greg Kroah-Hartman -
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: ads7846 - fix unsafe disable_irq
Input: mainstone-wm97xx - fix condition in pen_up
Input: pc110pad - remove unused variable dev
Input: bf54x-keys - remove depreciated IRQF_SAMPLE_RANDOM flag
Input: ad7877, ad7879 - remove depreciated IRQF_SAMPLE_RANDOM flag
Input: da9034-ts - make pen {down,up} events more reliable
Input: da9034-ts - add Bin Yang as co-author of the driver
Input: atkbd - add forced release keys quirk for Samsung NC20
Input: atkbd - add forced release keys quirk for Samsung Q45
Input: gameport - fix attach driver code
Input: hp_sdc_rtc should depend on serio
Input: wm97xx - don't specify IRQF_SAMPLE_RANDOM
Input: ads7846 - introduce platform specific way to synchronize sampling
Input: remove unnecessary synchronize_rcu() call
Input: i8042 - add a DMI table for the i8042.reset option
Input: i8042 - introduce a tougher reset -
This renames include/asm-h8300/timer.h into arch/h8300/include/asm: it
was left over just because that file had been created in the -mm tree
before the whole h8300 header subdirectory had been moved, and then got
merged in the old location afterwards.(See commits e0b0f9e4ead2468f84c26332ec42b118e76af572: "h8300: update
timer handler - new files" and 758db3f2118703a1e36374dae5d58bed963e7e0d:
"[h8300] move include/asm-h8300 to arch/h8300/include/asm" for details).This also removes a left-over .gitignore file in include/asm-arm that
became stale when the ARM header files were moved (which happened in
multiple commits, just see "git log -- include/asm-arm" for details).Signed-off-by: Linus Torvalds
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* 'for-linus' of git://www.linux-m32r.org/git/takata/linux-2.6_dev:
m32r: move include/asm-m32r/* to arch/m32r/include/asm/
m32r: move include/asm-m32r headers to arch/m32r/include/asm
17 Apr, 2009
7 commits
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Move remained files, ftrace.h and swab.h, to arch/m32r/include/asm/.
Signed-off-by: Hirokazu Takata
-
Signed-off-by: Hirokazu Takata
-
…/git/tip/linux-2.6-tip
* 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
kernel/softirq.c: fix sparse warning
rcu: Make hierarchical RCU less IPI-happy -
When pr_fmt() was added to the pr_debug() code, we added it not only to the
dynamic_pr_debug() function, but also to the dynamic_dev_dbg() funciton.
However, dev_dbg() doesn't make use of pr_fmt(), so neither should
dynamic_dev_dbg().Signed-off-by: Jason Baron
Signed-off-by: Greg Kroah-Hartman -
pr_debug() used to produce zero code unless DEBUG was #defined. This is
now no longer the case in practice[1].There are places where it's useful to have debugging printks, but we don't
want them to generate any code in production kernels.So add a new macro, pr_devel(), for _devel_opment, to provide the old
semantics, ie. if the programmer doesn't explicitly enable debugging, no
code is produced.[1]: You can turn CONFIG_DYNAMIC_DEBUG off, but it's enabled in at least
one distro kernel, so it's not really a solution.Signed-off-by: Michael Ellerman
Cc: Jason Baron
Cc: Greg Banks
Signed-off-by: Andrew Morton
Signed-off-by: Greg Kroah-Hartman -
V3 of the early platform driver implementation.
Platform drivers are great for embedded platforms because we can separate
driver configuration from the actual driver. So base addresses,
interrupts and other configuration can be kept with the processor or board
code, and the platform driver can be reused by many different platforms.For early devices we have nothing today. For instance, to configure early
timers and early serial ports we cannot use platform devices. This
because the setup order during boot. Timers are needed before the
platform driver core code is available. The same goes for early printk
support. Early in this case means before initcalls.These early drivers today have their configuration either hard coded or
they receive it using some special configuration method. This is working
quite well, but if we want to support both regular kernel modules and
early devices then we need to have two ways of configuring the same
driver. A single way would be better.The early platform driver patch is basically a set of functions that allow
drivers to register themselves and architecture code to locate them and
probe. Registration happens through early_param(). The time for the
probe is decided by the architecture code.See Documentation/driver-model/platform.txt for more details.
[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Magnus Damm
Cc: Paul Mundt
Cc: Kay Sievers
Cc: David Brownell
Cc: Tejun Heo
Signed-off-by: Andrew Morton
Signed-off-by: Greg Kroah-Hartman -
The legacy old IDE ioctl API for this is a bit primitive so we try
and map stuff sensibly onto it.- Set PIO over DMA devices to report 32bit
- Add ability to change the PIO32 settings if the controller permits it
- Add that functionality into the sff drivers
- Add that functionality into the VLB legacy driver
- Turn on the 32bit PIO on the ninja32 and add support thereSigned-off-by: Alan Cox
Signed-off-by: Jeff Garzik
16 Apr, 2009
6 commits
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block_write_full_page doesn't allow the caller to control what happens
when the IO is over. This adds a new call named block_write_full_page_endio
so the buffer head end_io handler can be provided by the caller.This will be used by the ext3 data=guarded mode to do i_size updates in
a workqueue based end_io handler. end_buffer_async_write is also
exported so it can be called to do the dirty work of managing page
writeback for the higher level end_io handler.Signed-off-by: Chris Mason
Acked-by: Theodore Tso
Acked-by: Jan Kara
Signed-off-by: Linus Torvalds -
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (64 commits)
phylib: Fix delay argument of schedule_delayed_work
NET/ixgbe: Fix powering off during shutdown
NET/e1000e: Fix powering off during shutdown
NET/e1000: Fix powering off during shutdown
packet: avoid warnings when high-order page allocation fails
gianfar: stop send queue before resetting gianfar
myr10ge: again fix lro_gen_skb() alignment
declance: convert to net_device_ops
bfin_mac: convert to net_device_ops
au1000: convert to net_device_ops
atarilance: convert to net_device_ops
a2065: convert to net_device_ops
ixgbe: update real_num_tx_queues on changing num_rx_queues
ixgbe: fix tx queue index
Revert "rose: zero length frame filtering in af_rose.c"
sfc: Use correct macro to set event bitfield
sfc: Match calls to netif_napi_add() and netif_napi_del()
bonding: Remove debug printk
e1000/e1000: fix compile warning
ehea: Fix incomplete conversion to net_device_ops
... -
The default CONFIG_BUG=n version of BUG() should incorporate an empty a
do...while statement to avoid compilation weirdness.Signed-off-by: David Howells
Signed-off-by: Linus Torvalds -
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6:
ALSA: hda - Fix the cmd cache keys for amp verbs
ALSA: add missing definitions(letters) to HD-Audio.txt
ALSA: hda - Add quirk mask for Fujitsu Amilo laptops with ALC883
[ALSA] intel8x0: add one retry to the ac97_clock measurement routine
[ALSA] intel8x0: fix wrong conditions in ac97_clock measure routine
ALSA: hda - Avoid call of snd_jack_report at release
ALSA: add private_data to struct snd_jack
ALSA: snd-usb-caiaq: rename files to remove redundant information in file pathes
ALSA: snd-usb-caiaq: clean up header includes
ALSA: sound/pci: use memdup_user()
ALSA: sound/usb: use memdup_user()
ALSA: sound/isa: use memdup_user()
ALSA: sound/core: use memdup_user()
[ALSA] intel8x0: do not use zero value from PICB register
[ALSA] intel8x0: an attempt to make ac97_clock measurement more reliable
[ALSA] pcm-midlevel: Add more strict buffer position checks based on jiffies
[ALSA] hda_intel: fix unexpected ring buffer positions
ASoC: Disable S3C64xx support in Kconfig
ASoC: magician: remove un-necessary #include of pxa-regs.h and hardware.h -
* 'for-linus' of git://git.kernel.dk/linux-2.6-block: (28 commits)
cfq-iosched: add close cooperator code
cfq-iosched: log responsible 'cfqq' in idle timer arm
cfq-iosched: tweak kick logic a bit more
cfq-iosched: no need to save interrupts in cfq_kick_queue()
brd: fix cacheflushing
brd: support barriers
swap: Remove code handling bio_alloc failure with __GFP_WAIT
gfs2: Remove code handling bio_alloc failure with __GFP_WAIT
ext4: Remove code handling bio_alloc failure with __GFP_WAIT
dio: Remove code handling bio_alloc failure with __GFP_WAIT
block: Remove code handling bio_alloc failure with __GFP_WAIT
bio: add documentation to bio_alloc()
splice: add helpers for locking pipe inode
splice: remove generic_file_splice_write_nolock()
ocfs2: fix i_mutex locking in ocfs2_splice_to_file()
splice: fix i_mutex locking in generic_splice_write()
splice: remove i_mutex locking in splice_from_pipe()
splice: split up __splice_from_pipe()
block: fix SG_IO to return a proper error value
cfq-iosched: don't delay queue kick for a merged request
...
15 Apr, 2009
12 commits
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* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc:
powerpc: pseries/dtl.c should include asm/firmware.h
powerpc: Fix data-corrupting bug in __futex_atomic_op
powerpc/pseries: Set error_state to pci_channel_io_normal in eeh_report_reset()
powerpc: Allow 256kB pages with SHMEM
powerpc: Document new FSL I2C bindings and cleanup
powerpc/mm: Fix compile warning
powerpc/85xx: TQM8548: update defconfig
powerpc/85xx: TQM8548: use proper phy-handles for enet2 and enet3
powerpc/85xx: TQM85xx: correct address of LM75 I2C device nodes
powerpc: Add support for early tlbilx opcode
powerpc: Fix tlbilx opcode -
There are lots of sequences like this, especially in splice code:
if (pipe->inode)
mutex_lock(&pipe->inode->i_mutex);
/* do something */
if (pipe->inode)
mutex_unlock(&pipe->inode->i_mutex);so introduce helpers which do the conditional locking and unlocking.
Also replace the inode_double_lock() call with a pipe_double_lock()
helper to avoid spreading the use of this functionality beyond the
pipe code.This patch is just a cleanup, and should cause no behavioral changes.
Signed-off-by: Miklos Szeredi
Signed-off-by: Jens Axboe -
Remove the now unused generic_file_splice_write_nolock() function.
It's conceptually broken anyway, because splice may need to wait for
pipe events so holding locks across the whole operation is wrong.Signed-off-by: Miklos Szeredi
Signed-off-by: Jens Axboe -
Rearrange locking of i_mutex on destination and call to
ocfs2_rw_lock() so locks are only held while buffers are copied with
the pipe_to_file() actor, and not while waiting for more data on the
pipe.Signed-off-by: Miklos Szeredi
Signed-off-by: Jens Axboe -
Split up __splice_from_pipe() into four helper functions:
splice_from_pipe_begin()
splice_from_pipe_next()
splice_from_pipe_feed()
splice_from_pipe_end()splice_from_pipe_next() will wait (if necessary) for more buffers to
be added to the pipe. splice_from_pipe_feed() will feed the buffers
to the supplied actor and return when there's no more data available
(or if all of the requested data has been copied).This is necessary so that implementations can do locking around the
non-waiting splice_from_pipe_feed().This patch should not cause any change in behavior.
Signed-off-by: Miklos Szeredi
Signed-off-by: Jens Axboe -
* topic/hda:
ALSA: hda - Add quirk mask for Fujitsu Amilo laptops with ALC883
ALSA: hda - Avoid call of snd_jack_report at release
ALSA: add private_data to struct snd_jack -
* topic/jack-free-fix:
ALSA: hda - Avoid call of snd_jack_report at release
ALSA: add private_data to struct snd_jack -
* 'master' of git://git.alsa-project.org/alsa-kernel:
[ALSA] intel8x0: add one retry to the ac97_clock measurement routine
[ALSA] intel8x0: fix wrong conditions in ac97_clock measure routine
[ALSA] intel8x0: do not use zero value from PICB register
[ALSA] intel8x0: an attempt to make ac97_clock measurement more reliable
[ALSA] pcm-midlevel: Add more strict buffer position checks based on jiffies
[ALSA] hda_intel: fix unexpected ring buffer positions -
It's a somewhat twisty maze of hints and behavioural modifiers, try
and clear it up a bit with some documentation.Signed-off-by: Jens Axboe
-
It's used by DM and MD and generally useful, so move the bio list
helpers into bio.h.Signed-off-by: Christoph Hellwig
Acked-by: Alasdair G Kergon
Signed-off-by: Jens Axboe -
* 'drm-intel-next' of git://git.kernel.org/pub/scm/linux/kernel/git/anholt/drm-intel:
drm/i915: fix scheduling while holding the new active list spinlock
drm/i915: Allow tiling of objects with bit 17 swizzling by the CPU.
drm/i915: Correctly set the write flag for get_user_pages in pread.
drm/i915: Fix use of uninitialized var in 40a5f0de
drm/i915: indicate framebuffer restore key in SysRq help message
drm/i915: sync hdmi detection by hdmi identifier with 2D
drm/i915: Fix a mismerge of the IGD patch (new .find_pll hooks missed)
drm/i915: Implement batch and ring buffer dumping -
…/git/tip/linux-2.6-tip
* 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
lockdep: warn about lockdep disabling after kernel taint, fix
14 Apr, 2009
9 commits
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Updates some usb_serial_port members documentation.
Signed-off-by: Leandro Dorileo
Signed-off-by: Alan Cox
Signed-off-by: Linus Torvalds -
Added private_data and private_free fields to struct snd_jack so that
the caller can assign the data. It'll be helpful for avoiding the
double-free of the jack instance.Signed-off-by: Takashi Iwai
-
This patch fixes a hierarchical-RCU performance bug located by Anton
Blanchard. The problem stems from a misguided attempt to provide a
work-around for jiffies-counter failure. This work-around uses a per-CPU
n_rcu_pending counter, which is incremented on each call to rcu_pending(),
which in turn is called from each scheduling-clock interrupt. Each CPU
then treats this counter as a surrogate for the jiffies counter, so
that if the jiffies counter fails to advance, the per-CPU n_rcu_pending
counter will cause RCU to invoke force_quiescent_state(), which in turn
will (among other things) send resched IPIs to CPUs that have thus far
failed to pass through an RCU quiescent state.Unfortunately, each CPU resets only its own counter after sending a
batch of IPIs. This means that the other CPUs will also (needlessly)
send -another- round of IPIs, for a full N-squared set of IPIs in the
worst case every three scheduler-clock ticks until the grace period
finally ends. It is not reasonable for a given CPU to reset each and
every n_rcu_pending for all the other CPUs, so this patch instead simply
disables the jiffies-counter "training wheels", thus eliminating the
excessive IPIs.Note that the jiffies-counter IPIs do not have this problem due to
the fact that the jiffies counter is global, so that the CPU sending
the IPIs can easily reset things, thus preventing the other CPUs from
sending redundant IPIs.Note also that the n_rcu_pending counter remains, as it will continue to
be used for tracing. It may also see use to update the jiffies counter,
should an appropriate kick-the-jiffies-counter API appear.Located-by: Anton Blanchard
Tested-by: Anton Blanchard
Signed-off-by: Paul E. McKenney
Cc: anton@samba.org
Cc: akpm@linux-foundation.org
Cc: dipankar@in.ibm.com
Cc: manfred@colorfullife.com
Cc: cl@linux-foundation.org
Cc: josht@linux.vnet.ibm.com
Cc: schamp@sgi.com
Cc: niv@us.ibm.com
Cc: dvhltc@us.ibm.com
Cc: ego@in.ibm.com
Cc: laijs@cn.fujitsu.com
Cc: rostedt@goodmis.org
Cc: peterz@infradead.org
Cc: penberg@cs.helsinki.fi
Cc: andi@firstfloor.org
Cc: "Paul E. McKenney"
LKML-Reference:
Signed-off-by: Ingo Molnar -
Impact: build fix for Sparc and s390
Stephen Rothwell reported that the Sparc build broke:
In file included from kernel/panic.c:12:
include/linux/debug_locks.h: In function '__debug_locks_off':
include/linux/debug_locks.h:15: error: implicit declaration of function 'xchg'due to:
9eeba61: lockdep: warn about lockdep disabling after kernel taint
There is some inconsistency between architectures about where exactly
xchg() is defined.The traditional place is in system.h but the more logical point for it
is in atomic.h - where most architectures (especially new ones) have
it defined. These architecture also still offer it via system.h.Some, such as Sparc or s390 only have it in asm/system.h and not available
via asm/atomic.h at all.Use the widest set of headers in debug_locks.h and also include asm/system.h.
Reported-by: Stephen Rothwell
Cc: Frederic Weisbecker
Cc: "David S. Miller"
Cc: Linus Torvalds
LKML-Reference:
Signed-off-by: Ingo Molnar -
Support the Intel 854 Chipset in fbdev.
We test and use the patch on a Thomson IP1101 IPTV-Box. On the VGA-Port
we get a normal signal.Here is the link to the Mambux-Project: http://www.mambux.de
Cc: Keith Packard
Cc: Dave Airlie
Cc: Krzysztof Helt
Signed-off-by: Stefan Husemann
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
commit ddb53d48da5b0e691f35e703ac29118747f86c99 ("fbdev: remove cyblafb
driver") removed drivers/video/cyblafb.c, but not its .h fileSigned-off-by: Joe Perches
Cc: Krzysztof Helt
Cc: "Jani Monoses"
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
Impact: (nearly) trivial
The patch
commit da654b74bda14c45a7d98c731bf3c1a43b6b74e2
Author: Srinivasa Ds
Date: Tue Sep 23 15:23:52 2008 +0530signals: demultiplexing SIGTRAP signal
forgot to update the NSIGTRAP define in asm-generic/siginfo.h to the new
number of sigtrap subcodes. Nothing in the tree seems to use it, but
presumably something in user space might. So update it.Cc: Srinivasa Ds
Signed-off-by: Andi Kleen
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
Include in fiemap.h. Sam Ravnborg pointed out that this
was missing in this newly-exported header which uses the __u32 and __u64
types.Signed-off-by: Eric Sandeen
Cc: Sam Ravnborg
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
Unused after 20dcae32439384b6863c626bb3b2a09bed65b33e aka
"[PATCH] aio: remove kioctx from mm_struct".Signed-off-by: Alexey Dobriyan
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds
