18 Sep, 2010
1 commit
-
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6:
firewire: nosy: fix build when CONFIG_FIREWIRE=N
firewire: ohci: activate cycle timer register quirk on Ricoh chips
17 Sep, 2010
1 commit
-
drivers/firewire/nosy* is a stand-alone driver that does not depend on
CONFIG_FIREWIRE. Hence let make descend into drivers/firewire/ also
if that option is off.The stand-alone driver drivers/ieee1394/init_ohci1394_dma* will soon be
moved into drivers/firewire/ too and will require the same makefile fix.Side effect:
As mentioned in https://bugzilla.novell.com/show_bug.cgi?id=586172#c24
this influences the order in which either firewire-ohci or ohci1394 is
going to be bound to an OHCI-1394 controller in case of a modular build
of both drivers if no modprobe blacklist entries are configured.
However, a user of such a setup cannot expect deterministic behavior
anyway. The Kconfig help and the migration guide at
ieee1394.wiki.kernel.org recommend blacklist entries when a dual
IEEE 1394 stack build is being used. (The coexistence period of the two
stacks is planned to end soon.)Cc: Michal Marek
Signed-off-by: Stefan Richter
27 Jul, 2010
1 commit
-
Now that all arches have been converted over to use generic time via
clocksources or arch_gettimeoffset(), we can remove the GENERIC_TIME
config option and simplify the generic code.Signed-off-by: John Stultz
LKML-Reference:
Signed-off-by: Thomas Gleixner
29 May, 2010
1 commit
-
This EXPERIMENTAL driver supersedes acpi_idle on
Intel Atom Processors, Intel Core i3/i5/i7 Processors
and associated Intel Xeon processors.It does not support the Intel Core2 processor or earlier.
For kernels configured with ACPI, CONFIG_INTEL_IDLE=y
allows intel_idle to probe before the ACPI processor driver.
Booting with "intel_idle.max_cstate=0" disables intel_idle
and the system will fall back on ACPI's "acpi_idle".Typical Linux distributions load ACPI processor module early,
making CONFIG_INTEL_IDLE=m not easily useful on ACPI platforms.intel_idle probes all processors at module_init time.
Processors that are hot-added later will be limited
to using C1 in idle.Signed-off-by: Len Brown
08 May, 2010
1 commit
-
Move initialization of the virtio framework before the initialization of
mtd, so that block2mtd can be used on virtio-based block devices.Addresses https://bugzilla.kernel.org/show_bug.cgi?id=15644
Signed-off-by: Stijn Tintel
Signed-off-by: Rusty Russell
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds
09 Mar, 2010
1 commit
-
Conflicts:
arch/arm/mach-mx2/devices.c
arch/arm/mach-mx2/devices.h
sound/soc/pxa/pxa-ssp.c
08 Feb, 2010
1 commit
-
Build drivers/sh in the case of ARM-based SH-Mobile CPUs.
Shared code for the interrupt controller (INTC) and
the gpio/pinmux (PFC) is located there.Signed-off-by: Magnus Damm
Signed-off-by: Paul Mundt
15 Jan, 2010
1 commit
-
What it is: vhost net is a character device that can be used to reduce
the number of system calls involved in virtio networking.
Existing virtio net code is used in the guest without modification.There's similarity with vringfd, with some differences and reduced scope
- uses eventfd for signalling
- structures can be moved around in memory at any time (good for
migration, bug work-arounds in userspace)
- write logging is supported (good for migration)
- support memory table and not just an offset (needed for kvm)common virtio related code has been put in a separate file vhost.c and
can be made into a separate module if/when more backends appear. I used
Rusty's lguest.c as the source for developing this part : this supplied
me with witty comments I wouldn't be able to write myself.What it is not: vhost net is not a bus, and not a generic new system
call. No assumptions are made on how guest performs hypercalls.
Userspace hypervisors are supported as well as kvm.How it works: Basically, we connect virtio frontend (configured by
userspace) to a backend. The backend could be a network device, or a tap
device. Backend is also configured by userspace, including vlan/mac
etc.Status: This works for me, and I haven't see any crashes.
Compared to userspace, people reported improved latency (as I save up to
4 system calls per packet), as well as better bandwidth and CPU
utilization.Features that I plan to look at in the future:
- mergeable buffers
- zero copy
- scalability tuning: figure out the best threading model to useNote on RCU usage (this is also documented in vhost.h, near
private_pointer which is the value protected by this variant of RCU):
what is happening is that the rcu_dereference() is being used in a
workqueue item. The role of rcu_read_lock() is taken on by the start of
execution of the workqueue item, of rcu_read_unlock() by the end of
execution of the workqueue item, and of synchronize_rcu() by
flush_workqueue()/flush_work(). In the future we might need to apply
some gcc attribute or sparse annotation to the function passed to
INIT_WORK(). Paul's ack below is for this RCU usage.(Includes fixes by Alan Cox ,
David L Stevens ,
Chris Wright )Acked-by: Rusty Russell
Acked-by: Arnd Bergmann
Acked-by: "Paul E. McKenney"
Signed-off-by: Michael S. Tsirkin
Signed-off-by: David S. Miller
24 Sep, 2009
1 commit
-
* git://git.infradead.org/mtd-2.6: (58 commits)
mtd: jedec_probe: add PSD4256G6V id
mtd: OneNand support for Nomadik 8815 SoC (on NHK8815 board)
mtd: nand: driver for Nomadik 8815 SoC (on NHK8815 board)
m25p80: Add Spansion S25FL129P serial flashes
jffs2: Use SLAB_HWCACHE_ALIGN for jffs2_raw_{dirent,inode} slabs
mtd: sh_flctl: register sh_flctl using platform_driver_probe()
mtd: nand: txx9ndfmc: transfer 512 byte at a time if possible
mtd: nand: fix tmio_nand ecc correction
mtd: nand: add __nand_correct_data helper function
mtd: cfi_cmdset_0002: add 0xFF intolerance for M29W128G
mtd: inftl: fix fold chain block number
mtd: jedec: fix compilation problem with I28F640C3B definition
mtd: nand: fix ECC Correction bug for SMC ordering for NDFC driver
mtd: ofpart: Check availability of reg property instead of name property
driver/Makefile: Initialize "mtd" and "spi" before "net"
mtd: omap: adding DMA mode support in nand prefetch/post-write
mtd: omap: add support for nand prefetch-read and post-write
mtd: add nand support for w90p910 (v2)
mtd: maps: add mtd-ram support to physmap_of
mtd: pxa3xx_nand: add single-bit error corrections reporting
...
20 Sep, 2009
1 commit
-
On TI's da850/omap-l138 EVM, MAC address is stored in SPI flash.
This patch changes the initialization sequence of the drivers
by moving mtd and spi ahead of net in drivers/Makefile thereby
enabling da850/omap-l138 ethernet driver to read the MAC address
while booting.Signed-off-by: Sudhakar Rajashekhara
Signed-off-by: David Woodhouse
29 Aug, 2009
1 commit
-
drivers/sfi/sfi_core.c contains the generic SFI implementation.
It has a private header, sfi_core.h, for its own use and the
private use of future files in drivers/sfi/Signed-off-by: Feng Tang
Signed-off-by: Len Brown
19 Jun, 2009
1 commit
-
This patch adds the kernel side of the PPS support currently named
"LinuxPPS".PPS means "pulse per second" and a PPS source is just a device which
provides a high precision signal each second so that an application can
use it to adjust system clock time.Common use is the combination of the NTPD as userland program with a GPS
receiver as PPS source to obtain a wallclock-time with sub-millisecond
synchronisation to UTC.To obtain this goal the userland programs shoud use the PPS API
specification (RFC 2783 - Pulse-Per-Second API for UNIX-like Operating
Systems, Version 1.0) which in part is implemented by this patch. It
provides a set of chars devices, one per PPS source, which can be used to
get the time signal. The RFC's functions can be implemented by accessing
to these char devices.Signed-off-by: Rodolfo Giometti
Cc: David Woodhouse
Cc: Greg KH
Cc: Randy Dunlap
Cc: Kay Sievers
Acked-by: Alan Cox
Cc: Michael Kerrisk
Cc: Christoph Hellwig
Cc: Roman Zippel
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds
17 Jun, 2009
1 commit
-
Add support for the TI VLYNQ high-speed, serial and packetized bus.
This bus allows external devices to be connected to the System-on-Chip and
appear in the main system memory just like any memory mapped peripheral.
It is widely used in TI's networking and multimedia SoC, including the AR7
SoC.Signed-off-by: Eugene Konev
Signed-off-by: Florian Fainelli
Cc: Ralf Baechle
Cc: Alan Cox
Cc: Greg KH
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds
09 Jun, 2009
1 commit
-
fakehard is a really simple driver implementing only necessary
callbacks and serves the role of an example of driver for HardMAC
IEEE 802.15.4 device.Signed-off-by: Dmitry Eremin-Solenikov
Signed-off-by: Sergey Lapin
Signed-off-by: David S. Miller
30 Apr, 2009
1 commit
-
Currently drivers/media drivers are linked very early - directly after
base, block, misc, and mfd and before ata, scsi, ide, input, firewire,
usb, and i2c. This breaks static build of video4linux drivers, that use
generic CPU i2c adapter drivers and the v4l2-subdev subsystem, because
during video4linux probing the v4l2-subdev core requires a struct
i2c_adapter context, which cannot be satisfied before the i2c subsystem is
initialised. Moving drivers/media after drivers/i2c fixes this problem.The best way to trigger action is by submitting a patch:-) So, let's see
what comes out of it - on the one hand I don't see any reason why media
has to be linked this early, and nobody was able to give me one yesterday
as this problem has been discussed on linux-media, OTOH, maybe indeed it
would be better to move i2c the whole way up above media, but that'd be
much bigger of a change, I think.
--
To unsubscribe from this list: send the line "unsubscribe linux-media" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.htmlSigned-off-by: Guennadi Liakhovetski
Acked-by: Jean Delvare
Signed-off-by: Mauro Carvalho Chehab
29 Mar, 2009
1 commit
-
this patch flips the order in which sata and network drivers are initialized.
SATA probing takes quite a bit of time, and with the asynchronous infrastructure
other drivers that run after it can execute in parallel. Network drivers do tend
to take some real time talking to the hardware, so running these later is
a good thing (the sata probe then runs concurrent)This saves about 15% of my kernels boot time.
Both Dave and Jeff acked this patch and suggested it should go via the async
tree.Signed-off-by: Arjan van de Ven
Acked-by: David S. Miller
Acked-by: Jeff Garzik
09 Jan, 2009
2 commits
-
Conflicts:
drivers/misc/KconfigSigned-off-by: Len Brown
-
Move regulator earlier in link sequence.
The regulator core currently initializes as a core_initcall() to be
available early ... but then it links way late, throwing away that
benefit, so regulators available at e.g. subsys_initcall() are not
available to subsystems which need to use them.Signed-off-by: David Brownell
Acked-by: Mark Brown
Signed-off-by: Liam Girdwood
08 Jan, 2009
1 commit
-
This moves the isp1301-omap driver from the drivers/i2c/chips
directory (which will be shrinking) into a new drivers/usb/otg
directory (which will grow, with more drivers and utilities).Note that OTG infrastructure needs to be initialized before
either host or peripheral side USB support, and may be needed
before for pure host or pure peripheral configurations.Signed-off-by: David Brownell
Acked-by: Jean Delvare
Signed-off-by: Greg Kroah-Hartman
19 Dec, 2008
1 commit
-
Move x86 platform specific drivers from drivers/misc/
to a new home under drivers/platform/x86/.The community has been maintaining x86 vendor-specific
platform specific drivers under /drivers/misc/ for a few years.
The oldest ones started life under drivers/acpi.
They moved out of drivers/acpi/ because they don't actually
implement the ACPI specification, but either simply
use ACPI, or implement vendor-specific ACPI extensions.In the future we anticipate...
drivers/misc/ will go away.
other architectures will create drivers/platform/Signed-off-by: Len Brown
27 Oct, 2008
1 commit
-
* 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/dvrabel/uwb:
uwb: build UWB before USB/WUSB
24 Oct, 2008
2 commits
-
The WHCI-HCD driver in drivers/usb/host/ depends on the umc driver in
drivers/uwb/.Signed-off-by: David Vrabel
-
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (123 commits)
dock: make dock driver not a module
ACPI: fix ia64 build warning
ACPI: hack around sysfs warning with link order
ACPI suspend: fix build warning when CONFIG_ACPI_SLEEP=n
intel_menlo: fix build warning
panasonic-laptop: fix build
ACPICA: Update version to 20080926
ACPICA: Add support for zero-length buffer-to-string conversions
ACPICA: New: Validation for predefined ACPI methods/objects
ACPICA: Fix for implicit return compatibility
ACPICA: Fixed a couple memory leaks associated with "implicit return"
ACPICA: Optimize buffer allocation procedure
ACPICA: Fix possible memory leak, error exit path
ACPICA: Fix fault after mem allocation failure in AML parser
ACPICA: Remove unused ACPI register bit definition
ACPICA: Update version to 20080829
ACPICA: Fix possible memory leak in acpi_ns_get_external_pathname
ACPICA: Cleanup for internal Reference Object
ACPICA: Update comments - no functional changes
ACPICA: Update for Reference ACPI_OPERAND_OBJECT
...
23 Oct, 2008
1 commit
-
Conflicts:
MAINTAINERS
arch/x86/kernel/acpi/boot.c
arch/x86/kernel/acpi/sleep.c
drivers/acpi/Kconfig
drivers/pnp/Makefile
drivers/pnp/quirks.cSigned-off-by: Len Brown
22 Oct, 2008
1 commit
-
The Intel 7300 Memory Controller supports dynamic throttling of memory which can
be used to save power when system is idle. This driver does the memory
throttling when all CPUs are idle on such a system.Refer to "Intel 7300 Memory Controller Hub (MCH)" datasheet
for the config space description.Signed-off-by: Andy Henroid
Signed-off-by: Len Brown
Signed-off-by: Venkatesh Pallipadi
20 Oct, 2008
1 commit
-
Conflicts:
Documentation/ABI/testing/sysfs-bus-usb
drivers/Makefile
11 Oct, 2008
1 commit
-
This hooks up the drivers/staging directory to the build system
Signed-off-by: Greg Kroah-Hartman
17 Sep, 2008
1 commit
-
The Kbuild and Kconfig files.
Signed-off-by: Greg Kroah-Hartman
Signed-off-by: David Vrabel
14 Aug, 2008
1 commit
-
This patch adds support for MUSB and TUSB controllers
integrated into omap2430 and davinci. It also adds support
for external tusb6010 controller.Cc: David Brownell
Cc: Tony Lindgren
Signed-off-by: Felipe Balbi
Signed-off-by: Greg Kroah-Hartman
30 Jul, 2008
1 commit
-
This patch adds kernel build support for the regulator core.
Signed-off-by: Philipp Zabel
Signed-off-by: Liam Girdwood
26 Jul, 2008
1 commit
-
This patch adds functionality to the gpio-lib subsystem to make it
possible to enable the gpio-lib code even if the architecture code didn't
request to get it built in.The archtitecture code does still need to implement the gpiolib accessor
functions in its asm/gpio.h file. This patch adds the implementations for
x86 and PPC.With these changes it is possible to run generic GPIO expansion cards on
every architecture that implements the trivial wrapper functions. Support
for more architectures can easily be added.Signed-off-by: Michael Buesch
Cc: Benjamin Herrenschmidt
Cc: Stephen Rothwell
Cc: David Brownell
Cc: Russell King
Cc: Haavard Skinnemoen
Cc: Jesper Nilsson
Cc: Ralf Baechle
Cc: Paul Mackerras
Cc: Benjamin Herrenschmidt
Cc: Ingo Molnar
Cc: Thomas Gleixner
Cc: Jean Delvare
Cc: Samuel Ortiz
Cc: Kumar Gala
Cc: Sam Ravnborg
Cc: Adrian Bunk
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds
21 Jul, 2008
1 commit
-
Signed-off-by: Dave Airlie
14 Jul, 2008
1 commit
-
With the coming of kernel based modesetting and the memory manager stuff,
the everything in one directory approach was getting very ugly and
starting to be unmanageable.This restructures the drm along the lines of other kernel components.
It creates a drivers/gpu/drm directory and moves the hw drivers into
subdirectores. It moves the includes into an include/drm, and
sets up the unifdef for the userspace headers we should be exporting.Signed-off-by: Dave Airlie
30 Apr, 2008
1 commit
-
This adds a minimalistic braille screen reader support. This is meant to
be used by blind people e.g. on boot failures or when / cannot be mounted
etc and thus the userland screen readers can not work.[akpm@linux-foundation.org: fix exports]
Signed-off-by: Samuel Thibault
Cc: Jiri Kosina
Cc: Dmitry Torokhov
Acked-by: Alan Cox
Cc: Randy Dunlap
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds
10 Feb, 2008
1 commit
-
Sony MemoryStick cards are used in many products manufactured by Sony.
They are available both as storage and as IO expansion cards. Currently,
only MemoryStick Pro storage cards are supported via TI FlashMedia
MemoryStick interface.[mboton@gmail.com: biuld fix]
[akpm@linux-foundation.org: build fix]
Signed-off-by: Alex Dubov
Signed-off-by: Miguel Boton
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds
07 Feb, 2008
1 commit
-
Conflicts:
drivers/acpi/video.c
Signed-off-by: Len Brown
06 Feb, 2008
1 commit
-
Add an empty drivers/gpio directory for gpiolib infrastructure and GPIO
expanders. It will be populated by later patches.This won't be the only place to hold such gpio_chip code. Many external chips
add a few GPIOs as secondary functionality (such as MFD drivers) and platform
code frequently needs to closely integrate GPIO and IRQ support.This is placed *early* in the build/link sequence since it's common for other
drivers to depend on GPIOs to do their work, so they must be initialized early
in the device_initcall() sequence.Signed-off-by: David Brownell
Acked-by: Jean Delvare
Cc: Eric Miao
Cc: Sam Ravnborg
Cc: Haavard Skinnemoen
Cc: Philipp Zabel
Cc: Russell King
Cc: Ben Gardner
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds
02 Feb, 2008
1 commit
-
The Generic Thermal sysfs driver for thermal management.
Signed-off-by: Zhang Rui
Signed-off-by: Thomas Sujith
Signed-off-by: Len Brown
31 Jan, 2008
2 commits
-
* git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus: (27 commits)
lguest: use __PAGE_KERNEL instead of _PAGE_KERNEL
lguest: Use explicit includes rateher than indirect
lguest: get rid of lg variable assignments
lguest: change gpte_addr header
lguest: move changed bitmap to lg_cpu
lguest: move last_pages to lg_cpu
lguest: change last_guest to last_cpu
lguest: change spte_addr header
lguest: per-vcpu lguest pgdir management
lguest: make pending notifications per-vcpu
lguest: makes special fields be per-vcpu
lguest: per-vcpu lguest task management
lguest: replace lguest_arch with lg_cpu_arch.
lguest: make registers per-vcpu
lguest: make emulate_insn receive a vcpu struct.
lguest: map_switcher_in_guest() per-vcpu
lguest: per-vcpu interrupt processing.
lguest: per-vcpu lguest timers
lguest: make hypercalls use the vcpu struct
lguest: make write() operation smp aware
...Manual conflict resolved (maybe even correctly, who knows) in
drivers/lguest/x86/core.c -
This paves the way for multiple architecture support. Note that while
ioapic.c could potentially be shared with ia64, it is also moved.Signed-off-by: Avi Kivity
