summaryrefslogtreecommitdiff
path: root/Documentation
AgeCommit message (Collapse)Author
2010-10-22USB: teach "devices" file about Wireless and SuperSpeed USBAlan Stern
The /sys/kernel/debug/usb/devices file doesn't know about Wireless or SuperSpeed USB. This patch (as1416b) teaches it, and updates the Documentation/usb/proc_sub_info.txt file accordingly. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> CC: David Vrabel <david.vrabel@csr.com> CC: Sarah Sharp <sarah.a.sharp@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-10-22tty: Add a new file /proc/tty/consolesDr. Werner Fink
Add a new file /proc/tty/consoles to be able to determine the registered system console lines. If the reading process holds /dev/console open at the regular standard input stream the active device will be marked by an asterisk. Show possible operations and also decode the used flags of the listed console lines. Signed-off-by: Werner Fink <werner@suse.de> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-10-22add ttyprintk driverSamo Pogacnik
Ttyprintk is a pseudo TTY driver, which allows users to make printk messages, via output to ttyprintk device. It is possible to store "console" messages inline with kernel messages for better analyses of the boot process, for example. Signed-off-by: Samo Pogacnik <samo_pogacnik@t-2.net> Acked-by: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-10-22SYSFS: Allow boot time switching between deprecated and modern sysfs layoutAndi Kleen
I have some systems which need legacy sysfs due to old tools that are making assumptions that a directory can never be a symlink to another directory, and it's a big hazzle to compile separate kernels for them. This patch turns CONFIG_SYSFS_DEPRECATED into a run time option that can be switched on/off the kernel command line. This way the same binary can be used in both cases with just a option on the command line. The old CONFIG_SYSFS_DEPRECATED_V2 option is still there to set the default. I kept the weird name to not break existing config files. Also the compat code can be still completely disabled by undefining CONFIG_SYSFS_DEPRECATED_SWITCH -- just the optimizer takes care of this now instead of lots of ifdefs. This makes the code look nicer. v2: This is an updated version on top of Kay's patch to only handle the block devices. I tested it on my old systems and that seems to work. Cc: axboe@kernel.dk Signed-off-by: Andi Kleen <ak@linux.intel.com> Cc: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-10-22add Packet hub driver for Topcliff Platform controller hubMasayuki Ohtak
Packet hub driver of Topcliff PCH Topcliff PCH is the platform controller hub that is going to be used in Intel's upcoming general embedded platform. All IO peripherals in Topcliff PCH are actually devices sitting on AMBA bus. Packet hub is a special converter device in Topcliff PCH that translate AMBA transactions to PCI Express transactions and vice versa. Thus packet hub helps present all IO peripherals in Topcliff PCH as PCIE devices to IA system. Topcliff PCH has MAC address and Option ROM data. These data are in SROM which is connected to PCIE bus. Packet hub driver of Topcliff PCH can access MAC address and Option ROM data in SROM via sysfs interface. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-10-22Dynamic Debug: Introduce ddebug_query= boot parameterThomas Renninger
Dynamic debug lacks the ability to enable debug messages at boot time. One could patch initramfs or service startup scripts to write to /sys/../dynamic_debug/control, but this sucks. This patch makes it possible to pass a query in the same format one can write to /sys/../dynamic_debug/control via boot param. When dynamic debug gets initialized, this query will automatically be applied. Signed-off-by: Thomas Renninger <trenn@suse.de> Acked-by: jbaron@redhat.com Acked-by: Pekka Enberg <penberg@cs.helsinki.fi> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-10-22Merge branch 'x86-irq-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'x86-irq-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86, 32-bit: Align percpu area and irq stacks to THREAD_SIZE x86: Move alloc_desk_mask variables inside ifdef x86-32: Align IRQ stacks properly x86: Remove CONFIG_4KSTACKS x86: Always use irq stacks Fixed up trivial conflicts in include/linux/{irq.h, percpu-defs.h}
2010-10-21Merge branch 'upstream-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev * 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev: (26 commits) include/linux/libata.h: fix typo pata_bf54x: fix return type of bfin_set_devctl Drivers: ata: Makefile: replace the use of <module>-objs with <module>-y libahci: fix result_tf handling after an ATA PIO data-in command pata_sl82c105: implement sff_irq_check() method pata_sil680: implement sff_irq_check() method pata_pdc202xx_old: implement sff_irq_check() method pata_cmd640: implement sff_irq_check() method ata_piix: Add device ID for ICH4-L pata_sil680: make sil680_sff_exec_command() 'static' ata: Intel IDE-R support libata: reorder ata_queued_cmd to remove alignment padding on 64 bit builds libata: Signal that our SATL supports WRITE SAME(16) with UNMAP ata_piix: remove SIDPR locking libata: implement cross-port EH exclusion libata: add @ap to ata_wait_register() and introduce ata_msleep() ata_piix: implement LPM support libata: implement LPM support for port multipliers libata: reimplement link power management libata: implement sata_link_scr_lpm() and make ata_dev_set_feature() global ...
2010-10-21Merge branch 'upstream-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2 * 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2: (48 commits) ocfs2: Avoid to evaluate xattr block flags again. ocfs2/cluster: Release debugfs file elapsed_time_in_ms ocfs2: Add a mount option "coherency=*" to handle cluster coherency for O_DIRECT writes. Initialize max_slots early When I tried to compile I got the following warning: fs/ocfs2/slot_map.c: In function ‘ocfs2_init_slot_info’: fs/ocfs2/slot_map.c:360: warning: ‘bytes’ may be used uninitialized in this function fs/ocfs2/slot_map.c:360: note: ‘bytes’ was declared here Compiler: gcc version 4.4.3 (GCC) on Mandriva I'm not sure why this warning occurs, I think compiler don't know that variable "bytes" is initialized when it is sent by reference to ocfs2_slot_map_physical_size and it throws that ugly warning. However, a simple initialization of "bytes" variable with 0 will fix it. ocfs2: validate bg_free_bits_count after update ocfs2/cluster: Bump up dlm protocol to version 1.1 ocfs2/cluster: Show per region heartbeat elapsed time ocfs2/cluster: Add mlogs for heartbeat up/down events ocfs2/cluster: Create debugfs dir/files for each region ocfs2/cluster: Create debugfs files for live, quorum and failed region bitmaps ocfs2/cluster: Maintain bitmap of failed regions ocfs2/cluster: Maintain bitmap of quorum regions ocfs2/cluster: Track bitmap of live heartbeat regions ocfs2/cluster: Track number of global heartbeat regions ocfs2/cluster: Maintain live node bitmap per heartbeat region ocfs2/cluster: Reorganize o2hb debugfs init ocfs2/cluster: Check slots for unconfigured live nodes ocfs2/cluster: Print messages when adding/removing nodes ocfs2/cluster: Print messages when adding/removing heartbeat regions ...
2010-10-21[libata] Add ATA transport classGwendal Grignou
This is a scheleton for libata transport class. All information is read only, exporting information from libata: - ata_port class: one per ATA port - ata_link class: one per ATA port or 15 for SATA Port Multiplier - ata_device class: up to 2 for PATA link, usually one for SATA. Signed-off-by: Gwendal Grignou <gwendal@google.com> Reviewed-by: Grant Grundler <grundler@google.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2010-10-21Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (278 commits) arm: remove machine_desc.io_pg_offst and .phys_io arm: use addruart macro to establish debug mappings arm: return both physical and virtual addresses from addruart arm/debug: consolidate addruart macros for CONFIG_DEBUG_ICEDCC ARM: make struct machine_desc definition coherent with its comment eukrea_mbimxsd-baseboard: Pass the correct GPIO to gpio_free cpuimx27: fix compile when ULPI is selected mach-pcm037_eet: fix compile errors Fixing ethernet driver compilation error for i.MX31 ADS board cpuimx51: update board support mx5: add cpuimx51sd module and its baseboard iomux-mx51: fix GPIO_1_xx 's IOMUX configuration imx-esdhc: update devices registration mx51: add resources for SD/MMC on i.MX51 iomux-mx51: fix SD1 and SD2's iomux configuration clock-mx51: rename CLOCK1 to CLOCK_CCGR for better readability clock-mx51: factorize clk_set_parent and clk_get_rate eukrea_mbimxsd: add support for DVI displays cpuimx25 & cpuimx35: fix OTG port registration in host mode i.MX31 and i.MX35 : fix errate TLSbo65953 and ENGcm09472 ...
2010-10-21Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6: (26 commits) PM / Wakeup: Show wakeup sources statistics in debugfs PM: Introduce library for device-specific OPPs (v7) PM: Add sysfs attr for rechecking dev hash from PM trace PM: Lock PM device list mutex in show_dev_hash() PM / Runtime: Remove idle notification after failing suspend PM / Hibernate: Modify signature used to mark swap PM / Runtime: Reduce code duplication in core helper functions PM: Allow wakeup events to abort freezing of tasks PM: runtime: add missed pm_request_autosuspend PM / Hibernate: Make some boot messages look less scary PM / Runtime: Implement autosuspend support PM / Runtime: Add no_callbacks flag PM / Runtime: Combine runtime PM entry points PM / Runtime: Merge synchronous and async runtime routines PM / Runtime: Replace boolean arguments with bitflags PM / Runtime: Move code in drivers/base/power/runtime.c sysfs: Add sysfs_merge_group() and sysfs_unmerge_group() PM: Fix potential issue with failing asynchronous suspend PM / Wakeup: Introduce wakeup source objects and event statistics (v3) PM: Fix signed/unsigned warning in dpm_show_time() ...
2010-10-21Merge branch 'next-spi' of git://git.secretlab.ca/git/linux-2.6Linus Torvalds
* 'next-spi' of git://git.secretlab.ca/git/linux-2.6: (53 commits) spi/omap2_mcspi: Verify TX reg is empty after TX only xfer with DMA spi/omap2_mcspi: disable channel after TX_ONLY transfer in PIO mode spi/bfin_spi: namespace local structs spi/bfin_spi: init early spi/bfin_spi: check per-transfer bits_per_word spi/bfin_spi: warn when CS is driven by hardware (CPHA=0) spi/bfin_spi: cs should be always low when a new transfer begins spi/bfin_spi: fix typo in comment spi/bfin_spi: reject unsupported SPI modes spi/bfin_spi: use dma_disable_irq_nosync() in irq handler spi/bfin_spi: combine duplicate SPI_CTL read/write logic spi/bfin_spi: reset ctl_reg bits when setup is run again on a device spi/bfin_spi: push all size checks into the transfer function spi/bfin_spi: use nosync when disabling the IRQ from the IRQ handler spi/bfin_spi: sync hardware state before reprogramming everything spi/bfin_spi: save/restore state when suspending/resuming spi/bfin_spi: redo GPIO CS handling Blackfin: SPI: expand SPI bitmasks spi/bfin_spi: use the SPI namespaced bit names spi/bfin_spi: drop extra memory we don't need ...
2010-10-21Merge git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6: (22 commits) pcmcia: synclink_cs: fix information leak to userland pcmcia: don't call flush_scheduled_work() spuriously serial_cs: drop spurious flush_scheduled_work() call pcmcia/yenta: guide users in case of problems with O2-bridges pcmcia: fix unused function compile warning pcmcia: vrc4173_cardu: Fix error path for pci_release_regions and pci_disable_device pcmcia: add a few debug statements pcmcia: remove obsolete and wrong comments pcmcia: avoid messages on module (un)loading pcmcia: move driver name to struct pcmcia_driver pcmcia: remove the "Finally, report what we've done" message pcmcia: use autoconfiguration feature for ioports and iomem pcmcia: introduce autoconfiguration feature pcmcia: Documentation update pcmcia: convert pcmcia_request_configuration to pcmcia_enable_device pcmcia: move config_{base,index,regs} to struct pcmcia_device pcmcia: simplify IntType pcmcia: simplify Status, ExtStatus register access pcmcia: remove Pin, Copy configuration register access pcmcia: move Vpp setup to struct pcmcia_device ...
2010-10-21Merge branch 'irq-core-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (96 commits) apic, x86: Use BIOS settings for IBS and MCE threshold interrupt LVT offsets apic, x86: Check if EILVT APIC registers are available (AMD only) x86: ioapic: Call free_irte only if interrupt remapping enabled arm: Use ARCH_IRQ_INIT_FLAGS genirq, ARM: Fix boot on ARM platforms genirq: Fix CONFIG_GENIRQ_NO_DEPRECATED=y build x86: Switch sparse_irq allocations to GFP_KERNEL genirq: Switch sparse_irq allocator to GFP_KERNEL genirq: Make sparse_lock a mutex x86: lguest: Use new irq allocator genirq: Remove the now unused sparse irq leftovers genirq: Sanitize dynamic irq handling genirq: Remove arch_init_chip_data() x86: xen: Sanitise sparse_irq handling x86: Use sane enumeration x86: uv: Clean up the direct access to irq_desc x86: Make io_apic.c local functions static genirq: Remove irq_2_iommu x86: Speed up the irq_remapped check in hot pathes intr_remap: Simplify the code further ... Fix up trivial conflicts in arch/x86/Kconfig
2010-10-21Merge branch 'x86-vmware-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'x86-vmware-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86, paravirt: Remove alloc_pmd_clone hook, only used by VMI x86, vmware: Remove deprecated VMI kernel support Fix up trivial #include conflict in arch/x86/kernel/smpboot.c
2010-10-21Merge branch 'x86-bios-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'x86-bios-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86, bios: Make the x86 early memory reservation a kernel option x86, bios: By default, reserve the low 64K for all BIOSes
2010-10-21Merge branch 'sched-core-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (29 commits) sched: Export account_system_vtime() sched: Call tick_check_idle before __irq_enter sched: Remove irq time from available CPU power sched: Do not account irq time to current task x86: Add IRQ_TIME_ACCOUNTING sched: Add IRQ_TIME_ACCOUNTING, finer accounting of irq time sched: Add a PF flag for ksoftirqd identification sched: Consolidate account_system_vtime extern declaration sched: Fix softirq time accounting sched: Drop group_capacity to 1 only if local group has extra capacity sched: Force balancing on newidle balance if local group has capacity sched: Set group_imb only a task can be pulled from the busiest cpu sched: Do not consider SCHED_IDLE tasks to be cache hot sched: Drop all load weight manipulation for RT tasks sched: Create special class for stop/migrate work sched: Unindent labels sched: Comment updates: fix default latency and granularity numbers tracing/sched: Add sched_pi_setprio tracepoint sched: Give CPU bound RT tasks preference sched: Try not to migrate higher priority RT tasks ...
2010-10-21Merge branch 'perf-core-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (163 commits) tracing: Fix compile issue for trace_sched_wakeup.c [S390] hardirq: remove pointless header file includes [IA64] Move local_softirq_pending() definition perf, powerpc: Fix power_pmu_event_init to not use event->ctx ftrace: Remove recursion between recordmcount and scripts/mod/empty jump_label: Add COND_STMT(), reducer wrappery perf: Optimize sw events perf: Use jump_labels to optimize the scheduler hooks jump_label: Add atomic_t interface jump_label: Use more consistent naming perf, hw_breakpoint: Fix crash in hw_breakpoint creation perf: Find task before event alloc perf: Fix task refcount bugs perf: Fix group moving irq_work: Add generic hardirq context callbacks perf_events: Fix transaction recovery in group_sched_in() perf_events: Fix bogus AMD64 generic TLB events perf_events: Fix bogus context time tracking tracing: Remove parent recording in latency tracer graph options tracing: Use one prologue for the preempt irqs off tracer function tracers ...
2010-10-21Merge branch 'core-rcu-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (52 commits) sched: fix RCU lockdep splat from task_group() rcu: using ACCESS_ONCE() to observe the jiffies_stall/rnp->qsmask value sched: suppress RCU lockdep splat in task_fork_fair net: suppress RCU lockdep false positive in sock_update_classid rcu: move check from rcu_dereference_bh to rcu_read_lock_bh_held rcu: Add advice to PROVE_RCU_REPEATEDLY kernel config parameter rcu: Add tracing data to support queueing models rcu: fix sparse errors in rcutorture.c rcu: only one evaluation of arg in rcu_dereference_check() unless sparse kernel: Remove undead ifdef CONFIG_DEBUG_LOCK_ALLOC rcu: fix _oddness handling of verbose stall warnings rcu: performance fixes to TINY_PREEMPT_RCU callback checking rcu: upgrade stallwarn.txt documentation for CPU-bound RT processes vhost: add __rcu annotations rcu: add comment stating that list_empty() applies to RCU-protected lists rcu: apply TINY_PREEMPT_RCU read-side speedup to TREE_PREEMPT_RCU rcu: combine duplicate code, courtesy of CONFIG_PREEMPT_RCU rcu: Upgrade srcu_read_lock() docbook about SRCU grace periods rcu: document ways of stalling updates in low-memory situations rcu: repair code-duplication FIXMEs ...
2010-10-21Merge branch 'master' of ↵David S. Miller
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: net/core/dev.c
2010-10-21IBM Real-Time "SMI Free" mode driver -v7Vernon Mauery
After a period of RFC for this driver, I think it is ready for inclusion in the platform-driver-x86 tree, hopefully to be staged in the next merge window into Linus's tree. --Vernon ------------------------------------------------------------ IBM Real-Time "SMI Free" mode driver This driver supports the Real-Time Linux (RTL) BIOS feature. The RTL feature allows non-fatal System Management Interrupts (SMIs) to be disabled on supported IBM platforms and is intended to be coupled with a user-space daemon to monitor the hardware in a way that can be prioritized and scheduled to better suit the requirements for the system. The Device is presented as a special "_RTL_" table to the OS in the Extended BIOS Data Area. There is a simple protocol for entering and exiting the mode at runtime. This driver creates a simple sysfs interface to allow a simple entry and exit from RTL mode in the UFI/BIOS. Since the driver is specific to IBM SystemX hardware (x86- based servers) it only builds on x86 builds. To reduce the risk of loading on the wrong hardware, the module uses DMI information and checks a list of servers that are known to work. Signed-off-by: Vernon Mauery <vernux@us.ibm.com> Signed-off-by: Matthew Garrett <mjg@redhat.com>
2010-10-21Added blk-lib.c and blk-barrier.c was renamed to blk-flush.cMike Snitzer
Signed-off-by: Mike Snitzer <snitzer@redhat.com> Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
2010-10-21can-raw: add msg_flags to distinguish local trafficOliver Hartkopp
CAN has no addressing scheme. It is currently impossible for userspace to tell is a received CAN frame comes from another process on the local host, or from a remote CAN device. This patch add support for userspace applications to distinguish between 'own', 'local' and 'remote' CAN traffic. The distinction is made by returning flags in msg->msg_flags in the call to recvmsg(). The added documentation explains the introduced flags. Signed-off-by: Kurt Van Dijck <kurt.van.dijck@eia.be> Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-10-21[media] radio-mr800: fix locking orderHans Verkuil
Don't hold the lock before unregistering the device, since when the device is unregistered the datastruct containing the lock may be freed (if the refcount went to 0). Also fixed the framework documentation that erroneously suggested the wrong locking order as well. Reported-by: David Ellingsworth <david@identd.dyndns.org> Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Acked-by: David Ellingsworth <david@identd.dyndns.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-10-21V4L/DVB: v4l2: add core serialization lockHans Verkuil
Drivers can optionally set a pointer to a mutex in struct video_device. The core will use that to lock before calling open, read, write, unlocked_ioctl, poll, mmap or release. Updated the documentation as well and ensure that v4l2-event knows about the lock: it will unlock it before doing a blocking wait on an event and relock it afterwards. Ensure that the 'video_is_registered' check is done when the lock is held: a typical disconnect will take the lock as well before unregistering the device nodes, so to prevent race conditions the video_is_registered check should also be done with the lock held. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-10-21V4L/DVB: v4l2-dev: after a disconnect any ioctl call will be blockedHans Verkuil
Until now all fops except release and (unlocked_)ioctl returned an error after the device node was unregistered. Extend this as well to the ioctl fops. There is nothing useful that an application can do here and it complicates the driver code unnecessarily. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-10-21V4L/DVB: Deprecate stradis driverMauro Carvalho Chehab
The driver author seems to not worked on this driver since its conversion from 2.2 to 2.4. Nobody is known to have a stradis hardware for testing. As it still uses V4L1 API, BKL and probably some other old stuff, someone would need to work on it to preserve the driver. Instead of investing time and efforts to keep porting it to work with new API's, it seems better to just drop the driver. So, let's move it to drivers/staging and label it to die at 2.6.38, if nobody cares enough to port parallel port support to gspca or to create a new driver that uses the same gspca-cpia sub-driver. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-10-21V4L/DVB: Deprecate cpia driver (used for parallel port webcams)Mauro Carvalho Chehab
cpia driver were re-written inside gspca driver, for USB devices. The only functionality that were not migrated is the support for parallel port, as: 1) the developer didn't find any hardware; 2) it doesn't seem important to keep support for a parallel port webcam, as this is an obsolete technology; 3) the changes at gspca for it to work with parallel port would be very large; 4) this driver still uses BKL. So, let's move it to drivers/staging and label it to die at 2.6.38, if nobody cares enough to port parallel port support to gspca or to create a new driver that uses the same gspca-cpia sub-driver. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-10-21V4L/DVB: V4L Doc: removed duplicate linkHans Verkuil
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-10-21V4L/DVB: V4L Doc: correct the documentation for VIDIOC_QUERYMENUHans Verkuil
The VIDIOC_QUERYMENU documentation was not correct. EINVAL can be returned if the driver does not support some of the menu items. I.e. in a list of MPEG bitrates a driver generally supports only a subset of these. This behavior has been in place for years, but was never properly documented. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-10-21V4L/DVB: V4L Doc: document V4L2_CAP_RDS_OUTPUT capabilityHans Verkuil
We forgot to add this capability to the QUERYCAP documentation. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-10-21V4L/DVB: V4L Doc: fix DocBook syntax errorsHans Verkuil
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-10-21V4L/DVB: v4l2: Add illuminator controlsJean-François Moine
Some media devices (microscopes) may have one or many illuminators. This patch makes them controlable by the applications. Acked-by: Hans Verkuil <hverkuil@xs4all.nl> Acked-by: Andy Walls <awalls@md.metrocast.net> Signed-off-by: Jean-François Moine <moinejf@free.fr> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-10-21V4L/DVB: gspca - sonixj: Add webcam 0c45:612bAlexander Goncharov
Signed-off-by: Alexander Goncharov <alexzandersss@gmail.com> Signed-off-by: Jean-François Moine <moinejf@free.fr> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-10-21V4L/DVB: gspca - sonixj: Webcam 0c45:6102 addedJean-François Moine
Tested-by: Simon Danner <simon@danner-urloffen.de> Signed-off-by: Jean-François Moine <moinejf@free.fr> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-10-21devices.txt: Remove the old obsolete vtx device nodesMauro Carvalho Chehab
Teletext interface is provided via VBI interface for a long time. There's no need nor is there any known program using those old /dev/vtx nodes. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-10-21V4L/DVB: Documentation: update now that the vtx/videotext API has been removedHans Verkuil
Remove all references to /dev/vtx in the documentation, except for some historical comments in dev-teletext.xml. Documentation/devices.txt is not updated, this will go through Alan Cox who maintains this file. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-10-21V4L/DVB: Support or LME2510(C) DM04/QQBOX USB DVB-S BOXESMalcolm Priestley
DM04/QQBOX DVB-S USB BOX with LME2510C+SHARP:BS2F7HZ7395 or LME2510+LGTDQT-P001F tuner. [mchehab@redhat.com: Fix merge conflicts/compilation and CodingStyle issues] Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-10-21V4L/DVB: v4l: Add a v4l2_subdev host private data fieldLaurent Pinchart
The existing priv field stores subdev private data owned by the subdev driver. Host (bridge) drivers might need to store per-subdev host-specific data, such as a pointer to platform data. Add a v4l2_subdev host_priv field to store host-specific data, and rename the existing priv field to dev_priv. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-10-21V4L/DVB: Add documentation about the Ibmcam/Konica new gspca driver formatsMauro Carvalho Chehab
Cc: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-10-20Merge branch 'linus' into irq/coreIngo Molnar
Merge reason: update to almost-final-.36 Signed-off-by: Ingo Molnar <mingo@elte.hu>
2010-10-19Merge branch 'for-rmk' of ↵Russell King
git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into devel-stable Conflicts: arch/arm/mach-at91/include/mach/system.h arch/arm/mach-imx/mach-cpuimx27.c AT91 conflict resolution: Acked-by: Anders Larsen <al@alarsen.net> IMX conflict resolution confirmed by Uwe Kleine-König.
2010-10-19Merge branch 'v2.6.36-rc8' into for-2.6.37/barrierJens Axboe
Conflicts: block/blk-core.c drivers/block/loop.c mm/swapfile.c Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
2010-10-18x86: Add IRQ_TIME_ACCOUNTINGVenkatesh Pallipadi
This patch adds IRQ_TIME_ACCOUNTING option on x86 and runtime enables it when TSC is enabled. This change just enables fine grained irq time accounting, isn't used yet. Following patches use it for different purposes. Signed-off-by: Venkatesh Pallipadi <venki@google.com> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <1286237003-12406-6-git-send-email-venki@google.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2010-10-18Merge branch 'for-spi' of ↵Grant Likely
git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin into spi/next
2010-10-17Merge branch 'fix/misc' into topic/miscTakashi Iwai
2010-10-17PM: Introduce library for device-specific OPPs (v7)Nishanth Menon
SoCs have a standard set of tuples consisting of frequency and voltage pairs that the device will support per voltage domain. These are called Operating Performance Points or OPPs. The actual definitions of OPP varies over silicon versions. For a specific domain, we can have a set of {frequency, voltage} pairs. As the kernel boots and more information is available, a default set of these are activated based on the precise nature of device. Further on operation, based on conditions prevailing in the system (such as temperature), some OPP availability may be temporarily controlled by the SoC frameworks. To implement an OPP, some sort of power management support is necessary hence this library depends on CONFIG_PM. Contributions include: Sanjeev Premi for the initial concept: http://patchwork.kernel.org/patch/50998/ Kevin Hilman for converting original design to device-based. Kevin Hilman and Paul Walmsey for cleaning up many of the function abstractions, improvements and data structure handling. Romit Dasgupta for using enums instead of opp pointers. Thara Gopinath, Eduardo Valentin and Vishwanath BS for fixes and cleanups. Linus Walleij for recommending this layer be made generic for usage in other architectures beyond OMAP and ARM. Mark Brown, Andrew Morton, Rafael J. Wysocki, Paul E. McKenney for valuable improvements. Discussions and comments from: http://marc.info/?l=linux-omap&m=126033945313269&w=2 http://marc.info/?l=linux-omap&m=125482970102327&w=2 http://marc.info/?t=125809247500002&r=1&w=2 http://marc.info/?l=linux-omap&m=126025973426007&w=2 http://marc.info/?t=128152609200064&r=1&w=2 http://marc.info/?t=128468723000002&r=1&w=2 incorporated. v1: http://marc.info/?t=128468723000002&r=1&w=2 Signed-off-by: Nishanth Menon <nm@ti.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
2010-10-17PM: Add sysfs attr for rechecking dev hash from PM traceJames Hogan
If the device which fails to resume is part of a loadable kernel module it won't be checked at startup against the magic number stored in the RTC. Add a read-only sysfs attribute /sys/power/pm_trace_dev_match which contains a list of newline separated devices (usually just the one) which currently match the last magic number. This allows the device which is failing to resume to be found after the modules are loaded again. Signed-off-by: James Hogan <james@albanarts.com> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
2010-10-17PM / Runtime: Implement autosuspend supportAlan Stern
This patch (as1427) implements the "autosuspend" facility for runtime PM. A few new fields are added to the dev_pm_info structure and several new PM helper functions are defined, for telling the PM core whether or not a device uses autosuspend, for setting the autosuspend delay, and for marking periods of device activity. Drivers that do not want to use autosuspend can continue using the same helper functions as before; their behavior will not change. In addition, drivers supporting autosuspend can also call the old helper functions to get the old behavior. The details are all explained in Documentation/power/runtime_pm.txt and Documentation/ABI/testing/sysfs-devices-power. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>