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2010-10-18Update broken web addresses in the kernel.Justin P. Mattock4-5/+4
The patch below updates broken web addresses in the kernel Signed-off-by: Justin P. Mattock <justinmattock@gmail.com> Cc: Maciej W. Rozycki <macro@linux-mips.org> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Finn Thain <fthain@telegraphics.com.au> Cc: Randy Dunlap <rdunlap@xenotime.net> Cc: Matt Turner <mattst88@gmail.com> Cc: Dimitry Torokhov <dmitry.torokhov@gmail.com> Cc: Mike Frysinger <vapier.adi@gmail.com> Acked-by: Ben Pfaff <blp@cs.stanford.edu> Acked-by: Hans J. Koch <hjk@linutronix.de> Reviewed-by: Finn Thain <fthain@telegraphics.com.au> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2010-09-23ida: document IDA_BITMAP_LONGS calculationNamhyung Kim1-2/+5
IDA_BITMAP_LONGS value is calculated take into account struct ida_bitmap not to waste memory space. Comment it. Signed-off-by: Namhyung Kim <namhyung@gmail.com> Acked-by: Tejun Heo <tj@kernel.org> Acked-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2010-09-21Fix various typos of valid in commentsNikanth Karthikesan1-1/+1
Fix various typos of valid. Signed-off-by: Nikanth Karthikesan <knikanth@suse.de> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2010-08-18Fix spelling mistake in jhashAnton Blanchard1-1/+1
Fix a spelling mistake. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2010-08-16include/video/vga.h: update web address.Justin P. Mattock1-1/+1
The below updates a broken web address to one(hopefully) thats the new correct address. Signed-off-by: Justin P. Mattock <justinmattock@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2010-08-10i2c.h: fix kernel-doc warningsRandy Dunlap1-0/+2
Fix kernel-doc warnings in linux/i2c.h: Warning(include/linux/i2c.h:176): No description found for parameter 'alert' Warning(include/linux/i2c.h:259): No description found for parameter 'of_node' Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-10Merge branch 'for-2.6.36' of git://git.kernel.dk/linux-2.6-blockLinus Torvalds13-315/+461
* 'for-2.6.36' of git://git.kernel.dk/linux-2.6-block: (149 commits) block: make sure that REQ_* types are seen even with CONFIG_BLOCK=n xen-blkfront: fix missing out label blkdev: fix blkdev_issue_zeroout return value block: update request stacking methods to support discards block: fix missing export of blk_types.h writeback: fix bad _bh spinlock nesting drbd: revert "delay probes", feature is being re-implemented differently drbd: Initialize all members of sync_conf to their defaults [Bugz 315] drbd: Disable delay probes for the upcomming release writeback: cleanup bdi_register writeback: add new tracepoints writeback: remove unnecessary init_timer call writeback: optimize periodic bdi thread wakeups writeback: prevent unnecessary bdi threads wakeups writeback: move bdi threads exiting logic to the forker thread writeback: restructure bdi forker loop a little writeback: move last_active to bdi writeback: do not remove bdi from bdi_list writeback: simplify bdi code a little writeback: do not lose wake-ups in bdi threads ... Fixed up pretty trivial conflicts in drivers/block/virtio_blk.c and drivers/scsi/scsi_error.c as per Jens.
2010-08-10Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6Linus Torvalds10-22/+732
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (94 commits) V4L/DVB: tvp7002: fix write to H-PLL Feedback Divider LSB register V4L/DVB: dvb: siano: free spinlock before schedule() V4L/DVB: media: video: pvrusb2: remove custom hex_to_bin() V4L/DVB: drivers: usbvideo: remove custom implementation of hex_to_bin() V4L/DVB: Report supported QAM modes on bt8xx V4L/DVB: media: ir-keytable: null dereference in debug code V4L/DVB: ivtv: convert to the new control framework V4L/DVB: ivtv: convert gpio subdev to new control framework V4L/DVB: wm8739: convert to the new control framework V4L/DVB: cs53l32a: convert to new control framework V4L/DVB: wm8775: convert to the new control framework V4L/DVB: cx2341x: convert to the control framework V4L/DVB: cx25840: convert to the new control framework V4L/DVB: cx25840/ivtv: replace ugly priv control with s_config V4L/DVB: saa717x: convert to the new control framework V4L/DVB: msp3400: convert to the new control framework V4L/DVB: saa7115: convert to the new control framework V4L/DVB: v4l2: hook up the new control framework into the core framework V4L/DVB: Documentation: add v4l2-controls.txt documenting the new controls API V4L/DVB: v4l2-ctrls: Whitespace cleanups ...
2010-08-10Merge git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdogLinus Torvalds1-0/+3
* git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog: watchdog: hpwdt: formatting of pointers in printk() watchdog: Adding support for ARM Primecell SP805 Watchdog watchdog: f71808e_wdt: new watchdog driver for Fintek F71808E and F71882FG watchdog: sch311x_wdt.c: set parent before registeriing the misc device in probe() function watchdog: wdt_pci.c: move ids to pci_ids.h watchdog: s3c2410_wdt - Fix removing of platform device
2010-08-10Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/inputLinus Torvalds2-22/+33
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: xpad - add USB-ID for PL-3601 Xbox 360 pad Input: cy8ctmg100_ts - signedness bug Input: elantech - report position also with 3 fingers Input: elantech - discard the first 2 positions on some firmwares Input: adxl34x - do not mark device as disabled on startup Input: gpio_keys - add hooks to enable/disable device Input: evdev - rearrange ioctl handling Input: dynamically allocate ABS information Input: switch to input_abs_*() access functions Input: add static inline accessors for ABS properties
2010-08-10Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6Linus Torvalds8-19/+107
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (148 commits) USB: serial: fix stalled writes USB: remove fake "address-of" expressions USB: fix thread-unsafe anchor utiliy routines USB: usbtest: support test device with only one iso-in or iso-out endpoint USB: usbtest: avoid to free coherent buffer in atomic context USB: xhci: Set DMA mask for host. USB: xhci: Don't flush doorbell writes. USB: xhci: Reduce reads and writes of interrupter registers. USB: xhci: Make xhci_set_hc_event_deq() static. USB: xhci: Minimize HW event ring dequeue pointer writes. USB: xhci: Make xhci_handle_event() static. USB: xhci: Remove unnecessary reads of IRQ_PENDING register. USB: xhci: Performance - move xhci_work() into xhci_irq() USB: xhci: Performance - move interrupt handlers into xhci-ring.c USB: xhci: Performance - move functions that find ep ring. USB:: fix linux/usb.h kernel-doc warnings USB: add USB serial ssu100 driver USB: usb-storage: implement autosuspend USB: ehci: fix remove of ehci debugfs dir USB: Add USB 2.0 to ssb ohci driver ...
2010-08-10Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6Linus Torvalds12-21/+202
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6: (68 commits) U6715 16550A serial driver support Char: nozomi, set tty->driver_data appropriately Char: nozomi, fix tty->count counting serial: max3107: Fix gpiolib support hsu: call PCI pm hooks in suspend/resume function hsu: some code cleanup hsu: add a periodic timer to check dma rx channel hsu: driver for Medfield High Speed UART device mxser: remove unnesesary NULL check serial: add support for OX16PCI958 card serial: 68328serial.c: remove dead (ALMA_ANS | DRAGONIXVZ | M68EZ328ADS) timbuart: use __devinit and __devexit macros for probe and remove serial: MMIO32 support for 8250_early.c serial: mcf: don't take spinlocks in already protected functions serial: general fixes in the serial_rs485 structure serial: fix missing bit coverage of ASYNC_FLAGS serial: "altera_uart: simplify altera_uart_console_putc()" checkpatch fixes serial: crisv10: formatting of pointers in printk() vt: Fix warning: statement with no effect due to vt_kern.h tty_io: remove casts from void* ...
2010-08-10USB:: fix linux/usb.h kernel-doc warningsRandy Dunlap1-0/+3
Fix kernel-doc warnings in linux/usb.h: Warning(include/linux/usb.h:185): No description found for parameter 'resetting_device' Warning(include/linux/usb.h:1212): No description found for parameter 'stream_id' Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-08-10USB delay init quirk for logitech Harmony 700-series devicesPhil Dibowitz1-0/+4
The Logitech Harmony 700 series needs an extra delay during initialization. This patch adds a USB quirk which enables such a delay and adds the device to the quirks list. Signed-off-by: Phil Dibowitz <phil@ipom.com> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-08-10USB: otg/ulpi: extend the generic ulpi driver.Igor Grinberg2-7/+39
1) Introduce ulpi specific flags for control of the ulpi phy 2) Extend the generic ulpi driver with support for Function and Interface control of upli phy 3) Update the platforms using the generic ulpi driver with new ulpi flags 4) Remove the otg control flags not in use Signed-off-by: Igor Grinberg <grinberg@compulab.co.il> Signed-off-by: Mike Rapoport <mike@compulab.co.il> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-08-10USB: ulpi: fix compilation warningAjay Kumar Gupta1-0/+1
Fixes below compilation warning from ulpi.h include/linux/usb/ulpi.h:145: warning: 'struct otg_io_access_ops' declared inside parameter list include/linux/usb/ulpi.h:145: warning: its scope is only this definition or declaration, which is probably not what you want Signed-off-by: Ajay Kumar Gupta <ajay.gupta@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-08-10USB: fix race between root-hub wakeup & controller suspendAlan Stern1-0/+2
This patch (as1395) adds code to hcd_pci_suspend() for handling wakeup races. This is another general race pattern, similar to the "open vs. unregister" race we're all familiar with. Here, the race is between suspending a device and receiving a wakeup request from one of the device's suspended children. In particular, if a root-hub wakeup is requested at about the same time as the corresponding USB controller is suspended, and if the controller is enabled for wakeup, then the controller should either fail to suspend or else wake right back up again. During system sleep this won't happen very much, especially since host controllers generally aren't enabled for wakeup during sleep. However it is definitely an issue for runtime PM. Something like this will be needed to prevent the controller from autosuspending while waiting for a root-hub resume to take place. (That is, in fact, the common case, for which there is an extra test.) Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-08-10USB: add do_wakeup parameter for PCI HCD suspendAlan Stern1-1/+1
This patch (as1385) adds a "do_wakeup" parameter to the pci_suspend method used by PCI-based host controller drivers. ehci-hcd in particular needs to know whether or not to enable wakeup when suspending a controller. Although that information is currently available through device_may_wakeup(), when support is added for runtime suspend this will no longer be true. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-08-10USB: convert usb_hcd bitfields into atomic flagsAlan Stern1-5/+17
This patch (as1393) converts several of the single-bit fields in struct usb_hcd to atomic flags. This is for safety's sake; not all CPUs can update bitfield values atomically, and these flags are used in multiple contexts. The flag fields that are set only during registration or removal can remain as they are, since non-atomic accesses at those times will not cause any problems. (Strictly speaking, the authorized_default flag should become atomic as well. I didn't bother with it because it gets changed only via sysfs. It can be done later, if anyone wants.) Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-08-10USB: gadget: composite: added disconnect callbackMichal Nazarewicz1-0/+2
Added a disconnect() callback to composite devices which is called by composite glue when its disconnect callback is called by gadget. Signed-off-by: Michal Nazarewicz <m.nazarewicz@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Acked-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-08-10USB: gadget: composite: usb_string_ids_*() functions addedMichal Nazarewicz1-0/+4
usb_string_ids_tab() and usb_string_ids_n() functions added to the composite framework. The first accepts an array of usb_string object and for each registeres a string id and the second registeres a given number of ids and returns the first. This may simplify string ids registration since gadgets and composite functions won't have to call usb_string_id() several times and each time check for errer status -- all this will be done with a single call. Signed-off-by: Michal Nazarewicz <m.nazarewicz@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-08-10USB: gadget: f_fs: functionfs_add() renamed to functionfs_bind_config()Michal Nazarewicz1-3/+3
FunctionFS had a bit unique name for function used to add it to USB configuration. Renamed as to match naming convention of other functions. Signed-off-by: Michal Nazarewicz <m.nazarewicz@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-08-10USB-BKL: Convert usb_driver ioctl to unlocked_ioctlAndi Kleen1-1/+1
And audit all the users. None needed the BKL. That was easy because there was only very few around. Tested with allmodconfig build on x86-64 Signed-off-by: Andi Kleen <ak@linux.intel.com> Cc: Arnd Bergmann <arnd@arndb.de> From: Andi Kleen <ak@linux.intel.com>
2010-08-10USB: EHCI: EHCI 1.1 addendum: Basic LPM feature supportAlek Du1-0/+4
With this patch, the LPM capable EHCI host controller can put device into L1 sleep state which is a mode that can enter/exit quickly, and reduce power consumption. Signed-off-by: Jacob Pan <jacob.jun.pan@intel.com> Signed-off-by: Alek Du <alek.du@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-08-10USB: EHCI: EHCI 1.1 addendum: preparationAlek Du1-0/+23
EHCI 1.1 addendum introduced several energy efficiency extensions for EHCI USB host controllers: 1. LPM (link power management) 2. Per-port change 3. Shorter periodic frame list 4. Hardware prefetching This patch is intended to define the HW bits and debug interface for EHCI 1.1 addendum. The LPM and Per-port change patches will be sent out after this patch. Signed-off-by: Jacob Pan <jacob.jun.pan@intel.com> Signed-off-by: Alek Du <alek.du@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-08-10USB: otg.h: Fix the mixup in parameters order.Igor Grinberg1-2/+2
otg_io_write() function does not follow the declaration of struct otg_io_access_ops. Signed-off-by: Igor Grinberg <grinberg@compulab.co.il> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-08-10USB: don't stop root-hub status polls too soonAlan Stern1-0/+1
This patch (as1390) fixes a problem that crops up when a UHCI host controller is unbound from uhci-hcd while there are still some active URBs. The URBs have to be unlinked when the root hub is unregistered, and uhci-hcd relies upon root-hub status polls as part of its unlinking procedure. But usb_hcd_poll_rh_status() won't make those status calls if hcd->rh_registered is clear, and the flag is cleared _before_ the unregistration takes place. Since hcd->rh_registered is used for other things and needs to be cleared early, the solution is to add a new flag (rh_pollable) and use it instead. It gets cleared _after_ the root hub is unregistered. Now that the status polls don't end too soon, we have to make sure they also don't occur too late -- after the root hub's usb_device structure or the HCD's private structures are deallocated. Therefore the patch adds usb_get_device() and usb_put_device() calls to protect the root hub structure, and it adds an extra del_timer_sync() to prevent the root-hub timer from causing an unexpected status poll. This additional complexity would not be needed if the HCD framework had provided separate stop() and release() callbacks instead of just stop(). This lack could be fixed at some future time (although it would require changes to every host controller driver); when that happens this patch won't be needed any more. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-08-10Merge branch 'bkl/ioctl' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracingLinus Torvalds1-0/+1
* 'bkl/ioctl' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing: staging: Pushdown bkl to easycap ioctl handlers autofs/autofs4: Move compat_ioctl handling into fs v4l: Convert v4l2-dev to unlocked_ioctl ia64/perfmon: Convert to unlocked_ioctl sunrpc: Remove duplicated #include ncpfs: Remove duplicated #include
2010-08-10U6715 16550A serial driver supportPhilippe Langlais3-1/+10
UART Features extract from STEricsson U6715 data-sheet (arm926 SoC for mobile phone): * Fully compatible with industry standard 16C550 and 16C450 from various manufacturers * RX and TX 64 byte FIFO reduces CPU interrupts * Full double buffering * Modem control signals include CTS, RTS, (and DSR, DTR on UART1 only) * Automatic baud rate selection * Manual or automatic RTS/CTS smart hardware flow control * Programmable serial characteristics: – Baud rate generation (50 to 3.25M baud) – 5, 6, 7 or 8-bit characters – Even, odd or no-parity bit generation and detection – 1, 1.5 or 2 stop bit generation * Independent control of transmit, receive, line status, data set interrupts and FIFOs * Full status-reporting capabilities * Separate DMA signaling for RX and TX * Timed interrupt to spread receive interrupt on known duration * DMA time-out interrupt to allow detection of end of reception * Carkit pulse coding and decoding compliant with USB carkit control interface [40] In 16550A auto-configuration, if the fifo size is 64 then it's an U6 16550A port Add set_termios hook & export serial8250_do_set_termios to change uart clock following baudrate Signed-off-by: Philippe Langlais <philippe.langlais@stericsson.com> Acked-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-08-10hsu: driver for Medfield High Speed UART deviceFeng Tang3-0/+65
This is a PCI & UART driver, which suppors both PIO and DMA mode UART operation. It has 3 identical UART ports and one internal DMA controller. Current FW will export 4 pci devices for hsu: 3 uart ports and 1 dma controller, each has one IRQ line. And we need to discuss the device model, one PCI device covering whole HSU should be a better model, but there is a problem of how to export the 4 IRQs info Current driver set the highest baud rate to 2746800bps, which is easy to scale down to 115200/230400.... To suport higher baud rate, we need add special process, change DLAB/DLH/PS/DIV/MUL registers all together. 921600 is the highest baud rate that has been tested with Bluetooth modem connected to HSU port 0. Will test more when there is right BT firmware. Current version contains several work around for A0's Silicon bugs Signed-off-by: Feng Tang <feng.tang@intel.com> Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-08-10serial: general fixes in the serial_rs485 structureClaudio Scordino1-1/+3
Fix several issues related to the RS485 interface: - It adds the flag SER_RS485_RTS_BEFORE_SEND that was missing from the serial_rs485 structure (even if "delay_rts_before_send" was existing) - It adds a further "delay_rts_after_send" field for those drivers that can have a delay after send (e.g., atmel_serial) - It fixes the usage of the structure in the atmel_serial driver (where "delay_rts_before_send" should be used instead of "delay_rts_after_send"). Signed-off-by: Claudio Scordino <claudio@evidence.eu.com> Signed-off-by: Bernhard Roth <br@pwrnet.de> Cc: Philippe De Muyter <phdm@macqel.be> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-08-10serial: fix missing bit coverage of ASYNC_FLAGSJohn Villalovos1-1/+1
It seems that currently ASYNC_FLAGS is one bit short of covering all the bits of the ASYNC user flags. In particular it does not cover the ASYNC_AUTOPROBE bit. ASYNCB_LAST_USER and ASYNCB_AUTOPROBE are both equal to 15. Therefore: ASYNC_AUTOPROBE = 1000 0000 0000 0000 ASYNC_FLAGS = 0111 1111 1111 1111 So ASYNC_FLAGS is not covering the ASYNC_AUTOPROBE bit. This patch fixes the issue and with the patch the values will be: ASYNC_AUTOPROBE = 1000 0000 0000 0000 ASYNC_FLAGS = 1111 1111 1111 1111 As a side note, doing a "git grep" I didn't find any use of ASYNC_AUTOPROBE or ASYNCB_AUTOPROBE in the kernel, besides this include file. Signed-off-by: John Villalovos <john.l.villalovos@intel.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-08-10vt: Fix warning: statement with no effect due to vt_kern.hKevin Winchester1-11/+46
Using: gcc (GCC) 4.5.0 20100610 (prerelease) with CONFIG_CONSOLE_TRANSLATIONS=n, the following warnings are seen: drivers/char/vt_ioctl.c: In function ‘vt_ioctl’: drivers/char/vt_ioctl.c:1309:4: warning: statement with no effect drivers/char/vt.c: In function ‘vc_allocate’: drivers/char/vt.c:774:3: warning: statement with no effect drivers/video/console/vgacon.c: In function ‘vgacon_init’: drivers/video/console/vgacon.c:587:3: warning: statement with no effect drivers/video/console/vgacon.c: In function ‘vgacon_deinit’: drivers/video/console/vgacon.c:606:2: warning: statement with no effect drivers/video/console/fbcon.c: In function ‘fbcon_init’: drivers/video/console/fbcon.c:1087:3: warning: statement with no effect drivers/video/console/fbcon.c:1089:3: warning: statement with no effect drivers/video/console/fbcon.c: In function ‘fbcon_set_disp’: drivers/video/console/fbcon.c:1369:3: warning: statement with no effect drivers/video/console/fbcon.c:1371:3: warning: statement with no effect This is because several functions in include/linux/vt_kern.h are defined to (0). Convert them to static inline functions to silence the warnings and gain a bit of type safety. Signed-off-by: Kevin Winchester <kjwinchester@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-08-10serial: max3107: Abstract out the platform specific bitsAlan Cox1-0/+4
At the moment there is only one platform type supported and there is is hard wired, but with these changes the infrastructure is now there for anyone else to provide methods for their hardware. Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-08-10tty: implement BTM as mutex instead of BKLArnd Bergmann1-13/+5
The tty locking now follows the rules for mutexes, so we can replace the BKL usage with a new subsystem wide mutex. Using a regular mutex here will change the behaviour when blocked on the BTM from spinning to sleeping, but that should not be visible to the user. Using the mutex also means that all the BTM is now covered by lockdep. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-08-10tty: remove tty_lock_nestedArnd Bergmann1-15/+1
This changes all remaining users of tty_lock_nested to be non-recursive, which lets us kill this function. As a consequence, we won't need to keep the lock count any more, which allows more simplifications later. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-08-10tty: introduce wait_event_interruptible_ttyArnd Bergmann1-0/+42
Calling wait_event_interruptible implicitly releases the BKL when it sleeps, but we need to do this explcitly when we have converted it to a mutex. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-08-10tty: replace BKL with a new tty_lockArnd Bergmann1-0/+31
As a preparation for replacing the big kernel lock in the TTY layer, wrap all the callers in new macros tty_lock, tty_lock_nested and tty_unlock. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-08-10tty: Move the vt_tty field from the vc_data into the standard tty_portAlan Cox1-1/+0
This takes all the tty references through the expected interface points so we can refcount them. Signed-off-by: Alan Cox <alan@linux.intel.com> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-08-10tty: Make vt's have a tty_portAlan Cox1-0/+2
The vt layer isn't safely handling reference counts to tty object on the input side. Add a tty port structure to the vt layer in order to implement this using the standard helpers. Signed-off-by: Alan Cox <alan@linux.intel.com> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-08-10tty: serial - fix tty referencing in set_ldiscAlan Cox1-1/+1
Pass down the ldisc number so that the drivers don't have to peek into the tty object themselves. This lets us get rid of another case of back referencing port to tty which we don't want (because of races versus hangup/close). Signed-off-by: Alan Cox <alan@linux.intel.com> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-08-10istallion: use bit ops for the board flagsAlan Cox1-1/+1
This lets us avoid problems with races on the flag changes Signed-off-by: Alan Cox <alan@linux.intel.com> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-08-10vt/console: try harder to print output when panicingJesse Barnes3-0/+12
Jesse's initial patch commit said: "At panic time (i.e. when oops_in_progress is set) we should try a bit harder to update the screen and make sure output gets to the VT, since some drivers are capable of flipping back to it. So make sure we try to unblank and update the display if called from a panic context." I've enhanced this to add a flag to the vc that console layer can set to indicate they want this behaviour to occur. This also adds support to fbcon for that flag and adds an fb flag for drivers to indicate they want to use the support. It enables this for KMS drivers. Signed-off-by: Dave Airlie <airlied@redhat.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Acked-by: James Simmons <jsimmons@infradead.org> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-08-10tty: Add EXTPROC support for LINEMODEhyc@symas.com3-0/+4
This patch is against the 2.6.34 source. Paraphrased from the 1989 BSD patch by David Borman @ cray.com: These are the changes needed for the kernel to support LINEMODE in the server. There is a new bit in the termios local flag word, EXTPROC. When this bit is set, several aspects of the terminal driver are disabled. Input line editing, character echo, and mapping of signals are all disabled. This allows the telnetd to turn off these functions when in linemode, but still keep track of what state the user wants the terminal to be in. New ioctl: TIOCSIG Generate a signal to processes in the current process group of the pty. There is a new mode for packet driver, the TIOCPKT_IOCTL bit. When packet mode is turned on in the pty, and the EXTPROC bit is set, then whenever the state of the pty is changed, the next read on the master side of the pty will have the TIOCPKT_IOCTL bit set. This allows the process on the server side of the pty to know when the state of the terminal has changed; it can then issue the appropriate ioctl to retrieve the new state. Since the original BSD patches accompanied the source code for telnet I've left that reference here, but obviously the feature is useful for any remote terminal protocol, including ssh. The corresponding feature has existed in the BSD tty driver since 1989. For historical reference, a good copy of the relevant files can be found here: http://anonsvn.mit.edu/viewvc/krb5/trunk/src/appl/telnet/?pathrev=17741 Signed-off-by: Howard Chu <hyc@symas.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-08-10tty: Remove Hayes ESP ioctlsJeff Dike1-4/+2
Remove Hayes ESP ioctls The Hayes ESP driver has been removed from the tree: commit f53a2ade0bb9f2a81f473e6469155172a96b7c38 ("tty: esp: remove broken driver") so its ioctls aren't needed any more. Signed-off-by: Jeff Dike <jdike@linux.intel.com> Acked-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-08-10Merge branch 'writable_limits' of git://decibel.fi.muni.cz/~xslaby/linuxLinus Torvalds5-5/+23
* 'writable_limits' of git://decibel.fi.muni.cz/~xslaby/linux: unistd: add __NR_prlimit64 syscall numbers rlimits: implement prlimit64 syscall rlimits: switch more rlimit syscalls to do_prlimit rlimits: redo do_setrlimit to more generic do_prlimit rlimits: add rlimit64 structure rlimits: do security check under task_lock rlimits: allow setrlimit to non-current tasks rlimits: split sys_setrlimit rlimits: selinux, do rlimits changes under task_lock rlimits: make sure ->rlim_max never grows in sys_setrlimit rlimits: add task_struct to update_rlimit_cpu rlimits: security, add task_struct to setrlimit Fix up various system call number conflicts. We not only added fanotify system calls in the meantime, but asm-generic/unistd.h added a wait4 along with a range of reserved per-architecture system calls.
2010-08-10Merge git://git.infradead.org/mtd-2.6Linus Torvalds21-47/+248
* git://git.infradead.org/mtd-2.6: (79 commits) mtd: Remove obsolete <mtd/compatmac.h> include mtd: Update copyright notices jffs2: Update copyright notices mtd-physmap: add support users can assign the probe type in board files mtd: remove redwood map driver mxc_nand: Add v3 (i.MX51) Support mxc_nand: support 8bit ecc mxc_nand: fix correct_data function mxc_nand: add V1_V2 namespace to registers mxc_nand: factor out a check_int function mxc_nand: make some internally used functions overwriteable mxc_nand: rework get_dev_status mxc_nand: remove 0xe00 offset from registers mtd: denali: Add multi connected NAND support mtd: denali: Remove set_ecc_config function mtd: denali: Remove unuseful code in get_xx_nand_para functions mtd: denali: Remove device_info_tag structure mtd: m25p80: add support for the Winbond W25Q32 SPI flash chip mtd: m25p80: add support for the Intel/Numonyx {16,32,64}0S33B SPI flash chips mtd: m25p80: add support for the EON EN25P{32, 64} SPI flash chips ... Fix up trivial conflicts in drivers/mtd/maps/{Kconfig,redwood.c} due to redwood driver removal.
2010-08-10Merge branch 'for-linus' of git://git.infradead.org/users/eparis/notifyLinus Torvalds11-339/+360
* 'for-linus' of git://git.infradead.org/users/eparis/notify: (132 commits) fanotify: use both marks when possible fsnotify: pass both the vfsmount mark and inode mark fsnotify: walk the inode and vfsmount lists simultaneously fsnotify: rework ignored mark flushing fsnotify: remove global fsnotify groups lists fsnotify: remove group->mask fsnotify: remove the global masks fsnotify: cleanup should_send_event fanotify: use the mark in handler functions audit: use the mark in handler functions dnotify: use the mark in handler functions inotify: use the mark in handler functions fsnotify: send fsnotify_mark to groups in event handling functions fsnotify: Exchange list heads instead of moving elements fsnotify: srcu to protect read side of inode and vfsmount locks fsnotify: use an explicit flag to indicate fsnotify_destroy_mark has been called fsnotify: use _rcu functions for mark list traversal fsnotify: place marks on object in order of group memory address vfs/fsnotify: fsnotify_close can delay the final work in fput fsnotify: store struct file not struct path ... Fix up trivial delete/modify conflict in fs/notify/inotify/inotify.c.
2010-08-10Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6Linus Torvalds10-88/+62
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: (96 commits) no need for list_for_each_entry_safe()/resetting with superblock list Fix sget() race with failing mount vfs: don't hold s_umount over close_bdev_exclusive() call sysv: do not mark superblock dirty on remount sysv: do not mark superblock dirty on mount btrfs: remove junk sb_dirt change BFS: clean up the superblock usage AFFS: wait for sb synchronization when needed AFFS: clean up dirty flag usage cifs: truncate fallout mbcache: fix shrinker function return value mbcache: Remove unused features add f_flags to struct statfs(64) pass a struct path to vfs_statfs update VFS documentation for method changes. All filesystems that need invalidate_inode_buffers() are doing that explicitly convert remaining ->clear_inode() to ->evict_inode() Make ->drop_inode() just return whether inode needs to be dropped fs/inode.c:clear_inode() is gone fs/inode.c:evict() doesn't care about delete vs. non-delete paths now ... Fix up trivial conflicts in fs/nilfs2/super.c
2010-08-10block: make sure that REQ_* types are seen even with CONFIG_BLOCK=nJens Axboe1-1/+2
These form the basis of the basic WRITE etc primitives, so we need them to be always visible. Otherwise we see errors like: mm/filemap.c:2164: error: 'REQ_WRITE' undeclared fs/read_write.c:362: error: 'REQ_WRITE' undeclared fs/splice.c:1108: error: 'REQ_WRITE' undeclared fs/aio.c:1496: error: 'REQ_WRITE' undeclared Reported-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
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