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* V4L/DVB (4861): Remove the need of a STD array for drivers using video_ioctl2Mauro Carvalho Chehab2006-12-10
| | | | | | | | | | | video_ioctl2 will auto-generate standard entries at ENUM_FMT. Also, now, a driver may return a subset of the video array at the return, to be stored as the current_norm. For example, a driver may ask for V4L2_STD_PAL. At return, driver may change it to V4L2_STD_PAL_B. This way, a futher call to G_STD will return the exact detected video std. Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (4812): Detect presence of IR receiver/IR transmitter in tveepromHans Verkuil2006-12-10
| | | | | | | | Thanks to input from Steven Toth from Hauppauge the tveeprom module has been extended to detect the presence of an IR transmitter (aka IR-blaster). Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (4798): OmniVision OV7670 driverJonathan Corbet2006-12-10
| | | | | | | This patch adds a V4L2 driver for the OmniVision OV7670 camera. Signed-off-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (4797): Marvell 88ALP01 "cafe" driverJonathan Corbet2006-12-10
| | | | | | | | | A driver for the Marvell M88ALP01 "CAFE" CMOS integrated camera controller. This driver has been renamed "cafe_ccic" since my previous patch set. Signed-off-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (4796): A couple of V4L2 defines needed by Cafe Camara driverJonathan Corbet2006-12-10
| | | | | | | | | Two defines for V4L2, needed by the Cafe camera driver: 1) Add the RGB444 image format 2) Add the "init" internal command which is separate from "reset". Signed-off-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* [PATCH] Sun3: General updatesSam Creasey2006-12-09
| | | | | | | | | General compile fixes for 2.6.16 for sun3, and some updates to make the new bootloader work correctly. Tested on 3/50, 3/60, 3/80. Signed-off-by: Sam Creasey <sammy@sammy.net> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds2006-12-09
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | * master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: [NETLINK]: Put {IFA,IFLA}_{RTA,PAYLOAD} macros back for userspace. [NET_SCHED] sch_htb: turn intermediate classes into leaves [NET_SCHED] sch_cbq: deactivating when grafting, purging etc. [XFRM]: Fix XFRMGRP_REPORT to use correct multicast group. [NET]: Force a cache line split in hh_cache in SMP. [NETPOLL]: make arp replies through netpoll use mac address of sender [NETLINK]: Restore API compatibility of address and neighbour bits [AX.25]: Fix default address and broadcast address initialization. [AX.25]: Constify ax25 utility functions [BNX2]: Add an error check. [NET]: Convert hh_lock to seqlock.
| * [NETLINK]: Put {IFA,IFLA}_{RTA,PAYLOAD} macros back for userspace.David S. Miller2006-12-08
| | | | | | | | | | | | | | | | | | | | GLIBC uses them etc. They are guarded by ifndef __KERNEL__ so nobody will start accidently using them in the kernel again, it's just for userspace. Signed-off-by: David S. Miller <davem@davemloft.net>
| * [XFRM]: Fix XFRMGRP_REPORT to use correct multicast group.J Hadi Salim2006-12-08
| | | | | | | | | | | | | | | | | | | | | | XFRMGRP_REPORT uses 0x10 which is a group that belongs to events. The correct value is 0x20. We should really be using xfrm_nlgroups going forward; it was tempting to delete the definition of XFRMGRP_REPORT but it would break at least iproute2. Signed-off-by: J Hadi Salim <hadi@cyberus.ca> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [NET]: Force a cache line split in hh_cache in SMP.Eric Dumazet2006-12-08
| | | | | | | | | | | | | | | | | | | | | | hh_lock was converted from rwlock to seqlock by Stephen. To have a 100% benefit of this change, I suggest to place read mostly fields of hh_cache in a separate cache line, because hh_refcnt may be changed quite frequently on some busy machines. Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [NETLINK]: Restore API compatibility of address and neighbour bitsThomas Graf2006-12-08
| | | | | | | | | | | | | | | | Restore API compatibility due to bits moved from rtnetlink.h to separate headers. Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [AX.25]: Fix default address and broadcast address initialization.Ralf Baechle2006-12-08
| | | | | | | | | | | | | | | | | | | | | | | | Only the callsign but not the SSID part of an AX.25 address is ASCII based but Linux by initializes the SSID which should be just a 4-bit number from ASCII anyway. Fix that and convert the code to use a shared constant for both default addresses. While at it, use the same style for null_ax25_address also. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [AX.25]: Constify ax25 utility functionsRalf Baechle2006-12-08
| | | | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [NET]: Convert hh_lock to seqlock.Stephen Hemminger2006-12-08
| | | | | | | | | | | | | | | | The hard header cache is in the main output path, so using seqlock instead of reader/writer lock should reduce overhead. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* | [PATCH] add STB810 support (Philips PNX8550-based)Vitaly Wool2006-12-08
| | | | | | | | | | Signed-off-by: Vitaly Wool <vitalywool@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | [MIPS] Rename SNI_RM200_PCI to just SNI_RM preparing for more RM machinesThomas Bogendoerfer2006-12-08
|/ | | | | Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* Merge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6Linus Torvalds2006-12-08
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6: [S390] Poison init section before freeing it. [S390] Use add_active_range() and free_area_init_nodes(). [S390] Virtual memmap for s390. [S390] Update documentation for dynamic subchannel mapping. [S390] Use dev->groups for adding/removing the subchannel attribute group. [S390] Support for disconnected devices reappearing on another subchannel. [S390] subchannel lock conversion. [S390] Some preparations for the dynamic subchannel mapping patch. [S390] runtime switch for qdio performance statistics [S390] New DASD feature for ERP related logging [S390] add reset call handler to the ap bus. [S390] more workqueue fixes. [S390] workqueue fixes. [S390] uaccess_pt: add missing down_read() and convert to is_init().
| * [S390] Virtual memmap for s390.Heiko Carstens2006-12-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Virtual memmap support for s390. Inspired by the ia64 implementation. Unlike ia64 we need a mechanism which allows us to dynamically attach shared memory regions. These memory regions are accessed via the dcss device driver. dcss implements the 'direct_access' operation, which requires struct pages for every single shared page. Therefore this implementation provides an interface to attach/detach shared memory: int add_shared_memory(unsigned long start, unsigned long size); int remove_shared_memory(unsigned long start, unsigned long size); The purpose of the add_shared_memory function is to add the given memory range to the 1:1 mapping and to make sure that the corresponding range in the vmemmap is backed with physical pages. It also initialises the new struct pages. remove_shared_memory in turn only invalidates the page table entries in the 1:1 mapping. The page tables and the memory used for struct pages in the vmemmap are currently not freed. They will be reused when the next segment will be attached. Given that the maximum size of a shared memory region is 2GB and in addition all regions must reside below 2GB this is not too much of a restriction, but there is room for improvement. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
| * [S390] New DASD feature for ERP related loggingHorst Hummel2006-12-08
| | | | | | | | | | | | | | | | | | It is now possible to enable/disable ERP related logging without re-compile and re-ipl. A additional sysfs-attribute 'erplog' allows to switch the logging non-interruptive. Signed-off-by: Horst Hummel <horst.hummel@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
* | [PATCH] Generic HID layer - pb_fnmodeJiri Kosina2006-12-08
| | | | | | | | | | | | | | | | | | | | | | | | pb_fnmode parameter has to be passed to usbhid, both for compatibility reasons and also because it logically belongs there. Also removes empty hid-input.c file in drivers/usb/input. Signed-off-by: Jiri Kosina <jkosina@suse.cz> Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* | [PATCH] Generic HID layer - input and event reportingJiri Kosina2006-12-08
| | | | | | | | | | | | | | | | | | | | | | hid_input_report() was needlessly USB-specific in USB HID. This patch makes the function independent of HID implementation and fixes all the current users. Bluetooth patches comply with this prototype. Signed-off-by: Jiri Kosina <jkosina@suse.cz> Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* | [PATCH] Generic HID layer - hiddevJiri Kosina2006-12-08
| | | | | | | | | | | | | | | | | | | | | | | | | | - hiddev is USB-only (agreed with Marcel Holtmann that Bluetooth currently doesn't need it, and future planned interface (rawhid) will be more flexible and usable) - both HID and USB-hid can be now compiled as modules (wasn't possible before hiddev was fully separated from generic HID layer) Signed-off-by: Jiri Kosina <jkosina@suse.cz> Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* | [PATCH] Generic HID layer - USB APIJiri Kosina2006-12-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - 'dev' in struct hid_device changed from struct usb_device to struct device and fixed all the users - renamed functions which are part of USB HID API from 'hid_*' to 'usbhid_*' - force feedback initialization moved from common part into USB-specific driver - added usbhid.h header for USB HID API users - removed USB-specific fields from struct hid_device and moved them to new usbhid_device, which is pointed to by hid_device->driver_data - fixed all USB users to use this new structure Signed-off-by: Jiri Kosina <jkosina@suse.cz> Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* | [PATCH] Generic HID layer - APIJiri Kosina2006-12-08
| | | | | | | | | | | | | | | | | | | | | | | | | | - fixed generic API (added neccessary EXPORT_SYMBOL, fixed hid.h to provide correct prototypes) - extended hid_device with open/close/event function pointers to driver-specific functions - added driver specific driver_data to hid_device Signed-off-by: Jiri Kosina <jkosina@suse.cz> Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* | [PATCH] Generic HID layer - code splitJiri Kosina2006-12-08
| | | | | | | | | | | | | | | | | | | | The "big main" split of USB HID code into generic HID code and USB-transport specific HID handling. Signed-off-by: Jiri Kosina <jkosina@suse.cz> Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* | [PATCH] dm: suspend: add noflush pushbackKiyoshi Ueda2006-12-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In device-mapper I/O is sometimes queued within targets for later processing. For example the multipath target can be configured to store I/O when no paths are available instead of returning it -EIO. This patch allows the device-mapper core to instruct a target to transfer the contents of any such in-target queue back into the core. This frees up the resources used by the target so the core can replace that target with an alternative one and then resend the I/O to it. Without this patch the only way to change the target in such circumstances involves returning the I/O with an error back to the filesystem/application. In the multipath case, this patch will let us add new paths for existing I/O to try after all the existing paths have failed. DMF_NOFLUSH_SUSPENDING ---------------------- If the DM_NOFLUSH_FLAG ioctl option is specified at suspend time, the DMF_NOFLUSH_SUSPENDING flag is set in md->flags during dm_suspend(). It is always cleared before dm_suspend() returns. The flag must be visible while the target is flushing pending I/Os so it is set before presuspend where the flush starts and unset after the wait for md->pending where the flush ends. Target drivers can check this flag by calling dm_noflush_suspending(). DM_MAPIO_REQUEUE / DM_ENDIO_REQUEUE ----------------------------------- A target's map() function can now return DM_MAPIO_REQUEUE to request the device mapper core queue the bio. Similarly, a target's end_io() function can return DM_ENDIO_REQUEUE to request the same. This has been labelled 'pushback'. The __map_bio() and clone_endio() functions in the core treat these return values as errors and call dec_pending() to end the I/O. dec_pending ----------- dec_pending() saves the pushback request in struct dm_io->error. Once all the split clones have ended, dec_pending() will put the original bio on the md->pushback list. Note that this supercedes any I/O errors. It is possible for the suspend with DM_NOFLUSH_FLAG to be aborted while in progress (e.g. by user interrupt). dec_pending() checks for this and returns -EIO if it happened. pushdback list and pushback_lock -------------------------------- The bio is queued on md->pushback temporarily in dec_pending(), and after all pending I/Os return, md->pushback is merged into md->deferred in dm_suspend() for re-issuing at resume time. md->pushback_lock protects md->pushback. The lock should be held with irq disabled because dec_pending() can be called from interrupt context. Queueing bios to md->pushback in dec_pending() must be done atomically with the check for DMF_NOFLUSH_SUSPENDING flag. So md->pushback_lock is held when checking the flag. Otherwise dec_pending() may queue a bio to md->pushback after the interrupted dm_suspend() flushes md->pushback. Then the bio would be left in md->pushback. Flag setting in dm_suspend() can be done without md->pushback_lock because the flag is checked only after presuspend and the set value is already made visible via the target's presuspend function. The flag can be checked without md->pushback_lock (e.g. the first part of the dec_pending() or target drivers), because the flag is checked again with md->pushback_lock held when the bio is really queued to md->pushback as described above. So even if the flag is cleared after the lockless checkings, the bio isn't left in md->pushback but returned to applications with -EIO. Other notes on the current patch -------------------------------- - md->pushback is added to the struct mapped_device instead of using md->deferred directly because md->io_lock which protects md->deferred is rw_semaphore and can't be used in interrupt context like dec_pending(), and md->io_lock protects the DMF_BLOCK_IO flag of md->flags too. - Don't issue lock_fs() in dm_suspend() if the DM_NOFLUSH_FLAG ioctl option is specified, because I/Os generated by lock_fs() would be pushed back and never return if there were no valid devices. - If an error occurs in dm_suspend() after the DMF_NOFLUSH_SUSPENDING flag is set, md->pushback must be flushed because I/Os may be queued to the list already. (flush_and_out label in dm_suspend()) Test results ------------ I have tested using multipath target with the next patch. The following tests are for regression/compatibility: - I/Os succeed when valid paths exist; - I/Os fail when there are no valid paths and queue_if_no_path is not set; - I/Os are queued in the multipath target when there are no valid paths and queue_if_no_path is set; - The queued I/Os above fail when suspend is issued without the DM_NOFLUSH_FLAG ioctl option. I/Os spanning 2 multipath targets also fail. The following tests are for the normal code path of new pushback feature: - Queued I/Os in the multipath target are flushed from the target but don't return when suspend is issued with the DM_NOFLUSH_FLAG ioctl option; - The I/Os above are queued in the multipath target again when resume is issued without path recovery; - The I/Os above succeed when resume is issued after path recovery or table load; - Queued I/Os in the multipath target succeed when resume is issued with the DM_NOFLUSH_FLAG ioctl option after table load. I/Os spanning 2 multipath targets also succeed. The following tests are for the error paths of the new pushback feature: - When the bdget_disk() fails in dm_suspend(), the DMF_NOFLUSH_SUSPENDING flag is cleared and I/Os already queued to the pushback list are flushed properly. - When suspend with the DM_NOFLUSH_FLAG ioctl option is interrupted, o I/Os which had already been queued to the pushback list at the time don't return, and are re-issued at resume time; o I/Os which hadn't been returned at the time return with EIO. Signed-off-by: Kiyoshi Ueda <k-ueda@ct.jp.nec.com> Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com> Cc: dm-devel@redhat.com Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] dm: ioctl: add noflush suspendKiyoshi Ueda2006-12-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Provide a dm ioctl option to request noflush suspending. (See next patch for what this is for.) As the interface is extended, the version number is incremented. Other than accepting the new option through the interface, There is no change to existing behaviour. Test results: Confirmed the option is given from user-space correctly. Signed-off-by: Kiyoshi Ueda <k-ueda@ct.jp.nec.com> Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com> Cc: dm-devel@redhat.com Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] dm: map and endio return code clarificationKiyoshi Ueda2006-12-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Tighten the use of return values from the target map and end_io functions. Values of 2 and above are now explictly reserved for future use. There are no existing targets using such values. The patch has no effect on existing behaviour. o Reserve return values of 2 and above from target map functions. Any positive value currently indicates "mapping complete", but all existing drivers use the value 1. We now make that a requirement so we can assign new meaning to higher values in future. The new definition of return values from target map functions is: < 0 : error = 0 : The target will handle the io (DM_MAPIO_SUBMITTED). = 1 : Mapping completed (DM_MAPIO_REMAPPED). > 1 : Reserved (undefined). Previously this was the same as '= 1'. o Reserve return values of 2 and above from target end_io functions for similar reasons. DM_ENDIO_INCOMPLETE is introduced for a return value of 1. Test results: I have tested by using the multipath target. I/Os succeed when valid paths exist. I/Os are queued in the multipath target when there are no valid paths and queue_if_no_path is set. I/Os fail when there are no valid paths and queue_if_no_path is not set. Signed-off-by: Kiyoshi Ueda <k-ueda@ct.jp.nec.com> Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com> Cc: dm-devel@redhat.com Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] dm: suspend: parameter changeKiyoshi Ueda2006-12-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Change the interface of dm_suspend() so that we can pass several options without increasing the number of parameters. The existing 'do_lockfs' integer parameter is replaced by a flag DM_SUSPEND_LOCKFS_FLAG. There is no functional change to the code. Test results: I have tested 'dmsetup suspend' command with/without the '--nolockfs' option and confirmed the do_lockfs value is correctly set. Signed-off-by: Kiyoshi Ueda <k-ueda@ct.jp.nec.com> Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com> Cc: dm-devel@redhat.com Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] video: pm3fb macros fixMariusz Kozlowski2006-12-08
| | | | | | | | | | | | Signed-off-by: Mariusz Kozlowski <m.kozlowski@tuxland.pl> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] mbxfb: Add YUV video overlay supportRaphael Assenat2006-12-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds a way to create and use the video plane (YUV overlay) and scaling video scaling features of the chip. The overlay is configured, resized and modified using a device specific ioctl. Also included in this patch: - If no platform data was passed, print an error and exit instead of crashing. - Added a write_reg(_dly) macro. This improves readability when manipulating chip registers. (no more udelay() after each write). - Comments about some issues. Signed-off-by: Raphael Assenat <raph@8d.com> Cc: "Antonino A. Daplas" <adaplas@pol.net> Acked-by: James Simmons <jsimmons@infradead.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] fbcmap.c: mark structs const or __read_mostlyHelge Deller2006-12-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Mark the default colormaps read-only, as nobody should be allowed to modify them - Additionally mark color values as __read_mostly since they will only be modified (very seldom) by fb_invert_cmaps() - Add named C99-initializers in fb_cmap structs and use the ARRAY_SIZE() macro Signed-off-by: Helge Deller <deller@gmx.de> Acked-by: James Simmons <jsimmons@infradead.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] s3c2410fb: Add support for STN displaysArnaud Patard (Rtp2006-12-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds support for stn displays on the s3c2410 arm SoC. The LCD type is choosen by a new field in the s3c2410fb_mach_info structure and its value is the value of the PNRMODE bits. This worth to be noted as a value of 0 means that you configure a 4 bit dual scan stn display. Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org> Cc: "Antonino A. Daplas" <adaplas@pol.net> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Ben Dooks <ben-linux@fluff.org> Acked-by: James Simmons <jsimmons@infradead.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] ide: more conversion to pci_get APIsAlan Cox2006-12-08
| | | | | | | | | | | | | | | | | | This completes IDE except for one use which requires a new core PCI function and will be polished up at the end Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] fault-injection: defaults likely to please a new userDon Mullis2006-12-08
| | | | | | | | | | | | | | | | | | | | | | | | | | Assign defaults most likely to please a new user: 1) generate some logging output (verbose=2) 2) avoid injecting failures likely to lock up UI (ignore_gfp_wait=1, ignore_gfp_highmem=1) Signed-off-by: Don Mullis <dwm@meer.net> Cc: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] fault-injection: Use bool-true-false throughoutDon Mullis2006-12-08
| | | | | | | | | | | | | | | | | | Use bool-true-false throughout. Signed-off-by: Don Mullis <dwm@meer.net> Cc: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] fault injection: stacktrace filteringAkinobu Mita2006-12-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch provides stacktrace filtering feature. The stacktrace filter allows failing only for the caller you are interested in. For example someone may want to inject kmalloc() failures into only e100 module. they want to inject not only direct kmalloc() call, but also indirect allocation, too. - e100_poll --> netif_receive_skb --> packet_rcv_spkt --> skb_clone --> kmem_cache_alloc This patch enables to detect function calls like this by stacktrace and inject failures. The script Documentaion/fault-injection/failmodule.sh helps it. The range of text section of loaded e100 is expected to be [/sys/module/e100/sections/.text, /sys/module/e100/sections/.exit.text) So failmodule.sh stores these values into /debug/failslab/address-start and /debug/failslab/address-end. The maximum stacktrace depth is specified by /debug/failslab/stacktrace-depth. Please see the example that demonstrates how to inject slab allocation failures only for a specific module in Documentation/fault-injection/fault-injection.txt [dwm@meer.net: reject failure if any caller lies within specified range] Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Don Mullis <dwm@meer.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] fault injection: process filtering for fault-injection capabilitiesAkinobu Mita2006-12-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch provides process filtering feature. The process filter allows failing only permitted processes by /proc/<pid>/make-it-fail Please see the example that demostrates how to inject slab allocation failures into module init/cleanup code in Documentation/fault-injection/fault-injection.txt Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] fault-injection capability for disk IOAkinobu Mita2006-12-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch provides fault-injection capability for disk IO. Boot option: fail_make_request=<probability>,<interval>,<space>,<times> <interval> -- specifies the interval of failures. <probability> -- specifies how often it should fail in percent. <space> -- specifies the size of free space where disk IO can be issued safely in bytes. <times> -- specifies how many times failures may happen at most. Debugfs: /debug/fail_make_request/interval /debug/fail_make_request/probability /debug/fail_make_request/specifies /debug/fail_make_request/times Example: fail_make_request=10,100,0,-1 echo 1 > /sys/blocks/hda/hda1/make-it-fail generic_make_request() on /dev/hda1 fails once per 10 times. Cc: Jens Axboe <axboe@suse.de> Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] fault-injection capabilities infrastructureAkinobu Mita2006-12-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch provides base functions implement to fault-injection capabilities. - The function should_fail() is taken from failmalloc-1.0 (http://www.nongnu.org/failmalloc/) [akpm@osdl.org: cleanups, comments, add __init] Cc: <okuji@enbug.org> Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Don Mullis <dwm@meer.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] Char: istallion, variables cleanupJiri Slaby2006-12-08
| | | | | | | | | | | | | | | | | | | | - wipe gcc -W warnings by int -> uint conversion - move 2 global variables into their local place Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] Char: istallion, eliminate typedefsJiri Slaby2006-12-08
| | | | | | | | | | | | | | | | | | Use only struct <name> instead of defining a new type <name_t>. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] Char: stallion, variables cleanupJiri Slaby2006-12-08
| | | | | | | | | | | | | | | | | | | | - fix `gcc -W' un/signed warnings by converting some ints -> uints. - move 3 global variables into functions, where are they used. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] termios: Enable new style termios ioctls on x86-64Alan Cox2006-12-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This turns on the split input/output speed features and arbitary baud rate handling for the x86-64 platform. Nothing should break if you use existing standard speeds. If you use the new speed stuff then you may see some drivers failing to report the speed changes properly in error cases. This will be worked on further. For the working cases this all seems happy. I'll post a test suite used to test the basic stuff as well. Patches for i386 will follow when I get a moment but are basically the same. If people could patch/test-suite other architectures and submit them that would be great. Signed-off-by: Alan Cox <alan@redhat.com> Cc: Andi Kleen <ak@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] tty: switch to ktermiosAlan Cox2006-12-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is the grungy swap all the occurrences in the right places patch that goes with the updates. At this point we have the same functionality as before (except that sgttyb() returns speeds not zero) and are ready to begin turning new stuff on providing nobody reports lots of bugs If you are a tty driver author converting an out of tree driver the only impact should be termios->ktermios name changes for the speed/property setting functions from your upper layers. If you are implementing your own TCGETS function before then your driver was broken already and its about to get a whole lot more painful for you so please fix it 8) Also fill in c_ispeed/ospeed on init for most devices, although the current code will do this for you anyway but I'd like eventually to lose that extra paranoia [akpm@osdl.org: bluetooth fix] [mp3@de.ibm.com: sclp fix] [mp3@de.ibm.com: warning fix for tty3270] [hugh@veritas.com: fix tty_ioctl powerpc build] [jdike@addtoit.com: uml: fix ->set_termios declaration] Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Martin Peschke <mp3@de.ibm.com> Acked-by: Peter Oberparleiter <oberpar@de.ibm.com> Cc: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Hugh Dickins <hugh@veritas.com> Signed-off-by: Jeff Dike <jdike@addtoit.com> Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] tty: switch to ktermios and new frameworkAlan Cox2006-12-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is the core of the switch to the new framework. I've split it from the driver patches which are mostly search/replace and would encourage people to give this one a good hard stare. The references to BOTHER and ISHIFT are the termios values that must be defined by a platform once it wants to turn on "new style" ioctl support. The code patches here ensure that providing 1. The termios overlays the ktermios in memory 2. The only new kernel only fields are c_ispeed/c_ospeed (or none) the existing behaviour is retained. This is true for the patches at this point in time. Future patches will define BOTHER, ISHIFT and enable newer termios structures for each architecture, and once they are all done some of the ifdefs also vanish. [akpm@osdl.org: warning fix] [akpm@osdl.org: IRDA fix] Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] tty: preparatory structures for termios revampAlan Cox2006-12-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In order to sort out our struct termios and add proper speed control we need to separate the kernel and user termios structures. Glibc is fine but the other libraries rely on the kernel exported struct termios and we need to extend this without breaking the ABI/API To do so we add a struct ktermios which is the kernel view of a termios structure and overlaps the struct termios with extra fields on the end for now. (That limitation will go away in later patches). Some platforms (eg alpha) planned ahead and thus use the same struct for both, others did not. This just adds the structures but does not use them, it seems a sensible splitting point for bisect if there are compile failures (not that I expect them) Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] Char: stallion, kill typedefsJiri Slaby2006-12-08
| | | | | | | | | | | | | | | | | | Typedefs are considered ugly in the kernel. Eliminate them. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] Char: mxser_new, upgrade to 1.9.1Jiri Slaby2006-12-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Change cloned experimental driver according to original 1.9.1 moxa driver. Some int->ulong conversions, outb ~UART_IER_THRI constant. Remove commented stuff. I also added printk line with info, if somebody wants to test it, he may contact me as I can potentially debug the driver with him or just to confirm it works properly. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] add child reaper to pid_namespaceSukadev Bhattiprolu2006-12-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add a per pid_namespace child-reaper. This is needed so processes are reaped within the same pid space and do not spill over to the parent pid space. Its also needed so containers preserve existing semantic that pid == 1 would reap orphaned children. This is based on Eric Biederman's patch: http://lkml.org/lkml/2006/2/6/285 Signed-off-by: Sukadev Bhattiprolu <sukadev@us.ibm.com> Signed-off-by: Cedric Le Goater <clg@fr.ibm.com> Cc: Kirill Korotaev <dev@openvz.org> Cc: Eric W. Biederman <ebiederm@xmission.com> Cc: Herbert Poetzl <herbert@13thfloor.at> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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