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Kconfig tweaks to help reduce RTC configuration bugs, by avoiding
legacy RTC drivers when the generic RTC framework is enabled:
- If rtc-cmos is selected, disable the legacy rtc driver;
- When using generic RTC on x86, enable rtc-cmos by default;
- In the old "chardev RTC" section of Kconfig, add a comment
warning people off these (seven) legacy RTC drivers when
the generic framework is in use.
People can still use the legacy drivers if they want (or need) to.
This doesn't fix the broken dependencies for the legacy "CMOS" RTC driver.
Ideally it would be a full list of platforms where it works, not a partial
list of ones where it won't. Or better yet, it would depend on a
"HAVE_CMOS_RTC" flag defined by various platforms ... surely there's a
Kconfig style guideline lurking there.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Acked-by: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/airlied/agp-2.6
* 'agp-patches' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/agp-2.6:
agp: convert drivers/char/agp/frontend.c to use unlocked_ioctl
agp: fix shadowed variable warning in amd-k7-agp.c
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As of now, agp_compat_ioctl already runs without the BKL. Mutual exclusion
is enforced by agp_fe.agp_mutex in agp_ioctl() and agp_compat_ioctl().
Apply the same locking rationale to the two functions allowing BKL cleanup.
Signed-off-by: Mathieu Segaud <mathieu.segaud@regala.cx>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dave Airlie <airlied@linux.ie>
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Introduced between 2.6.25-rc2 and -rc3
drivers/char/agp/amd-k7-agp.c:439:6: warning: symbol 'cap_ptr' shadows an
earlier one
drivers/char/agp/amd-k7-agp.c:414:5: originally declared here
cap_ptr is never used again in this function, don't bother redeclaring.
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dave Airlie <airlied@linux.ie>
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Signed-off-by: Dave Airlie <airlied@linux.ie>
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Other Authors: Michel Dänzer <michel@tungstengraphics.com>
mga: Ian Romanick <idr@us.ibm.com>
via: Thomas Hellstrom <thomas-at-tungstengraphics-dot-com>
This re-works the DRM internals to provide a better interface for drivers
to expose vblank on multiple crtcs.
It also includes work done by Michel on making i915 triple buffering and pageflipping work properly.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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rips out the head crap and replaces it with an idr and drm_minor structure
Signed-off-by: Dave Airlie <airlied@redhat.com>
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The vblank tasklet update code must build 2D blt commands with the appropriate
tiled flags
Signed-off-by: Dave Airlie <airlied@redhat.com>
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The batchbuffer submission paths were fixed to use the 965-specific command,
but the vblank tasklet was not. When the older version is sent, the 965 will
lock up.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Now that the ATI pcigart code uses dma_alloc_coherent, we don't need
the dma_sync_single_for_device() that we used to have here.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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The patch for supporting non coherent PCI DMA in the DRM was mismerged
causing the page protection to be updated for the wrong type of
mapping.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (49 commits)
[POWERPC] Add zImage.iseries to arch/powerpc/boot/.gitignore
[POWERPC] bootwrapper: fix build error on virtex405-head.S
[POWERPC] 4xx: Fix 460GT support to not enable FPU
[POWERPC] 4xx: Add NOR FLASH entries to Canyonlands and Glacier dts
[POWERPC] Xilinx: of_serial support for Xilinx uart 16550.
[POWERPC] Xilinx: boot support for Xilinx uart 16550.
[POWERPC] celleb: Add support for PCI Express
[POWERPC] celleb: Move miscellaneous files for Beat
[POWERPC] celleb: Move a file for SPU on Beat
[POWERPC] celleb: Move files for Beat mmu and iommu
[POWERPC] celleb: Move files for Beat hvcall interfaces
[POWERPC] celleb: Move the SCC related code for celleb
[POWERPC] celleb: Move the files for celleb base support
[POWERPC] celleb: Consolidate io-workarounds code
[POWERPC] cell: Generalize io-workarounds code
[POWERPC] Add CONFIG_PPC_PSERIES_DEBUG to enable debugging for platforms/pseries
[POWERPC] Convert from DBG() to pr_debug() in platforms/pseries/
[POWERPC] Register udbg console early on pseries LPAR
[POWERPC] Mark udbg console as CON_ANYTIME, ie. callable early in boot
[POWERPC] Set udbg_console index to 0
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git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86-pat
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86-pat:
generic: add ioremap_wc() interface wrapper
/dev/mem: make promisc the default
pat: cleanups
x86: PAT use reserve free memtype in mmap of /dev/mem
x86: PAT phys_mem_access_prot_allowed for dev/mem mmap
x86: PAT avoid aliasing in /dev/mem read/write
devmem: add range_is_allowed() check to mmap of /dev/mem
x86: introduce /dev/mem restrictions with a config option
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (40 commits)
Input: wacom - add support for Cintiq 20WSX
Input: ucb1400_ts - IRQ probe fix
Input: at32psif - update MODULE_AUTHOR with new email
Input: mac_hid - add lockdep annotation to emumousebtn
Input: i8042 - fix incorrect usage of strncpy and strncat
Input: bf54x-keys - add infrastructure for keypad wakeups
Input: add MODULE_ALIAS() to hotpluggable platform modules
Input: drivers/char/keyboard.c - use time_after
Input: fix ordering in joystick Makefile
Input: wm97xx-core - support use as a wakeup source
Input: wm97xx-core - use IRQF_SAMPLE_RANDOM
Input: wm97xx-core - only schedule interrupt handler if not already scheduled
Input: add Zhen Hua driver
Input: aiptek - add support for Genius G-PEN 560 tablet
Input: wacom - implement suspend and autosuspend
Input: xpad - set proper buffer length for outgoing requests
Input: omap-keypad - fix build warning
Input: gpio_keys - irq handling cleanup
Input: add PS/2 serio driver for AVR32 devices
Input: put ledstate in the keyboard notifier
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Use reserve_memtype and free_memtype wrappers for /dev/mem mmaps. The memtype
is slightly complicated here, given that we have to support existing X mappings.
We fallback on UC_MINUS for that.
Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Introduce phys_mem_access_prot_allowed(), which checks whether the mapping
is possible, without any conflicts and returns success or failure based on that.
phys_mem_access_prot() by itself does not allow failure case. This ability
to return error is needed for PAT where we may have aliasing conflicts.
x86 setup __HAVE_PHYS_MEM_ACCESS_PROT and move x86 specific code out of
/dev/mem into arch specific area.
Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Add xlate and unxlate around /dev/mem read/write. This sets up the mapping
that can be used for /dev/mem read and write without aliasing worries.
Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Earlier patch that introduced CONFIG_NONPROMISC_DEVMEM, did the
range_is_allowed() check only for read and write. Add range_is_allowed()
check to mmap of /dev/mem as well.
Changes the paramaters of range_is_allowed() to pfn and size to handle
more than 32 bits of physical address on 32 bit arch cleanly.
Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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This patch introduces a restriction on /dev/mem: Only non-memory can be
read or written unless the newly introduced config option is set.
The X server needs access to /dev/mem for the PCI space, but it doesn't need
access to memory; both the file permissions and SELinux permissions of /dev/mem
just make X effectively super-super powerful. With the exception of the
BIOS area, there's just no valid app that uses /dev/mem on actual memory.
Other popular users of /dev/mem are rootkits and the like.
(note: mmap access of memory via /dev/mem was already not allowed since
a really long time)
People who want to use /dev/mem for kernel debugging can enable the config
option.
The restrictions of this patch have been in the Fedora and RHEL kernels for
at least 4 years without any problems.
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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The functions time_before, time_before_eq, time_after, and time_after_eq
are more robust for comparing jiffies against other values.
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/blackfin-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/blackfin-2.6: (85 commits)
Blackfin char driver for Blackfin on-chip OTP memory (v3)
Blackfin Serial Driver: fix bug - use mod_timer to replace only add_timer.
Blackfin Serial Driver: the uart break anomaly has been given its own number, so switch to it
Blackfin Serial Driver: use BFIN_UART_NR_PORTS to help SIR driver in uart port.
Blackfin Serial Driver: Fix bug - kernel hangs when accessing uart 0 on bf537 when booting u-boot and linux on uart 1
Blackfin Serial Driver: punt unused lsr variable
Blackfin Serial Driver: Enable IR function when user application (irattach /dev/ttyBFx -s) call TIOCSETD ioctl with line discipline N_IRDA
[Blackfin] arch: add include/boot .gitignore files
[Blackfin] arch: Functional power management support: Add support for cpu frequency scaling
[Blackfin] arch: Functional power management support: Remove broken cpu frequency scaling drivers
[Blackfin] arch: Equalize include files: Add PLL_DIV Masks
[Blackfin] arch: Add a warning about the value of CLKIN.
[Blackfin] arch: take DDR DEVWD into consideration as well for BF548
[Blackfin] arch: Remove the circular buffering mechanism for exceptions
[Blackfin] arch: lose unnecessary dependency on CONFIG_BFIN_ICACHE for MPU
[Blackfin] arch: fix bug - before assign new channel to the map register, need clear the bits first.
[Blackfin] arch: add Blackfin on-chip SIR IrDA driver support
[Blackfin] arch: BF54x memsizes are in mbits, not mbytes
[Blackfin] arch: try to remove condition that causes double fault, by checking current before it gets dereferenced
[Blackfin] arch: Update anomaly list.
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initial char driver for otp memory
(only read supported atm ... needs real examples/docs for write support)
v2-v3:
- fixup __initdata with __initconst, as we are heading for 2.6.26
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Acked-by: Jiri Slaby <jirislaby@gmail.com>
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The recent irq cleanups for arch/arm/mach-integrator/time.c and
drivers/char/mwave/tp3780i.c changed the request_irq() dev_id
parameter, but neglected to change the matching free_irq() parameter,
thus creating a bug upon irq de-registration.
Given that the impetus for the changes is not yet accepted upstream,
it is best to revert the irq cleanups.
Mostly. A comment is added to time.c to reduce future confusion,
of type that led to my time.c cleanup in the first place.
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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This patch fixes the following build error:
<-- snip -->
...
CC [M] drivers/char/xilinx_hwicap/xilinx_hwicap.o
...
/home/bunk/linux/kernel-2.6/git/linux-2.6/drivers/char/xilinx_hwicap/xilinx_hwicap.c:806: error: hwicap_of_match causes a section type conflict
/home/bunk/linux/kernel-2.6/git/linux-2.6/drivers/char/xilinx_hwicap/xilinx_hwicap.c:806: error: hwicap_of_match causes a section type conflict
make[4]: *** [drivers/char/xilinx_hwicap/xilinx_hwicap.o] Error 1
<-- snip -->
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/juhl/trivial
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/juhl/trivial: (24 commits)
DOC: A couple corrections and clarifications in USB doc.
Generate a slightly more informative error msg for bad HZ
fix typo "is" -> "if" in Makefile
ext*: spelling fix prefered -> preferred
DOCUMENTATION: Use newer DEFINE_SPINLOCK macro in docs.
KEYS: Fix the comment to match the file name in rxrpc-type.h.
RAID: remove trailing space from printk line
DMA engine: typo fixes
Remove unused MAX_NODES_SHIFT
MAINTAINERS: Clarify access to OCFS2 development mailing list.
V4L: Storage class should be before const qualifier (sn9c102)
V4L: Storage class should be before const qualifier
sonypi: Storage class should be before const qualifier
intel_menlow: Storage class should be before const qualifier
DVB: Storage class should be before const qualifier
arm: Storage class should be before const qualifier
ALSA: Storage class should be before const qualifier
acpi: Storage class should be before const qualifier
firmware_sample_driver.c: fix coding style
MAINTAINERS: Add ati_remote2 driver
...
Fixed up trivial conflicts in firmware_sample_driver.c
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* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
[HWRNG] omap: Minor updates
[CRYPTO] kconfig: Ordering cleanup
[CRYPTO] all: Clean up init()/fini()
[CRYPTO] padlock-aes: Use generic setkey function
[CRYPTO] aes: Export generic setkey
[CRYPTO] api: Make the crypto subsystem fully modular
[CRYPTO] cts: Add CTS mode required for Kerberos AES support
[CRYPTO] lrw: Replace all adds to big endians variables with be*_add_cpu
[CRYPTO] tcrypt: Change the XTEA test vectors
[CRYPTO] tcrypt: Shrink the tcrypt module
[CRYPTO] tcrypt: Change the usage of the test vectors
[CRYPTO] api: Constify function pointer tables
[CRYPTO] aes-x86-32: Remove unused return code
[CRYPTO] tcrypt: Shrink speed templates
[CRYPTO] tcrypt: Group common speed templates
[CRYPTO] sha512: Rename sha512 to sha512_generic
[CRYPTO] sha384: Hardware acceleration for s390
[CRYPTO] sha512: Hardware acceleration for s390
[CRYPTO] s390: Generic sha_update and sha_final
[CRYPTO] api: Switch to proc_create()
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git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/misc-2.6
* 'irq-cleanups-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/misc-2.6:
[ISDN] minor irq handler cleanups
drivers/char: minor irq handler cleanups
[PPC] minor irq handler cleanups
[BLACKFIN] minor irq handler cleanups
[SPARC] minor irq handler cleanups
ARM minor irq handler cleanup: avoid passing unused info to irq
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git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (202 commits)
[POWERPC] Fix compile breakage for 64-bit UP configs
[POWERPC] Define copy_siginfo_from_user32
[POWERPC] Add compat handler for PTRACE_GETSIGINFO
[POWERPC] i2c: Fix build breakage introduced by OF helpers
[POWERPC] Optimize fls64() on 64-bit processors
[POWERPC] irqtrace support for 64-bit powerpc
[POWERPC] Stacktrace support for lockdep
[POWERPC] Move stackframe definitions to common header
[POWERPC] Fix device-tree locking vs. interrupts
[POWERPC] Make pci_bus_to_host()'s struct pci_bus * argument const
[POWERPC] Remove unused __max_memory variable
[POWERPC] Simplify xics direct/lpar irq_host setup
[POWERPC] Use pseries_setup_i8259_cascade() in pseries_mpic_init_IRQ()
[POWERPC] Turn xics_setup_8259_cascade() into a generic pseries_setup_i8259_cascade()
[POWERPC] Move xics_setup_8259_cascade() into platforms/pseries/setup.c
[POWERPC] Use asm-generic/bitops/find.h in bitops.h
[POWERPC] 83xx: mpc8315 - fix USB UTMI Host setup
[POWERPC] 85xx: Fix the size of qe muram for MPC8568E
[POWERPC] 86xx: mpc86xx_hpcn - Temporarily accept old dts node identifier.
[POWERPC] 86xx: mark functions static, other minor cleanups
...
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* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-2.6: (36 commits)
SCSI: convert struct class_device to struct device
DRM: remove unused dev_class
IB: rename "dev" to "srp_dev" in srp_host structure
IB: convert struct class_device to struct device
memstick: convert struct class_device to struct device
driver core: replace remaining __FUNCTION__ occurrences
sysfs: refill attribute buffer when reading from offset 0
PM: Remove destroy_suspended_device()
Firmware: add iSCSI iBFT Support
PM: Remove legacy PM (fix)
Kobject: Replace list_for_each() with list_for_each_entry().
SYSFS: Explicitly include required header file slab.h.
Driver core: make device_is_registered() work for class devices
PM: Convert wakeup flag accessors to inline functions
PM: Make wakeup flags available whenever CONFIG_PM is set
PM: Fix misuse of wakeup flag accessors in serial core
Driver core: Call device_pm_add() after bus_add_device() in device_add()
PM: Handle device registrations during suspend/resume
block: send disk "change" event for rescan_partitions()
sysdev: detect multiple driver registrations
...
Fixed trivial conflict in include/linux/memory.h due to semaphore header
file change (made irrelevant by the change to mutex).
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git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6: (25 commits)
avr32: Add hardware power-down function call
avr32: add include/asm-avr32/serial.h
avr32: don't offer PARPORT_PC
avr32: don't offer CONFIG_GEN_RTC
avr32: don't offer CONFIG_RTC
add include/asm-avr32/xor.h
avr32: Remove two unused #defines from mm/init.c
avr32: Implement set_rate(), set_parent() and mode() for pll1
avr32: Generic clockevents support
avr32: Move sleep code into mach-at32ap
avr32: Use constants from sysreg.h in asm.h
avr32: Delete mostly unused header asm/intc.h
avr32: start clocksource cleanup
avr32: pass i2c board info through at32_add_device_twi
avr32: cleanup - use _AC macro to define PAGE_SIZE
Generate raw keyboard codes for AVR32 architecture
atmel_usba_udc: Add support for AT91CAP9 UDPHS
atmel_usba_udc: Add missing kfree() in usba_udc_remove()
atmel_usba_udc: move endpoint declarations into platform data.
atmel_usba_udc: Kill GPIO_PIN_NONE
...
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The C99 specification states in section 6.11.5:
The placement of a storage-class specifier other than at the
beginning of the declaration specifiers in a declaration is an
obsolescent feature.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
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Minor cleanups to the OMAP RNG:
- Comment update re RNG status:
* yes, it works on 16xx; "rngtest" is quite happy
* it's fast enough that polling vs IRQ is a non-issue
- Get rid of BUG_ON
- Help GCC not be stupid about inlining (object code shrink)
- Remove "sparse" warning
- Cope with new hotplug rule requiring "platform:" modalias
And make the file header match kernel conventions.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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- remove always-false tests
- don't overload 'irq' argument, pass data properly via dev_id
- remove pointless casts from void*
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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The struct class_device *dev_class is not used in the struct drm_head
structure at all, so remove it as class_device is being removed entirely
from the kernel.
Cc: David Airlie <airlied@linux.ie>
Cc: Tony Jones <tonyj@suse.de>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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After 2.6.24 there was a plan to make the PM core acquire all device
semaphores during a suspend/hibernation to protect itself from
concurrent operations involving device objects. That proved to be
too heavy-handed and we found a better way to achieve the goal, but
before it happened, we had introduced the functions
device_pm_schedule_removal() and destroy_suspended_device() to allow
drivers to "safely" destroy a suspended device and we had adapted some
drivers to use them. Now that these functions are no longer necessary,
it seems reasonable to remove them and modify their users to use the
normal device unregistration instead.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch fixes the following compile error:
<-- snip -->
...
CC [M] drivers/char/genrtc.o
/home/bunk/linux/kernel-2.6/git/linux-2.6/drivers/char/genrtc.c:58:21: error: asm/rtc.h: No such file or directory
...
make[3]: *** [drivers/char/genrtc.o] Error 1
<-- snip -->
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
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This patch fixes the following compile error:
<-- snip -->
...
CC [M] drivers/char/rtc.o
In file included from /home/bunk/linux/kernel-2.6/git/linux-2.6/drivers/char/rtc.c:70:
/home/bunk/linux/kernel-2.6/git/linux-2.6/include/linux/mc146818rtc.h:16:59: error: asm/mc146818rtc.h: No such file or directory
...
make[3]: *** [drivers/char/rtc.o] Error 1
<-- snip -->
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
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This patchs adds the AVR32 architecture to the list of archs to generate a
table of raw keyboard keycodes.
Signed-off-by: Hans-Christian Egtvedt <hcegtvedt@atmel.com>
Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
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Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
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None of these files use any of the functionality promised by
asm/semaphore.h. It's possible that they rely on it dragging in some
unrelated header file, but I can't build all these files, so we'll have
fix any build failures as they come up.
Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
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* git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-kgdb:
kgdb: always use icache flush for sw breakpoints
kgdb: fix SMP NMI kgdb_handle_exception exit race
kgdb: documentation fixes
kgdb: allow static kgdbts boot configuration
kgdb: add documentation
kgdb: Kconfig fix
kgdb: add kgdb internal test suite
kgdb: fix several kgdb regressions
kgdb: kgdboc pl011 I/O module
kgdb: fix optional arch functions and probe_kernel_*
kgdb: add x86 HW breakpoints
kgdb: print breakpoint removed on exception
kgdb: clocksource watchdog
kgdb: fix NMI hangs
kgdb: fix kgdboc dynamic module configuration
kgdb: document parameters
x86: kgdb support
consoles: polling support, kgdboc
kgdb: core
uaccess: add probe_kernel_write()
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polled console handling support, to access a console in an irq-less
way while in debug or irq context.
absolutely zero impact as long as CONFIG_CONSOLE_POLL is disabled.
(which is the default)
[ jan.kiszka@siemens.com: lots of cleanups ]
[ mingo@elte.hu: redesign, splitups, cleanups. ]
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Jan Kiszka <jan.kiszka@web.de>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
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The api for hardware random number generators is currently limited to
devices that never fail. If the hardware is registered as a source for
random numbers it has to work. This prevents the use of i/o based
random number devices where the i/o might fail.
Add a check for errors after the read from a hardware random number device.
This patch is required to support large random numbers retrieved
from the CEX2C cards on System z.
Signed-off-by: Ralph Wuerthner <rwuerthn@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
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This fixes a potential bug at drivers/char/hvc_beat.c.
- hvc_put_term_char routine will decrement "rest" variable twice,
and forget to advance "buf" pointer by "nlen" bytes.
This bug was not hit previously because the output handler in
drivers/char/hvc_console.c splits given output into 16 bytes
at maximum.
Reported-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Kou Ishizaki <kou.ishizaki@toshiba.co.jp>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Led state should be part of the key event, like shiftstate, and not
grabbed asynchronously after the fact.
[samuel.thibault@ens-lyon.org: various fixes]
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Now that we're mapping registers in the DRM driver at load time, the
driver actually checks the PCI ID, so we need to make sure the macros
have all the right bits (and longer term use the DRM headers as the sole
copy of the PCI & register definitions).
This patch adds 945GME support to the DRM headers, fixing a regression
reported in http://bugzilla.kernel.org/show_bug.cgi?id=10395.
Tested-by: Alexander Oltu <alexander@all-2.com>
Signed-off-by: Jesse Barnes <jesse.barnes@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The commits:
commit 37a47db8d7f0f38dac5acf5a13abbc8f401707fa
Author: Balaji Rao <balajirrao@gmail.com>
Date: Wed Jan 30 13:30:03 2008 +0100
x86: assign IRQs to HPET timers, fix
and
commit e3f37a54f690d3e64995ea7ecea08c5ab3070faf
Author: Balaji Rao <balajirrao@gmail.com>
Date: Wed Jan 30 13:30:03 2008 +0100
x86: assign IRQs to HPET timers
have been identified to cause a regression on some platforms due to
the assignement of legacy IRQs which makes the legacy devices
connected to those IRQs disfunctional.
Revert them.
This fixes http://bugzilla.kernel.org/show_bug.cgi?id=10382
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Add some locks and unlocks to some code paths.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Unlock two grabbed locks on some paths.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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