This fixes following:
arch/arm/mach-exynos/built-in.o: In function `exynos5_reserve':
arch/arm/mach-exynos/mach-exynos5-dt.c:177: undefined reference to `s5p_fdt_find_mfc_mem'
arch/arm/mach-exynos/mach-exynos5-dt.c:177: undefined reference to `s5p_fdt_find_mfc_mem'
arch/arm/mach-exynos/mach-exynos5-dt.c:178: undefined reference to `s5p_mfc_reserve_mem'
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Pull i2c-embedded changes from Wolfram Sang:
- CBUS driver (an I2C variant)
- continued rework of the omap driver
- s3c2410 gets lots of fixes and gains pinctrl support
- at91 gains DMA support
- the GPIO muxer gains devicetree probing
- typical fixes and additions all over
* 'i2c-embedded/for-next' of git://git.pengutronix.de/git/wsa/linux: (45 commits)
i2c: omap: Remove the OMAP_I2C_FLAG_RESET_REGS_POSTIDLE flag
i2c: at91: add dma support
i2c: at91: change struct members indentation
i2c: at91: fix compilation warning
i2c: mxs: Do not disable the I2C SMBus quick mode
i2c: mxs: Handle i2c DMA failure properly
i2c: s3c2410: Remove recently introduced performance overheads
i2c: ocores: Move grlib set/get functions into #ifdef CONFIG_OF block
i2c: s3c2410: Add fix for i2c suspend/resume
i2c: s3c2410: Fix code to free gpios
i2c: i2c-cbus-gpio: introduce driver
i2c: ocores: Add support for the GRLIB port of the controller and use function pointers for getreg and setreg functions
i2c: ocores: Add irq support for sparc
i2c: omap: Move the remove constraint
ARM: dts: cfa10049: Add the i2c muxer buses to the CFA-10049
i2c: s3c2410: do not special case HDMIPHY stuck bus detection
i2c: s3c2410: use exponential back off while polling for bus idle
i2c: s3c2410: do not generate STOP for QUIRK_HDMIPHY
i2c: s3c2410: grab adapter lock while changing i2c clock
i2c: s3c2410: Add support for pinctrl
...
We can elide flush_tlb_*() calls when _PAGE_VALID is clear
as that is the test used to determine whether or not to
queue up a TLB flush in set_pte_at().
Signed-off-by: David S. Miller <davem@davemloft.net>
Modifying the huge pte's requires that all the underlying pte's be
modified.
Version 2: added missing flush_tlb_page()
Signed-off-by: Dave Kleikamp <dave.kleikamp@oracle.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: sparclinux@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
Merge patches from Andrew Morton:
"Most of the rest of MM, plus a few dribs and drabs.
I still have quite a few irritating patches left around: ones with
dubious testing results, lack of review, ones which should have gone
via maintainer trees but the maintainers are slack, etc.
I need to be more activist in getting these things wrapped up outside
the merge window, but they're such a PITA."
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (48 commits)
mm/vmscan.c: avoid possible deadlock caused by too_many_isolated()
vmscan: comment too_many_isolated()
mm/kmemleak.c: remove obsolete simple_strtoul
mm/memory_hotplug.c: improve comments
mm/hugetlb: create hugetlb cgroup file in hugetlb_init
mm/mprotect.c: coding-style cleanups
Documentation: ABI: /sys/devices/system/node/
slub: drop mutex before deleting sysfs entry
memcg: add comments clarifying aspects of cache attribute propagation
kmem: add slab-specific documentation about the kmem controller
slub: slub-specific propagation changes
slab: propagate tunable values
memcg: aggregate memcg cache values in slabinfo
memcg/sl[au]b: shrink dead caches
memcg/sl[au]b: track all the memcg children of a kmem_cache
memcg: destroy memcg caches
sl[au]b: allocate objects from memcg cache
sl[au]b: always get the cache from its page in kmem_cache_free()
memcg: skip memcg kmem allocations in specified code regions
memcg: infrastructure to match an allocation to the right cache
...
Pull tile updates from Chris Metcalf:
"These are a smattering of minor changes from Tilera and other folks,
mostly in the ptrace area."
* git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile:
arch/tile: set CORE_DUMP_USE_REGSET on tile
arch/tile: implement arch_ptrace using user_regset on tile
arch/tile: implement user_regset interface on tile
arch/tile: clean up tile-specific PTRACE_SETOPTIONS
arch/tile: provide PT_FLAGS_COMPAT value in pt_regs
tile/PCI: use for_each_pci_dev to simplify the code
tilegx: remove __init from pci fixup hook
Rationales from Eric:
So I just looked a little deeper and it appears architectures that do
not support atomic64_t are broken.
The generic atomic64 support came in 2009 to support the perf subsystem
with the expectation that all architectures would implement atomic64
support.
Furthermore upon inspection of the kernel atomic64_t is used in a fair
number of places beyond the performance counters:
block/blk-cgroup.c
drivers/acpi/apei/
drivers/block/rbd.c
drivers/crypto/nx/nx.h
drivers/gpu/drm/radeon/radeon.h
drivers/infiniband/hw/ipath/
drivers/infiniband/hw/qib/
drivers/staging/octeon/
fs/xfs/
include/linux/perf_event.h
include/net/netfilter/nf_conntrack_acct.h
kernel/events/
kernel/trace/
net/mac80211/key.h
net/rds/
The block control group, infiniband, xfs, crypto, 802.11, netfilter.
Nothing quite so fundamental as fs/namespace.c but definitely in
multiplatform-code that should work, and is already broken on those
architecutres.
Looking at the implementation of atomic64_add_return in lib/atomic64.c the
code looks as efficient as these kinds of things get.
Which leads me to the conclusion that we need atomic64 support on all
architectures.
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This makes the iris driver use the platform API, so it is properly exposed
in /sys.
[akpm@linux-foundation.org: remove commented-out code, add missing space to printk, clean up code layout]
Signed-off-by: Shérab <Sebastien.Hinderer@ens-lyon.org>
Cc: Len Brown <lenb@kernel.org>
Cc: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The inb/outb macros for CRIS are broken from a number of points of view,
missing () around parameters and they have an unprotected if statement
in them. This was breaking the compile of IPMI on CRIS and thus I was
being annoyed by build regressions, so I fixed them.
Plus I don't think they would have worked at all, since the data values
were missing "&" and the outsl had a "3" instead of a "4" for the size.
From what I can tell, this stuff is not used at all, so this can't be
any more broken than it was before, anyway.
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Cc: Jesper Nilsson <jesper.nilsson@axis.com>
Cc: Mikael Starvik <starvik@axis.com>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pull second round of input updates from Dmitry Torokhov:
"As usual, there are a couple of new drivers, input core now supports
managed input devices (devres), a slew of drivers now have device tree
support and a bunch of fixes and cleanups."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (71 commits)
Input: walkera0701 - fix crash on startup
Input: matrix-keymap - provide a proper module license
Input: gpio_keys_polled - switch to using gpio_request_one()
Input: gpio_keys - switch to using gpio_request_one()
Input: wacom - fix touch support for Bamboo Fun CTH-461
Input: xpad - add a few new VID/PID combinations
Input: xpad - minor formatting fixes
Input: gpio-keys-polled - honor 'autorepeat' setting in platform data
Input: tca8418-keypad - switch to using managed resources
Input: tca8418_keypad - increase severity of failures in probe()
Input: tca8418_keypad - move device ID tables closer to where they are used
Input: tca8418_keypad - use dev_get_platdata() to retrieve platform data
Input: tca8418_keypad - use a temporary variable for parent device
Input: tca8418_keypad - add support for shared interrupt
Input: tca8418_keypad - add support for device tree bindings
Input: remove Compaq iPAQ H3600 (Bitsy) touchscreen driver
Input: bu21013_ts - add support for Device Tree booting
Input: bu21013_ts - move GPIO init and exit functions into the driver
Input: bu21013_ts - request regulator that actually exists
ARM: ux500: Strip out duplicate touch screen platform information
...
Pull powertool update from Len Brown:
"This updates the tree w/ the latest version of turbostat, which
reports temperature and - on SNB and later - Watts."
Fix up semantic merge conflict as per Len.
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux:
tools: Allow tools to be installed in a user specified location
tools/power: turbostat: make Makefile a bit more capable
tools/power x86_energy_perf_policy: close /proc/stat in for_every_cpu()
tools/power turbostat: v3.0: monitor Watts and Temperature
tools/power turbostat: fix output buffering issue
tools/power turbostat: prevent infinite loop on migration error path
x86 power: define RAPL MSRs
tools/power/x86/turbostat: share kernel MSR #defines
* Fix to bootup regression introduced by 'x86-bsp-hotplug-for-linus' tip branch.
* Fix to vcpu hotplug code.
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Merge tag 'stable/for-linus-3.8-rc0-bugfix-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen
Pull Xen bugfixes from Konrad Rzeszutek Wilk:
"Two fixes. One of them is caused by the recent change introduced by
the 'x86-bsp-hotplug-for-linus' tip tree that inhibited bootup (old
function does not do what it used to do). The other one is just a
vanilla bug.
- Fix to bootup regression introduced by 'x86-bsp-hotplug-for-linus'
tip branch.
- Fix to vcpu hotplug code."
* tag 'stable/for-linus-3.8-rc0-bugfix-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen:
xen/vcpu: Fix vcpu restore path.
xen: Add EVTCHNOP_reset in Xen interface header files.
xen/smp: Use smp_store_boot_cpu_info() to store cpu info for BSP during boot time.
Following the previous patch which adds support for user_regset, tile
can now use this feature.
Signed-off-by: Simon Marchi <simon.marchi@polymtl.ca>
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
This patch changes arch_ptrace on tile so that it uses user_regset
to implement the PTRACE_GETREGS and PTRACE_SETREGS operations.
Signed-off-by: Simon Marchi <simon.marchi@polymtl.ca>
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
This is a basic implementation of user_regset for the tile
architecture. It reuses the basic blocks that were already there.
Signed-off-by: Simon Marchi <simon.marchi@polymtl.ca>
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
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Merge tag 'disintegrate-alpha-20121217' of git://git.infradead.org/users/dhowells/linux-headers
Pull UAPI disintegration for Alpha from David Howells:
"I've been asked to send the Alpha UAPI disintegration to you directly.
The acks I have been given have been added into the patch."
* tag 'disintegrate-alpha-20121217' of git://git.infradead.org/users/dhowells/linux-headers:
UAPI: (Scripted) Disintegrate arch/alpha/include/asm
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Merge tag 'for-3.8' of git://openrisc.net/~jonas/linux
Pull OpenRISC update from Jonas Bonn:
"Trivial cleanups for OpenRISC."
* tag 'for-3.8' of git://openrisc.net/~jonas/linux:
openrisc: use kbuild.h instead of defining macros in asm-offset.c
openrisc: Use Kbuild infrastructure for kvm_para.h
Pull s390 update #2 from Martin Schwidefsky:
"The main patch is the function measurement blocks extension for PCI to
do performance statistics and help with debugging. The other patch is
a small cleanup in ccwdev.h."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/ccwdev: Include asm/schid.h.
s390/pci: performance statistics and debug infrastructure
Pull powerpc update from Benjamin Herrenschmidt:
"The main highlight is probably some base POWER8 support. There's more
to come such as transactional memory support but that will wait for
the next one.
Overall it's pretty quiet, or rather I've been pretty poor at picking
things up from patchwork and reviewing them this time around and Kumar
no better on the FSL side it seems..."
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (73 commits)
powerpc+of: Rename and fix OF reconfig notifier error inject module
powerpc: mpc5200: Add a3m071 board support
powerpc/512x: don't compile any platform DIU code if the DIU is not enabled
powerpc/mpc52xx: use module_platform_driver macro
powerpc+of: Export of_reconfig_notifier_[register,unregister]
powerpc/dma/raidengine: add raidengine device
powerpc/iommu/fsl: Add PAMU bypass enable register to ccsr_guts struct
powerpc/mpc85xx: Change spin table to cached memory
powerpc/fsl-pci: Add PCI controller ATMU PM support
powerpc/86xx: fsl_pcibios_fixup_bus requires CONFIG_PCI
drivers/virt: the Freescale hypervisor driver doesn't need to check MSR[GS]
powerpc/85xx: p1022ds: Use NULL instead of 0 for pointers
powerpc: Disable relocation on exceptions when kexecing
powerpc: Enable relocation on during exceptions at boot
powerpc: Move get_longbusy_msecs into hvcall.h and remove duplicate function
powerpc: Add wrappers to enable/disable relocation on exceptions
powerpc: Add set_mode hcall
powerpc: Setup relocation on exceptions for bare metal systems
powerpc: Move initial mfspr LPCR out of __init_LPCR
powerpc: Add relocation on exception vector handlers
...
With CONFIG_PARAVIRT=y and CONFIG_TRANSPARENT_HUGEPAGE=n, the build breaks
because set_pmd_at() is undeclared:
mm/memory.c: In function 'do_pmd_numa_page':
mm/memory.c:3520: error: implicit declaration of function 'set_pmd_at'
mm/mprotect.c: In function 'change_pmd_protnuma':
mm/mprotect.c:120: error: implicit declaration of function 'set_pmd_at'
This is because paravirt defines set_pmd_at() only when
CONFIG_TRANSPARENT_HUGEPAGE=y and such a restriction is unneeded. The
fix is to define it for all CONFIG_PARAVIRT configurations.
Signed-off-by: David Rientjes <rientjes@google.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Mostly just little fixes. Probably biggest part is
AVX accelerated RAID6 calculations.
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Merge tag 'md-3.8' of git://neil.brown.name/md
Pull md update from Neil Brown:
"Mostly just little fixes. Probably biggest part is AVX accelerated
RAID6 calculations."
* tag 'md-3.8' of git://neil.brown.name/md:
md/raid5: add blktrace calls
md/raid5: use async_tx_quiesce() instead of open-coding it.
md: Use ->curr_resync as last completed request when cleanly aborting resync.
lib/raid6: build proper files on corresponding arch
lib/raid6: Add AVX2 optimized gen_syndrome functions
lib/raid6: Add AVX2 optimized recovery functions
md: Update checkpoint of resync/recovery based on time.
md:Add place to update ->recovery_cp.
md.c: re-indent various 'switch' statements.
md: close race between removing and adding a device.
md: removed unused variable in calc_sb_1_csm.
Merge misc patches from Andrew Morton:
"Incoming:
- lots of misc stuff
- backlight tree updates
- lib/ updates
- Oleg's percpu-rwsem changes
- checkpatch
- rtc
- aoe
- more checkpoint/restart support
I still have a pile of MM stuff pending - Pekka should be merging
later today after which that is good to go. A number of other things
are twiddling thumbs awaiting maintainer merges."
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (180 commits)
scatterlist: don't BUG when we can trivially return a proper error.
docs: update documentation about /proc/<pid>/fdinfo/<fd> fanotify output
fs, fanotify: add @mflags field to fanotify output
docs: add documentation about /proc/<pid>/fdinfo/<fd> output
fs, notify: add procfs fdinfo helper
fs, exportfs: add exportfs_encode_inode_fh() helper
fs, exportfs: escape nil dereference if no s_export_op present
fs, epoll: add procfs fdinfo helper
fs, eventfd: add procfs fdinfo helper
procfs: add ability to plug in auxiliary fdinfo providers
tools/testing/selftests/kcmp/kcmp_test.c: print reason for failure in kcmp_test
breakpoint selftests: print failure status instead of cause make error
kcmp selftests: print fail status instead of cause make error
kcmp selftests: make run_tests fix
mem-hotplug selftests: print failure status instead of cause make error
cpu-hotplug selftests: print failure status instead of cause make error
mqueue selftests: print failure status instead of cause make error
vm selftests: print failure status instead of cause make error
ubifs: use prandom_bytes
mtd: nandsim: use prandom_bytes
...
The runstate of vcpu should be restored for all possible cpus, as well as the
vcpu info placement.
Acked-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Git commit 30106c1743
("x86, hotplug: Support functions for CPU0 online/offline") alters what
the call to smp_store_cpu_info() does. For BSP we should use the
smp_store_boot_cpu_info() and for secondary CPU's the old
variant of smp_store_cpu_info() should be used. This fixes
the regression introduced by said commit.
Reported-and-Tested-by: Sander Eikelenboom <linux@eikelenboom.it>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
This fixes a compile failure on imx_v4_v5_defconfig and a regression
introduced with enabling the MIPI clocks on i.MX51. Also one rather
cosmetic fix for the i.MX27 dts file.
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Merge tag 'imx-fixes-rc' of git://git.pengutronix.de/git/imx/linux-2.6 into fixes
From Sascha Hauer:
ARM i.MX fixes for v3.8-rc
This fixes a compile failure on imx_v4_v5_defconfig and a regression
introduced with enabling the MIPI clocks on i.MX51. Also one rather
cosmetic fix for the i.MX27 dts file.
* tag 'imx-fixes-rc' of git://git.pengutronix.de/git/imx/linux-2.6:
ARM: imx: Move platform-mx2-emma to arch/arm/mach-imx/devices
ARM i.MX51 clock: Fix regression since enabling MIPI/HSP clocks
ARM: dts: mx27: Fix the AIPI bus for FEC
conflict with the fb code, few timer warnings, and longer
term regressions for tfp410 and omap h4 ethernet. Also
included is a GPIO mode fix for the legacy mux code.
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Merge tag 'omap-for-v3.8/fixes-for-merge-window-v4-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
From Tony Lindgren:
These patches fixes a build error caused by a merge
conflict with the fb code, few timer warnings, and longer
term regressions for tfp410 and omap h4 ethernet. Also
included is a GPIO mode fix for the legacy mux code.
* tag 'omap-for-v3.8/fixes-for-merge-window-v4-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP2+: common: remove use of vram
ARM: OMAP: Move plat/omap-serial.h to include/linux/platform_data/serial-omap.h
ARM: dts: Add build target for omap4-panda-a4
ARM: dts: OMAP2420: Correct H4 board memory size
mfd: omap-usb-host: get rid of cpu_is_omap..() macros
ARM: OMAP: Remove debug-devices.c
ARM: OMAP2420: Fix ethernet support for OMAP2420 H4
OMAP2+: mux: Fixed gpio mux mode analysis
OMAP: board-files: fix i2c_bus for tfp410
ARM: OMAP2+: Fix sparse warnings in timer.c
ARM: AM335x: Fix warning in timer.c
ARM: OMAP2+: Fix realtime_counter_init warning in timer.c
the OMAP CPUIdle code.
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Merge tag 'omap-fixes-a-for-v3.8-window' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into fixes
From Paul Walmsley per Tony Lindgrens request:
Fix some OMAP4 clock problems, and deal with some sparse warnings from
the OMAP CPUIdle code.
* tag 'omap-fixes-a-for-v3.8-window' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending:
ARM: OMAP3/4: cpuidle: fix sparse and checkpatch warnings
ARM: OMAP4: clock data: DPLLs are missing bypass clocks in their parent lists
ARM: OMAP4: clock data: div_iva_hs_clk is a power-of-two divider
ARM: OMAP4: Fix EMU clock domain always on
ARM: OMAP4460: Workaround ABE DPLL failing to turn-on
ARM: OMAP4: Enhance support for DPLLs with 4X multiplier
ARM: OMAP4: Add function table for non-M4X dplls
ARM: OMAP4: Update timer clock aliases
rtc-omap driver is now capable of handling kicker mechanism, hence remove
kicker handling at platform level, instead provide proper device name so
that driver can handle kicker mechanism by itself
Signed-off-by: Afzal Mohammed <afzal@ti.com>
Acked-by: Sekhar Nori <nsekhar@ti.com>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Sekhar Nori <nsekhar@ti.com>
Cc: Kevin Hilman <khilman@ti.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Daniel Mack <zonque@gmail.com>
Cc: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This function is used by sparc, powerpc tile and arm64 for compat support.
The patch adds a generic implementation with a wrapper for PowerPC to do
the u32->int sign extension.
The reason for a single patch covering powerpc, tile, sparc and arm64 is
to keep it bisectable, otherwise kernel building may fail with mismatched
function declarations.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Chris Metcalf <cmetcalf@tilera.com> [for tile]
Acked-by: David S. Miller <davem@davemloft.net>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Currently the __define_initcall() macro takes three arguments, fn, id and
level. The level argument is exactly the same as the id argument but
wrapped in quotes. To overcome this need to specify three arguments to
the __define_initcall macro, where one argument is the stringification of
another, we can just use the stringification macro instead.
Signed-off-by: Matthew Leach <matthew@mattleach.net>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
- Remove the superfluous address-of ('&') operators,
- Remove the unneeded casts, use %p to format pointers instead.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Nowadays it should probably use __bss_start and __bss_stop
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
patch(1) doesn't create zero-length files, so my kernel didn't compile.
Put something in these files so patch(1) actually creates them.
Cc: David Howells <dhowells@redhat.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Michael Kerrisk <mtk.manpages@gmail.com>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Dave Jones <davej@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pull user namespace changes from Eric Biederman:
"While small this set of changes is very significant with respect to
containers in general and user namespaces in particular. The user
space interface is now complete.
This set of changes adds support for unprivileged users to create user
namespaces and as a user namespace root to create other namespaces.
The tyranny of supporting suid root preventing unprivileged users from
using cool new kernel features is broken.
This set of changes completes the work on setns, adding support for
the pid, user, mount namespaces.
This set of changes includes a bunch of basic pid namespace
cleanups/simplifications. Of particular significance is the rework of
the pid namespace cleanup so it no longer requires sending out
tendrils into all kinds of unexpected cleanup paths for operation. At
least one case of broken error handling is fixed by this cleanup.
The files under /proc/<pid>/ns/ have been converted from regular files
to magic symlinks which prevents incorrect caching by the VFS,
ensuring the files always refer to the namespace the process is
currently using and ensuring that the ptrace_mayaccess permission
checks are always applied.
The files under /proc/<pid>/ns/ have been given stable inode numbers
so it is now possible to see if different processes share the same
namespaces.
Through the David Miller's net tree are changes to relax many of the
permission checks in the networking stack to allowing the user
namespace root to usefully use the networking stack. Similar changes
for the mount namespace and the pid namespace are coming through my
tree.
Two small changes to add user namespace support were commited here adn
in David Miller's -net tree so that I could complete the work on the
/proc/<pid>/ns/ files in this tree.
Work remains to make it safe to build user namespaces and 9p, afs,
ceph, cifs, coda, gfs2, ncpfs, nfs, nfsd, ocfs2, and xfs so the
Kconfig guard remains in place preventing that user namespaces from
being built when any of those filesystems are enabled.
Future design work remains to allow root users outside of the initial
user namespace to mount more than just /proc and /sys."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace: (38 commits)
proc: Usable inode numbers for the namespace file descriptors.
proc: Fix the namespace inode permission checks.
proc: Generalize proc inode allocation
userns: Allow unprivilged mounts of proc and sysfs
userns: For /proc/self/{uid,gid}_map derive the lower userns from the struct file
procfs: Print task uids and gids in the userns that opened the proc file
userns: Implement unshare of the user namespace
userns: Implent proc namespace operations
userns: Kill task_user_ns
userns: Make create_new_namespaces take a user_ns parameter
userns: Allow unprivileged use of setns.
userns: Allow unprivileged users to create new namespaces
userns: Allow setting a userns mapping to your current uid.
userns: Allow chown and setgid preservation
userns: Allow unprivileged users to create user namespaces.
userns: Ignore suid and sgid on binaries if the uid or gid can not be mapped
userns: fix return value on mntns_install() failure
vfs: Allow unprivileged manipulation of the mount namespace.
vfs: Only support slave subtrees across different user namespaces
vfs: Add a user namespace reference from struct mnt_namespace
...
Remove support for FPU error reporting via IRQ 13, as opposed to
exception 16 (#MF). One last remnant of i386 gone.
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Cc: Alan Cox <alan@linux.intel.com>
Just use WARN_ON rather than an if containing only WARN_ON(1).
A simplified version of the semantic patch that makes this transformation
is as follows: (http://coccinelle.lip6.fr/)
// <smpl>
@@
expression e;
@@
- if (e) WARN_ON(1);
+ WARN_ON(e);
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This patch removes some code duplication by using
module_platform_driver.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@st.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Commit 2ac29a1 (ARM: PMU: fix runtime PM enable) moved the call to
pm_runtime_enable() from the OMAP2+ PMU code into the ARM PERF core
code. However, header for pm_runtime which should have been removed
from the OMAP2+ PMU code was not. It is no longer necessary to include
this header in the OMAP2+ PMU code and so remove it.
Signed-off-by: Jon Hunter <jon-hunter@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Many TI OMAP SoC based boards that uses twl4030 as codec have
been updated to use the unified audio driver (omap-twl4030)
since they have similar audio setup.
So, is good to have it built to add audio support to these boards.
Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
TPS65217 is described in arch/arm/boot/dts/am335x-bone.dts
but doesn't enabled in arch/arm/configs/omap2plus_defconfig.
Enable TPS65217 support in omap2plus_defconfig.
Signed-off-by: Igor Mazanov <i.mazanov@gmail.com>
Signed-off-by: AnilKumar Ch <anilkumar@ti.com>
[tony@atomide.com: updated comments]
Signed-off-by: Tony Lindgren <tony@atomide.com>
Since udev-182, udev no longer creates device nodes under /dev
and this has to be managed by the kernel devtmpfs filesystem.
This means that a kernel built with the current OMAP2+ config
will not boot on a system with a recent udev.
Also, it is good to have /dev automatically mounted since some
non-initramfs based setups assumes this and don't manually mount it.
Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Acked-by: Santosh Shilimkar<santosh.shilimkar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
To facilitate upcoming cleanup in twl stack.
No functional change.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
The cpu_is_omap macros are now local to arch/arm/mach-omap2
in soc.h and plat/cpu.h can finally be dropped for omap2+.
Thanks everybody for help with fixing the drivers.
Note that we can now also remove the unused plat/cpu.h from
smartreflex.c and isp.c as they will cause compile errors
with ARCH_MULTIPLATFORM enabled.
Cc: Kevin Hilman <khilman@deeprootsystems.com>
Acked-by: Jean Pihet <jean.pihet@newoldbits.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Looks like we missed plat-omap/fb.c for cpu_is_omap usage
mach-omap2. This is the last user of cpu_is_omap, so let's
quickly fix it up so we can finally remove plat/cpu.h for
omap2lus.
We want to limit cpu_is_omap macro usage to mach-omap2 only so
we can make plat/cpu.h private. After this we can finally drop
plat/cpu.h for omap2+.
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
There is several different SoCs sharing the sun5i codename: A10s, A12
and A13. Since there is enough differences to not consider those the
same SoCs, change a bit the naming scheme to reflect this.
Moreover, some boards like the olinuxino come in A10s and A13 variants,
which also share the same SoC codename.
So change the naming scheme to reflect both the codename and the market
name of the SoCs used in the dtsi and in the board files
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Olof Johansson <olof@lixom.net>
Commit db298da2c3
"ARM: nomadik: move platform_data definition"
moved the Ux500-specific musb header from <mach/usb.h>
to <linux/platform_data/usb-musb-ux500.h>
However that makes some board code fail to compile
now:
CC arch/arm/mach-ux500/board-mop500.o
linux/arch/arm/mach-ux500/cpu-db8500.c: In function 'u8500_init_devices':
linux/arch/arm/mach-ux500/cpu-db8500.c:226:2: error: implicit declaration of function 'ux500_add_usb' [-Werror=implicit-function-declaration]
cc1: some warnings being treated as errors
make[3]: *** [arch/arm/mach-ux500/cpu-db8500.o] Error 1
make[3]: *** Waiting for unfinished jobs....
make[2]: *** [arch/arm/mach-ux500] Error 2
make[2]: *** Waiting for unfinished jobs....
So fix this up by adding the proper include file that
appears to have been brought in implicitly one or another
way in the past.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
With recent changes in the kernel, the MMCI and PL011 UART
drivers will autonomously request their pins to be muxed in,
so this machine-specific pin hogging code is just interfering
with the proper mechanism and causing regressions in the v3.8
kernel. Delete it and the problems go away.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
ARM: tegra: fixes for 3.8
This branch contains a few miscellaneous fixes that have shown up in the
last few weeks.
By Sivaram Nair (2) and Hiroshi Doyu (1)
via Stephen Warren
* tag 'tegra-for-3.8-fixes-for-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra:
amba: tegra-ahb: Fix warning w/o PM_SLEEP
ARM: tegra: fix comment in dsib clk set_parent
ARM: tegra: select correct parent clk for pll_p
Signed-off-by: Olof Johansson <olof@lixom.net>
arch/arm/mach-davinci/board-da850-evm.c: In function 'da850_evm_init':
arch/arm/mach-davinci/board-da850-evm.c:1516:2: error: implicit declaration of function 'sram_get_gen_pool' [-Werror=implicit-function-declaration]
arch/arm/mach-davinci/board-da850-evm.c:1516:31: warning: assignment makes pointer from integer without a cast [enabled by default]
Signed-off-by: Olof Johansson <olof@lixom.net>
Cc: Sekhar Nori <nsekhar@ti.com>
Cc: Kevin Hilman <khilman@ti.com>
In file included from arch/arm/mach-exynos/clock-exynos5.c:29:0:
arch/arm/mach-exynos/common.h:28:12: warning: 'exynos_pm_late_initcall' defined but not used [-Wunused-function]
Signed-off-by: Olof Johansson <olof@lixom.net>
Cc: Kukjin Kim <kgene.kim@samsung.com>
Cc: Shawn Guo <shawn.guo@linaro.org>
Pull DRM updates from Dave Airlie:
"This is the one and only next pull for 3.8, we had a regression we
found last week, so I was waiting for that to resolve itself, and I
ended up with some Intel fixes on top as well.
Highlights:
- new driver: nvidia tegra 20/30/hdmi support
- radeon: add support for previously unused DMA engines, more HDMI
regs, eviction speeds ups and fixes
- i915: HSW support enable, agp removal on GEN6, seqno wrapping
- exynos: IPP subsystem support (image post proc), HDMI
- nouveau: display class reworking, nv20->40 z compression
- ttm: start of locking fixes, rcu usage for lookups,
- core: documentation updates, docbook integration, monotonic clock
usage, move from connector to object properties"
* 'drm-next' of git://people.freedesktop.org/~airlied/linux: (590 commits)
drm/exynos: add gsc ipp driver
drm/exynos: add rotator ipp driver
drm/exynos: add fimc ipp driver
drm/exynos: add iommu support for ipp
drm/exynos: add ipp subsystem
drm/exynos: support device tree for fimd
radeon: fix regression with eviction since evict caching changes
drm/radeon: add more pedantic checks in the CP DMA checker
drm/radeon: bump version for CS ioctl support for async DMA
drm/radeon: enable the async DMA rings in the CS ioctl
drm/radeon: add VM CS parser support for async DMA on cayman/TN/SI
drm/radeon/kms: add evergreen/cayman CS parser for async DMA (v2)
drm/radeon/kms: add 6xx/7xx CS parser for async DMA (v2)
drm/radeon: fix htile buffer size computation for command stream checker
drm/radeon: fix fence locking in the pageflip callback
drm/radeon: make indirect register access concurrency-safe
drm/radeon: add W|RREG32_IDX for MM_INDEX|DATA based mmio accesss
drm/exynos: support extended screen coordinate of fimd
drm/exynos: fix x, y coordinates for right bottom pixel
drm/exynos: fix fb offset calculation for plane
...
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Michael Kerrisk <mtk.manpages@gmail.com>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Dave Jones <davej@redhat.com>
Acked-by: Michael Cree <mcree@orcon.net.nz>
Acked-by: Matt Turner <mattst88@gmail.com>
Move platform-mx2-emma to arch/arm/mach-imx/devices and fix the following build
error:
make[2]: *** No rule to make target `arch/arm/mach-imx/devices/platform-mx2-emma.o', needed by `arch/arm/mach-imx/devices/built-in.o'. Stop.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
The MIPI/HSP clocks were recently turned on in the i.MX51 clock tree.
It turned out that the system does not work properly when the MIPI/HSP
clocks are enabled, but the IPU clock is disabled. This happens when
IPU support is disabled. In this case the IPU clock gets disabled when
the clock framework turns off unused clock in a late_initcall. This
is broken since:
| commit 9a2d4825a9
| Author: Sascha Hauer <s.hauer@pengutronix.de>
| Date: Tue Jun 5 13:53:32 2012 +0200
|
| ARM i.MX5: switch IPU clk support to devicetree bindings
|
| The i.MX5 clk support has platform based clock bindings for the
| IPU. IPU support is devicetree only, so move them over to devicetree
| based bindings. Also, enable MIPI clocks which do not have a device
| associated with, but still need to be enabled to do graphics on
| i.MX51.
This patch fixes this by setting some reserved bits in the CCM as recommended
in the reference manual.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Tested-by: Shawn Guo <shawn.guo@linaro.org>
Get the definition of struct subchannel_id.
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This is needed to make the battery monitor actually work on Nokia N900.
Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
Pull m68knommu updates from Greg Ungerer:
"This one has a major restructuring of the non-mmu 68000 support.
It merges all the related SoC types that use the original 68000 cpu
core internally so they can share the same core code. It also allows
for supporting the original stand alone 68000 cpu in its own right.
There is also a generalization of the clock support of the ColdFire
parts, some merging of common ColdFire code, and a couple of bug fixes
as well."
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu:
m68knommu: modify clock code so it can be used by all ColdFire CPU types
m68knommu: add clock definitions for 54xx ColdFire CPU types
m68knommu: add clock definitions for 5407 ColdFire CPU types
m68knommu: add clock definitions for 5307 ColdFire CPU types
m68knommu: add clock definitions for 528x ColdFire CPU types
m68knommu: add clock definitions for 527x ColdFire CPU types
m68knommu: add clock definitions for 5272 ColdFire CPU types
m68knommu: add clock definitions for 525x ColdFire CPU types
m68knommu: add clock definitions for 5249 ColdFire CPU types
m68knommu: add clock definitions for 523x ColdFire CPU types
m68knommu: add clock definitions for 5206 ColdFire CPU types
m68knommu: add clock creation support macro for other ColdFire CPUs
m68k: fix unused variable warning in mempcy.c
m68knommu: make non-MMU page_to_virt() return a void *
m68knommu: merge ColdFire 5249 and 525x definitions
m68knommu: disable MC68000 cpu target when MMU is selected
m68knommu: allow for configuration of true 68000 based systems
m68knommu: platform code merge for 68000 core cpus
Pull security subsystem updates from James Morris:
"A quiet cycle for the security subsystem with just a few maintenance
updates."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
Smack: create a sysfs mount point for smackfs
Smack: use select not depends in Kconfig
Yama: remove locking from delete path
Yama: add RCU to drop read locking
drivers/char/tpm: remove tasklet and cleanup
KEYS: Use keyring_alloc() to create special keyrings
KEYS: Reduce initial permissions on keys
KEYS: Make the session and process keyrings per-thread
seccomp: Make syscall skipping and nr changes more consistent
key: Fix resource leak
keys: Fix unreachable code
KEYS: Add payload preparsing opportunity prior to key instantiate or update
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Merge tag 'balancenuma-v11' of git://git.kernel.org/pub/scm/linux/kernel/git/mel/linux-balancenuma
Pull Automatic NUMA Balancing bare-bones from Mel Gorman:
"There are three implementations for NUMA balancing, this tree
(balancenuma), numacore which has been developed in tip/master and
autonuma which is in aa.git.
In almost all respects balancenuma is the dumbest of the three because
its main impact is on the VM side with no attempt to be smart about
scheduling. In the interest of getting the ball rolling, it would be
desirable to see this much merged for 3.8 with the view to building
scheduler smarts on top and adapting the VM where required for 3.9.
The most recent set of comparisons available from different people are
mel: https://lkml.org/lkml/2012/12/9/108
mingo: https://lkml.org/lkml/2012/12/7/331
tglx: https://lkml.org/lkml/2012/12/10/437
srikar: https://lkml.org/lkml/2012/12/10/397
The results are a mixed bag. In my own tests, balancenuma does
reasonably well. It's dumb as rocks and does not regress against
mainline. On the other hand, Ingo's tests shows that balancenuma is
incapable of converging for this workloads driven by perf which is bad
but is potentially explained by the lack of scheduler smarts. Thomas'
results show balancenuma improves on mainline but falls far short of
numacore or autonuma. Srikar's results indicate we all suffer on a
large machine with imbalanced node sizes.
My own testing showed that recent numacore results have improved
dramatically, particularly in the last week but not universally.
We've butted heads heavily on system CPU usage and high levels of
migration even when it shows that overall performance is better.
There are also cases where it regresses. Of interest is that for
specjbb in some configurations it will regress for lower numbers of
warehouses and show gains for higher numbers which is not reported by
the tool by default and sometimes missed in treports. Recently I
reported for numacore that the JVM was crashing with
NullPointerExceptions but currently it's unclear what the source of
this problem is. Initially I thought it was in how numacore batch
handles PTEs but I'm no longer think this is the case. It's possible
numacore is just able to trigger it due to higher rates of migration.
These reports were quite late in the cycle so I/we would like to start
with this tree as it contains much of the code we can agree on and has
not changed significantly over the last 2-3 weeks."
* tag 'balancenuma-v11' of git://git.kernel.org/pub/scm/linux/kernel/git/mel/linux-balancenuma: (50 commits)
mm/rmap, migration: Make rmap_walk_anon() and try_to_unmap_anon() more scalable
mm/rmap: Convert the struct anon_vma::mutex to an rwsem
mm: migrate: Account a transhuge page properly when rate limiting
mm: numa: Account for failed allocations and isolations as migration failures
mm: numa: Add THP migration for the NUMA working set scanning fault case build fix
mm: numa: Add THP migration for the NUMA working set scanning fault case.
mm: sched: numa: Delay PTE scanning until a task is scheduled on a new node
mm: sched: numa: Control enabling and disabling of NUMA balancing if !SCHED_DEBUG
mm: sched: numa: Control enabling and disabling of NUMA balancing
mm: sched: Adapt the scanning rate if a NUMA hinting fault does not migrate
mm: numa: Use a two-stage filter to restrict pages being migrated for unlikely task<->node relationships
mm: numa: migrate: Set last_nid on newly allocated page
mm: numa: split_huge_page: Transfer last_nid on tail page
mm: numa: Introduce last_nid to the page frame
sched: numa: Slowly increase the scanning period as NUMA faults are handled
mm: numa: Rate limit setting of pte_numa if node is saturated
mm: numa: Rate limit the amount of memory that is migrated between nodes
mm: numa: Structures for Migrate On Fault per NUMA migration rate limiting
mm: numa: Migrate pages handled during a pmd_numa hinting fault
mm: numa: Migrate on reference policy
...
commit 966458f OMAP: remove vram allocator
Removed the OMAP specific vram allocator but OMAP2 common was
still trying to use it and this lead to the following build error:
CC arch/arm/mach-omap2/common.o
arch/arm/mach-omap2/common.c:19:23: fatal error: plat/vram.h: No such file or directory
compilation terminated.
make[1]: *** [arch/arm/mach-omap2/common.o] Error 1
make: *** [arch/arm/mach-omap2] Error 2
Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: Tony Lindgren <tony@atomide.com>
The .notes, being read-only data by nature, were placed between
read-write .data and .bss. This was harmful in case of the XIP
kernel, as being placed in the RAM range, most likely far
from the ROM address, was inflating the XIP images.
Moving the .notes at the end of the read-only section
(consisting of .text, .rodata and unwind info) fixes the problem.
Reported-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Pawel Moll <pawel.moll@arm.com>
Tested-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This modification is needed to proper boot the custom machines with
the IDs that are not described in the mach-types.h table.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Commit 91a9fec (ARM: move debug macros to common location) moves
arch/arm/kernel/debug.S and arch/arm/kernel/head.S to
CONFIG_DEBUG_LL_INCLUDE, but leaves arch/arm/boot/compressed/head.S
still with mach/debug-macro.S. This causes the following build error
on platforms that moved to new DEBUG_LL inclusion mechanism, when
arch/arm/boot/compressed/head.S is compiled with DEBUG turned on.
AS arch/arm/boot/compressed/head.o
arch/arm/boot/compressed/head.S:49:30: fatal error: mach/debug-macro.S: No such file or directory
compilation terminated.
Fix the problem by replacing mach/debug-macro.S inclusion with
CONFIG_DEBUG_LL_INCLUDE one.
Reported-by: Steev Klimaszewski <steev@genesi-usa.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This reverts commit bd52276fa1 ("x86-64/efi: Use EFI to deal with
platform wall clock (again)"), and the two supporting commits:
da5a108d05b4: "x86/kernel: remove tboot 1:1 page table creation code"
185034e72d59: "x86, efi: 1:1 pagetable mapping for virtual EFI calls")
as they all depend semantically on commit 53b87cf088 ("x86, mm:
Include the entire kernel memory map in trampoline_pgd") that got
reverted earlier due to the problems it caused.
This was pointed out by Yinghai Lu, and verified by me on my Macbook Air
that uses EFI.
Pointed-out-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
OMAPDSS changes, including:
- use dynanic debug prints
- OMAP platform dependency removals
- Creation of compat-layer, helping us to improve omapdrm
- Misc cleanups, aiming to make omadss more in line with the upcoming common
display framework
Exynos DP changes for the 3.8 merge window:
- Device Tree support for Samsung Exynos DP
- SW Link training is cleaned up.
- HPD interrupt is supported.
Samsung Framebuffer changes for the 3.8 merge window:
- The bit definitions of header file are updated.
- Some minor typos are fixed.
- Some minor bugs of s3c_fb_check_var() are fixed.
FB related changes for SH Mobile, Freescale DIU
Add support for the Solomon SSD1307 OLED Controller
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Merge tag 'fbdev-for-3.8' of git://gitorious.org/linux-omap-dss2/linux
Pull fbdev changes from Tomi Valkeinen:
"OMAPDSS changes, including:
- use dynanic debug prints
- OMAP platform dependency removals
- Creation of compat-layer, helping us to improve omapdrm
- Misc cleanups, aiming to make omadss more in line with the upcoming
common display framework
Exynos DP changes for the 3.8 merge window:
- Device Tree support for Samsung Exynos DP
- SW Link training is cleaned up.
- HPD interrupt is supported.
Samsung Framebuffer changes for the 3.8 merge window:
- The bit definitions of header file are updated.
- Some minor typos are fixed.
- Some minor bugs of s3c_fb_check_var() are fixed.
FB related changes for SH Mobile, Freescale DIU
Add support for the Solomon SSD1307 OLED Controller"
* tag 'fbdev-for-3.8' of git://gitorious.org/linux-omap-dss2/linux: (191 commits)
OMAPDSS: fix TV-out issue with DSI PLL
Revert "OMAPFB: simplify locking"
OMAPFB: remove silly loop in fb2display()
OMAPFB: fix error handling in omapfb_find_best_mode()
OMAPFB: use devm_kzalloc to allocate omapfb2_device
OMAPDSS: DISPC: remove dispc fck uses
OMAPDSS: DISPC: get dss clock rate from dss driver
drivers/video/console/softcursor.c: remove redundant NULL check before kfree()
drivers/video: add support for the Solomon SSD1307 OLED Controller
OMAPDSS: use omapdss_compat_init() in other drivers
OMAPDSS: export dispc functions
OMAPDSS: export dss_feat functions
OMAPDSS: export dss_mgr_ops functions
OMAPDSS: separate compat files in the Makefile
OMAPDSS: move display sysfs init to compat layer
OMAPDSS: DPI: use dispc's check_timings
OMAPDSS: DISPC: add dispc_ovl_check()
OMAPDSS: move irq handling to dispc-compat
OMAPDSS: move omap_dispc_wait_for_irq_interruptible_timeout to dispc-compat.c
OMAPDSS: move blocking mgr enable/disable to compat layer
...
Conflicts:
arch/arm/mach-davinci/devices-da8xx.c
arch/arm/plat-omap/common.c
drivers/media/platform/omap/omap_vout.c
Pull microblaze update from Michal Simek:
"The main change is UAPI for Microblaze."
* 'next' of git://git.monstr.eu/linux-2.6-microblaze:
microblaze: signal: Declare do_notify_resume
microblaze: lib: Add lib function declarations
microblaze: lib: Remove helper macros
microblaze: Add static qualifiers
microblaze: Wire-up new system call kcmp
microblaze: Fix intc_enable_or_unmask function
microblaze: Do not initialized regs->r1 twice in ELF_PLAT_INIT
microblaze: Remove passing the second arg to schedule_tail
UAPI: (Scripted) Disintegrate arch/microblaze/include/asm
microblaze: uaccess.h: Fix timerfd syscall
microblaze: Remove BIP from childregs
This reverts commit 53b87cf088.
It causes odd bootup problems on x86-64. Markus Trippelsdorf gets a
repeatable oops, and I see a non-repeatable oops (or constant stream of
messages that scroll off too quickly to read) that seems to go away with
this commit reverted.
So we don't know exactly what is wrong with the commit, but it's
definitely problematic, and worth reverting sooner rather than later.
Bisected-by: Markus Trippelsdorf <markus@trippelsdorf.de>
Cc: H Peter Anvin <hpa@zytor.com>
Cc: Jan Beulich <jbeulich@suse.com>
Cc: Matt Fleming <matt.fleming@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Change the value of status to disabled to keep the consistent
Signed-off-by: Bo Shen <voice.shen@atmel.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Fix the following sparse warnings in the OMAP3/4 CPUIdle code:
arch/arm/mach-omap2/cpuidle34xx.c:272:1: warning: symbol 'omap3_idle_dev' was not declared. Should it be static?
arch/arm/mach-omap2/cpuidle34xx.c:274:23: warning: symbol 'omap3_idle_driver' was not declared. Should it be static?
arch/arm/mach-omap2/cpuidle44xx.c:164:1: warning: symbol 'omap4_idle_dev' was not declared. Should it be static?
arch/arm/mach-omap2/cpuidle44xx.c:166:23: warning: symbol 'omap4_idle_driver' was not declared. Should it be static?
Also fix the following checkpatch warnings:
WARNING: please, no space before tabs
#44: FILE: arch/arm/mach-omap2/cpuidle34xx.c:105:
+^I.name = ^I"omap3_idle",$
WARNING: please, no space before tabs
#45: FILE: arch/arm/mach-omap2/cpuidle34xx.c:106:
+^I.owner = ^ITHIS_MODULE,$
ERROR: code indent should use tabs where possible
#211: FILE: arch/arm/mach-omap2/cpuidle44xx.c:74:
+ /* C2 - CPU0 OFF + CPU1 OFF + MPU CSWR */$
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Kevin Hilman <khilman@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Booting OMAP4460 Pandaboard ES with a recent u-boot results in this
warning:
WARNING: at arch/arm/mach-omap2/dpll3xxx.c:427 omap3_noncore_dpll_enable+0xf4/0x110()
The OMAP4 DPLL parent clock names only listed the reference clocks,
not the bypass clocks. Fix by adding the bypass clocks to the DPLL
parent lists.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Mike Turquette <mturquette@linaro.org>
The OMAP4 clock divider "div_iva_hs_clk" is listed in the clock data
as an OMAP HSDIVIDER, but it's actually a power-of-two divider. This
causes a warning during boot on an OMAP4460 Pandaboard-ES with a
recent u-boot:
WARNING: at arch/arm/mach-omap2/clkt_clksel.c:143 omap2_clksel_recalc+0xf4/0x12c()
clock: div_iva_hs_clk: could not find fieldval 0 for parent dpll_core_m5x2_ck
Fix by converting the data for this clock to a power-of-two divider.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Mike Turquette <mturquette@linaro.org>
Commit d043d87 (ARM: OMAP2+: clockdomain: bypass clockdomain handling
when disabling unused clks) skips the decrementing of a clock-domains
use count if the clocks use count is zero. However, for OMAP4 devices
this is causing the EMU clock-domain to be stuck ON as the use count is
not getting decremented correctly.
The scenario that leads to this problem is described below ...
omap_hwmod_setup_all
--> _setup
--> clkdm_hwmod_enable
--> EMU clock domain usecount = 1
--> _enable_clocks
--> clk_enable
--> trace_clk_div_div usecount = 1
--> clkdm_hwmod_enable
--> EMU clock domain usecount = 2
--> _idle
--> _disable_clocks
--> clk_disable
--> trace_clk_div_div usecount = 0
--> clkdm_hwmod_disable
--> skips decrement of EMU clock domain usecount
because trace_clk_div_div is 0!
--> EMU clock domain usecount = 2
--> clkdm_hwmod_disable
--> EMU clock domain usecount = 1
Hence, due to the order that a clocks use count is decremented and the
clock domain is disabled, it is possible that the clock domain can have
a non-zero use count when the actual clock has a use count of 0.
Therefore, we should only bypass the clock-domain handling when both the
clock-domain and clock in the clock-domain have a use count of 0 and
warn when the clock-domain has a zero use count and the clock has a
non-zero use count.
Signed-off-by: Jon Hunter <jon-hunter@ti.com>
[paul@pwsan.com: fixed checkpatch warning]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
With the latest mainline u-boot bootloader (v2012.10), timers (5-8) in
the ABE power domain are failing to turn-on. The timers never come out
of the disabled state when setting the module-mode field to enable.
The problem was exposed when u-boot was updated to NOT configure and
lock the ABE DPLL on start-up. If the ABE DPLL is configured and locked
by u-boot the problem does not occur. However, if the ABE DPLL is in the
idle low-power bypass state and we attempt to enable a timer in the ABE
power domain, it remains stuck in the disabled state. It appears to be a
problem the timer interface clock as this comes from the ABE DPLL.
If we place the ABE DPLL in the MN-bypass state and not the idle
low-power state, then this problem is not seen.
This problem only appears to occur on OMAP4460 and not OMAP4430.
Workaround this problem by locking the ABE DPLL for OMAP4460 in the
kernel on boot. By locking the ABE DPLL, when clocks from the ABE DPLL
are not being requested the DPLL will transition into a low-power stop
mode.
Signed-off-by: Jon Hunter <jon-hunter@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
On OMAP4 devices, the ABE DPLL has an internal 4X multiplier that can
be enabled or disabled in addition to the standard configurable
multiplier (M) for OMAP DPLLs. When configuring the ABE DPLL the 4X
multiplier is accounted for by checking to see whether it is enabled or
not. However, when calculating a new rate we only check to see if the
rate can be achieved with the current setting for the 4X multiplier.
Enhance the round_rate() function for such DPLLs to see if the rate
can be achieved with the 4X multiplier if it cannot be achieved without
the 4X multiplier.
This change is necessary, because when using the 32kHz clock as the
source clock for the ABE DPLL, the default DPLL frequency for the ABE
DPLL cannot be achieved without enabling the 4X multiplier.
When using the 32kHz clock as the source clock for the ABE DPLL and
attempting to lock the DPLL to 98.304MHz (default frequency), it was
found that the DPLL would fail to lock if the low-power mode for the DPLL
was not enabled. From reviewing boot-loader settings that configure the
ABE DPLL it was found that the low-power mode is enabled when using the
32kHz clock source, however, the documentation for OMAP does not state
that this is a requirement. Therefore, introduce a new function for
OMAP4 devices to see if low-power mode can be enabled when calculating a
new rate to ensure the DPLL will lock.
New variables for the last calculated 4X multiplier and low-power
setting have been added to the dpll data structure as well as variables
defining the bit mask for enabling these features via the DPLL's
control_reg. It is possible that we could eliminate these bit masks from
the dpll data structure as these bit masks are not unique to OMAP4, if
it is preferred.
The function omap3_noncore_program_dpll() has been updated to avoid
passing the calculated values for the multiplier (M) and divider (N) as
these are stored in the clk structure.
Signed-off-by: Jon Hunter <jon-hunter@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Currently all OMAP4 non-core DPLLs use the same function table for
configuring DPLLs. For these DPLLs, the function
omap4_dpll_regm4xen_recalc() is used to recalculate the DPLL rate and
the function omap4_dpll_regm4xen_round_rate() is used to calculate the
closest rate to that requested. However, these omap4_dpll_regm4xen_xxx()
functions are only applicable to the ABE DPLL and not the other non-core
DPLLs. Therefore, add a new function table for non-core DPLLs that do
not include the 4X-multiplier (M4X).
Please note that using these omap4_dpll_regm4x_xxx() function works for
the non-M4X DPLLs today because we only check to see if the 4X
multiplier is enabled when calculating the rate. However, it is planned
that the dpll functions will be enhanced to enable the 4X multiplier as
necessary (in order to achieve the requested rate) and so calling these
functions for non-M4X dplls will no longer work.
Signed-off-by: Jon Hunter <jon-hunter@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Commit "ARM: dts: OMAP4: Update timer addresses" updated the device-tree
names of the OMAP4 timers 5-7 because the default address for the timers
was changed from the L3 address to the MPU private address. When booting
with device-tree, this introduces a regression when attempting to set
the parent clock of timers 5-7 to the sys_clk_div_ck. Therefore, update
the clock aliases for timer 5-7 to reflect the updated device-tree name
for the timers.
Signed-off-by: Jon Hunter <jon-hunter@ti.com>
[paul@pwsan.com: updated to apply after the CCF conversion]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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Merge tag 'disintegrate-x86-20121214' of git://git.infradead.org/users/dhowells/linux-headers
Pull x86 UAPI disintegration from David Howells.
This is the scripted disintegration of the uapi headers for x86, now
that most of the x86 updates for 3.8 are hopefully merged.
* tag 'disintegrate-x86-20121214' of git://git.infradead.org/users/dhowells/linux-headers:
UAPI: (Scripted) Disintegrate arch/x86/include/asm
This is a branch with updates for Marvell's mvebu/kirkwood platforms. They
came in late-ish, and were heavily interdependent such that it didn't
make sense to split them up across the cross-platform topic branches. So
here they are (for the second release in a row) in a branch on their own.
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Merge tag 'mvebu' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC updates for Marvell mvebu/kirkwood from Olof Johansson:
"This is a branch with updates for Marvell's mvebu/kirkwood platforms.
They came in late-ish, and were heavily interdependent such that it
didn't make sense to split them up across the cross-platform topic
branches. So here they are (for the second release in a row) in a
branch on their own."
* tag 'mvebu' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (88 commits)
arm: l2x0: add aurora related properties to OF binding
arm: mvebu: add Aurora L2 Cache Controller to the DT
arm: mvebu: add L2 cache support
dma: mv_xor: fix error handling path
dma: mv_xor: fix error checking of irq_of_parse_and_map()
dma: mv_xor: use request_irq() instead of devm_request_irq()
dma: mv_xor: clear the window override control registers
arm: mvebu: fix address decoding armada_cfg_base() function
ARM: mvebu: update defconfig with I2C and RTC support
ARM: mvebu: Add SATA support for OpenBlocks AX3-4
ARM: mvebu: Add support for the RTC in OpenBlocks AX3-4
ARM: mvebu: Add support for I2C on OpenBlocks AX3-4
ARM: mvebu: Add support for I2C controllers in Armada 370/XP
arm: mvebu: Add hardware I/O Coherency support
arm: plat-orion: Add coherency attribute when setup mbus target
arm: dma mapping: Export a dma ops function arm_dma_set_mask
arm: mvebu: Add SMP support for Armada XP
arm: mm: Add support for PJ4B cpu and init routines
arm: mvebu: Add IPI support via doorbells
arm: mvebu: Add initial support for power managmement service unit
...
We need to move this file to allow ARM multiplatform configurations
to build for omap2+. This can now be done as this file now only
contains platform_data.
cc: Russell King <linux@arm.linux.org.uk>
cc: Alan Cox <alan@linux.intel.com>
cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
cc: Govindraj.R <govindraj.raja@ti.com>
cc: Kevin Hilman <khilman@ti.com>
cc: linux-serial@vger.kernel.org
Reviewed-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Commit 0d9250c (ARM: dts: omap4-panda: Add pinmux configuration for
HDMI) added a new device-tree source file for Rev A4 of the OMAP4430
Panda board but it did not add this version to the makefile. Hence,
add this file to the makefile.
Signed-off-by: Jon Hunter <jon-hunter@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
The system memory node for the OMAP2420 H4 was incorrectly defined as
start address followed by end address, instead of start address and
size. No noticable side-effects were observed but fix this for
correctness.
Signed-off-by: Jon Hunter <jon-hunter@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This branch contains device-tree updates for the SPEAr platform.
They had dependencies on earlier branches from this merge window,
which is why they were broken out in a separate branch.
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Merge tag 'dt2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC device-tree updates, take 2, from Olof Johansson:
"This branch contains device-tree updates for the SPEAr platform. They
had dependencies on earlier branches from this merge window, which is
why they were broken out in a separate branch."
* tag 'dt2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: SPEAr3xx: Shirq: Move shirq controller out of plat/
ARM: SPEAr320: DT: Add SPEAr 320 HMI board support
ARM: SPEAr3xx: DT: add shirq node for interrupt multiplexor
ARM: SPEAr3xx: shirq: simplify and move the shared irq multiplexor to DT
ARM: SPEAr1310: Fix AUXDATA for compact flash controller
ARM: SPEAr13xx: Remove fields not required for ssp controller
ARM: SPEAr1310: Move 1310 specific misc register into machine specific files
ARM: SPEAr: DT: Update device nodes
ARM: SPEAr: DT: add uart state to fix warning
ARM: SPEAr: DT: Modify DT bindings for STMMAC
ARM: SPEAr: DT: Fix existing DT support
ARM: SPEAr: DT: Update partition info for MTD devices
ARM: SPEAr: DT: Update pinctrl list
ARM: SPEAr13xx: DT: Add spics gpio controller nodes
This is the second batch of SoC updates for the 3.8 merge window,
containing parts that had dependencies on earlier branches such that we
couldn't include them with the first branch.
These are general updates for Samsung Exynos, Renesas/shmobile and a
topic branch that adds SMP support to Altera's socfpga platform.
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Merge tag 'soc2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM Soc updates, take 2, from Olof Johansson:
"This is the second batch of SoC updates for the 3.8 merge window,
containing parts that had dependencies on earlier branches such that
we couldn't include them with the first branch.
These are general updates for Samsung Exynos, Renesas/shmobile and a
topic branch that adds SMP support to Altera's socfpga platform."
Fix up conflicts mostly as per Olof.
* tag 'soc2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: EXYNOS: Clock settings for SATA and SATA PHY
ARM: EXYNOS: Add ARM down clock support
ARM: EXYNOS: Fix i2c suspend/resume for legacy controller
ARM: EXYNOS: Add aliases for i2c controller
ARM: EXYNOS: Setup legacy i2c controller interrupts
sh: clkfwk: fixup unsed variable warning
Revert "ARM: shmobile: r8a7779: Replace modify_scu_cpu_psr with scu_power_mode"
Revert "ARM: shmobile: sh73a0: Replace modify_scu_cpu_psr with scu_power_mode"
Revert "ARM: shmobile: emev2: Replace modify_scu_cpu_psr with scu_power_mode"
ARM: highbank: use common debug_ll_io_init
ARM: shmobile: sh7372: sh7372_fsiXck_clk become non-global
ARM: shmobile: sh7372: remove fsidivx clock
ARM: socfpga: mark secondary_trampoline as cpuinit
socfpga: map uart into virtual address space so that early_printk() works
ARM: socfpga: fix build break for allyesconfig
ARM: socfpga: Enable SMP for socfpga
ARM: EXYNOS: Add dp clock support for EXYNOS5
ARM: SAMSUNG: call clk_get_rate for debugfs rate files
ARM: SAMSUNG: add clock_tree debugfs file in clock
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Michael Kerrisk <mtk.manpages@gmail.com>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Dave Jones <davej@redhat.com>
Pull MIPS updates from Ralf Baechle:
"The MIPS bits for 3.8. This also includes a bunch fixes that were
sitting in the linux-mips.org git tree for a long time. This pull
request contains updates to several OCTEON drivers and the board
support code for BCM47XX, BCM63XX, XLP, XLR, XLS, lantiq, Loongson1B,
updates to the SSB bus support, MIPS kexec code and adds support for
kdump.
When pulling this, there are two expected merge conflicts in
include/linux/bcma/bcma_driver_chipcommon.h which are trivial to
resolve, just remove the conflict markers and keep both alternatives."
* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (90 commits)
MIPS: PMC-Sierra Yosemite: Remove support.
VIDEO: Newport Fix console crashes
MIPS: wrppmc: Fix build of PCI code.
MIPS: IP22/IP28: Fix build of EISA code.
MIPS: RB532: Fix build of prom code.
MIPS: PowerTV: Fix build.
MIPS: IP27: Correct fucked grammar in ops-bridge.c
MIPS: Highmem: Fix build error if CONFIG_DEBUG_HIGHMEM is disabled
MIPS: Fix potencial corruption
MIPS: Fix for warning from FPU emulation code
MIPS: Handle COP3 Unusable exception as COP1X for FP emulation
MIPS: Fix poweroff failure when HOTPLUG_CPU configured.
MIPS: MT: Fix build with CONFIG_UIDGID_STRICT_TYPE_CHECKS=y
MIPS: Remove unused smvp.h
MIPS/EDAC: Improve OCTEON EDAC support.
MIPS: OCTEON: Add definitions for OCTEON memory contoller registers.
MIPS: OCTEON: Add OCTEON family definitions to octeon-model.h
ata: pata_octeon_cf: Use correct byte order for DMA in when built little-endian.
MIPS/OCTEON/ata: Convert pata_octeon_cf.c to use device tree.
MIPS: Remove usage of CEVT_R4K_LIB config option.
...
Merging in the smp-on-socfpga branch into soc2 since the topics are similar
and it's a short branch in the first place.
* next/smp:
ARM: socfpga: mark secondary_trampoline as cpuinit
socfpga: map uart into virtual address space so that early_printk() works
ARM: socfpga: fix build break for allyesconfig
ARM: socfpga: Enable SMP for socfpga
Signed-off-by: Olof Johansson <olof@lixom.net>
Instead of using cpu_is_omap..() macros in the device driver we
rely on information provided in the platform data.
The only information we need is whether the USB Host module has
a single ULPI bypass control bit for all ports or individual bypass
control bits for each port. OMAP3 REV2.1 and earlier have the former.
Signed-off-by: Roger Quadros <rogerq@ti.com>
Acked-by: Samuel Ortiz <sameo@linux.intel.com>
[tony@atomide.com: updated to remove plat/cpu.h]
Signed-off-by: Tony Lindgren <tony@atomide.com>
The OMAP2420 H4 board was the only board using the
plat-omap/debug-devices.c code for configuring ethernet support. Now
that OMAP2420 H4 has been migrated to use the generic gpmc code for
configuring ethernet support, the debug-devices.c file is no longer
used and so remove it and its header file.
Signed-off-by: Jon Hunter <jon-hunter@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Ethernet is not currently working on the OMAP2420 H4 board. In commit
f604931 (ARM: OMAP: abstract debug card setup (smc, leds)) the function
h4_init_smc91x() that initialised the ethernet controller was renamed to
h4_init_debug() but was never called when initialising the board.
Adding a call to h4_init_debug() fixes ethernet support, however,
instead of using the legacy H4 code migrate the H4 to use the
gpmc_smc91x_init() function instead and remove the legacy H4 code.
Signed-off-by: Jon Hunter <jon-hunter@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
OMAP_MODE_GPIO() macro verified only OMAP_MUX_MODE4.
It is not correct for following platforms:
2430 - gpio mux mode 3
44xx - gpio mux mode 3
54xx - gpio mux mode 6
Patch reserves first 3 bits in partition flags for storing gpio mux
mode in same format as stored in control pad register.
Modified OMAP_MODE_GPIO() macro to handle all possible cases of gpio mux mode.
Modified omap_mux_init() flags of omap34xx to include OMAP_MUX_GPIO_IN_MODE4.
Signed-off-by: Oleg Matcovschi <oleg.matcovschi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
The i2c handling in tfp410 driver, which handles converting parallel RGB
to DVI, was changed in 958f2717b8
(OMAPDSS: TFP410: pdata rewrite). The patch changed what value the
driver considers as invalid/undefined. Before the patch, 0 was the
invalid value, but as 0 is a valid bus number, the patch changed this to
-1.
However, the fact was missed that many board files do not define the bus
number at all, thus it's left to 0. This causes the driver to fail to
get the i2c bus, exiting from the driver's probe with an error, meaning
that the DVI output does not work for those boards.
This patch fixes the issue by changing the i2c_bus number field in the
driver's platform data from u16 to int, and setting the bus number to -1
in the board files for the boards that did not define the bus. The
exception is devkit8000, for which the bus is set to 1, which is the
correct bus for that board.
The bug exists in v3.5+ kernels.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reported-by: Thomas Weber <thomas@tomweber.eu>
Cc: Thomas Weber <thomas@tomweber.eu>
Cc: <stable@vger.kernel.org> # v3.5+
Signed-off-by: Tony Lindgren <tony@atomide.com>
Pull x86 EFI update from Peter Anvin:
"EFI tree, from Matt Fleming. Most of the patches are the new efivarfs
filesystem by Matt Garrett & co. The balance are support for EFI
wallclock in the absence of a hardware-specific driver, and various
fixes and cleanups."
* 'core-efi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (24 commits)
efivarfs: Make efivarfs_fill_super() static
x86, efi: Check table header length in efi_bgrt_init()
efivarfs: Use query_variable_info() to limit kmalloc()
efivarfs: Fix return value of efivarfs_file_write()
efivarfs: Return a consistent error when efivarfs_get_inode() fails
efivarfs: Make 'datasize' unsigned long
efivarfs: Add unique magic number
efivarfs: Replace magic number with sizeof(attributes)
efivarfs: Return an error if we fail to read a variable
efi: Clarify GUID length calculations
efivarfs: Implement exclusive access for {get,set}_variable
efivarfs: efivarfs_fill_super() ensure we clean up correctly on error
efivarfs: efivarfs_fill_super() ensure we free our temporary name
efivarfs: efivarfs_fill_super() fix inode reference counts
efivarfs: efivarfs_create() ensure we drop our reference on inode on error
efivarfs: efivarfs_file_read ensure we free data in error paths
x86-64/efi: Use EFI to deal with platform wall clock (again)
x86/kernel: remove tboot 1:1 page table creation code
x86, efi: 1:1 pagetable mapping for virtual EFI calls
x86, mm: Include the entire kernel memory map in trampoline_pgd
...
Pull x86 ACPI update from Peter Anvin:
"This is a patchset which didn't make the last merge window. It adds a
debugging capability to feed ACPI tables via the initramfs.
On a grander scope, it formalizes using the initramfs protocol for
feeding arbitrary blobs which need to be accessed early to the kernel:
they are fed first in the initramfs blob (lots of bootloaders can
concatenate this at boot time, others can use a single file) in an
uncompressed cpio archive using filenames starting with "kernel/".
The ACPI maintainers requested that this patchset be fed via the x86
tree rather than the ACPI tree as the footprint in the general x86
code is much bigger than in the ACPI code proper."
* 'x86-acpi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
X86 ACPI: Use #ifdef not #if for CONFIG_X86 check
ACPI: Fix build when disabled
ACPI: Document ACPI table overriding via initrd
ACPI: Create acpi_table_taint() function to avoid code duplication
ACPI: Implement physical address table override
ACPI: Store valid ACPI tables passed via early initrd in reserved memblock areas
x86, acpi: Introduce x86 arch specific arch_reserve_mem_area() for e820 handling
lib: Add early cpio decoder
Pull x86 RAS update from Ingo Molnar:
"Rework all config variables used throughout the MCA code and collect
them together into a mca_config struct. This keeps them tightly and
neatly packed together instead of spilled all over the place.
Then, convert those which are used as booleans into real booleans and
save some space. These bits are exposed via
/sys/devices/system/machinecheck/machinecheck*/"
* 'x86-ras-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86, MCA: Finish mca_config conversion
x86, MCA: Convert the next three variables batch
x86, MCA: Convert rip_msr, mce_bootlog, monarch_timeout
x86, MCA: Convert dont_log_ce, banks and tolerant
drivers/base: Add a DEVICE_BOOL_ATTR macro
Use the newer idioms for setting PTRACE_O_xxx and PT_TRACE_xxx flags.
Only set/clear tile-specific flags if the generic routine returns
success, since otherwise we want to avoid setting any flags at all.
Atomically update the ptrace flags with the new values. Eliminate
the PT_TRACE_MASK_TILE bitmask and just shift PTRACE_O_MASK_TILE.
Add a BUILD_BUG_ON to avoid overlapping with generic bits.
Acked-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
Sparse generates the following warnings when compiling mach-omap2/timer.c.
CHECK arch/arm/mach-omap2/timer.c
arch/arm/mach-omap2/timer.c:193:13: warning: symbol 'omap_dmtimer_init'
was not declared. Should it be static?
arch/arm/mach-omap2/timer.c:213:12: warning: symbol
'omap_dm_timer_get_errata' was not declared. Should it be static?
Add static to function declaration to fix warnings.
Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Jon Hunter <jon-hunter@ti.com>
When compiling the kernel with configuration options ...
# CONFIG_ARCH_OMAP2 is not set
# CONFIG_ARCH_OMAP3 is not set
# CONFIG_ARCH_OMAP4 is not set
# CONFIG_SOC_OMAP5 is not set
CONFIG_SOC_AM33XX=y
... the following build warning is seen.
CC arch/arm/mach-omap2/timer.o
arch/arm/mach-omap2/timer.c:395:19: warning: ‘omap2_sync32k_clocksource_init’
defined but not used [-Wunused-function]
This issue was introduced by commit 6f80b3b (ARM: OMAP2+: timer: remove
CONFIG_OMAP_32K_TIMER) where the omap2_sync32k_clocksource_init() is no
longer referenced by the timer initialisation function for the AM335x
device as it has no 32k-sync timer.
Fix this by adding the "__maybe_unused" compiler directive to the
omap2_sync32k_clocksource_init() function to indicate that this function
may be used for certain configurations.
Cc: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Jon Hunter <jon-hunter@ti.com>
In commit fa6d79d (ARM: OMAP: Add initialisation for the real-time
counter), the function realtime_counter_init() was added. However, if
the kernel configuration option CONFIG_SOC_OMAP5 is not selected then
the following compiler warning is observed.
CC arch/arm/mach-omap2/timer.o
arch/arm/mach-omap2/timer.c:489:20: warning: ‘realtime_counter_init’
defined but not used [-Wunused-function]
Commit fa6d79d also introduced the kernel configuration option
CONFIG_SOC_HAS_REALTIME_COUNTER. If this option is not selected then the
a stub function for realtime_counter_init() is defined.
For non-OMAP5 devices, there is no realtime counter and so
realtime_counter_init() function and stub function are not used for
these devices. Therefore, fix this warning by only allowing the kernel
configuration option CONFIG_SOC_HAS_REALTIME_COUNTER to be enabled for
OMAP5 devices.
Cc: Santosh Shilimkar <santosh.shilimkar@ti.com>
Reported-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Jon Hunter <jon-hunter@ti.com>
Acked-by Santosh Shilimkar <santosh.shilimkar@ti.com>
Add support for reading the PCI function measurement block counters
provided by the hypervisor. Add two s390 debug features, one for
critical errors and one for tracing and provide wrappers to log data.
Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
- Two new drivers from Pali Rohár and N900 hackers: rx51_battery and
bq2415x_charger. The drivers are a part of a solution to replace the
proprietary Nokia BME stack;
- Power supply core now registers devices with a thermal cooling
subsystem, so we can now automatically throttle charging. Thanks to
Ramakrishna Pallala!
- Device tree support for ab8500 and max8925_power drivers;
- Random fixups and enhancements for a bunch of drivers.
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Merge tag 'for-v3.8-merged' of git://git.infradead.org/battery-2.6
Pull battery subsystem updates from Anton Vorontsov:
"Highlights:
- Two new drivers from Pali Rohár and N900 hackers: rx51_battery and
bq2415x_charger. The drivers are a part of a solution to replace
the proprietary Nokia BME stack
- Power supply core now registers devices with a thermal cooling
subsystem, so we can now automatically throttle charging. Thanks
to Ramakrishna Pallala!
- Device tree support for ab8500 and max8925_power drivers
- Random fixups and enhancements for a bunch of drivers."
* tag 'for-v3.8-merged' of git://git.infradead.org/battery-2.6: (22 commits)
max8925_power: Add support for device-tree initialization
ab8500: Add devicetree support for chargalg
ab8500: Add devicetree support for charger
ab8500: Add devicetree support for btemp
ab8500: Add devicetree support for fuelgauge
twl4030_charger: Change TWL4030_MODULE_* ids to TWL_MODULE_*
jz4740-battery: Use devm_request_and_ioremap
jz4740-battery: Use devm_kzalloc
bq27x00_battery: Fixup nominal available capacity reporting
bq2415x_charger: Fix style issues
bq2415x_charger: Add Kconfig/Makefile entries
power_supply: Add bq2415x charger driver
power_supply: Add new Nokia RX-51 (N900) power supply battery driver
max17042_battery: Fix missing verify_model_lock() return value check
ds2782_battery: Fix signedness bug in ds278x_read_reg16()
lp8788-charger: Fix ADC channel names
lp8788-charger: Fix wrong ADC conversion
lp8788-charger: Use consumer device name on setting IIO channels
power_supply: Register power supply for thermal cooling device
power_supply: Add support for CHARGE_CONTROL_* attributes
...
Pull media updates from Mauro Carvalho Chehab:
- Missing MAINTAINERS entries were added for several drivers
- Adds V4L2 support for DMABUF handling, allowing zero-copy buffer
sharing between V4L2 devices and GPU
- Got rid of all warnings when compiling with W=1 on x86
- Add a new driver for Exynos hardware (s3c-camif)
- Several bug fixes, cleanups and driver improvements
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (243 commits)
[media] omap3isp: Replace cpu_is_omap3630() with ISP revision check
[media] omap3isp: Prepare/unprepare clocks before/after enable/disable
[media] omap3isp: preview: Add support for 8-bit formats at the sink pad
[media] omap3isp: Replace printk with dev_*
[media] omap3isp: Find source pad from external entity
[media] omap3isp: Configure CSI-2 phy based on platform data
[media] omap3isp: Add PHY routing configuration
[media] omap3isp: Add CSI configuration registers from control block to ISP resources
[media] omap3isp: Remove unneeded module memory address definitions
[media] omap3isp: Use monotonic timestamps for statistics buffers
[media] uvcvideo: Fix control value clamping for unsigned integer controls
[media] uvcvideo: Mark first output terminal as default video node
[media] uvcvideo: Add VIDIOC_[GS]_PRIORITY support
[media] uvcvideo: Return -ENOTTY for unsupported ioctls
[media] uvcvideo: Set device_caps in VIDIOC_QUERYCAP
[media] uvcvideo: Don't fail when an unsupported format is requested
[media] uvcvideo: Return -EACCES when trying to access a read/write-only control
[media] uvcvideo: Set error_idx properly for extended controls API failures
[media] rtl28xxu: add NOXON DAB/DAB+ USB dongle rev 2
[media] fc2580: write some registers conditionally
...
Append the SEC IRQ after the IVG6, which is consistent to BF5xx SIC.
Exclude SIC irqchip fucntions from SEC code.
Call handle_fasteoi_irq in SEC error and fault handler.
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bob Liu <lliubbo@gmail.com>
In commit d0a21265df David Rientjes unified various archs'
module_alloc implementation (including x86) and removed the graduitous
shortcut for size == 0.
Then, in commit de7d2b567d, Joe Perches added a warning for
zero-length vmallocs, which can happen without kallsyms on modules
with no init sections (eg. zlib_deflate).
Fix this once and for all; the module code has to handle zero length
anyway, so get it right at the caller and remove the now-gratuitous
checks within the arch-specific module_alloc implementations.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=42608
Reported-by: Conrad Kostecki <ConiKost@gmx.de>
Cc: David Rientjes <rientjes@google.com>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
(This is just for Acks: this won't work without the actual syscall patches,
sitting in my tree for -next at the moment).
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Add finit_module syscall to the ARM syscall list.
Signed-off-by: Kees Cook <keescook@chromium.org>
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
As part of the effort to create a stronger boundary between root and
kernel, Chrome OS wants to be able to enforce that kernel modules are
being loaded only from our read-only crypto-hash verified (dm_verity)
root filesystem. Since the init_module syscall hands the kernel a module
as a memory blob, no reasoning about the origin of the blob can be made.
Earlier proposals for appending signatures to kernel modules would not be
useful in Chrome OS, since it would involve adding an additional set of
keys to our kernel and builds for no good reason: we already trust the
contents of our root filesystem. We don't need to verify those kernel
modules a second time. Having to do signature checking on module loading
would slow us down and be redundant. All we need to know is where a
module is coming from so we can say yes/no to loading it.
If a file descriptor is used as the source of a kernel module, many more
things can be reasoned about. In Chrome OS's case, we could enforce that
the module lives on the filesystem we expect it to live on. In the case
of IMA (or other LSMs), it would be possible, for example, to examine
extended attributes that may contain signatures over the contents of
the module.
This introduces a new syscall (on x86), similar to init_module, that has
only two arguments. The first argument is used as a file descriptor to
the module and the second argument is a pointer to the NULL terminated
string of module arguments.
Signed-off-by: Kees Cook <keescook@chromium.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> (merge fixes)
Pull KVM updates from Marcelo Tosatti:
"Considerable KVM/PPC work, x86 kvmclock vsyscall support,
IA32_TSC_ADJUST MSR emulation, amongst others."
Fix up trivial conflict in kernel/sched/core.c due to cross-cpu
migration notifier added next to rq migration call-back.
* tag 'kvm-3.8-1' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (156 commits)
KVM: emulator: fix real mode segment checks in address linearization
VMX: remove unneeded enable_unrestricted_guest check
KVM: VMX: fix DPL during entry to protected mode
x86/kexec: crash_vmclear_local_vmcss needs __rcu
kvm: Fix irqfd resampler list walk
KVM: VMX: provide the vmclear function and a bitmap to support VMCLEAR in kdump
x86/kexec: VMCLEAR VMCSs loaded on all cpus if necessary
KVM: MMU: optimize for set_spte
KVM: PPC: booke: Get/set guest EPCR register using ONE_REG interface
KVM: PPC: bookehv: Add EPCR support in mtspr/mfspr emulation
KVM: PPC: bookehv: Add guest computation mode for irq delivery
KVM: PPC: Make EPCR a valid field for booke64 and bookehv
KVM: PPC: booke: Extend MAS2 EPN mask for 64-bit
KVM: PPC: e500: Mask MAS2 EPN high 32-bits in 32/64 tlbwe emulation
KVM: PPC: Mask ea's high 32-bits in 32/64 instr emulation
KVM: PPC: e500: Add emulation helper for getting instruction ea
KVM: PPC: bookehv64: Add support for interrupt handling
KVM: PPC: bookehv: Remove GET_VCPU macro from exception handler
KVM: PPC: booke: Fix get_tb() compile error on 64-bit
KVM: PPC: e500: Silence bogus GCC warning in tlb code
...
- Add necessary infrastructure to make balloon driver work under ARM.
- Add /dev/xen/privcmd interfaces to work with ARM and PVH.
- Improve Xen PCIBack wild-card parsing.
- Add Xen ACPI PAD (Processor Aggregator) support - so can offline/online
sockets depending on the power consumption.
- PVHVM + kexec = use an E820_RESV region for the shared region so we don't
overwrite said region during kexec reboot.
- Cleanups, compile fixes.
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Merge tag 'stable/for-linus-3.8-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen
Pull Xen updates from Konrad Rzeszutek Wilk:
- Add necessary infrastructure to make balloon driver work under ARM.
- Add /dev/xen/privcmd interfaces to work with ARM and PVH.
- Improve Xen PCIBack wild-card parsing.
- Add Xen ACPI PAD (Processor Aggregator) support - so can offline/
online sockets depending on the power consumption.
- PVHVM + kexec = use an E820_RESV region for the shared region so we
don't overwrite said region during kexec reboot.
- Cleanups, compile fixes.
Fix up some trivial conflicts due to the balloon driver now working on
ARM, and there were changes next to the previous work-arounds that are
now gone.
* tag 'stable/for-linus-3.8-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen:
xen/PVonHVM: fix compile warning in init_hvm_pv_info
xen: arm: implement remap interfaces needed for privcmd mappings.
xen: correctly use xen_pfn_t in remap_domain_mfn_range.
xen: arm: enable balloon driver
xen: balloon: allow PVMMU interfaces to be compiled out
xen: privcmd: support autotranslated physmap guests.
xen: add pages parameter to xen_remap_domain_mfn_range
xen/acpi: Move the xen_running_on_version_or_later function.
xen/xenbus: Remove duplicate inclusion of asm/xen/hypervisor.h
xen/acpi: Fix compile error by missing decleration for xen_domain.
xen/acpi: revert pad config check in xen_check_mwait
xen/acpi: ACPI PAD driver
xen-pciback: reject out of range inputs
xen-pciback: simplify and tighten parsing of device IDs
xen PVonHVM: use E820_Reserved area for shared_info
Pull s390 update from Martin Schwidefsky:
"Add support to generate code for the latest machine zEC12, MOD and XOR
instruction support for the BPF jit compiler, the dasd safe offline
feature and the big one: the s390 architecture gets PCI support!!
Right before the world ends on the 21st ;-)"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (41 commits)
s390/qdio: rename the misleading PCI flag of qdio devices
s390/pci: remove obsolete email addresses
s390/pci: speed up __iowrite64_copy by using pci store block insn
s390/pci: enable NEED_DMA_MAP_STATE
s390/pci: no msleep in potential IRQ context
s390/pci: fix potential NULL pointer dereference in dma_free_seg_table()
s390/pci: use kmem_cache_zalloc instead of kmem_cache_alloc/memset
s390/bpf,jit: add support for XOR instruction
s390/bpf,jit: add support MOD instruction
s390/cio: fix pgid reserved check
vga: compile fix, disable vga for s390
s390/pci: add PCI Kconfig options
s390/pci: s390 specific PCI sysfs attributes
s390/pci: PCI hotplug support via SCLP
s390/pci: CHSC PCI support for error and availability events
s390/pci: DMA support
s390/pci: PCI adapter interrupts for MSI/MSI-X
s390/bitops: find leftmost bit instruction support
s390/pci: CLP interface
s390/pci: base support
...
Pull m68k updates from Geert Uytterhoeven.
Fix up trivial conflict (m68k switched to generic version of
uapi/asm/socket.h, net tree updated the old one) as per Geert.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k:
m68k/sun3: Fix instruction faults
m68k/sun3: Get interrupts working again
m68k: move to a single instance of free_initmem()
m68k: merge MMU and non-MMU versions of mm/init.c
m68k: switch to using the asm-generic termios.h
m68k: switch to using the asm-generic termbits.h
m68k: switch to using the asm-generic sockios.h
m68k: switch to using the asm-generic socket.h
m68k: switch to using the asm-generic shmbuf.h
m68k: switch to using the asm-generic sembuf.h
m68k: switch to using the asm-generic msgbuf.h
m68k: switch to using the asm-generic auxvec.h
m68k: switch to using the asm-generic shmparam.h
m68k: switch to using the asm-generic spinlock.h
m68k: switch to using the asm-generic hw_irq.h
arch/m68k: remove CONFIG_EXPERIMENTAL
Merge misc VM changes from Andrew Morton:
"The rest of most-of-MM. The other MM bits await a slab merge.
This patch includes the addition of a huge zero_page. Not a
performance boost but it an save large amounts of physical memory in
some situations.
Also a bunch of Fujitsu engineers are working on memory hotplug.
Which, as it turns out, was badly broken. About half of their patches
are included here; the remainder are 3.8 material."
However, this merge disables CONFIG_MOVABLE_NODE, which was totally
broken. We don't add new features with "default y", nor do we add
Kconfig questions that are incomprehensible to most people without any
help text. Does the feature even make sense without compaction or
memory hotplug?
* akpm: (54 commits)
mm/bootmem.c: remove unused wrapper function reserve_bootmem_generic()
mm/memory.c: remove unused code from do_wp_page()
asm-generic, mm: pgtable: consolidate zero page helpers
mm/hugetlb.c: fix warning on freeing hwpoisoned hugepage
hwpoison, hugetlbfs: fix RSS-counter warning
hwpoison, hugetlbfs: fix "bad pmd" warning in unmapping hwpoisoned hugepage
mm: protect against concurrent vma expansion
memcg: do not check for mm in __mem_cgroup_count_vm_event
tmpfs: support SEEK_DATA and SEEK_HOLE (reprise)
mm: provide more accurate estimation of pages occupied by memmap
fs/buffer.c: remove redundant initialization in alloc_page_buffers()
fs/buffer.c: do not inline exported function
writeback: fix a typo in comment
mm: introduce new field "managed_pages" to struct zone
mm, oom: remove statically defined arch functions of same name
mm, oom: remove redundant sleep in pagefault oom handler
mm, oom: cleanup pagefault oom handler
memory_hotplug: allow online/offline memory to result movable node
numa: add CONFIG_MOVABLE_NODE for movable-dedicated node
mm, memcg: avoid unnecessary function call when memcg is disabled
...
Host bridge hotplug:
- Untangle _PRT from struct pci_bus (Bjorn Helgaas)
- Request _OSC control before scanning root bus (Taku Izumi)
- Assign resources when adding host bridge (Yinghai Lu)
- Remove root bus when removing host bridge (Yinghai Lu)
- Remove _PRT during hot remove (Yinghai Lu)
SRIOV
- Add sysfs knobs to control numVFs (Don Dutile)
Power management
- Notify devices when power resource turned on (Huang Ying)
Bug fixes
- Work around broken _SEG on HP xw9300 (Bjorn Helgaas)
- Keep runtime PM enabled for unbound PCI devices (Huang Ying)
- Fix Optimus dual-GPU runtime D3 suspend issue (Dave Airlie)
- Fix xen frontend shutdown issue (David Vrabel)
- Work around PLX PCI 9050 BAR alignment erratum (Ian Abbott)
Miscellaneous
- Add GPL license for drivers/pci/ioapic (Andrew Cooks)
- Add standard PCI-X, PCIe ASPM register #defines (Bjorn Helgaas)
- NumaChip remote PCI support (Daniel Blueman)
- Fix PCIe Link Capabilities Supported Link Speed definition (Jingoo Han)
- Convert dev_printk() to dev_info(), etc (Joe Perches)
- Add support for non PCI BAR ROM data (Matthew Garrett)
- Add x86 support for host bridge translation offset (Mike Yoknis)
- Report success only when every driver supports AER (Vijay Pandarathil)
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Merge tag 'for-3.8' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI update from Bjorn Helgaas:
"Host bridge hotplug:
- Untangle _PRT from struct pci_bus (Bjorn Helgaas)
- Request _OSC control before scanning root bus (Taku Izumi)
- Assign resources when adding host bridge (Yinghai Lu)
- Remove root bus when removing host bridge (Yinghai Lu)
- Remove _PRT during hot remove (Yinghai Lu)
SRIOV
- Add sysfs knobs to control numVFs (Don Dutile)
Power management
- Notify devices when power resource turned on (Huang Ying)
Bug fixes
- Work around broken _SEG on HP xw9300 (Bjorn Helgaas)
- Keep runtime PM enabled for unbound PCI devices (Huang Ying)
- Fix Optimus dual-GPU runtime D3 suspend issue (Dave Airlie)
- Fix xen frontend shutdown issue (David Vrabel)
- Work around PLX PCI 9050 BAR alignment erratum (Ian Abbott)
Miscellaneous
- Add GPL license for drivers/pci/ioapic (Andrew Cooks)
- Add standard PCI-X, PCIe ASPM register #defines (Bjorn Helgaas)
- NumaChip remote PCI support (Daniel Blueman)
- Fix PCIe Link Capabilities Supported Link Speed definition (Jingoo
Han)
- Convert dev_printk() to dev_info(), etc (Joe Perches)
- Add support for non PCI BAR ROM data (Matthew Garrett)
- Add x86 support for host bridge translation offset (Mike Yoknis)
- Report success only when every driver supports AER (Vijay
Pandarathil)"
Fix up trivial conflicts.
* tag 'for-3.8' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (48 commits)
PCI: Use phys_addr_t for physical ROM address
x86/PCI: Add NumaChip remote PCI support
ath9k: Use standard #defines for PCIe Capability ASPM fields
iwlwifi: Use standard #defines for PCIe Capability ASPM fields
iwlwifi: collapse wrapper for pcie_capability_read_word()
iwlegacy: Use standard #defines for PCIe Capability ASPM fields
iwlegacy: collapse wrapper for pcie_capability_read_word()
cxgb3: Use standard #defines for PCIe Capability ASPM fields
PCI: Add standard PCIe Capability Link ASPM field names
PCI/portdrv: Use PCI Express Capability accessors
PCI: Use standard PCIe Capability Link register field names
x86: Use PCI setup data
PCI: Add support for non-BAR ROMs
PCI: Add pcibios_add_device
EFI: Stash ROMs if they're not in the PCI BAR
PCI: Add and use standard PCI-X Capability register names
PCI/PM: Keep runtime PM enabled for unbound PCI devices
xen-pcifront: Handle backend CLOSED without CLOSING
PCI: SRIOV control and status via sysfs (documentation)
PCI/AER: Report success only when every device has AER-aware driver
...
Pull trivial branch from Jiri Kosina:
"Usual stuff -- comment/printk typo fixes, documentation updates, dead
code elimination."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (39 commits)
HOWTO: fix double words typo
x86 mtrr: fix comment typo in mtrr_bp_init
propagate name change to comments in kernel source
doc: Update the name of profiling based on sysfs
treewide: Fix typos in various drivers
treewide: Fix typos in various Kconfig
wireless: mwifiex: Fix typo in wireless/mwifiex driver
messages: i2o: Fix typo in messages/i2o
scripts/kernel-doc: check that non-void fcts describe their return value
Kernel-doc: Convention: Use a "Return" section to describe return values
radeon: Fix typo and copy/paste error in comments
doc: Remove unnecessary declarations from Documentation/accounting/getdelays.c
various: Fix spelling of "asynchronous" in comments.
Fix misspellings of "whether" in comments.
eisa: Fix spelling of "asynchronous".
various: Fix spelling of "registered" in comments.
doc: fix quite a few typos within Documentation
target: iscsi: fix comment typos in target/iscsi drivers
treewide: fix typo of "suport" in various comments and Kconfig
treewide: fix typo of "suppport" in various comments
...
This update contains a fairly wide range of changes all over in sound
subdirectory, mainly because of UAPI header moves by David and __dev*
annotation removals by Bill. Other highlights are:
- Introduced the support for wallclock timestamps in ALSA PCM core
- Add the poll loop implementation for HD-audio jack detection
- Yet more VGA-switcheroo fixes for HD-audio
- New VIA HD-audio codec support
- More fixes on resource management in USB audio and MIDI drivers
- More quirks for USB-audio ASUS Xonar U3, Reloop Play, Focusrite,
Roland VG-99, etc
- Add support for FastTrack C400 usb-audio
- Clean ups in many drivers regarding firmware loading
- Add PSC724 Ultiimate Edge support to ice1712
- A few hdspm driver updates
- New Stanton SCS.1d/1m FireWire driver
- Standardisation of the logging in ASoC codes
- DT and dmaengine support for ASoC Atmel
- Support for Wolfson ADSP cores
- New drivers for Freescale/iVeia P1022 and Maxim MAX98090
- Lots of other ASoC driver fixes and developments
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Merge tag 'sound-3.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"This update contains a fairly wide range of changes all over in sound
subdirectory, mainly because of UAPI header moves by David and __dev*
annotation removals by Bill. Other highlights are:
- Introduced the support for wallclock timestamps in ALSA PCM core
- Add the poll loop implementation for HD-audio jack detection
- Yet more VGA-switcheroo fixes for HD-audio
- New VIA HD-audio codec support
- More fixes on resource management in USB audio and MIDI drivers
- More quirks for USB-audio ASUS Xonar U3, Reloop Play, Focusrite,
Roland VG-99, etc
- Add support for FastTrack C400 usb-audio
- Clean ups in many drivers regarding firmware loading
- Add PSC724 Ultiimate Edge support to ice1712
- A few hdspm driver updates
- New Stanton SCS.1d/1m FireWire driver
- Standardisation of the logging in ASoC codes
- DT and dmaengine support for ASoC Atmel
- Support for Wolfson ADSP cores
- New drivers for Freescale/iVeia P1022 and Maxim MAX98090
- Lots of other ASoC driver fixes and developments"
Fix up trivial conflicts. And go out on a limb and assume the dts file
'status' field of one of the conflicting things was supposed to be
"disabled", not "disable" like in pretty much all other cases.
* tag 'sound-3.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (341 commits)
ALSA: hda - Move runtime PM check to runtime_idle callback
ALSA: hda - Add stereo-dmic fixup for Acer Aspire One 522
ALSA: hda - Avoid doubly suspend after vga switcheroo
ALSA: usb-audio: Enable S/PDIF on the ASUS Xonar U3
ALSA: hda - Check validity of CORB/RIRB WP reads
ALSA: hda - use usleep_range in link reset and change timeout check
ALSA: HDA: VIA: Add support for codec VT1808.
ALSA: HDA: VIA Add support for codec VT1705CF.
ASoC: codecs: remove __dev* attributes
ASoC: utils: remove __dev* attributes
ASoC: ux500: remove __dev* attributes
ASoC: txx9: remove __dev* attributes
ASoC: tegra: remove __dev* attributes
ASoC: spear: remove __dev* attributes
ASoC: sh: remove __dev* attributes
ASoC: s6000: remove __dev* attributes
ASoC: OMAP: remove __dev* attributes
ASoC: nuc900: remove __dev* attributes
ASoC: mxs: remove __dev* attributes
ASoC: kirkwood: remove __dev* attributes
...
This branch contains board updates for shmobile that had dependencies
on earlier branches past the first driver branch, and thus are merged
separately.
Most of these are to enable audio and USB on shmobile. They contain a
dependent ASoC branch that has been coordinated with Mark Brown.
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Merge tag 'boards2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC board updates, take 2 from Olof Johansson:
"This branch contains board updates for shmobile that had dependencies
on earlier branches past the first driver branch, and thus are merged
separately.
Most of these are to enable audio and USB on shmobile. They contain a
dependent ASoC branch that has been coordinated with Mark Brown."
* tag 'boards2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: shmobile: mackerel: Add FLCTL IRQ resource
ARM: shmobile: use FSI driver's audio clock on ap4evb
ARM: shmobile: use FSI driver's audio clock on mackerel
ARM: shmobile: use FSI driver's audio clock on armadillo800eva
ARM: shmobile: mackerel: enable DMAEngine on USB Host
ARM: shmobile: marzen: add USB OHCI driver support
ARM: shmobile: marzen: add USB EHCI driver support
ARM: shmobile: marzen: add USB phy support
ASoC: fsi: add master clock control functions
ASoC: fsi: care fsi_hw_start/stop() return value
ASoC: fsi: fsi_set_master_clk() was called from fsi_hw_xxx() only
ASoC: fsi: use devm_request_irq()
ASoC: fsi: fixup channels_min/max
This branch contains a largeish set of updates of power management and
clock setup. The bulk of it is for OMAP/AM33xx platforms, but also a
few around hotplug/suspend/resume on Exynos.
It includes a split-up of some of the OMAP clock data into separate
files which adds to the diffstat, but gross delta is fairly reasonable.
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Merge tag 'pm-merge' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC power management and clock changes from Olof Johansson:
"This branch contains a largeish set of updates of power management and
clock setup. The bulk of it is for OMAP/AM33xx platforms, but also a
few around hotplug/suspend/resume on Exynos.
It includes a split-up of some of the OMAP clock data into separate
files which adds to the diffstat, but gross delta is fairly reasonable."
* tag 'pm-merge' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (60 commits)
ARM: OMAP: Move plat-omap/dma-omap.h to include/linux/omap-dma.h
ASoC: OMAP: mcbsp fixes for enabling ARM multiplatform support
watchdog: OMAP: fixup for ARM multiplatform support
ARM: EXYNOS: Add flush_cache_all in suspend finisher
ARM: EXYNOS: Remove scu_enable from cpuidle
ARM: EXYNOS: Fix soft reboot hang after suspend/resume
ARM: EXYNOS: Add support for rtc wakeup
ARM: EXYNOS: fix the hotplug for Cortex-A15
ARM: OMAP2+: omap_device: Correct resource handling for DT boot
ARM: OMAP2+: hwmod: Add possibility to count hwmod resources based on type
ARM: OMAP2+: hwmod: Add support for per hwmod/module context lost count
ARM: OMAP2+: PRM: initialize some PRM functions early
ARM: OMAP2+: voltage: fixup oscillator handling when CONFIG_PM=n
ARM: OMAP4: USB: power down MUSB PHY during boot
ARM: OMAP2+: clock: Cleanup !CONFIG_COMMON_CLK parts
ARM: OMAP2xxx: clock: drop obsolete clock data
ARM: OMAP2: clock: Cleanup !CONFIG_COMMON_CLK parts
ARM: OMAP3+: DPLL: drop !CONFIG_COMMON_CLK sections
ARM: AM33xx: clock: drop obsolete clock data
ARM: OMAP3xxx: clk: drop obsolete clock data
...
Here are more patches in the progression towards multiplatform, sparse
irq conversions in particular.
Tegra has a handful of cleanups and general groundwork, but is
not quite there yet on full enablement.
Platforms that are enabled through this branch are VT8500 and Zynq. note
that i.MX was converted in one of the earlier cleanup branches as
well (before we started a separate topic for multiplatform). And both
new platforms for this merge window, sunxi and bcm, were merged with
multiplatform support enabled.
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Merge tag 'multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC multiplatform conversion patches from Olof Johansson:
"Here are more patches in the progression towards multiplatform, sparse
irq conversions in particular.
Tegra has a handful of cleanups and general groundwork, but is not
quite there yet on full enablement.
Platforms that are enabled through this branch are VT8500 and Zynq.
Note that i.MX was converted in one of the earlier cleanup branches as
well (before we started a separate topic for multiplatform). And both
new platforms for this merge window, sunxi and bcm, were merged with
multiplatform support enabled."
Fix up conflicts mostly as per Olof.
* tag 'multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (29 commits)
ARM: zynq: Remove all unused mach headers
ARM: zynq: add support for ARCH_MULTIPLATFORM
ARM: zynq: make use of debug_ll_io_init()
ARM: zynq: remove TTC early mapping
ARM: tegra: move debug-macro.S to include/debug
ARM: tegra: don't include iomap.h from debug-macro.S
ARM: tegra: decouple uncompress.h and debug-macro.S
ARM: tegra: simplify DEBUG_LL UART selection options
ARM: tegra: select SPARSE_IRQ
ARM: tegra: enhance timer.c to get IO address from device tree
ARM: tegra: enhance timer.c to get IRQ info from device tree
ARM: timer: fix checkpatch warnings
ARM: tegra: add TWD to device tree
ARM: tegra: define DT bindings for and instantiate RTC
ARM: tegra: define DT bindings for and instantiate timer
clocksource/mtu-nomadik: use apb_pclk
clk: ux500: Register mtu apb_pclocks
ARM: plat-nomadik: convert platforms to SPARSE_IRQ
mfd/db8500-prcmu: use the irq_domain_add_simple()
mfd/ab8500-core: use irq_domain_add_simple()
...
Continued device tree conversion and enablement across a number of
platforms; Kirkwood, tegra, i.MX, Exynos, zynq and a couple of other
smaller series as well.
ux500 has seen continued conversion for platforms. Several platforms have
seen pinctrl-via-devicetree conversions for simpler multiplatform. Tegra
is adding data for new devices/drivers, and Exynos has a bunch of new
bindings and devices added as well.
So, pretty much the same progression in the right direction as the last
few releases.
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Merge tag 'dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC device tree conversions and enablement from Olof Johansson:
"Continued device tree conversion and enablement across a number of
platforms; Kirkwood, tegra, i.MX, Exynos, zynq and a couple of other
smaller series as well.
ux500 has seen continued conversion for platforms. Several platforms
have seen pinctrl-via-devicetree conversions for simpler
multiplatform. Tegra is adding data for new devices/drivers, and
Exynos has a bunch of new bindings and devices added as well.
So, pretty much the same progression in the right direction as the
last few releases."
Fix up conflicts as per Olof.
* tag 'dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (185 commits)
ARM: ux500: Rename dbx500 cpufreq code to be more generic
ARM: dts: add missing ux500 device trees
ARM: ux500: Stop registering the PCM driver from platform code
ARM: ux500: Move board specific GPIO info out to subordinate DTS files
ARM: ux500: Disable the MMCI gpio-regulator by default
ARM: Kirkwood: remove kirkwood_ehci_init() from new boards
ARM: Kirkwood: Add support LED of OpenBlocks A6
ARM: Kirkwood: Convert to EHCI via DT for OpenBlocks A6
ARM: kirkwood: Add NAND partiton map for OpenBlocks A6
ARM: kirkwood: Add support second I2C bus and RTC on OpenBlocks A6
ARM: kirkwood: Add support DT of second I2C bus
ARM: kirkwood: Convert mplcec4 board to pinctrl
ARM: Kirkwood: Convert km_kirkwood to pinctrl
ARM: Kirkwood: support 98DX412x kirkwoods with pinctrl
ARM: Kirkwood: Convert IX2-200 to pinctrl.
ARM: Kirkwood: Convert lsxl boards to pinctrl.
ARM: Kirkwood: Convert ib62x0 to pinctrl.
ARM: Kirkwood: Convert GoFlex Net to pinctrl.
ARM: Kirkwood: Convert dreamplug to pinctrl.
ARM: Kirkwood: Convert dockstar to pinctrl.
...
Fix sparse warning by declaration do_notify_resume function
called from entry.S.
Warning:
arch/microblaze/kernel/signal.c:357:6: warning: symbol
'do_notify_resume' was not declared. Should it be static?
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Function declarations fix these sparse warnings:
arch/microblaze/lib/ashldi3.c:5:11: warning: symbol
'__ashldi3' was not declared. Should it be static?
arch/microblaze/lib/muldi3.c:50:8: warning: symbol
'__muldi3' was not declared. Should it be static?
arch/microblaze/lib/cmpdi2.c:5:11: warning: symbol
'__cmpdi2' was not declared. Should it be static?
arch/microblaze/lib/lshrdi3.c:5:11: warning: symbol
'__lshrdi3' was not declared. Should it be static?
arch/microblaze/lib/ashrdi3.c:5:11: warning: symbol
'__ashrdi3' was not declared. Should it be static?
arch/microblaze/lib/ucmpdi2.c:5:11: warning: symbol
'__ucmpdi2' was not declared. Should it be static?
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Adding static to internal variables and functions.
Sparse warnings:
arch/microblaze/kernel/prom.c:55:6: warning:
symbol 'stdout' was not declared. Should it be static?
arch/microblaze/kernel/prom.c:57:12: warning:
symbol 'early_init_dt_scan_chosen_serial' was not declared. Should it be static?
CC arch/microblaze/kernel/prom.o
arch/microblaze/kernel/intc.c:102:5: warning:
symbol 'xintc_map' was not declared. Should it be static?
CC arch/microblaze/kernel/intc.o
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
CC arch/mips/wrppmc/pci.o
/home/ralf/src/linux/linux-mips/arch/mips/wrppmc/pci.c: In function ‘gt64120_pci_init’:
/home/ralf/src/linux/linux-mips/arch/mips/wrppmc/pci.c:41:6: error: variable ‘tmp’ set but not used [-Werror=unused-but-set-variable]
cc1: all warnings being treated as errors
This warning exists in gcc 4.6.0 and newer. Kernels 2.6.40 and newer use
-Wunused-but-set-variable to suppress it.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
CC arch/mips/sgi-ip22/ip22-eisa.o
/home/ralf/src/linux/linux-mips/arch/mips/sgi-ip22/ip22-eisa.c: In function ‘ip22_eisa_intr’:
/home/ralf/src/linux/linux-mips/arch/mips/sgi-ip22/ip22-eisa.c:77:11: error: variable ‘dma2’ set but not used [-Werror=unused-but-set-variable]
/home/ralf/src/linux/linux-mips/arch/mips/sgi-ip22/ip22-eisa.c:77:5: error: variable ‘dma1’ set but not used [-Werror=unused-but-set-variable]
cc1: all warnings being treated as errors
This warning exists in gcc 4.6.0 and newer. Kernels 2.6.40 and newer use
-Wunused-but-set-variable to suppress it.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
CC arch/mips/rb532/prom.o
/home/ralf/src/linux/linux-mips/arch/mips/rb532/prom.c: In function ‘prom_setup_cmdline’:
/home/ralf/src/linux/linux-mips/arch/mips/rb532/prom.c:75:22: error: variable ‘prom_envp’ set but not used [-Werror=unused-but-set-variable]
This warning exists in gcc 4.6.0 and newer. Kernels 2.6.40 and newer use
-Wunused-but-set-variable to suppress it.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
CC arch/mips/powertv/init.o
/home/ralf/src/linux/linux-mips/arch/mips/powertv/init.c: In function ‘mips_nmi_setup’:
/home/ralf/src/linux/linux-mips/arch/mips/powertv/init.c:80:8: error: variable ‘base’ set but not used [-Werror=unused-but-set-variable]
/home/ralf/src/linux/linux-mips/arch/mips/powertv/init.c: In function ‘mips_ejtag_setup’:
/home/ralf/src/linux/linux-mips/arch/mips/powertv/init.c:94:8: error: variable ‘base’ set but not used [-Werror=unused-but-set-variable]
cc1: all warnings being treated as errors
As these two functions are, they don't serve any useful purpose so I've
deleted them entirely.
This warning exists in gcc 4.6.0 and newer. Kernels 2.6.40 and newer use
-Wunused-but-set-variable to suppress it.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
I had no idea just how broken IOC3 was until I read this.
Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
CC arch/mips/mm/highmem.o
/home/ralf/src/linux/linux-mips/arch/mips/mm/highmem.c: In function ‘__kunmap_atomic’:
/home/ralf/src/linux/linux-mips/arch/mips/mm/highmem.c:70:6: error: variable ‘type’ set but not used [-Werror=unused-but-set-variable]
cc1: all warnings being treated as errors
This warning exists in gcc 4.6.0 and newer. Kernels 2.6.40 and newer use
-Wunused-but-set-variable to suppress it.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Normally r4k_dma_cache_inv should only ever be called with cacheline
aligned addresses. If however, it isn't there is the theoretical
possibility of data corruption. There is no correct way of handling this
and anyway, it should only happen if the DMA API is used incorrectly
so drop
There is a different corruption scenario with these CACHE instructions
removed but again there is no way of handling this correctly and it can
be triggered only through incorrect use of the DMA API.
So just get rid of the complexity.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Reported-by: James Rodriguez <jamesr@juniper.net>
The default implementation of 'cpu_has_fpu' macro calls
smp_processor_id() which causes this warning to be printed when
preemption is enabled:
[ 4.664000] Algorithmics/MIPS FPU Emulator v1.5
[ 4.676000] BUG: using smp_processor_id() in preemptible [00000000] code: ini
[ 4.700000] caller is fpu_emulator_cop1Handler+0x434/0x27b8
This problem got introduced in November 2009 by
af1d2af877ef6c36990671bc86a5b9c5bb50b1da (lmo) [MIPS: Fix emulation of
64-bit FPU on 64-bit CPUs.] rsp. da0bac3341
(kernel.org) [MIPS: Fix emulation of 64-bit FPU on FPU-less 64-bit CPUs.]
in 2.6.32.
Fixed by rewriting cop1_64bit() to return a constant whenever possible
but most importantly avoid the use pf cpu_has_fpu entirely.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Reported-by: Jayachandran C <jchandra@broadcom.com>
Initial-patch-by: Jayachandran C <jchandra@broadcom.com>
Patchwork: https://patchwork.linux-mips.org/patch/4225/
Our FP emulator is hardcoded for the MIPS IV FP instruction set and does
not match the FP ISA with the general ISA. However for the few MIPS IV FP
instructions that use the COP1X major opcode it relies on the Coprocessor
Unusable exception to be delivered as a COP1 rather than COP3 exception.
This includes indexed transfer (LDXC1, etc.) and FP multiply-accumulate
(MADD.D, etc.) instructions.
All the MIPS I, II, III and IV processors and some newer chips that do not
implement the FPU use the COP3 exception however. Therefore I believe the
kernel should follow and redirect any COP3 Unusable traps to the emulator
unless an actual FPU part or core is present.
This is a change that implements it. Any minor opcode encodings that are
not recognised as valid FP instructions are rejected by the emulator and
will result in a SIGILL signal being delivered as they currently do. We
do not support vendor-specific coprocessor 3 implementations supported
with MIPS I and MIPS II ISA processors; we never set CP0.Status.CU3.
[Ralf: On MIPS IV processors the kernel always enables the XX bit which
replaces the CU3 bit off earlier architecture revisions.]
If matching between the CPU and the FPU ISA is considered required one
day, this can still be done in the emulator itself. I think the CpU
exception dispatcher is not the right place to do this anyway, as there
are further differences between MIPS I, MIPS II, MIPS III, MIPS IV and
MIPS32 FP ISAs.
Corresponding explanation of this implementation is included within the
change itself.
Signed-off-by: Maciej W. Rozycki <macro@codesourcery.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/project/linux-mips/list/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
When poweroff machine, kernel_power_off() call disable_nonboot_cpus().
And if we have HOTPLUG_CPU configured, disable_nonboot_cpus() is not an
empty function but attempt to actually disable the nonboot cpus. Since
system state is SYSTEM_POWER_OFF, play_dead() won't be called and thus
disable_nonboot_cpus() hangs. Therefore, we make this patch to avoid
poweroff failure.
Signed-off-by: Huacai Chen <chenhc@lemote.com>
Signed-off-by: Hongliang Tao <taohl@lemote.com>
Signed-off-by: Hua Yan <yanh@lemote.com>
Cc: Yong Zhang <yong.zhang@windriver.com>
Cc: stable@vger.kernel.org
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Cc: Fuxin Zhang <zhangfx@lemote.com>
Cc: Zhangjin Wu <wuzhangjin@gmail.com>
Patchwork: https://patchwork.linux-mips.org/patch/4211/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Michael Spang