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Manuel Lauss <manuel.lauss@gmail.com> writes:
I introduced it as a fallback because early revisions of Alchemy hardware
we shipped had a non-functional 32kHz timer and had to rely on the r4k
timer instead. Previously the r4k timer was initialized regardless, but
it's useless with the "wait" instruction.
So long story short: I need either the on-chip 32kHz timer OR the r4k
timer if the 32kHz one is unusable, but not both, and r4k timer is useless
when au1k_idle is in use.
The current in-kernel Alchemy boards all work with the 32kHz timer, so I'm
not against removing R4K_LIB symbols.
Signed-off-by: Steven J. Hill <sjhill@mips.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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This patch changes the physmap-flash platform data on AR7 to pass the
correct partition parser: ar7part to used by the "physmap-flash" mapping
driver so we get the partitions probed correctly.
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Cc: blogic@openwrt.org
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/4654/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Correct spelling typo ENDIANESS to ENDIANNESS in arc/mips/lantiq/xway/dma.c
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Cc: trivial@kernel.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/4613/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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With the upcoming merge of the ARC architecture there is a small likelyhood
of conflicting use for the CONFIG_ARC config symbol. Rename it to
CONFIG_FW_ARC. Also rename CONFIG_ARC32 to CONFIG_FW_ARC32, CONFIG_ARC64
to CONFIG_FW_ARC64.
For consistence also rename CONFIG_SNIPROM to CONFIG_FW_SNIPROM and
CONFIG_CFE to CONFIG_FW_CFE.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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[ralf@linux-mips.org: Original patch by Maxim Uvarov <muvarov@gmail.com>
with plenty of further shining, polishing, debugging and testing by me.]
Signed-off-by: Maxim Uvarov <muvarov@gmail.com>
Cc: linux-mips@linux-mips.org
Cc: kexec@lists.infradead.org
Cc: horms@verge.net.au
Patchwork: https://patchwork.linux-mips.org/patch/1026/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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[ralf@linux-mips.org: Original patch by Maxim Uvarov <muvarov@gmail.com>
with plenty of further shining, polishing, debugging and testing by me.]
Signed-off-by: Maxim Uvarov <muvarov@gmail.com>
Cc: linux-mips@linux-mips.org
Cc: kexec@lists.infradead.org
Cc: horms@verge.net.au
Patchwork: https://patchwork.linux-mips.org/patch/1025/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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This allows the use of /sys/firmware/memmap for MIPS platforms.
kexec-tools may use /sys/firmware/memmap though current versions parse
/proc/iomem.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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The actual bug is a missing else statement - but really this should be
expressed using a switch() statement.
Found by Al Viro who writes "the funny thing is, it *does* work only
because r2 is syscall number and syscall number around 512 => return
value being ENOSYS and not one of ERESTART... so we really can't hit
the first if and emerge from it with ERESTART_RESTARTBLOCK. still
wrong to write it that way..."
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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2957c9e61ee9c37e7ebf2c8acab03e073fe942fd (kernel.org) rsp.
b934da913f236bca00c41d9e386e980586000461 (lmo) [[MIPS] IRIX: Goodbye and
thanks for all the fish] left two fields in struct thread_struct which
were only being used for the IRIX compat code. Remove them.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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No 32-bit kernels supported on Octeon.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Only supporting 64-bit kernels there is no point in depending on
this symbol.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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On Cavium hardware only 64-bit kernels are supported so CONFIG_HIGHMEM
is never set.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Turn on support for most hardware present on OCTEON development boards
as well as some filesystems and SATA controllers so we can boot off of
a disk or CF
Signed-off-by: David Daney <david.daney@cavium.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/4426/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Drivers for EDAC on Cavium. Supported subsystems are:
o CPU primary caches. These are parity protected only, so only error
reporting.
o Second level cache - ECC protected, provides SECDED.
o Memory: ECC / SECDEC if used with suitable DRAM modules. The driver will
will only initialize if ECC is enabled on a system so is safe to run on
non-ECC memory.
o PCI: Parity error reporting
Since it is very hard to test this sort of code the implementation is very
conservative and uses polling where possible for now.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Reviewed-by: Borislav Petkov <borislav.petkov@amd.com>
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We need Huge TLBs for HUGETLB_PAGE, or the soon to follow
TRANSPARENT_HUGEPAGE. collect this information under a single Kconfig
symbol.
Signed-off-by: David Daney <david.daney@cavium.com>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Pgtable bits are assigned dynamically depending on processor feature and
statically based on kernel configuration. To make sense out of the
disassembled TLB exception handlers a list of the actual assignments
used for a particular configuration and hardware setup can be very useful.
Output the actual TLB exception handlers in a format that simplifies their
post processsing from dmesg output.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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From a software perspective R5000 and R5000A are the same thing which is
why the symbol CPU_R5000A never got used, so finally delete it.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
Pull powerpc EEH bugfixes from Benjamin Herrenschmidt.
Two one-liner fixes for the new EEH code.
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
powerpc/eeh: Do not invalidate PE properly
powerpc/pseries: Fix oops with MSIs when missing EEH PEs
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Pull MIPS fixes from Ralf Baechle:
"Three issues fixed accross the field:
- Some functions that were recently outlined as part of a preemption
fix were causing problems with function tracing.
- The recently merged in-kernel MPI library uses very outdated
headers that contain MIPS-specific code which won't build on with
gcc 4.4 or newer.
- The MIPS non-NUMA memory initialization was making only a very
half-baked attempt at merging adjacent memory ranges. This kept
the code simple enough but is now causing issues with kexec."
* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
MPI: Fix compilation on MIPS with GCC 4.4 and newer
MIPS: Fix crash that occurs when function tracing is enabled
MIPS: Merge overlapping bootmem ranges
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While the EEH does recovery on the specific PE that has PCI errors,
the PCI devices belonging to the PE will be removed and the PE will
be marked as invalid since we still need the information stored in
the PE. We only invalidate the PE when it doesn't have associated
EEH devices and valid child PEs. However, the code used to check
that is wrong. The patch fixes that.
Signed-off-by: Gavin Shan <shangw@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound build error fix from Takashi Iwai:
"Only a single commit for fixing the build error without CONFIG_PM in
hda driver."
* tag 'sound-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda - Fix build without CONFIG_PM
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I forgot this again... codec->in_pm is in #ifdef CONFIG_PM
Reported-by: Markus Trippelsdorf <markus@trippelsdorf.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 arch fixes from Peter Anvin:
"Here is a collection of fixes for 3.7-rc7. This is a superset of
tglx' earlier pull request."
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86-64: Fix ordering of CFI directives and recent ASM_CLAC additions
x86, microcode, AMD: Add support for family 16h processors
x86-32: Export kernel_stack_pointer() for modules
x86-32: Fix invalid stack address while in softirq
x86, efi: Fix processor-specific memcpy() build error
x86: remove dummy long from EFI stub
x86, mm: Correct vmflag test for checking VM_HUGETLB
x86, amd: Disable way access filter on Piledriver CPUs
x86/mce: Do not change worker's running cpu in cmci_rediscover().
x86/ce4100: Fix PCI configuration register access for devices without interrupts
x86/ce4100: Fix reboot by forcing the reboot method to be KBD
x86/ce4100: Fix pm_poweroff
MAINTAINERS: Update email address for Robert Richter
x86, microcode_amd: Change email addresses, MAINTAINERS entry
MAINTAINERS: Change Boris' email address
EDAC: Change Boris' email address
x86, AMD: Change Boris' email address
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Pull MTD fixes from David Woodhouse:
"The most important part of this is that it fixes a regression in
Samsung NAND chip detection, introduced by some rework which went into
3.7. The initial fix wasn't quite complete, so it's in two parts. In
fact the first part is committed twice (Artem committed his own copy
of the same patch) and I've merged Artem's tree into mine which
already had that fix.
I'd have recommitted that to make it somewhat cleaner, but figured by
this point in the release cycle it was better to merge *exactly* the
commits which have been in linux-next.
If I'd recommitted, I'd also omit the sparse warning fix. But it's
there, and it's harmless — just marking one function as 'static' in
onenand code.
This also includes a couple more fixes for stable: an AB-BA deadlock
in JFFS2, and an invalid range check in slram."
* tag 'for-linus-20121123' of git://git.infradead.org/mtd-2.6:
mtd: nand: fix Samsung SLC detection regression
mtd: nand: fix Samsung SLC NAND identification regression
jffs2: Fix lock acquisition order bug in jffs2_write_begin
mtd: onenand: Make flexonenand_set_boundary static
mtd: slram: invalid checking of absolute end address
mtd: ofpart: Fix incorrect NULL check in parse_ofoldpart_partitions()
mtd: nand: fix Samsung SLC NAND identification regression
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Pull device tree regression fix from Grant Likely:
"Simple build regression fix for DT device drivers on Sparc. An
earlier change had masked out the of_iomap() helper on SPARC."
* tag 'devicetree-for-linus' of git://git.secretlab.ca/git/linux-2.6:
of/address: sparc: Declare of_iomap as an extern function for sparc again
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management update from Rafael Wysocki:
"Fix for an incorrect error condition check in device PM QoS code that
may lead to an Oops from Guennadi Liakhovetski."
* tag 'pm-for-3.7-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PM / QoS: fix wrong error-checking condition
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Pull md fixes from NeilBrown:
"Several bug fixes for md in 3.7:
- raid5 discard has problems
- raid10 replacement devices have problems
- bad block lock seqlock usage has problems
- dm-raid doesn't free everything"
* tag 'md-3.7-fixes' of git://neil.brown.name/md:
md/raid10: decrement correct pending counter when writing to replacement.
md/raid10: close race that lose writes lost when replacement completes.
md/raid5: Make sure we clear R5_Discard when discard is finished.
md/raid5: move resolving of reconstruct_state earlier in stripe_handle.
md/raid5: round discard alignment up to power of 2.
md: make sure everything is freed when dm-raid stops an array.
md: Avoid write invalid address if read_seqretry returned true.
md: Reassigned the parameters if read_seqretry returned true in func md_is_badblock.
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Pull block layer fixes from Jens Axboe:
"Distilled down version of bug fixes for 3.7. The patches have been
well tested. If you notice that commit dates are from today, it's
because I pulled less important bits out and shuffled them into the
3.8 mix. Apart from that, no changes, base still the same.
It contains:
- Fix for aoe, don't run request_fn while it's plugged.
- Fix for a regression in floppy since 3.6, which causes problems if
no floppy is found.
- Stable fix for blk_exec(), don't touch a request after it has been
sent to the scheduler (and the device as well).
- Five fixes for various nasties in mtip32xx."
* 'for-linus' of git://git.kernel.dk/linux-block:
block: Don't access request after it might be freed
mtip32xx: Fix padding issue
aoe: avoid running request handler on plugged queue
mtip32xx: fix potential NULL pointer dereference in mtip_timeout_function()
mtip32xx: fix shift larger than type warning
mtip32xx: Fix incorrect mask used for erase mode
mtip32xx: Fix to make lba address correct in big-endian systems
mtip32xx: fix potential crash on SEC_ERASE_UNIT
dm: fix deadlock with request based dm and queue request_fn recursion
floppy: destroy floppy workqueue before cleaning up the queue
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This bug-fix makes sure that of_iomap is defined extern for sparc so that the
sparc-specific implementation of_iomap is once again used when including
include/linux/of_address.h in a sparc context. OF_GPIO that is now available for
sparc relies on this.
The bug was inadvertently introduced in a850a75, "of/address: add empty static
inlines for !CONFIG_OF", that added a static dummy inline for of_iomap when
!CONFIG_OF_ADDRESS. However, CONFIG_OF_ADDRESS is never defined for sparc, but
there is a sparc-specific implementation /arch/sparc/kernel/of_device_common.c.
This fix takes the same approach as 0bce04b that solved the equivalent problem
for of_address_to_resource.
Signed-off-by: Andreas Larsson <andreas@gaisler.com>
Acked-by: David Miller <davem@davemloft.net>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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Pull omapdss fixes from Tomi Valkeinen:
"Here are a few OMAPDSS fixes for the next -rc. I'm sending these
directly to you, and quite late, as the fbdev tree maintainer
(Florian) has been busy with his work and hasn't had time to manage
the fb patches."
* tag 'omapdss-for-3.7-rc' of git://gitorious.org/linux-omap-dss2/linux:
OMAPDSS: do not fail if dpll4_m4_ck is missing
OMAPFB: Fix possible null pointer dereferencing
OMAPDSS: HDMI: fix missing unlock on error in hdmi_dump_regs()
omapdss: dss: Fix clocks on OMAP363x
OMAPDSS: DSI: fix dsi_get_dsidev_from_id()
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git://git.pengutronix.de/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
"Bugfixes for the i2c subsystem.
Except for a few one-liners, there is mainly one revert because of an
overlooked dependency. Since there is no linux-next at the moment, I
did some extra testing, and all was fine for me."
* 'i2c-embedded/for-current' of git://git.pengutronix.de/git/wsa/linux:
i2c: mxs: Handle i2c DMA failure properly
i2c: s3c2410: Fix code to free gpios
i2c: omap: ensure writes to dev->buf_len are ordered
Revert "ARM: OMAP: convert I2C driver to PM QoS for MPU latency constraints"
i2c: at91: fix SMBus quick command
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"The highlight of this update is the fixes for ASoC kirkwood by
Russell. In addition to that, a couple of regression fixes for
HD-audio due to the runtime PM support on 3.7, and other driver-
specific regression fixes like USB MIDI on non-standard USB audio
drivers."
* tag 'sound-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: snd-usb: properly initialize the sync endpoint
ALSA: hda - Cirrus: Correctly clear line_out_pins when moving to speaker
ALSA: hda - Add support for Realtek ALC292
ASoC: kirkwood-i2s: more pause-mode fixes
ASoC: kirkwood-i2s: fix DMA underruns
ASoC: kirkwood-i2s: fix DCO lock detection
ASoC: kirkwood-dma: don't ignore other irq causes on error
ASoC: kirkwood-dma: fix use of virt_to_phys()
ALSA: hda - Limit runtime PM support only to known Intel chips
ALSA: hda - Fix recursive suspend/resume call
ALSA: ua101, usx2y: fix broken MIDI output
ASoC: arizona: Fix typo - Swap value in 48k_rates[] and 44k1_rates[]
ASoC: bells: Fix up git patch application failure
ASoC: cs4271: free allocated GPIO
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Pull networkign fixes from David Miller:
"Networking bug fixes, Cacio e Pepe edition:
1) BNX2X accidently accesses chip rev specific registers without an
appropriate guard, fix from Ariel Elior.
2) When we removed the routing cache, we set ip_rt_max_size to ~0 just
to keep reporting a value to userspace via sysfs. But the ipv4
IPSEC layer was using this to tune itself which is completely bogus
to now do. Fix from Steffen Klassert.
3) Missing initialization in netfilter ipset code from Jozsef
Kadlecsik.
4) Check CTA_TIMEOUT_NAME length properly in netfilter cttimeout code,
fix from Florian Westphal.
5) After removing the routing cache, we inadvertantly are caching
multicast routes that end up looping back locally, we cannot do
that legitimately any more. Fix from Julian Anastasov.
6) Revert a race fix for 8139cp qemu/kvm that doesn't actually work
properly on real hardware. From Francois Romieu.
7) Fixup errors in example command lines in VXLAN device docs."
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
bnx2x: remove redundant warning log
vxlan: fix command usage in its doc
8139cp: revert "set ring address before enabling receiver"
ipv4: do not cache looped multicasts
netfilter: cttimeout: fix buffer overflow
netfilter: ipset: Fix range bug in hash:ip,port,net
xfrm: Fix the gc threshold value for ipv4
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Pull sparc fix from David Miller:
"Bug fix from Al Viro"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
sparc64: not any error from do_sigaltstack() should fail rt_sigreturn()
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull one more ARM SoC fix from Olof Johansson:
"I missed one pull request from Samsung with one fix in the previous
batch. Here it is -- a dma driver fix for an early version of silicon
that they still support."
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: EXYNOS: PL330 MDMA1 fix for revision 0 of Exynos4210 SOC
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dev_pm_qos_add_request() can return 0, 1, or a negative error code,
therefore the correct error test is "if (error < 0)." Checking just for
non-zero return code leads to erroneous setting of the req->dev pointer
to NULL, which then leads to a repeated call to
dev_pm_qos_add_ancestor_request() in st1232_ts_irq_handler(). This in turn
leads to an Oops, when the I2C host adapter is unloaded and reloaded again
because of the inconsistent state of its QoS request list.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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fix bug where a register which was only meant to be read in 578xx/57712
devices causes a bogus error message to be logged when read from other
devices.
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Some commands don't work in its example doc. The patch will fix it.
Signed-off-by: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch reverts b01af4579ec41f48e9b9c774e70bd6474ad210db.
The original patch was tested with emulated hardware. Real
hardware chokes.
Fixes https://bugzilla.kernel.org/show_bug.cgi?id=47041
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Acked-by: Jeff Garzik <jgarzik@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since 4.4 GCC on MIPS no longer recognizes the "h" constraint,
leading to this build failure:
CC lib/mpi/generic_mpih-mul1.o
lib/mpi/generic_mpih-mul1.c: In function 'mpihelp_mul_1':
lib/mpi/generic_mpih-mul1.c:50:3: error: impossible constraint in 'asm'
This patch updates MPI with the latest umul_ppm implementations for MIPS.
Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com>
Cc: Linux-MIPS <linux-mips@linux-mips.org>
Cc: Dmitry Kasatkin <dmitry.kasatkin@intel.com>
Cc: James Morris <jmorris@namei.org>
Patchwork: https://patchwork.linux-mips.org/patch/4612/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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A recent patch changed some irq routines from inlines to functions.
These routines are called by the tracer code. Now that they're functions,
if they are compiled for function tracing they will call the tracer
and crash the system due to infinite recursion. The fix disables
tracing in these functions by using "notrace" in the function
definition.
Signed-off-by: Al Cooper <alcooperx@gmail.com>
Reviewed-by: David Daney <david.daney@cavium.com>
Pathchwork: https://patchwork.linux-mips.org/patch/4564/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Without this, we may end up with something like this in /proc/iomem:
01100000-014fffff : System RAM
01100000-013bf48f : Kernel code
013bf490-0149e01f : Kernel data
01500000-0c0fffff : System RAM
but the two System RAM ranges should be one single range. This particular
case will result in kexec failure on Octeon systems if the kernel being
loaded by kexec is bigger than the already running kernel.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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After we've done __elv_add_request() and __blk_run_queue() in
blk_execute_rq_nowait(), the request might finish and be freed
immediately. Therefore checking if the type is REQ_TYPE_PM_RESUME
isn't safe afterwards, because if it isn't, rq might be gone.
Instead, check beforehand and stash the result in a temporary.
This fixes crashes in blk_execute_rq_nowait() I get occasionally when
running with lots of memory debugging options enabled -- I think this
race is usually harmless because the window for rq to be reallocated
is so small.
Signed-off-by: Roland Dreier <roland@purestorage.com>
Cc: stable@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Hi Jens,
Another tiny patch.
Removed __packed before the struct smart_attr and added __packed at end of
the structure to fix padding issue.
Signed-off-by: Selvan Mani <smani@micron.com>
Signed-off-by: Asai Thambi S P <asamymuthupa@micron.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Calling the request handler directly on a plugged queue defeats
the performance improvements provided by the plugging mechanism.
Use the __blk_run_queue function instead of calling the request
handler directly, so that we don't interfere with the block
layer's ability to plug the queue.
Signed-off-by: Ed Cashin <ecashin@coraid.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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