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This reverts commit 8401a108a63302a5a198c7075d857895ca624851.
I got a report from an (anonymous) Sundance user:
Ethernet controller: Sundance Technology Inc / IC Plus Corp IC Plus IP100A Integrated 10/100 Ethernet MAC + PHY (rev 31)
Revert the driver back in. Make following changes:
- update Denis's email address in MAINTAINERS
- adjust to timer API renames:
- del_timer_sync() -> timer_delete_sync()
- from_timer() -> timer_container_of()
Fixes: 8401a108a633 ("eth: remove the DLink/Sundance (ST201) driver")
Reviewed-by: Simon Horman <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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Bindig requires a node name matching ‘^ethernet@[0-9a-f]+$’. This patch
changes the clock name from “etop” to “ethernet”.
This fixes the following warning:
arch/mips/boot/dts/lantiq/danube_easy50712.dtb: etop@e180000 (lantiq,etop-xway): $nodename:0: 'etop@e180000' does not match '^ethernet@[0-9a-f]+$'
from schema $id: http://devicetree.org/schemas/net/lantiq,etop-xway.yaml#
Fixes: dac0bad93741 ("dt-bindings: net: lantiq,etop-xway: Document Lantiq Xway ETOP bindings")
Signed-off-by: Aleksander Jan Bajkowski <[email protected]>
Acked-by: Jakub Kicinski <[email protected]>
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The upstream dts lacks the lantiq,{rx/tx}-burst-length property. Other
issues were also fixed:
arch/mips/boot/dts/lantiq/danube_easy50712.dtb: etop@e180000 (lantiq,etop-xway): 'interrupt-names' is a required property
from schema $id: http://devicetree.org/schemas/net/lantiq,etop-xway.yaml#
arch/mips/boot/dts/lantiq/danube_easy50712.dtb: etop@e180000 (lantiq,etop-xway): 'lantiq,tx-burst-length' is a required property
from schema $id: http://devicetree.org/schemas/net/lantiq,etop-xway.yaml#
arch/mips/boot/dts/lantiq/danube_easy50712.dtb: etop@e180000 (lantiq,etop-xway): 'lantiq,rx-burst-length' is a required property
from schema $id: http://devicetree.org/schemas/net/lantiq,etop-xway.yaml#
Fixes: 14d4e308e0aa ("net: lantiq: configure the burst length in ethernet drivers")
Signed-off-by: Aleksander Jan Bajkowski <[email protected]>
Acked-by: Jakub Kicinski <[email protected]>
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The conversion of all GPIO drivers to using the .set_rv() and
.set_multiple_rv() callbacks from struct gpio_chip (which - unlike their
predecessors - return an integer and allow the controller drivers to
indicate failures to users) is now complete and the legacy ones have
been removed. Rename the new callbacks back to their original names in
one sweeping change.
Signed-off-by: Bartosz Golaszewski <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull non-MM updates from Andrew Morton:
"Significant patch series in this pull request:
- "squashfs: Remove page->mapping references" (Matthew Wilcox) gets
us closer to being able to remove page->mapping
- "relayfs: misc changes" (Jason Xing) does some maintenance and
minor feature addition work in relayfs
- "kdump: crashkernel reservation from CMA" (Jiri Bohac) switches
us from static preallocation of the kdump crashkernel's working
memory over to dynamic allocation. So the difficulty of a-priori
estimation of the second kernel's needs is removed and the first
kernel obtains extra memory
- "generalize panic_print's dump function to be used by other
kernel parts" (Feng Tang) implements some consolidation and
rationalization of the various ways in which a failing kernel
splats information at the operator
* tag 'mm-nonmm-stable-2025-08-03-12-47' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (80 commits)
tools/getdelays: add backward compatibility for taskstats version
kho: add test for kexec handover
delaytop: enhance error logging and add PSI feature description
samples: Kconfig: fix spelling mistake "instancess" -> "instances"
fat: fix too many log in fat_chain_add()
scripts/spelling.txt: add notifer||notifier to spelling.txt
xen/xenbus: fix typo "notifer"
net: mvneta: fix typo "notifer"
drm/xe: fix typo "notifer"
cxl: mce: fix typo "notifer"
KVM: x86: fix typo "notifer"
MAINTAINERS: add maintainers for delaytop
ucount: use atomic_long_try_cmpxchg() in atomic_long_inc_below()
ucount: fix atomic_long_inc_below() argument type
kexec: enable CMA based contiguous allocation
stackdepot: make max number of pools boot-time configurable
lib/xxhash: remove unused functions
init/Kconfig: restore CONFIG_BROKEN help text
lib/raid6: update recov_rvv.c zero page usage
docs: update docs after introducing delaytop
...
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Patch series "kdump: crashkernel reservation from CMA", v5.
This series implements a way to reserve additional crash kernel memory
using CMA.
Currently, all the memory for the crash kernel is not usable by the 1st
(production) kernel. It is also unmapped so that it can't be corrupted by
the fault that will eventually trigger the crash. This makes sense for
the memory actually used by the kexec-loaded crash kernel image and initrd
and the data prepared during the load (vmcoreinfo, ...). However, the
reserved space needs to be much larger than that to provide enough
run-time memory for the crash kernel and the kdump userspace. Estimating
the amount of memory to reserve is difficult. Being too careful makes
kdump likely to end in OOM, being too generous takes even more memory from
the production system. Also, the reservation only allows reserving a
single contiguous block (or two with the "low" suffix). I've seen systems
where this fails because the physical memory is fragmented.
By reserving additional crashkernel memory from CMA, the main crashkernel
reservation can be just large enough to fit the kernel and initrd image,
minimizing the memory taken away from the production system. Most of the
run-time memory for the crash kernel will be memory previously available
to userspace in the production system. As this memory is no longer
wasted, the reservation can be done with a generous margin, making kdump
more reliable. Kernel memory that we need to preserve for dumping is
normally not allocated from CMA, unless it is explicitly allocated as
movable. Currently this is only the case for memory ballooning and zswap.
Such movable memory will be missing from the vmcore. User data is
typically not dumped by makedumpfile. When dumping of user data is
intended this new CMA reservation cannot be used.
There are five patches in this series:
The first adds a new ",cma" suffix to the recenly introduced generic
crashkernel parsing code. parse_crashkernel() takes one more argument to
store the cma reservation size.
The second patch implements reserve_crashkernel_cma() which performs the
reservation. If the requested size is not available in a single range,
multiple smaller ranges will be reserved.
The third patch updates Documentation/, explicitly mentioning the
potential DMA corruption of the CMA-reserved memory.
The fourth patch adds a short delay before booting the kdump kernel,
allowing pending DMA transfers to finish.
The fifth patch enables the functionality for x86 as a proof of
concept. There are just three things every arch needs to do:
- call reserve_crashkernel_cma()
- include the CMA-reserved ranges in the physical memory map
- exclude the CMA-reserved ranges from the memory available
through /proc/vmcore by excluding them from the vmcoreinfo
PT_LOAD ranges.
Adding other architectures is easy and I can do that as soon as this
series is merged.
With this series applied, specifying
crashkernel=100M craskhernel=1G,cma
on the command line will make a standard crashkernel reservation
of 100M, where kexec will load the kernel and initrd.
An additional 1G will be reserved from CMA, still usable by the production
system. The crash kernel will have 1.1G memory available. The 100M can
be reliably predicted based on the size of the kernel and initrd.
The new cma suffix is completely optional. When no
crashkernel=size,cma is specified, everything works as before.
This patch (of 5):
Add a new cma_size parameter to parse_crashkernel(). When not NULL, call
__parse_crashkernel to parse the CMA reservation size from
"crashkernel=size,cma" and store it in cma_size.
Set cma_size to NULL in all calls to parse_crashkernel().
Link: https://lkml.kernel.org/r/[email protected]
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Jiri Bohac <[email protected]>
Cc: Baoquan He <[email protected]>
Cc: Dave Young <[email protected]>
Cc: Donald Dutile <[email protected]>
Cc: Michal Hocko <[email protected]>
Cc: Philipp Rudo <[email protected]>
Cc: Pingfan Liu <[email protected]>
Cc: Tao Liu <[email protected]>
Cc: Vivek Goyal <[email protected]>
Cc: David Hildenbrand <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull more sound updates from Takashi Iwai:
"For catching up the remaining stuff for 6.17: only small updates and
the rest are mostly small fixes.
- Fixes in HD-audio codec driver Kconfig, so that configurations can
be more easily/safely carried between different versions
- Fixes in ASoC SDCA, FSL xcvr, AW88399
- ASoC IMX WM8524 support
- HD-audio and USB-audio quirks and fixes
- A minor selftest fix"
* tag 'sound-6.17-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (21 commits)
ALSA: usb: scarlett2: Fix missing NULL check
mips: Update HD-audio configs again
LoongArch: Update HD-audio codec configs
arm: Update HD-audio configs again
selftests: ALSA: fix memory leak in utimer test
ALSA: usb-audio: Add DSD support for Comtrue USB Audio device
ALSA: hda/hdmi: Enable drivers as default
ALSA: hda/cirrus: Enable drivers as default
ALSA: hda/realtek: Enable drivers as default
ALSA: hda/realtek - Fix mute LED for HP Victus 16-d1xxx (MB 8A26)
ALSA: hda/realtek - Fix mute LED for HP Victus 16-s0xxx
ALSA: hda: Fix the wrong register was used for DVC of TAS2770
ALSA: scarlett2: Add retry on -EPROTO from scarlett2_usb_tx()
ALSA: hda/realtek - Fix mute LED for HP Victus 16-r1xxx
ASoC: codecs: Add acpi_match_table for aw88399 driver
ASoC: dt-bindings: atmel,at91-ssc: add microchip,sam9x7-ssc
ASoC: imx-card: Add WM8524 support
ASoC: fsl_xcvr: get channel status data with firmware exists
ASoC: fsl_xcvr: get channel status data when PHY is not exists
ASoC: SDCA: Add support for -cn- value properties
...
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The HD-audio codec driver configs have been updated again since the
previous change. Correct the types and enable all Realtek HD-audio
codecs for loongson, per request.
Fixes: 1d8dd982c409 ("ALSA: hda/realtek: Enable drivers as default")
Fixes: 81231ad173d8 ("ALSA: hda/hdmi: Enable drivers as default")
Cc: [email protected]
Reviewed-by: Huacai Chen <[email protected]>
Signed-off-by: Takashi Iwai <[email protected]>
Link: https://patch.msgid.link/[email protected]
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git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull MM updates from Andrew Morton:
"As usual, many cleanups. The below blurbiage describes 42 patchsets.
21 of those are partially or fully cleanup work. "cleans up",
"cleanup", "maintainability", "rationalizes", etc.
I never knew the MM code was so dirty.
"mm: ksm: prevent KSM from breaking merging of new VMAs" (Lorenzo Stoakes)
addresses an issue with KSM's PR_SET_MEMORY_MERGE mode: newly
mapped VMAs were not eligible for merging with existing adjacent
VMAs.
"mm/damon: introduce DAMON_STAT for simple and practical access monitoring" (SeongJae Park)
adds a new kernel module which simplifies the setup and usage of
DAMON in production environments.
"stop passing a writeback_control to swap/shmem writeout" (Christoph Hellwig)
is a cleanup to the writeback code which removes a couple of
pointers from struct writeback_control.
"drivers/base/node.c: optimization and cleanups" (Donet Tom)
contains largely uncorrelated cleanups to the NUMA node setup and
management code.
"mm: userfaultfd: assorted fixes and cleanups" (Tal Zussman)
does some maintenance work on the userfaultfd code.
"Readahead tweaks for larger folios" (Ryan Roberts)
implements some tuneups for pagecache readahead when it is reading
into order>0 folios.
"selftests/mm: Tweaks to the cow test" (Mark Brown)
provides some cleanups and consistency improvements to the
selftests code.
"Optimize mremap() for large folios" (Dev Jain)
does that. A 37% reduction in execution time was measured in a
memset+mremap+munmap microbenchmark.
"Remove zero_user()" (Matthew Wilcox)
expunges zero_user() in favor of the more modern memzero_page().
"mm/huge_memory: vmf_insert_folio_*() and vmf_insert_pfn_pud() fixes" (David Hildenbrand)
addresses some warts which David noticed in the huge page code.
These were not known to be causing any issues at this time.
"mm/damon: use alloc_migrate_target() for DAMOS_MIGRATE_{HOT,COLD" (SeongJae Park)
provides some cleanup and consolidation work in DAMON.
"use vm_flags_t consistently" (Lorenzo Stoakes)
uses vm_flags_t in places where we were inappropriately using other
types.
"mm/memfd: Reserve hugetlb folios before allocation" (Vivek Kasireddy)
increases the reliability of large page allocation in the memfd
code.
"mm: Remove pXX_devmap page table bit and pfn_t type" (Alistair Popple)
removes several now-unneeded PFN_* flags.
"mm/damon: decouple sysfs from core" (SeongJae Park)
implememnts some cleanup and maintainability work in the DAMON
sysfs layer.
"madvise cleanup" (Lorenzo Stoakes)
does quite a lot of cleanup/maintenance work in the madvise() code.
"madvise anon_name cleanups" (Vlastimil Babka)
provides additional cleanups on top or Lorenzo's effort.
"Implement numa node notifier" (Oscar Salvador)
creates a standalone notifier for NUMA node memory state changes.
Previously these were lumped under the more general memory
on/offline notifier.
"Make MIGRATE_ISOLATE a standalone bit" (Zi Yan)
cleans up the pageblock isolation code and fixes a potential issue
which doesn't seem to cause any problems in practice.
"selftests/damon: add python and drgn based DAMON sysfs functionality tests" (SeongJae Park)
adds additional drgn- and python-based DAMON selftests which are
more comprehensive than the existing selftest suite.
"Misc rework on hugetlb faulting path" (Oscar Salvador)
fixes a rather obscure deadlock in the hugetlb fault code and
follows that fix with a series of cleanups.
"cma: factor out allocation logic from __cma_declare_contiguous_nid" (Mike Rapoport)
rationalizes and cleans up the highmem-specific code in the CMA
allocator.
"mm/migration: rework movable_ops page migration (part 1)" (David Hildenbrand)
provides cleanups and future-preparedness to the migration code.
"mm/damon: add trace events for auto-tuned monitoring intervals and DAMOS quota" (SeongJae Park)
adds some tracepoints to some DAMON auto-tuning code.
"mm/damon: fix misc bugs in DAMON modules" (SeongJae Park)
does that.
"mm/damon: misc cleanups" (SeongJae Park)
also does what it claims.
"mm: folio_pte_batch() improvements" (David Hildenbrand)
cleans up the large folio PTE batching code.
"mm/damon/vaddr: Allow interleaving in migrate_{hot,cold} actions" (SeongJae Park)
facilitates dynamic alteration of DAMON's inter-node allocation
policy.
"Remove unmap_and_put_page()" (Vishal Moola)
provides a couple of page->folio conversions.
"mm: per-node proactive reclaim" (Davidlohr Bueso)
implements a per-node control of proactive reclaim - beyond the
current memcg-based implementation.
"mm/damon: remove damon_callback" (SeongJae Park)
replaces the damon_callback interface with a more general and
powerful damon_call()+damos_walk() interface.
"mm/mremap: permit mremap() move of multiple VMAs" (Lorenzo Stoakes)
implements a number of mremap cleanups (of course) in preparation
for adding new mremap() functionality: newly permit the remapping
of multiple VMAs when the user is specifying MREMAP_FIXED. It still
excludes some specialized situations where this cannot be performed
reliably.
"drop hugetlb_free_pgd_range()" (Anthony Yznaga)
switches some sparc hugetlb code over to the generic version and
removes the thus-unneeded hugetlb_free_pgd_range().
"mm/damon/sysfs: support periodic and automated stats update" (SeongJae Park)
augments the present userspace-requested update of DAMON sysfs
monitoring files. Automatic update is now provided, along with a
tunable to control the update interval.
"Some randome fixes and cleanups to swapfile" (Kemeng Shi)
does what is claims.
"mm: introduce snapshot_page" (Luiz Capitulino and David Hildenbrand)
provides (and uses) a means by which debug-style functions can grab
a copy of a pageframe and inspect it locklessly without tripping
over the races inherent in operating on the live pageframe
directly.
"use per-vma locks for /proc/pid/maps reads" (Suren Baghdasaryan)
addresses the large contention issues which can be triggered by
reads from that procfs file. Latencies are reduced by more than
half in some situations. The series also introduces several new
selftests for the /proc/pid/maps interface.
"__folio_split() clean up" (Zi Yan)
cleans up __folio_split()!
"Optimize mprotect() for large folios" (Dev Jain)
provides some quite large (>3x) speedups to mprotect() when dealing
with large folios.
"selftests/mm: reuse FORCE_READ to replace "asm volatile("" : "+r" (XXX));" and some cleanup" (wang lian)
does some cleanup work in the selftests code.
"tools/testing: expand mremap testing" (Lorenzo Stoakes)
extends the mremap() selftest in several ways, including adding
more checking of Lorenzo's recently added "permit mremap() move of
multiple VMAs" feature.
"selftests/damon/sysfs.py: test all parameters" (SeongJae Park)
extends the DAMON sysfs interface selftest so that it tests all
possible user-requested parameters. Rather than the present minimal
subset"
* tag 'mm-stable-2025-07-30-15-25' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (370 commits)
MAINTAINERS: add missing headers to mempory policy & migration section
MAINTAINERS: add missing file to cgroup section
MAINTAINERS: add MM MISC section, add missing files to MISC and CORE
MAINTAINERS: add missing zsmalloc file
MAINTAINERS: add missing files to page alloc section
MAINTAINERS: add missing shrinker files
MAINTAINERS: move memremap.[ch] to hotplug section
MAINTAINERS: add missing mm_slot.h file THP section
MAINTAINERS: add missing interval_tree.c to memory mapping section
MAINTAINERS: add missing percpu-internal.h file to per-cpu section
mm/page_alloc: remove trace_mm_alloc_contig_migrate_range_info()
selftests/damon: introduce _common.sh to host shared function
selftests/damon/sysfs.py: test runtime reduction of DAMON parameters
selftests/damon/sysfs.py: test non-default parameters runtime commit
selftests/damon/sysfs.py: generalize DAMON context commit assertion
selftests/damon/sysfs.py: generalize monitoring attributes commit assertion
selftests/damon/sysfs.py: generalize DAMOS schemes commit assertion
selftests/damon/sysfs.py: test DAMOS filters commitment
selftests/damon/sysfs.py: generalize DAMOS scheme commit assertion
selftests/damon/sysfs.py: test DAMOS destinations commitment
...
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Only mips and loongarch implemented this API, however what it does was
checking against stack overflow for either len or addr. That's already
done in arch's arch_get_unmapped_area*() functions, even though it may not
be 100% identical checks.
For example, for both of the architectures, there will be a trivial
difference on how stack top was defined. The old code uses STACK_TOP
which may be slightly smaller than TASK_SIZE on either of them, but the
hope is that shouldn't be a problem.
It means the whole API is pretty much obsolete at least now, remove it
completely.
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Peter Xu <[email protected]>
Reviewed-by: Jason Gunthorpe <[email protected]>
Reviewed-by: Oscar Salvador <[email protected]>
Acked-by: David Hildenbrand <[email protected]>
Reviewed-by: Liam R. Howlett <[email protected]>
Reviewed-by: Anshuman Khandual <[email protected]>
Cc: Huacai Chen <[email protected]>
Cc: Thomas Bogendoerfer <[email protected]>
Cc: Muchun Song <[email protected]>
Cc: Jann Horn <[email protected]>
Cc: Lorenzo Stoakes <[email protected]>
Cc: Pedro Falcato <[email protected]>
Cc: Vlastimil Babka <[email protected]>
Cc: Zi Yan <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
Pull MIPS updates from Thomas Bogendoerfer:
- DT updates for ralink, mobileye and atheros/qualcomm
- Clean up of mc146818 usage
- Speed up delay calibration for CPS
- Other cleanups and fixes
* tag 'mips_6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (50 commits)
MIPS: Don't use %pK through printk
MIPS: Update Joshua Kinard's e-mail address
MIPS: mobileye: dts: eyeq5,eyeq6h: rename the emmc controller
MIPS: mm: tlb-r4k: Uniquify TLB entries on init
MIPS: SGI-IP27: Delete an unnecessary check before kfree() in hub_domain_free()
mips/malta,loongson2ef: use generic mc146818_get_time function
mips: remove redundant macro mc146818_decode_year
mips/mach-rm: remove custom mc146818rtc.h file
mips: remove unused function mc146818_set_rtc_mmss
MIPS: CPS: Optimise delay CPU calibration for SMP
MIPS: CPS: Improve mips_cps_first_online_in_cluster()
MIPS: disable MMID when not supported by the hardware
MIPS: eyeq5_defconfig: add I2C subsystem, driver and temp sensor driver
MIPS: eyeq5_defconfig: add GPIO subsystem & driver
MIPS: mobileye: eyeq5: add two GPIO bank nodes
MIPS: mobileye: eyeq5: add evaluation board I2C temp sensor
MIPS: mobileye: eyeq5: add 5 I2C controller nodes
MIPS: eyeq5_defconfig: Update for v6.16-rc1
MIPS: vpe-mt: add missing prototypes for vpe_{alloc,start,stop,free}
mips: boot: use 'targets' instead of extra-y in Makefile
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Restricted pointers ("%pK") are not meant to be used through printk().
It can unintentionally expose security sensitive, raw pointer values.
Use regular pointer formatting instead.
Link: https://lore.kernel.org/lkml/20250113171731-dc10e3c1-da64-4af0-b767-7c7070468023@linutronix.de/
Signed-off-by: Thomas Weißschuh <[email protected]>
Signed-off-by: Thomas Bogendoerfer <[email protected]>
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I am switching my address to a personal domain, so some files in the
SGI IP30 and IOC3 files need to be updated. I will send updates for
the MAINTAINERS file and rtc-ds1685 separately to linux-rtc.
Signed-off-by: Joshua Kinard <[email protected]>
Signed-off-by: Thomas Bogendoerfer <[email protected]>
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The name should match the pattern defined in the mmc-controller binding.
Reported-by: kernel test robot <[email protected]>
Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/
Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/
Signed-off-by: Benoît Monin <[email protected]>
Reviewed-by: Krzysztof Kozlowski <[email protected]>
Signed-off-by: Thomas Bogendoerfer <[email protected]>
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Hardware or bootloader will initialize TLB entries to any value, which
may collide with kernel's UNIQUE_ENTRYHI value. On MIPS microAptiv/M5150
family of cores this will trigger machine check exception and cause boot
failure. On M5150 simulation this could happen 7 times out of 1000 boots.
Replace local_flush_tlb_all() with r4k_tlb_uniquify() which probes each
TLB ENTRIHI unique value for collisions before it's written, and in case
of collision try a different ASID.
Cc: [email protected]
Signed-off-by: Jiaxun Yang <[email protected]>
Signed-off-by: Thomas Bogendoerfer <[email protected]>
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It can be known that the function “kfree” performs a null pointer check
for its input parameter.
It is therefore not needed to repeat such a check before its call.
Thus remove a redundant pointer check.
The source code was transformed by using the Coccinelle software.
Signed-off-by: Markus Elfring <[email protected]>
Signed-off-by: Thomas Bogendoerfer <[email protected]>
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mc146818_get_cmos_time() is now mostly equivalent to mc146818_get_time()
from drivers/rtc/rtc-mc146818-lib.c, with the latter using a more
advanced algorithm (which checks the UIP bit in the CMOS). The Malta
and Loongson2ef platforms, the only users of mc146818_get_cmos_time()
have RTC devices that should be MC146818 compatible.
So, rewrite mc146818_get_cmos_time() in a way that uses
mc146818_get_time() and add CONFIG_RTC_MC146818_LIB as a dependency of
CONFIG_MIPS_MALTA and CONFIG_CPU_LOONGSON2EF.
The should be safe as:
- malta_defconfig already uses a standard RTC CMOS driver
(CONFIG_RTC_DRV_CMOS=y). The Malta board has an Intel 82371EB (PIIX4E)
south bridge with the CMOS RTC, so should work correctly with the
modification,
- Loongson2e and 2f apparently use the VIA686B south bridge and the AMD
CS5536 south bridge respectively (at least according to Kconfig). I
have checked datasheets of both and these appear to be MC146818
software compatible.
Signed-off-by: Mateusz Jończyk <[email protected]>
Signed-off-by: Thomas Bogendoerfer <[email protected]>
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The mc146818_decode_year macro is used only in mc146818_get_cmos_time(),
which in turn is called only in
arch/mips/loongson2ef/common/time.c
and
arch/mips/mti-malta/malta-time.c
so on mach-jazz it is unused and can be removed. On other platforms it
is defined in the same way, so it can be safely folded into
mc146818_get_cmos_time().
Signed-off-by: Mateusz Jończyk <[email protected]>
Signed-off-by: Thomas Bogendoerfer <[email protected]>
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The mc146818_decode_year macro is used only in mc146818_get_cmos_time,
which in turn is called only in
arch/mips/loongson2ef/common/time.c
and
arch/mips/mti-malta/malta-time.c
So no SNI or mach-rm content. SNI did not use mc146818_get_cmos_time
apparently since
commit 06cf5583fd9a ("[MIPS] SNI RM updates")
in 2007.
Signed-off-by: Mateusz Jończyk <[email protected]>
Signed-off-by: Thomas Bogendoerfer <[email protected]>
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I have checked carefully: this function is unused, so remove it.
The last caller appears to have been removed in 2007 in
commit 4b550488f894 ("[MIPS] Deforest the function pointer jungle in the time code.")
mc146818-time.h is included only in three files:
- arch/mips/mti-malta/malta-time.c
- arch/mips/loongson64/numa.c
- arch/mips/loongson2ef/common/time.c
Also, remove unused macros USEC_AFTER/USEC_BEFORE.
Signed-off-by: Mateusz Jończyk <[email protected]>
Signed-off-by: Thomas Bogendoerfer <[email protected]>
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On MIPS architecture with CPS-based SMP support, all CPU cores in the
same cluster run at the same frequency since they share the same L2
cache, requiring a fixed CPU/L2 cache ratio.
This allows to implement calibrate_delay_is_known(), which will return
0 (triggering calibration) only for the primary CPU of each
cluster. For other CPUs, we can simply reuse the value from their
cluster's primary CPU core.
With the introduction of this patch, a configuration running 32 cores
spread across two clusters sees a significant reduction in boot time
by approximately 600 milliseconds.
Reviewed-by: Jiaxun Yang <[email protected]>
Signed-off-by: Gregory CLEMENT <[email protected]>
Signed-off-by: Thomas Bogendoerfer <[email protected]>
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The initial implementation of this function goes through all the CPUs
in a cluster to determine if the current CPU is the only one
running. This process occurs every time the function is called.
However, during boot, we already perform this task, so let's take
advantage of this opportunity to create and fill a CPU bitmask that
can be easily and efficiently used later.
This patch modifies the function to allow providing the first
available online CPU when one already exists, which is necessary for
delay CPU calibration optimization.
Reviewed-by: Jiaxun Yang <[email protected]>
Signed-off-by: Gregory CLEMENT <[email protected]>
Signed-off-by: Thomas Bogendoerfer <[email protected]>
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It is possible that MMID is supported at the CPU level, but its
integration in a SoC prevents its usage. For instance, if the
System-level Interconnect (also known as Network on Chip) does not
support global invalidation, then the MMID feature is not usable. The
current implementation of MMID relies on the GINV* instructions.
This patch allows the disabling of MMID based on a device tree
property, as this issue cannot be detected at runtime.
MMID is set up very early during the boot process, even before device
tree data can be accessed. Therefore, when we determine whether MMID
needs to be disabled, some MMID setup has already been performed for
the boot CPU. Consequently, we must revert the MMID setup on the first
CPU before disabling the feature for the subsequent CPUs that will be
initialized later.
Signed-off-by: Gregory CLEMENT <[email protected]>
Signed-off-by: Thomas Bogendoerfer <[email protected]>
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Enable I2C support on the EyeQ5 platform. The evaluation board has a
temperature sensor mounted which helps test the integration.
Signed-off-by: Théo Lebrun <[email protected]>
Acked-by: Gregory CLEMENT <[email protected]>
Signed-off-by: Thomas Bogendoerfer <[email protected]>
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Enable GPIO support on the EyeQ5 platform.
Signed-off-by: Théo Lebrun <[email protected]>
Acked-by: Gregory CLEMENT <[email protected]>
Signed-off-by: Thomas Bogendoerfer <[email protected]>
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This platform uses the same GPIO controller as Nomadik. It however has
its own pinconf & pinmux controller. EyeQ5 is the first platform to use
gpio-nomadik independently from pinctrl-nomadik.
Signed-off-by: Théo Lebrun <[email protected]>
Acked-by: Gregory CLEMENT <[email protected]>
Signed-off-by: Thomas Bogendoerfer <[email protected]>
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Declare the temperature sensor on I2C bus 2. Its label is the schematics
identifier.
Acked-by: Linus Walleij <[email protected]>
Acked-by: Andi Shyti <[email protected]>
Signed-off-by: Théo Lebrun <[email protected]>
Acked-by: Gregory CLEMENT <[email protected]>
Signed-off-by: Thomas Bogendoerfer <[email protected]>
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Add the SoC I2C controller nodes to the platform devicetree. Use a
default bus frequency of 400kHz. They are AMBA devices that are matched
on PeriphID.
Set transfer timeout to 10ms instead of Linux's default of 200ms.
Acked-by: Linus Walleij <[email protected]>
Acked-by: Andi Shyti <[email protected]>
Signed-off-by: Théo Lebrun <[email protected]>
Acked-by: Gregory CLEMENT <[email protected]>
Signed-off-by: Thomas Bogendoerfer <[email protected]>
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- Sort by moving CONFIG_PAGE_SIZE_16KB=y.
- Drop CONFIG_MACH_EYEQ5=y because it is the default:
# arch/mips/mobileye/Kconfig
choice
prompt "Mobileye EyeQ SoC selection"
default MACH_EYEQ5
- Drop CONFIG_SPARSEMEM_MANUAL=y because:
# mm/Kconfig
choice
prompt "Memory model"
depends on SELECT_MEMORY_MODEL
default SPARSEMEM_MANUAL if ARCH_SPARSEMEM_DEFAULT
default FLATMEM_MANUAL
# arch/mips/Kconfig
config EYEQ
select ARCH_SPARSEMEM_DEFAULT if 64BIT
Signed-off-by: Théo Lebrun <[email protected]>
Acked-by: Gregory CLEMENT <[email protected]>
Signed-off-by: Thomas Bogendoerfer <[email protected]>
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These functions are exported but their prototypes are not defined.
This patch adds the missing function prototypes to fix the following
compilation warnings:
arch/mips/kernel/vpe-mt.c:180:7: error: no previous prototype for 'vpe_alloc' [-Werror=missing-prototypes]
180 | void *vpe_alloc(void)
| ^~~~~~~~~
arch/mips/kernel/vpe-mt.c:198:5: error: no previous prototype for 'vpe_start' [-Werror=missing-prototypes]
198 | int vpe_start(void *vpe, unsigned long start)
| ^~~~~~~~~
arch/mips/kernel/vpe-mt.c:208:5: error: no previous prototype for 'vpe_stop' [-Werror=missing-prototypes]
208 | int vpe_stop(void *vpe)
| ^~~~~~~~
arch/mips/kernel/vpe-mt.c:229:5: error: no previous prototype for 'vpe_free' [-Werror=missing-prototypes]
229 | int vpe_free(void *vpe)
| ^~~~~~~~
Signed-off-by: Shiji Yang <[email protected]>
Signed-off-by: Thomas Bogendoerfer <[email protected]>
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vmlinux.bin.* files are built as prerequisites of other objects.
There is no need to use extra-y, which is planned for deprecation.
Signed-off-by: Masahiro Yamada <[email protected]>
Signed-off-by: Thomas Bogendoerfer <[email protected]>
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Not all tasks have an ABI associated or vDSO mapped,
for example kthreads never do.
If such a task ever ends up calling stack_top(), it will derefence the
NULL ABI pointer and crash.
This can for example happen when using kunit:
mips_stack_top+0x28/0xc0
arch_pick_mmap_layout+0x190/0x220
kunit_vm_mmap_init+0xf8/0x138
__kunit_add_resource+0x40/0xa8
kunit_vm_mmap+0x88/0xd8
usercopy_test_init+0xb8/0x240
kunit_try_run_case+0x5c/0x1a8
kunit_generic_run_threadfn_adapter+0x28/0x50
kthread+0x118/0x240
ret_from_kernel_thread+0x14/0x1c
Only dereference the ABI point if it is set.
The GIC page is also included as it is specific to the vDSO.
Also move the randomization adjustment into the same conditional.
Signed-off-by: Thomas Weißschuh <[email protected]>
Reviewed-by: David Gow <[email protected]>
Reviewed-by: Huacai Chen <[email protected]>
Signed-off-by: Thomas Bogendoerfer <[email protected]>
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Now that OF ahb support was added to the ath9k driver, we can use it to
enable and use the SoC wireless found in these chipsets.
Signed-off-by: Rosen Penev <[email protected]>
Reviewed-by: Krzysztof Kozlowski <[email protected]>
Signed-off-by: Thomas Bogendoerfer <[email protected]>
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Enable MMC support on eyeQ5 platform so it can be used as the root
partition.
Signed-off-by: Benoît Monin <[email protected]>
Acked-by: Gregory CLEMENT <[email protected]>
Signed-off-by: Thomas Bogendoerfer <[email protected]>
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Add the MMC/SDHCI controller found in the eyeQ5 SoC. It is based on the
cadence sd4hc controller and support modes up to HS400 enhanced strobe.
Signed-off-by: Benoît Monin <[email protected]>
Acked-by: Gregory CLEMENT <[email protected]>
Signed-off-by: Thomas Bogendoerfer <[email protected]>
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Enable MMC support on eyeQ6 platform so it can be used as the root
partition.
Signed-off-by: Benoît Monin <[email protected]>
Acked-by: Gregory CLEMENT <[email protected]>
Signed-off-by: Thomas Bogendoerfer <[email protected]>
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Add the MMC/SDHCI controller found in the eyeQ6 SoC. It is based on the
cadence sd4hc controller and support modes up to HS400 enhanced strobe.
Signed-off-by: Benoît Monin <[email protected]>
Acked-by: Gregory CLEMENT <[email protected]>
Signed-off-by: Thomas Bogendoerfer <[email protected]>
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request_mem_region() will return NULL instead of error code
when the memory request fails. Therefore, we should check if
the return value is non-zero instead of less than zero. In
this way, this patch also fixes the build warnings:
arch/mips/lantiq/falcon/sysctrl.c:214:50: error: ordered comparison of pointer with integer zero [-Werror=extra]
214 | res_status.name) < 0) ||
| ^
arch/mips/lantiq/falcon/sysctrl.c:216:47: error: ordered comparison of pointer with integer zero [-Werror=extra]
216 | res_ebu.name) < 0) ||
| ^
arch/mips/lantiq/falcon/sysctrl.c:219:50: error: ordered comparison of pointer with integer zero [-Werror=extra]
219 | res_sys[0].name) < 0) ||
| ^
arch/mips/lantiq/falcon/sysctrl.c:222:50: error: ordered comparison of pointer with integer zero [-Werror=extra]
222 | res_sys[1].name) < 0) ||
| ^
arch/mips/lantiq/falcon/sysctrl.c:225:50: error: ordered comparison of pointer with integer zero [-Werror=extra]
225 | res_sys[2].name) < 0))
|
Signed-off-by: Shiji Yang <[email protected]>
Signed-off-by: Thomas Bogendoerfer <[email protected]>
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"prom.h" includes the prototype of ltq_soc_init(). Fix warning:
arch/mips/lantiq/falcon/sysctrl.c:185:13: error: no previous prototype for 'ltq_soc_init' [-Werror=missing-prototypes]
185 | void __init ltq_soc_init(void)
| ^~~~~~~~~~~~
Signed-off-by: Shiji Yang <[email protected]>
Signed-off-by: Thomas Bogendoerfer <[email protected]>
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This is a defined but unused function. Fix warning:
arch/mips/lantiq/falcon/sysctrl.c:75:6: error: no previous prototype for 'falcon_trigger_hrst' [-Werror=missing-prototypes]
75 | void falcon_trigger_hrst(int level)
| ^~~~~~~~~~~~~~~~~~~
Signed-off-by: Shiji Yang <[email protected]>
Signed-off-by: Thomas Bogendoerfer <[email protected]>
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Fix the following build warnings:
arch/mips/lantiq/falcon/prom.c:39:13: error: no previous prototype for 'ltq_soc_nmi_setup' [-Werror=missing-prototypes]
39 | void __init ltq_soc_nmi_setup(void)
| ^~~~~~~~~~~~~~~~~
arch/mips/lantiq/falcon/prom.c:46:13: error: no previous prototype for 'ltq_soc_ejtag_setup' [-Werror=missing-prototypes]
46 | void __init ltq_soc_ejtag_setup(void)
| ^~~~~~~~~~~~~~~~~~~
Signed-off-by: Shiji Yang <[email protected]>
Signed-off-by: Thomas Bogendoerfer <[email protected]>
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ltq_get_cp1_base() is an exported function, we must define
its prototype on header file. Fix warning:
arch/mips/lantiq/xway/vmmc.c:22:15: error: no previous prototype for 'ltq_get_cp1_base' [-Werror=missing-prototypes]
22 | unsigned int *ltq_get_cp1_base(void)
| ^~~~~~~~~~~~~~~~
Signed-off-by: Shiji Yang <[email protected]>
Signed-off-by: Thomas Bogendoerfer <[email protected]>
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Fix the following missing-prototypes warning:
arch/mips/lantiq/xway/gptu.c:197:12: error: no previous prototype for 'gptu_init' [-Werror=missing-prototypes]
197 | int __init gptu_init(void)
| ^~~~~~~~~
Signed-off-by: Shiji Yang <[email protected]>
Signed-off-by: Thomas Bogendoerfer <[email protected]>
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Fix the following missing-prototypes warning:
arch/mips/lantiq/xway/clk.c:77:15: error: no previous prototype for 'ltq_ar9_sys_hz' [-Werror=missing-prototypes]
77 | unsigned long ltq_ar9_sys_hz(void)
| ^~~~~~~~~~~~~~
Signed-off-by: Shiji Yang <[email protected]>
Signed-off-by: Thomas Bogendoerfer <[email protected]>
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Fix the following build warnings:
arch/mips/lantiq/irq.c:340:12: error: no previous prototype for 'icu_of_init' [-Werror=missing-prototypes]
340 | int __init icu_of_init(struct device_node *node, struct device_node *parent)
| ^~~~~~~~~~~
arch/mips/lantiq/irq.c:418:5: error: no previous prototype for 'get_c0_perfcount_int' [-Werror=missing-prototypes]
418 | int get_c0_perfcount_int(void)
| ^~~~~~~~~~~~~~~~~~~~
arch/mips/lantiq/irq.c:424:14: error: no previous prototype for 'get_c0_compare_int' [-Werror=missing-prototypes]
424 | unsigned int get_c0_compare_int(void)
| ^~~~~~~~~~~~~~~~~~
Signed-off-by: Shiji Yang <[email protected]>
Signed-off-by: Thomas Bogendoerfer <[email protected]>
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Fix the following missing-prototypes build warning:
arch/mips/lantiq/xway/dcdc.c:49:12: error: no previous prototype for 'dcdc_init' [-Werror=missing-prototypes]
49 | int __init dcdc_init(void)
| ^~~~~~~~~
Signed-off-by: Shiji Yang <[email protected]>
Signed-off-by: Thomas Bogendoerfer <[email protected]>
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Fix the following missing-prototypes build warning:
arch/mips/pci/pci-lantiq.c:239:12: error: no previous prototype for 'pcibios_init' [-Werror=missing-prototypes]
239 | int __init pcibios_init(void)
| ^~~~~~~~~~~~
Signed-off-by: Shiji Yang <[email protected]>
Signed-off-by: Thomas Bogendoerfer <[email protected]>
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Fix the following missing-prototypes build warning:
arch/mips/lantiq/xway/dma.c:293:1: error: no previous prototype for 'dma_init' [-Werror=missing-prototypes]
293 | dma_init(void)
| ^~~~~~~~
Signed-off-by: Shiji Yang <[email protected]>
Signed-off-by: Thomas Bogendoerfer <[email protected]>
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After commit a934a57a42f64a4 ("scripts/misc-check: check missing #include
<linux/export.h> when W=1") and 7d95680d64ac8e836c ("scripts/misc-check:
check unnecessary #include <linux/export.h> when W=1"), we get some build
warnings with W=1:
arch/mips/loongson64/setup.c: warning: EXPORT_SYMBOL() is not used, but #include <linux/export.h> is present
So fix these build warnings for MIPS/Loongson.
Signed-off-by: Huacai Chen <[email protected]>
Reviewed-by: Masahiro Yamada <[email protected]>
Signed-off-by: Thomas Bogendoerfer <[email protected]>
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If CONFIG_MACH_TX49XX=y:
arch/mips/txx9/generic/setup.c: In function ‘txx9_sramc_init’:
arch/mips/txx9/generic/setup.c:839:32: error: assignment to ‘ssize_t (*)(struct file *, struct kobject *, const struct bin_attribute *, char *, loff_t, size_t)’ {aka ‘long int (*)(struct file *, struct kobject *, const struct bin_attribute *, char *, long long int, long unsigned int)’} from incompatible pointer type ‘ssize_t (*)(struct file *, struct kobject *, struct bin_attribute *, char *, loff_t, size_t)’ {aka ‘long int (*)(struct file *, struct kobject *, struct bin_attribute *, char *, long long int, long unsigned int)’} [-Werror=incompatible-pointer-types]
839 | dev->bindata_attr.read = txx9_sram_read;
| ^
arch/mips/txx9/generic/setup.c:840:33: error: assignment to ‘ssize_t (*)(struct file *, struct kobject *, const struct bin_attribute *, char *, loff_t, size_t)’ {aka ‘long int (*)(struct file *, struct kobject *, const struct bin_attribute *, char *, long long int, long unsigned int)’} from incompatible pointer type ‘ssize_t (*)(struct file *, struct kobject *, struct bin_attribute *, char *, loff_t, size_t)’ {aka ‘long int (*)(struct file *, struct kobject *, struct bin_attribute *, char *, long long int, long unsigned int)’} [-Werror=incompatible-pointer-types]
840 | dev->bindata_attr.write = txx9_sram_write;
| ^
Fixes: 97d06802d10a2827 ("sysfs: constify bin_attribute argument of bin_attribute::read/write()")
Signed-off-by: Geert Uytterhoeven <[email protected]>
Signed-off-by: Thomas Bogendoerfer <[email protected]>
|
