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Merge tag 'v5.8-rc4' into for-5.9/drivers
Merge in 5.8-rc4 for-5.9/block to setup for-5.9/drivers, to provide a clean base and making the life for the NVMe changes easier. Signed-off-by: Jens Axboe <[email protected]> * tag 'v5.8-rc4': (732 commits) Linux 5.8-rc4 x86/ldt: use "pr_info_once()" instead of open-coding it badly MIPS: Do not use smp_processor_id() in preemptible code MIPS: Add missing EHB in mtc0 -> mfc0 sequence for DSPen .gitignore: Do not track `defconfig` from `make savedefconfig` io_uring: fix regression with always ignoring signals in io_cqring_wait() x86/ldt: Disable 16-bit segments on Xen PV x86/entry/32: Fix #MC and #DB wiring on x86_32 x86/entry/xen: Route #DB correctly on Xen PV x86/entry, selftests: Further improve user entry sanity checks x86/entry/compat: Clear RAX high bits on Xen PV SYSENTER i2c: mlxcpld: check correct size of maximum RECV_LEN packet i2c: add Kconfig help text for slave mode i2c: slave-eeprom: update documentation i2c: eg20t: Load module automatically if ID matches i2c: designware: platdrv: Set class based on DMI i2c: algo-pca: Add 0x78 as SCL stuck low status for PCA9665 mm/page_alloc: fix documentation error vmalloc: fix the owner argument for the new __vmalloc_node_range callers mm/cma.c: use exact_nid true to fix possible per-numa cma leak ...
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‎.gitignore

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@@ -143,6 +143,9 @@ x509.genkey
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/allrandom.config
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/allyes.config
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# Kconfig savedefconfig output
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/defconfig
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# Kdevelop4
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*.kdev4
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‎Documentation/ABI/testing/dev-kmsg

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seek after the last record available at the time
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the last SYSLOG_ACTION_CLEAR was issued.
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Due to the record nature of this interface with a "read all"
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behavior and the specific positions each seek operation sets,
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SEEK_CUR is not supported, returning -ESPIPE (invalid seek) to
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errno whenever requested.
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The output format consists of a prefix carrying the syslog
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prefix including priority and facility, the 64 bit message
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sequence number and the monotonic timestamp in microseconds,

‎Documentation/ABI/testing/sysfs-platform-chipidea-usb-otg

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What: /sys/bus/platform/devices/ci_hdrc.0/inputs/a_bus_req
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Date: Feb 2014
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Contact: Li Jun <b47624@freescale.com>
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Contact: Li Jun <jun.li@nxp.com>
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Description:
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Can be set and read.
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Set a_bus_req(A-device bus request) input to be 1 if
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What: /sys/bus/platform/devices/ci_hdrc.0/inputs/a_bus_drop
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Date: Feb 2014
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Contact: Li Jun <b47624@freescale.com>
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Contact: Li Jun <jun.li@nxp.com>
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Description:
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Can be set and read
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The a_bus_drop(A-device bus drop) input is 1 when the
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What: /sys/bus/platform/devices/ci_hdrc.0/inputs/b_bus_req
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Date: Feb 2014
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Contact: Li Jun <b47624@freescale.com>
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Contact: Li Jun <jun.li@nxp.com>
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Description:
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Can be set and read.
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The b_bus_req(B-device bus request) input is 1 during the time
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What: /sys/bus/platform/devices/ci_hdrc.0/inputs/a_clr_err
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Date: Feb 2014
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Contact: Li Jun <b47624@freescale.com>
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Contact: Li Jun <jun.li@nxp.com>
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Description:
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Only can be set.
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The a_clr_err(A-device Vbus error clear) input is used to clear

‎Documentation/admin-guide/cgroup-v2.rst

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thp_fault_alloc
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Number of transparent hugepages which were allocated to satisfy
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a page fault, including COW faults. This counter is not present
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when CONFIG_TRANSPARENT_HUGEPAGE is not set.
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a page fault. This counter is not present when CONFIG_TRANSPARENT_HUGEPAGE
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is not set.
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thp_collapse_alloc
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Number of transparent hugepages which were allocated to allow

‎Documentation/admin-guide/device-mapper/index.rst

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dm-clone
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dm-crypt
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dm-dust
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dm-ebs
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dm-flakey
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dm-init
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dm-integrity

‎Documentation/admin-guide/mm/transhuge.rst

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thp_fault_alloc
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is incremented every time a huge page is successfully
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allocated to handle a page fault. This applies to both the
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first time a page is faulted and for COW faults.
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allocated to handle a page fault.
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thp_collapse_alloc
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is incremented by khugepaged when it has found

‎Documentation/arm64/silicon-errata.rst

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+----------------+-----------------+-----------------+-----------------------------+
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| Qualcomm Tech. | Falkor v{1,2} | E1041 | QCOM_FALKOR_ERRATUM_1041 |
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+----------------+-----------------+-----------------+-----------------------------+
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| Qualcomm Tech. | Kryo4xx Gold | N/A | ARM64_ERRATUM_1463225 |
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+----------------+-----------------+-----------------+-----------------------------+
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| Qualcomm Tech. | Kryo4xx Gold | N/A | ARM64_ERRATUM_1418040 |
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+----------------+-----------------+-----------------+-----------------------------+
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| Qualcomm Tech. | Kryo4xx Silver | N/A | ARM64_ERRATUM_1530923 |
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+----------------+-----------------+-----------------+-----------------------------+
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| Qualcomm Tech. | Kryo4xx Silver | N/A | ARM64_ERRATUM_1024718 |
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+----------------+-----------------+-----------------+-----------------------------+
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+----------------+-----------------+-----------------+-----------------------------+
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| Fujitsu | A64FX | E#010001 | FUJITSU_ERRATUM_010001 |
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+----------------+-----------------+-----------------+-----------------------------+

‎Documentation/bpf/prog_cgroup_sockopt.rst

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*not* the original input ``setsockopt`` arguments. The potentially
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modified values will be then passed down to the kernel.
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Large optval
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============
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When the ``optval`` is greater than the ``PAGE_SIZE``, the BPF program
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can access only the first ``PAGE_SIZE`` of that data. So it has to options:
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* Set ``optlen`` to zero, which indicates that the kernel should
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use the original buffer from the userspace. Any modifications
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done by the BPF program to the ``optval`` are ignored.
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* Set ``optlen`` to the value less than ``PAGE_SIZE``, which
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indicates that the kernel should use BPF's trimmed ``optval``.
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When the BPF program returns with the ``optlen`` greater than
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``PAGE_SIZE``, the userspace will receive ``EFAULT`` errno.
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Example
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=======
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‎Documentation/core-api/pin_user_pages.rst

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pin_user_pages*() APIs are clearly distinct from the get_user_pages*() APIs, so
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that's a natural dividing line, and a good point to make separate wrapper calls.
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In other words, use pin_user_pages*() for DMA-pinned pages, and
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get_user_pages*() for other cases. There are four cases described later on in
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get_user_pages*() for other cases. There are five cases described later on in
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this document, to further clarify that concept.
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FOLL_PIN and FOLL_GET are mutually exclusive for a given gup call. However,

‎Documentation/dev-tools/kcsan.rst

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To dynamically limit for which functions to generate reports, see the
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`DebugFS interface`_ blacklist/whitelist feature.
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For ``__always_inline`` functions, replace ``__always_inline`` with
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``__no_kcsan_or_inline`` (which implies ``__always_inline``)::
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static __no_kcsan_or_inline void foo(void) {
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...
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* To disable data race detection for a particular compilation unit, add to the
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``Makefile``::
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‎Documentation/dev-tools/kunit/faq.rst

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kernel by installing a production configuration of the kernel on production
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hardware with a production userspace and then trying to exercise some behavior
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that depends on interactions between the hardware, the kernel, and userspace.
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KUnit isn't working, what should I do?
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======================================
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Unfortunately, there are a number of things which can break, but here are some
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things to try.
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1. Try running ``./tools/testing/kunit/kunit.py run`` with the ``--raw_output``
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parameter. This might show details or error messages hidden by the kunit_tool
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parser.
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2. Instead of running ``kunit.py run``, try running ``kunit.py config``,
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``kunit.py build``, and ``kunit.py exec`` independently. This can help track
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down where an issue is occurring. (If you think the parser is at fault, you
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can run it manually against stdin or a file with ``kunit.py parse``.)
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3. Running the UML kernel directly can often reveal issues or error messages
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kunit_tool ignores. This should be as simple as running ``./vmlinux`` after
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building the UML kernel (e.g., by using ``kunit.py build``). Note that UML
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has some unusual requirements (such as the host having a tmpfs filesystem
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mounted), and has had issues in the past when built statically and the host
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has KASLR enabled. (On older host kernels, you may need to run ``setarch
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`uname -m` -R ./vmlinux`` to disable KASLR.)
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4. Make sure the kernel .config has ``CONFIG_KUNIT=y`` and at least one test
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(e.g. ``CONFIG_KUNIT_EXAMPLE_TEST=y``). kunit_tool will keep its .config
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around, so you can see what config was used after running ``kunit.py run``.
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It also preserves any config changes you might make, so you can
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enable/disable things with ``make ARCH=um menuconfig`` or similar, and then
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re-run kunit_tool.
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5. Try to run ``make ARCH=um defconfig`` before running ``kunit.py run``. This
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may help clean up any residual config items which could be causing problems.
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6. Finally, try running KUnit outside UML. KUnit and KUnit tests can run be
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built into any kernel, or can be built as a module and loaded at runtime.
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Doing so should allow you to determine if UML is causing the issue you're
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seeing. When tests are built-in, they will execute when the kernel boots, and
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modules will automatically execute associated tests when loaded. Test results
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can be collected from ``/sys/kernel/debug/kunit/<test suite>/results``, and
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can be parsed with ``kunit.py parse``. For more details, see "KUnit on
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non-UML architectures" in :doc:`usage`.
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If none of the above tricks help, you are always welcome to email any issues to
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[email protected].

‎Documentation/devicetree/bindings/Makefile

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DT_DOC_CHECKER ?= dt-doc-validate
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DT_EXTRACT_EX ?= dt-extract-example
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DT_MK_SCHEMA ?= dt-mk-schema
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DT_MK_SCHEMA_USERONLY_FLAG := $(if $(DT_SCHEMA_FILES), -u)
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DT_SCHEMA_FILES ?= $(DT_DOCS)
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extra-$(CHECK_DT_BINDING) += $(patsubst $(src)/%.yaml,%.example.dts, $(DT_SCHEMA_FILES))
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extra-$(CHECK_DT_BINDING) += $(patsubst $(src)/%.yaml,%.example.dt.yaml, $(DT_SCHEMA_FILES))
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extra-$(CHECK_DT_BINDING) += processed-schema-examples.yaml
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override DTC_FLAGS := \
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-Wno-graph_child_address
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-Wno-graph_child_address \
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$(obj)/processed-schema.yaml: DT_MK_SCHEMA_FLAGS := $(DT_MK_SCHEMA_USERONLY_FLAG)
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$(obj)/processed-schema.yaml: $(obj)/processed-schema-examples.yaml FORCE
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$(call if_changed,copy)
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else
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$(obj)/processed-schema.yaml: DT_MK_SCHEMA_FLAGS := -u
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extra-y += processed-schema.yaml
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endif
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extra-$(CHECK_DT_BINDING) += $(patsubst $(src)/%.yaml,%.example.dts, $(DT_SCHEMA_FILES))
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extra-$(CHECK_DT_BINDING) += $(patsubst $(src)/%.yaml,%.example.dt.yaml, $(DT_SCHEMA_FILES))
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extra-$(CHECK_DT_BINDING) += processed-schema-examples.yaml
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extra-$(CHECK_DTBS) += processed-schema.yaml
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# Hack: avoid 'Argument list too long' error for 'make clean'. Remove most of
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-name '*.example.dt.yaml' \) -delete 2>/dev/null)

‎Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt

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&lsio_mu1 1 2
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&lsio_mu1 3 3>;
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See Documentation/devicetree/bindings/mailbox/fsl,mu.yaml
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‎Documentation/devicetree/bindings/bus/socionext,uniphier-system-bus.yaml

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<5 0x00000000 0x46000000 0x01000000>;
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ethernet@1,01f00000 {
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ethernet@1,1f00000 {
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compatible = "smsc,lan9115";
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reg = <1 0x01f00000 0x1000>;
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interrupts = <0 48 4>;
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phy-mode = "mii";
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};
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uart@5,00200000 {
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serial@5,200000 {
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interrupts = <0 49 4>;

‎Documentation/devicetree/bindings/clock/imx27-clock.yaml

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- Fabio Estevam <fabio.estevam@nxp.com>
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description: |
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The clock consumer should specify the desired clock by having the clock

‎Documentation/devicetree/bindings/clock/imx31-clock.yaml

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- Fabio Estevam <fabio.estevam@nxp.com>
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The clock consumer should specify the desired clock by having the clock

‎Documentation/devicetree/bindings/clock/imx5-clock.yaml

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- Fabio Estevam <fabio.estevam@freescale.com>
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- Fabio Estevam <fabio.estevam@nxp.com>
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‎Documentation/devicetree/bindings/display/bridge/sii902x.txt

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simple-card or audio-graph-card binding. See their binding
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documents on how to describe the way the sii902x device is
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Documentation/devicetree/bindings/sound/simple-card.txt
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Documentation/devicetree/bindings/sound/simple-card.yaml
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Documentation/devicetree/bindings/sound/audio-graph-card.txt
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Note: In case of the audio-graph-card binding the used port
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index should be 3.

‎Documentation/devicetree/bindings/display/imx/fsl-imx-drm.txt

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datasheet
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Documentation/devicetree/bindings/clock/imx6q-clock.txt.
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Documentation/devicetree/bindings/clock/imx6q-clock.yaml.
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- clock-names: should be "axi"
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@@ -94,7 +94,7 @@ Required properties:
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datasheet
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Documentation/devicetree/bindings/clock/imx6q-clock.txt.
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Documentation/devicetree/bindings/clock/imx6q-clock.yaml.
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- clock-names: should be "ipg" and "axi"
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- fsl,pres: phandles to the PRE units attached to this PRG, with the fixed
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‎Documentation/devicetree/bindings/display/imx/ldb.txt

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Documentation/devicetree/bindings/clock/imx5-clock.txt, and in
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Documentation/devicetree/bindings/clock/imx6q-clock.txt.
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Documentation/devicetree/bindings/clock/imx5-clock.yaml, and in
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Documentation/devicetree/bindings/clock/imx6q-clock.yaml.
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Optional properties:
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- pinctrl-names : should be "default" on i.MX53, not used on i.MX6q

‎Documentation/devicetree/bindings/display/panel/arm,versatile-tft-panel.yaml

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examples:
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sysreg {
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sysreg@0 {
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‎Documentation/devicetree/bindings/display/rockchip/rockchip-drm.yaml

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Documentation/devicetree/bindings/display/rockchip/rockchip-vop.yaml
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required:
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‎Documentation/devicetree/bindings/gpio/mediatek,mt7621-gpio.txt

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Only the GPIO_ACTIVE_HIGH and GPIO_ACTIVE_LOW flags are supported.
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- #interrupt-cells : Specifies the number of cells needed to encode an
1414
interrupt. Should be 2. The first cell defines the interrupt number,
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the second encodes the triger flags encoded as described in
15+
the second encodes the trigger flags encoded as described in
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Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
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- compatible:
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- "mediatek,mt7621-gpio" for Mediatek controllers

‎Documentation/devicetree/bindings/interrupt-controller/csky,mpintc.txt

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Interrupt triger mode: (Defined in dt-bindings/interrupt-controller/irq.h)
13+
Interrupt trigger mode: (Defined in dt-bindings/interrupt-controller/irq.h)
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IRQ_TYPE_LEVEL_HIGH (default)
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IRQ_TYPE_LEVEL_LOW
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IRQ_TYPE_EDGE_RISING

‎Documentation/devicetree/bindings/mailbox/xlnx,zynqmp-ipi-mailbox.txt

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/* APU<->RPU0 IPI mailbox controller */
90-
ipi_mailbox_rpu0: mailbox@ff90400 {
90+
ipi_mailbox_rpu0: mailbox@ff990400 {
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reg = <0xff990400 0x20>,
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<0xff990420 0x20>,
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<0xff990080 0x20>,

‎Documentation/devicetree/bindings/misc/olpc,xo1.75-ec.txt

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -8,7 +8,7 @@ The embedded controller requires the SPI controller driver to signal readiness
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to receive a transfer (that is, when TX FIFO contains the response data) by
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strobing the ACK pin with the ready signal. See the "ready-gpios" property of the
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SSP binding as documented in:
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<Documentation/devicetree/bindings/spi/spi-pxa2xx.txt>.
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<Documentation/devicetree/bindings/spi/marvell,mmp2-ssp.yaml>.
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Example:
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&ssp3 {

‎Documentation/devicetree/bindings/net/mediatek-bluetooth.txt

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Original file line numberDiff line numberDiff line change
@@ -3,7 +3,7 @@ MediaTek SoC built-in Bluetooth Devices
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This device is a serial attached device to BTIF device and thus it must be a
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child node of the serial node with BTIF. The dt-bindings details for BTIF
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device can be known via Documentation/devicetree/bindings/serial/8250.txt.
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device can be known via Documentation/devicetree/bindings/serial/8250.yaml.
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Required properties:
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