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Author SHA1 Message Date
Jesus Sanchez-Palencia
d6f7ff9dd3 libbpf: Revert poisoning of strlcpy
This reverts commit 6d0c4b11e743("libbpf: Poison strlcpy()").

It added the pragma poison directive to libbpf_internal.h to protect
against accidental usage of strlcpy but ended up breaking the build for
toolchains based on libcs which provide the strlcpy() declaration from
string.h (e.g. uClibc-ng). The include order which causes the issue is:

    string.h,
    from Iibbpf_common.h:12,
    from libbpf.h:20,
    from libbpf_internal.h:26,
    from strset.c:9:

Fixes: 6d0c4b11e7 ("libbpf: Poison strlcpy()")
Signed-off-by: Jesus Sanchez-Palencia <jesussanp@google.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20230309004836.2808610-1-jesussanp@google.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2023-03-10 10:19:25 -08:00
Andrii Nakryiko
52c2b005a3 bpf: take into account liveness when propagating precision
When doing state comparison, if old state has register that is not
marked as REG_LIVE_READ, then we just skip comparison, regardless what's
the state of corresponing register in current state. This is because not
REG_LIVE_READ register is irrelevant for further program execution and
correctness. All good here.

But when we get to precision propagation, after two states were declared
equivalent, we don't take into account old register's liveness, and thus
attempt to propagate precision for register in current state even if
that register in old state was not REG_LIVE_READ anymore. This is bad,
because register in current state could be anything at all and this
could cause -EFAULT due to internal logic bugs.

Fix by taking into account REG_LIVE_READ liveness mark to keep the logic
in state comparison in sync with precision propagation.

Fixes: a3ce685dd0 ("bpf: fix precision tracking")
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/r/20230309224131.57449-1-andrii@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2023-03-10 10:11:42 -08:00
Ville Syrjälä
636f973c12 drm/i915: Reject wm levels that exceed vblank time
The pipe needs a certain amount of time during vblank to prefill
sufficiently. If the vblank is too short the relevant watermark
level must be disabled.

Start implementing the necessary calculations to check this.
Scaler and DSC prefill are left out for now as handling those
is not entirely trivial.

Also the PSR latency reporting override chicken bits would
need to be correctly configured based on the results of these
calculations. Just add some FIXMEs for now.

TODO: bspec isn't exactly crystal clear in its explanations
      so quite a few open questions remain...

v2: Skip inacive pipes
    Handle SAGV latency
v3: Rebase
v4: Fix handling of disabled wm levels (latency == 0)

Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230306164854.25928-1-ville.syrjala@linux.intel.com
2023-03-10 20:01:55 +02:00
Ville Syrjälä
6b931346ed drm/i915: Extract skl_wm_latency()
Extract the skl+ wm latency determination into a small helper
so that everyone has the same idea what the latency should be.

This introduces a slight functional change in that
skl_cursor_allocation() will now start to account for the
extra 4 usec that the kbk/cfl/cml IPC w/a adds.

v2: Rebase

Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230301162449.26672-2-ville.syrjala@linux.intel.com
2023-03-10 20:01:46 +02:00
Alessandro Manca
dbf56d2fb5 HID: topre: Add support for 87 keys Realforce R2
The tenkeyless version of the Realforce R2 has the same issue of the
full size one, the report fixup is needed to make n-key rollover
work instead of 6 key rollover

Signed-off-by: Alessandro Manca <crizan.git@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2023-03-10 18:59:51 +01:00
Linus Torvalds
55a21105ec RISC-V Fixes for 6.3-rc2
* RISC-V architecture-specific ELF attributes have been disabled in the
   kernel builds.
 * A fix for a locking failure while during errata patching that
   manifests on SiFive-based systems.
 * A fix for a KASAN failure during stack unwinding.
 * A fix for some lockdep failures during text patching.
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Merge tag 'riscv-for-linus-6.3-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux

Pull RISC-V fixes from Palmer Dabbelt:

 - RISC-V architecture-specific ELF attributes have been disabled in the
   kernel builds

 - A fix for a locking failure while during errata patching that
   manifests on SiFive-based systems

 - A fix for a KASAN failure during stack unwinding

 - A fix for some lockdep failures during text patching

* tag 'riscv-for-linus-6.3-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
  RISC-V: Don't check text_mutex during stop_machine
  riscv: Use READ_ONCE_NOCHECK in imprecise unwinding stack mode
  RISC-V: fix taking the text_mutex twice during sifive errata patching
  RISC-V: Stop emitting attributes
2023-03-10 09:19:30 -08:00
Douglas Raillard
0b04d4c054 f2fs: Fix f2fs_truncate_partial_nodes ftrace event
Fix the nid_t field so that its size is correctly reported in the text
format embedded in trace.dat files. As it stands, it is reported as
being of size 4:

        field:nid_t nid[3];     offset:24;      size:4; signed:0;

Instead of 12:

        field:nid_t nid[3];     offset:24;      size:12;        signed:0;

This also fixes the reported offset of subsequent fields so that they
match with the actual struct layout.

Signed-off-by: Douglas Raillard <douglas.raillard@arm.com>
Reviewed-by: Mukesh Ojha <quic_mojha@quicinc.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2023-03-10 08:57:49 -08:00
Linus Torvalds
b0d14d2aaf drm fixes for 6.3-rc2
mailmap
 - add an entry
 
 nouveau:
 - fix system shutdown regression
 - build warning fix
 
 cirrus:
 - NULL ptr deref fix
 
 msm:
 - fix invalid ptr free in syncobj cleanup
 - sync GMU removal in teardown
 - a5xx preemption fixes
 - fix runpm imbalance
 - DPU hw fixes
 - stack corruption fix
 - clear DSPP reservation
 
 amdgpu:
 - Misc display fixes
 - UMC 8.10 fixes
 - Driver unload fixes
 - NBIO 7.3.0 fix
 - Error checking fixes for soc15, nv, soc21 read register interface
 - Fix video cap query for VCN 4.0.4
 
 amdkfd:
 - Fix return check in doorbell handling
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Merge tag 'drm-fixes-2023-03-10' of git://anongit.freedesktop.org/drm/drm

Pull drm fixes from Dave Airlie:
 "Weekly fixes.

  msm and amdgpu are the vast majority of these, otherwise some
  straggler misc from last week for nouveau and cirrus and a mailmap
  update for a drm developer.

  mailmap:
   - add an entry

  nouveau:
   - fix system shutdown regression
   - build warning fix

  cirrus:
   - NULL ptr deref fix

  msm:
   - fix invalid ptr free in syncobj cleanup
   - sync GMU removal in teardown
   - a5xx preemption fixes
   - fix runpm imbalance
   - DPU hw fixes
   - stack corruption fix
   - clear DSPP reservation

  amdgpu:
   - Misc display fixes
   - UMC 8.10 fixes
   - Driver unload fixes
   - NBIO 7.3.0 fix
   - Error checking fixes for soc15, nv, soc21 read register interface
   - Fix video cap query for VCN 4.0.4

  amdkfd:
   - Fix return check in doorbell handling"

* tag 'drm-fixes-2023-03-10' of git://anongit.freedesktop.org/drm/drm: (42 commits)
  drm/amdgpu/soc21: Add video cap query support for VCN_4_0_4
  drm/amdgpu: fix error checking in amdgpu_read_mm_registers for nv
  drm/amdgpu: fix error checking in amdgpu_read_mm_registers for soc21
  drm/amdgpu: fix error checking in amdgpu_read_mm_registers for soc15
  drm/amdgpu: Fix the warning info when removing amdgpu device
  drm/amdgpu: fix return value check in kfd
  drm/amd: Fix initialization mistake for NBIO 7.3.0
  drm/amdgpu: Fix call trace warning and hang when removing amdgpu device
  mailmap: add mailmap entries for Faith.
  drm/msm: DEVFREQ_GOV_SIMPLE_ONDEMAND is no longer needed
  drm/amd/display: Update clock table to include highest clock setting
  drm/amd/pm: Enable ecc_info table support for smu v13_0_10
  drm/amdgpu: Support umc node harvest config on umc v8_10
  drm/connector: print max_requested_bpc in state debugfs
  drm/display: Don't block HDR_OUTPUT_METADATA on unknown EOTF
  drm/msm/dpu: clear DSPP reservations in rm release
  drm/msm/disp/dpu: fix sc7280_pp base offset
  drm/msm/dpu: fix stack smashing in dpu_hw_ctl_setup_blendstage
  drm/msm/dpu: don't use DPU_CLK_CTRL_CURSORn for DMA SSPP clocks
  drm/msm/dpu: fix clocks settings for msm8998 SSPP blocks
  ...
2023-03-10 08:57:46 -08:00
Linus Torvalds
388a810192 Changes since last update:
- Fix LZMA decompression failure on HIGHMEM platforms;
 
  - Revert an inproper fix since it is actually an implementation
    issue of vmalloc();
 
  - Avoid a wrong DBG_BUGON since it could be triggered with -EINTR;
 
  - Minor cleanups.
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Merge tag 'erofs-for-6.3-rc2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs

Pull erofs fixes from Gao Xiang:
 "The most important one reverts an improper fix which can cause an
  unexpected warning more often on specific images, and another one
  fixes LZMA decompression on 32-bit platforms. The others are minor
  fixes and cleanups.

   - Fix LZMA decompression failure on HIGHMEM platforms

   - Revert an inproper fix since it is actually an implementation issue
     of vmalloc()

   - Avoid a wrong DBG_BUGON since it could be triggered with -EINTR

   - Minor cleanups"

* tag 'erofs-for-6.3-rc2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs:
  erofs: use wrapper i_blocksize() in erofs_file_read_iter()
  erofs: get rid of a useless DBG_BUGON
  erofs: Revert "erofs: fix kvcalloc() misuse with __GFP_NOFAIL"
  erofs: fix wrong kunmap when using LZMA on HIGHMEM platforms
  erofs: mark z_erofs_lzma_init/erofs_pcpubuf_init w/ __init
2023-03-10 08:51:57 -08:00
Linus Torvalds
92cadfcffa nfsd-6.3 fixes:
- Protect NFSD writes against filesystem freezing
 - Fix a potential memory leak during server shutdown
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Merge tag 'nfsd-6.3-2' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux

Pull nfsd fixes from Chuck Lever:

 - Protect NFSD writes against filesystem freezing

 - Fix a potential memory leak during server shutdown

* tag 'nfsd-6.3-2' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux:
  SUNRPC: Fix a server shutdown leak
  NFSD: Protect against filesystem freezing
2023-03-10 08:45:30 -08:00
Linus Torvalds
ae195ca1a8 for-6.3-rc1-tag
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Merge tag 'for-6.3-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux

Pull btrfs fixes from David Sterba:
 "First batch of fixes. Among them there are two updates to sysfs and
  ioctl which are not strictly fixes but are used for testing so there's
  no reason to delay them.

   - fix block group item corruption after inserting new block group

   - fix extent map logging bit not cleared for split maps after
     dropping range

   - fix calculation of unusable block group space reporting bogus
     values due to 32/64b division

   - fix unnecessary increment of read error stat on write error

   - improve error handling in inode update

   - export per-device fsid in DEV_INFO ioctl to distinguish seeding
     devices, needed for testing

   - allocator size classes:
      - fix potential dead lock in size class loading logic
      - print sysfs stats for the allocation classes"

* tag 'for-6.3-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
  btrfs: fix block group item corruption after inserting new block group
  btrfs: fix extent map logging bit not cleared for split maps after dropping range
  btrfs: fix percent calculation for bg reclaim message
  btrfs: fix unnecessary increment of read error stat on write error
  btrfs: handle btrfs_del_item errors in __btrfs_update_delayed_inode
  btrfs: ioctl: return device fsid from DEV_INFO ioctl
  btrfs: fix potential dead lock in size class loading logic
  btrfs: sysfs: add size class stats
2023-03-10 08:39:13 -08:00
Andrii Nakryiko
4b5ce570db bpf: ensure state checkpointing at iter_next() call sites
State equivalence check and checkpointing performed in is_state_visited()
employs certain heuristics to try to save memory by avoiding state checkpoints
if not enough jumps and instructions happened since last checkpoint. This leads
to unpredictability of whether a particular instruction will be checkpointed
and how regularly. While normally this is not causing much problems (except
inconveniences for predictable verifier tests, which we overcome with
BPF_F_TEST_STATE_FREQ flag), turns out it's not the case for open-coded
iterators.

Checking and saving state checkpoints at iter_next() call is crucial for fast
convergence of open-coded iterator loop logic, so we need to force it. If we
don't do that, is_state_visited() might skip saving a checkpoint, causing
unnecessarily long sequence of not checkpointed instructions and jumps, leading
to exhaustion of jump history buffer, and potentially other undesired outcomes.
It is expected that with correct open-coded iterators convergence will happen
quickly, so we don't run a risk of exhausting memory.

This patch adds, in addition to prune and jump instruction marks, also a
"forced checkpoint" mark, and makes sure that any iter_next() call instruction
is marked as such.

Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/r/20230310060149.625887-1-andrii@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2023-03-10 08:31:42 -08:00
Linus Torvalds
f331c5de79 io_uring-6.3-2023-03-09
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Merge tag 'io_uring-6.3-2023-03-09' of git://git.kernel.dk/linux

Pull io_uring fixes from Jens Axboe:

 - Stop setting PF_NO_SETAFFINITY on io-wq workers.

   This has been reported in the past as it confuses some applications,
   as some of their threads will fail with -1/EINVAL if attempted
   affinitized. Most recent report was on cpusets, where enabling that
   with io-wq workers active will fail.

   Just deal with the mask changing by checking when a worker times out,
   and then exit if we have no work pending.

 - Fix an issue with passthrough support where we don't properly check
   if the file type has pollable uring_cmd support.

 - Fix a reported W=1 warning on a variable being set and unused. Add a
   special helper for iterating these lists that doesn't save the
   previous list element, if that iterator never ends up using it.

* tag 'io_uring-6.3-2023-03-09' of git://git.kernel.dk/linux:
  io_uring: silence variable ‘prev’ set but not used warning
  io_uring/uring_cmd: ensure that device supports IOPOLL
  io_uring/io-wq: stop setting PF_NO_SETAFFINITY on io-wq workers
2023-03-10 08:31:29 -08:00
Linus Torvalds
49be4fb281 perf tools fixes for v6.3:
- Add Adrian Hunter to MAINTAINERS as a perf tools reviewer.
 
 - Sync various tools/ copies of kernel headers with the kernel sources, this
   time trying to avoid first merging with upstream to then update but instead
   copy from upstream so that a merge is avoided and the end result after merging
   this pull request is the one expected, tools/perf/check-headers.sh (mostly)
   happy, less warnings while building tools/perf/.
 
 - Fix counting when initial delay configured by setting
   perf_attr.enable_on_exec when starting workloads from the perf command line.
 
 - Don't avoid emitting a PERF_RECORD_MMAP2 in 'perf inject --buildid-all' when
   that record comes with a build-id, otherwise we end up not being able to
   resolve symbols.
 
 - Don't use comma as the CSV output separator the "stat+csv_output" test, as
   comma can appear on some tests as a modifier for an event, use @ instead,
   ditto for the JSON linter test.
 
 - The offcpu test was looking for some bits being set on
   task_struct->prev_state without masking other bits not important for this
   specific 'perf test', fix it.
 
 Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-tools-fixes-for-v6.3-1-2023-03-09' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux

Pull perf tools fixes from Arnaldo Carvalho de Melo:

 - Add Adrian Hunter to MAINTAINERS as a perf tools reviewer

 - Sync various tools/ copies of kernel headers with the kernel sources,
   this time trying to avoid first merging with upstream to then update
   but instead copy from upstream so that a merge is avoided and the end
   result after merging this pull request is the one expected,
   tools/perf/check-headers.sh (mostly) happy, less warnings while
   building tools/perf/

 - Fix counting when initial delay configured by setting
   perf_attr.enable_on_exec when starting workloads from the perf
   command line

 - Don't avoid emitting a PERF_RECORD_MMAP2 in 'perf inject
   --buildid-all' when that record comes with a build-id, otherwise we
   end up not being able to resolve symbols

 - Don't use comma as the CSV output separator the "stat+csv_output"
   test, as comma can appear on some tests as a modifier for an event,
   use @ instead, ditto for the JSON linter test

 - The offcpu test was looking for some bits being set on
   task_struct->prev_state without masking other bits not important for
   this specific 'perf test', fix it

* tag 'perf-tools-fixes-for-v6.3-1-2023-03-09' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux:
  perf tools: Add Adrian Hunter to MAINTAINERS as a reviewer
  tools headers UAPI: Sync linux/perf_event.h with the kernel sources
  tools headers x86 cpufeatures: Sync with the kernel sources
  tools include UAPI: Sync linux/vhost.h with the kernel sources
  tools arch x86: Sync the msr-index.h copy with the kernel sources
  tools headers kvm: Sync uapi/{asm/linux} kvm.h headers with the kernel sources
  tools include UAPI: Synchronize linux/fcntl.h with the kernel sources
  tools headers: Synchronize {linux,vdso}/bits.h with the kernel sources
  tools headers UAPI: Sync linux/prctl.h with the kernel sources
  tools headers: Update the copy of x86's mem{cpy,set}_64.S used in 'perf bench'
  perf stat: Fix counting when initial delay configured
  tools headers svm: Sync svm headers with the kernel sources
  perf test: Avoid counting commas in json linter
  perf tests stat+csv_output: Switch CSV separator to @
  perf inject: Fix --buildid-all not to eat up MMAP2
  tools arch x86: Sync the msr-index.h copy with the kernel sources
  perf test: Fix offcpu test prev_state check
2023-03-10 08:18:46 -08:00
Imre Deak
673515ba02 drm/i915/opregion: Register display debugfs later, after initialization steps
Move the display debugfs registration later, after initializing steps
for opregion/acpi/audio. These latter ones don't depend on the debugfs
entries, OTOH some debugfs entries may depend on the initialized state.

Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230308162503.3219200-3-imre.deak@intel.com
2023-03-10 18:17:09 +02:00
Imre Deak
3e226e4a21 drm/i915/opregion: Cleanup opregion after errors during driver loading
Clean up the opregion state if something fails after
intel_opregion_setup() is called.

Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230308162503.3219200-2-imre.deak@intel.com
2023-03-10 18:17:07 +02:00
Imre Deak
c4a1e57b35 drm/i915/opregion: Fix opregion setup during system resume on platforms without display
Atm, during system resume, the driver updates the display connector
information required by the opregion video extensions during system
resume, on platforms both with and without display being present. On
!HAS_DISPLAY platforms this will result in the crash with the stack
trace below, since the driver's connector state is not initialized on
those.

Bspec doesn't specify when each of the opregion functionality is
supported (depending on the presence of display), however we can presume
that none of the video extensions, nor the ACPI _DSM functions are
supported on !HAS_DISPLAY platforms; accordingly skip the corresponding
opregion/ACPI setup on those (also matching the Windows driver in this).

Keep sending the opregion notification about suspending/resuming the
whole adapter (vs. the display only which is a separate power state
notification) on all platforms, similarly to runtime suspend/resume.

This fixes the following:
Oops: 0000 [#1] PREEMPT SMP NOPTI
CPU: 4 PID: 1443 Comm: kworker/u40:55 Tainted: G U 6.2.0-rc8+ #58
Hardware name: LENOVO 82VB/LNVNB161216, BIOS KMCN09WW 04/26/2022
Workqueue: events_unbound async_run_entry_fn
RIP: 0010:drm_connector_list_iter_next+0x4f/0xb0

Call Trace:
 <TASK>
 intel_acpi_device_id_update+0x80/0x160 [i915]
 intel_opregion_resume+0x2f/0x1e0 [i915]
 ? dg2_init_clock_gating+0x49/0xf0 [i915]
 i915_drm_resume+0x137/0x190 [i915]
 ? __pfx_pci_pm_resume+0x10/0x10
 dpm_run_callback+0x47/0x150

Cc: iczero <iczero@hellomouse.net>
Reported-and-tested-by: iczero <iczero@hellomouse.net>
References: https://gitlab.freedesktop.org/drm/intel/-/issues/8015
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230308162503.3219200-1-imre.deak@intel.com
2023-03-10 18:17:07 +02:00
Alexei Starovoitov
1456ddcce5 Merge branch 'selftests/bpf: make BPF_CFLAGS stricter with -Wall'
Andrii Nakryiko says:

====================

Make BPF-side compiler flags stricter by adding -Wall. Fix tons of small
issues pointed out by compiler immediately after that. That includes newly
added bpf_for(), bpf_for_each(), and bpf_repeat() macros.
====================

Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2023-03-10 08:14:08 -08:00
Andrii Nakryiko
3d5a55ddc2 selftests/bpf: make BPF compiler flags stricter
We recently added -Wuninitialized, but it's not enough to catch various
silly mistakes or omissions. Let's go all the way to -Wall, just like we
do for user-space code.

Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/r/20230309054015.4068562-5-andrii@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2023-03-10 08:14:08 -08:00
Andrii Nakryiko
c8ed668593 selftests/bpf: fix lots of silly mistakes pointed out by compiler
Once we enable -Wall for BPF sources, compiler will complain about lots
of unused variables, variables that are set but never read, etc.

Fix all these issues first before enabling -Wall in Makefile.

Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/r/20230309054015.4068562-4-andrii@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2023-03-10 08:14:08 -08:00
Andrii Nakryiko
713461b895 selftests/bpf: add __sink() macro to fake variable consumption
Add __sink(expr) macro that forces compiler to believe that passed in
expression is both read and written. It used a simple embedded asm for
this. This is useful in a lot of tests where we assign value to some variable
to trigger some action, but later don't read variable, causing compiler
to complain (if corresponding compiler warnings are turned on, which
we'll do in the next patch).

Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/r/20230309054015.4068562-3-andrii@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2023-03-10 08:14:07 -08:00
Andrii Nakryiko
2498e6231b selftests/bpf: prevent unused variable warning in bpf_for()
Add __attribute__((unused)) to inner __p variable inside bpf_for(),
bpf_for_each(), and bpf_repeat() macros to avoid compiler warnings about
unused variable.

Reported-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/r/20230309054015.4068562-2-andrii@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2023-03-10 08:14:07 -08:00
Wolfram Sang
47ea7ff19f pinctrl: renesas: Remove R-Car H3 ES1.* handling
R-Car H3 ES1.* was only available to an internal development group and
needed a lot of quirks and workarounds.  These become a maintenance
burden now, so our development group decided to remove upstream support
and disable booting for this SoC.  Public users only have ES2 onwards.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230307105645.5285-2-wsa+renesas@sang-engineering.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2023-03-10 17:12:40 +01:00
Geert Uytterhoeven
9da805344d pinctrl: renesas: r8a779g0: Fix ERROROUTC function names
According to R-Car V4H Series User’s Manual: Hardware Rev. 0.54, the
ERROROUTC signal is active-low.  Hence add the missing "_N" suffix to
the pin function's names.

Resize column 2 of all IPxSR* definitions to accomodate the longer
names.

Fixes: b811062e5f ("pinctrl: renesas: r8a779g0: Add missing ERROROUTC_A")
Fixes: ad9bb2fec6 ("pinctrl: renesas: Initial R8A779G0 (R-Car V4H) PFC support")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/1774303989e7d61f08fa81f1c2fa1b394505645f.1669036423.git.geert+renesas@glider.be
2023-03-10 17:12:40 +01:00
Geert Uytterhoeven
203734a041 pinctrl: renesas: r8a779g0: Fix Group 6/7 pin functions
According to R-Car V4H Series User’s Manual: Hardware Rev. 0.54, pin
groups 6 and 7 do not use Module Select Registers to configure pin
functions.

Hence:
  - Remove the non-existent Module Select Registers (MODSEL[67]),
  - Correct the affected PINMUX definitions.

Fixes: 36611d28f5 ("pinctrl: renesas: r8a779g0: Add missing MODSELx for AVBx")
Fixes: ad9bb2fec6 ("pinctrl: renesas: Initial R8A779G0 (R-Car V4H) PFC support")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/06972cafd0efa4cfb395cfa76000a1bdae5e9e73.1669036423.git.geert+renesas@glider.be
2023-03-10 17:12:37 +01:00
Geert Uytterhoeven
0a7a5226e7 pinctrl: renesas: r8a779g0: Fix Group 4/5 pin functions
According to R-Car V4H Series User’s Manual: Hardware Rev. 0.54, pin
groups 4 and 5 do not use Module Select Registers to configure pin
functions, but use Peripheral Function Select Registers instead.

Hence:
  - Remove the non-existent Module Select Registers (MODSEL[45]),
  - Add the missing Peripheral Function Select Registers (IPxSR[45]),
  - Correct the GPIO / Peripheral Function Select Register definitions
    (GPSR]45_*),
  - Correct the affected PINMUX definitions.

Fixes: 36611d28f5 ("pinctrl: renesas: r8a779g0: Add missing MODSELx for AVBx")
Fixes: 36fb7b8af5 ("pinctrl: renesas: r8a779g0: Add missing MODSELx for TSN0")
Fixes: ad9bb2fec6 ("pinctrl: renesas: Initial R8A779G0 (R-Car V4H) PFC support")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/3d3833d1738f5e8fcc4c1002aa93832464d129a0.1669036423.git.geert+renesas@glider.be
2023-03-10 17:12:18 +01:00
Ralph Siemsen
1ef48138f9 clk: renesas: r9a06g032: Improve clock tables
Each entry in the clock table specifies a number of individual bits in
registers, for contolling clock reset, gaiting, etc. These reg/bit were
packed into a u16 to save space. The combined value is difficult to
understand when reviewing the clock table entries.

Introduce a "struct regbit" which still occupies only 16 bits, but
allows the register and bit values to be specified explicitly. Convert
all previous uses of u16 for reg/bit into "struct regbit".

The bulk of this patch converts the clock table to use struct regbit,
making use of the RB() helper macro. The conversion was automated by
script, and as a further verification, the compiled binary of the table
was compared before/after the change (with objdump -D).

The clk_rdesc_set() function now checks for zero reg/bit internally.
This allows callers of that function to remove those checks.

Signed-off-by: Ralph Siemsen <ralph.siemsen@linaro.org>
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230301215520.828455-5-ralph.siemsen@linaro.org
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2023-03-10 17:09:00 +01:00
Ralph Siemsen
5a5ca2c758 clk: renesas: r9a06g032: Document structs
Add some kerneldoc comments for the structures.

Signed-off-by: Ralph Siemsen <ralph.siemsen@linaro.org>
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230301215520.828455-4-ralph.siemsen@linaro.org
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2023-03-10 17:08:23 +01:00
Ralph Siemsen
2689c12331 clk: renesas: r9a06g032: Drop unused fields
Drop three unused fields from the clock descriptor structure, and update
the macros for filling such structures accordingly.

The values for such fields are kept in the source code, now unused, in
case they are needed later.

Signed-off-by: Ralph Siemsen <ralph.siemsen@linaro.org>
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230301215520.828455-3-ralph.siemsen@linaro.org
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2023-03-10 17:08:16 +01:00
Ralph Siemsen
a1aae0a6b1 clk: renesas: r9a06g032: Improve readability
Several small readability improvements:
- Move enum gate_type definition up and add comments to each field.
- Use this enum instead of generic uint32_t type in clock desc struct.
- Tidy up bitfield syntax and comments in clock desc structure
- Reformat macros for building clock desc to have one assignment per line

There is no functional change.

Signed-off-by: Ralph Siemsen <ralph.siemsen@linaro.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230301215520.828455-2-ralph.siemsen@linaro.org
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2023-03-10 17:07:53 +01:00
Geert Uytterhoeven
85af88b8f7 clk: renesas: r8a77980: Add Z2 clock
Add support for the Z2 (Cortex-A53 System CPU) clock on R-Car V3H, which
uses a fixed SYS-CPU divider.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/aad9eaa57acf65cbe43e4d374066a72d760d54d8.1676560357.git.geert+renesas@glider.be
2023-03-10 17:07:08 +01:00
Geert Uytterhoeven
88ddf98aa5 clk: renesas: r8a77970: Add Z2 clock
Add support for the Z2 (Cortex-A53 System CPU) clock on R-Car V3M, which
uses a fixed SYS-CPU divider.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/6a9169e5bc92c2b9549292769a0814e04b9147cf.1676560357.git.geert+renesas@glider.be
2023-03-10 17:07:07 +01:00
Wolfram Sang
d35ad1030a dt-bindings: soc: renesas: Remove R-Car H3 ES1.*
R-Car H3 ES1.* was only available to an internal development group and
needed a lot of quirks and workarounds.  These become a maintenance
burden now, so our development group decided to remove upstream support
and disable booting for this SoC.  Public users only have ES2 onwards.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230307105645.5285-4-wsa+renesas@sang-engineering.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2023-03-10 17:05:22 +01:00
Wolfram Sang
27159fb3e0 arm64: dts: renesas: Remove R-Car H3 ES1.* devicetrees
R-Car H3 ES1.* was only available to an internal development group and
needed a lot of quirks and workarounds.  These become a maintenance
burden now, so our development group decided to remove upstream support
and disable booting for this SoC.  Public users only have ES2 onwards.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230307105645.5285-3-wsa+renesas@sang-engineering.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2023-03-10 17:01:04 +01:00
Kuninori Morimoto
e0d1619f12 arm64: dts: renesas: white-hawk: Add R-Car Sound support
Add R-Car Sound support for the White Hawk board with the
ARD-AUDIO-DA7212 external audio board, using a DT overlay.

Signed-off-by: Linh Phung <linh.phung.jy@renesas.com>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/87o7p5l9t7.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2023-03-10 17:01:04 +01:00
Kuninori Morimoto
6cf8e3d73e arm64: dts: renesas: r8a779g0: R-Car Sound support
Add sound support for R-Car V4H.

Signed-off-by: Linh Phung <linh.phung.jy@renesas.com>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/87pm9ll9ue.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2023-03-10 17:01:03 +01:00
Lad Prabhakar
2a5c989139 arm64: dts: renesas: r9a07g043: Update IRQ numbers for SSI channels
From R01UH0968EJ0100 Rev.1.00 HW manual the interrupt numbers for SSI
channels have been updated,

SPI 329 - SSIF0 is now marked as reserved
SPI 333 - SSIF1 is now marked as reserved
SPI 335 - SSIF2 is now marked as reserved
SPI 336 - SSIF2 is now marked as reserved
SPI 341 - SSIF3 is now marked as reserved

This patch drops the above IRQs from SoC DTSI.

Fixes: 559f2b0708 ("arm64: dts: renesas: r9a07g043: Add SSI{1,2,3} nodes and fillup the SSI0 stub node")
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230217185225.43310-5-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2023-03-10 17:00:43 +01:00
Lad Prabhakar
c2b0dc0e83 arm64: dts: renesas: r9a07g054: Update IRQ numbers for SSI channels
From R01UH0936EJ0120 Rev.1.20 HW manual the interrupt numbers for SSI
channels have been updated,

SPI 329 - SSIF0 is now marked as reserved
SPI 333 - SSIF1 is now marked as reserved
SPI 335 - SSIF2 is now marked as reserved
SPI 336 - SSIF2 is now marked as reserved
SPI 341 - SSIF3 is now marked as reserved

This patch drops the above IRQs from SoC DTSI.

Fixes: cd0339ec25 ("arm64: dts: renesas: r9a07g054: Add SSI{1,2,3} nodes and fillup the SSI0 stub node")
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230217185225.43310-4-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2023-03-10 17:00:43 +01:00
Lad Prabhakar
5da750ddd9 arm64: dts: renesas: r9a07g044: Update IRQ numbers for SSI channels
From R01UH0914EJ0120 Rev.1.20 HW manual the interrupt numbers for SSI
channels have been updated,

SPI 329 - SSIF0 is now marked as reserved
SPI 333 - SSIF1 is now marked as reserved
SPI 335 - SSIF2 is now marked as reserved
SPI 336 - SSIF2 is now marked as reserved
SPI 341 - SSIF3 is now marked as reserved

This patch drops the above IRQs from SoC DTSI.

Fixes: 92a341315a ("arm64: dts: renesas: r9a07g044: Add SSI support")
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230217185225.43310-4-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2023-03-10 17:00:43 +01:00
Geert Uytterhoeven
554edc3e92 arm64: dts: renesas: r8a774c0: Remove bogus voltages from OPP table
According to the RZ/G Series, 2nd Generation Hardware User’s Manual
Rev. 1.11, the System CPU cores on RZ/G2E do not have their own power
supply, but use the common internal power supply (typical 1.03V).

Hence remove the "opp-microvolt" properties from the Operating
Performance Points table.  They are optional, and unused, when none of
the CPU nodes is tied to a regulator using the "cpu-supply" property.

Fixes: 231d8908a6 ("arm64: dts: renesas: r8a774c0: Add OPPs table for cpu devices")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/8348e18a011ded94e35919cd8e17c0be1f9acf2f.1676560856.git.geert+renesas@glider.be
2023-03-10 17:00:42 +01:00
Geert Uytterhoeven
fb76b0fae3 arm64: dts: renesas: r8a77990: Remove bogus voltages from OPP table
According to the R-Car Series, 3rd Generation Hardware User’s Manual
Rev. 2.30, the System CPU cores on R-Car E3 do not have their own power
supply, but use the common internal power supply (typical 1.03V).

Hence remove the "opp-microvolt" properties from the Operating
Performance Points table.  They are optional, and unused, when none of
the CPU nodes is tied to a regulator using the "cpu-supply" property.

Fixes: dd7188eb4e ("arm64: dts: renesas: r8a77990: Add OPPs table for cpu devices")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/9232578d9d395d529f64db3333a371e31327f459.1676560856.git.geert+renesas@glider.be
2023-03-10 17:00:42 +01:00
Lad Prabhakar
28924444f2 arm64: dts: renesas: r9a07g054: Add Cortex-A55 PMU node
Enable the performance monitor unit for the Cortex-A55 cores on the
RZ/V2L (r9a07g054) SoC.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230206001300.28937-1-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2023-03-10 17:00:42 +01:00
Andy Shevchenko
0c14f3aa38 gpio: sim: Deactivate device in reversed order
Run the steps to deactivate device in the reserved order to what
it has been done in gpio_sim_device_activate_unlocked().

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
2023-03-10 16:54:01 +01:00
Geert Uytterhoeven
93582bdfd0 arm64: defconfig: Enable RZ/V2M xHCI and USB3.1 DRD controller support
Increase build and test coverage by enabling RZ/V2M xHCI and USB3.1 DRD
controller support.

Note that the latter cannot be modular, as USB_XHCI_RCAR is builtin.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/ff10d09c1a00f7024679a249e696e8c8a52d671e.1678286291.git.geert+renesas@glider.be
2023-03-10 16:41:43 +01:00
Geert Uytterhoeven
0a06ad2056 ARM: multi_v7_defconfig: Enable additional support for RZ/N1 platforms
Increase build and test coverage by enabling support for the A5PSW
Ethernet switch, pin, watchdog, USB Function, RTC, and DMA mux
controllers on the Renesas RZ/N1 SoC and the RZN1D-DB development board.

All drivers for the above are modular, except for the pin control
driver.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/a163e8a9c4ae9cb10b05409f2fc139d09fe440b9.1678286291.git.geert+renesas@glider.be
2023-03-10 16:41:43 +01:00
Geert Uytterhoeven
64ddc2c9c0 ARM: shmobile: defconfig: Refresh for v6.3-rc1
Refresh the defconfig for Renesas ARM systems:
  - Disable CONFIG_SERIAL_8250_PCI1XXXX (No Microchip 8250 based serial
    ports),
  - Enable RZ/N1 USB Function controller support.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/b4bac37273be5287b0198abe0aafd16f08ed330d.1678286291.git.geert+renesas@glider.be
2023-03-10 16:41:43 +01:00
Wolfram Sang
d3b4fe74b9 arm64: defconfig: Disable R-Car H3 ES1.*
R-Car H3 ES1.* was only available to an internal development group and
needed a lot of quirks and workarounds.  These become a maintenance
burden now, so our development group decided to remove upstream support
and disable booting for this SoC.  Public users only have ES2 onwards.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230307105645.5285-6-wsa+renesas@sang-engineering.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2023-03-10 16:41:39 +01:00
Kuninori Morimoto
29dfd412ec arm64: defconfig: Enable DA7213 Codec
Enable the DA7213 Codec for ARD-AUDIO-DA7212 support on R-Car V4H White
Hawk.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/87mt4pl9sz.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2023-03-10 16:40:06 +01:00
Geert Uytterhoeven
b39d242dbf soc: renesas: rmobile-sysc: Use of_fwnode_handle() helper
Use the existing of_fwnode_handle() helper instead of open-coding the
same operation.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Saravana Kannan <saravanak@google.com>
Link: https://lore.kernel.org/r/d49b9fb20d68709b12692558aca91997e6b06fb4.1678272276.git.geert+renesas@glider.be
2023-03-10 16:31:14 +01:00
Wolfram Sang
18ecaaea21 soc: renesas: Remove r8a77950 arch
R-Car H3 ES1.* was only available to an internal development group and
needed a lot of quirks and workarounds.  These become a maintenance
burden now, so our development group decided to remove upstream support
and disable booting for this SoC.  Public users only have ES2 onwards.

Remove the architecture which describes H3 ES1.*.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230307105645.5285-6-wsa+renesas@sang-engineering.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2023-03-10 16:31:11 +01:00