Add module attribute to the test attribute API. This attribute stores the
module name associated with the test using KBUILD_MODNAME.
The name of a test suite and the module name often do not match. A
reference to the module name associated with the suite could be extremely
helpful in running tests as modules without needing to check the codebase.
This attribute will be printed for each suite.
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: Rae Moar <rmoar@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Add speed attribute to the test attribute API. This attribute will allow
users to mark tests with a category of speed.
Currently the categories of speed proposed are: normal, slow, and very_slow
(outlined in enum kunit_speed). These are outlined in the enum kunit_speed.
The assumed default speed for tests is "normal". This indicates that the
test takes a relatively trivial amount of time (less than 1 second),
regardless of the machine it is running on. Any test slower than this could
be marked as "slow" or "very_slow".
Add the macro KUNIT_CASE_SLOW to set a test as slow, as this is likely a
common use of the attributes API.
Add an example of marking a slow test to kunit-example-test.c.
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: Rae Moar <rmoar@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Add the basic structure of the test attribute API to KUnit, which can be
used to save and access test associated data.
Add attributes.c and attributes.h to hold associated structs and functions
for the API.
Create a struct that holds a variety of associated helper functions for
each test attribute. These helper functions will be used to get the
attribute value, convert the value to a string, and filter based on the
value. This struct is flexible by design to allow for attributes of
numerous types and contexts.
Add a method to print test attributes in the format of "# [<test_name if
not suite>.]<attribute_name>: <attribute_value>".
Example for a suite: "# speed: slow"
Example for a test case: "# test_case.speed: very_slow"
Use this method to report attributes in the KTAP output (KTAP spec:
https://docs.kernel.org/dev-tools/ktap.html) and _list_tests output when
kernel's new kunit.action=list_attr option is used. Note this is derivative
of the kunit.action=list option.
In test.h, add fields and associated helper functions to test cases and
suites to hold user-inputted test attributes.
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: Rae Moar <rmoar@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Add new struct members and auxiliary_device_id of resets to support
System-Top-Group, Image-Signal-Process and Video-Output on the StarFive
JH7110 SoC.
Acked-by: Palmer Dabbelt <palmer@rivosinc.com>
Reviewed-by: Emil Renner Berthing <emil.renner.berthing@canonical.com>
Reviewed-by: Hal Feng <hal.feng@starfivetech.com>
Signed-off-by: Xingyu Wu <xingyu.wu@starfivetech.com>
Link: https://lore.kernel.org/r/20230724055440.100947-1-xingyu.wu@starfivetech.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Misc. small fixes and hw-id additions.
The following is an automated git shortlog grouped by driver:
asus-wmi:
- Fix setting RGB mode on some TUF laptops
huawei-wmi:
- Silence ambient light sensor
intel:
- hid: Always call BTNL ACPI method
msi-laptop:
- Fix rfkill out-of-sync on MSI Wind U100
platform/x86/amd:
- pmc: Use release_mem_region() to undo request_mem_region_muxed()
platform/x86/amd/pmf:
- Notify OS power slider update
- reduce verbosity of apmf_get_system_params
platform/x86/intel/hid:
- Add HP Dragonfly G2 to VGBS DMI quirks
serial-multi-instantiate:
- Auto detect IRQ resource for CSC3551
think-lmi:
- Use kfree_sensitive instead of kfree
touchscreen_dmi.c:
- small changes for Archos 101 Cesium Educ tablet
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Merge tag 'platform-drivers-x86-v6.5-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver fixes from Hans de Goede:
"Misc small fixes and hw-id additions"
* tag 'platform-drivers-x86-v6.5-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
platform/x86: huawei-wmi: Silence ambient light sensor
platform/x86: msi-laptop: Fix rfkill out-of-sync on MSI Wind U100
platform/x86: asus-wmi: Fix setting RGB mode on some TUF laptops
platform/x86: think-lmi: Use kfree_sensitive instead of kfree
platform/x86/intel/hid: Add HP Dragonfly G2 to VGBS DMI quirks
platform/x86: intel: hid: Always call BTNL ACPI method
platform/x86/amd/pmf: Notify OS power slider update
platform/x86/amd/pmf: reduce verbosity of apmf_get_system_params
platform/x86: serial-multi-instantiate: Auto detect IRQ resource for CSC3551
platform/x86/amd: pmc: Use release_mem_region() to undo request_mem_region_muxed()
platform/x86: touchscreen_dmi.c: small changes for Archos 101 Cesium Educ tablet
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Merge tag '6.5-rc3-ksmbd-server-fixes' of git://git.samba.org/ksmbd
Pull ksmbd server fixes from Steve French:
- fixes for two possible out of bounds access (in negotiate, and in
decrypt msg)
- fix unsigned compared to zero warning
- fix path lookup crossing a mountpoint
- fix case when first compound request is a tree connect
- fix memory leak if reads are compounded
* tag '6.5-rc3-ksmbd-server-fixes' of git://git.samba.org/ksmbd:
ksmbd: fix out of bounds in init_smb2_rsp_hdr()
ksmbd: no response from compound read
ksmbd: validate session id and tree id in compound request
ksmbd: fix out of bounds in smb3_decrypt_req()
ksmbd: check if a mount point is crossed during path lookup
ksmbd: Fix unsigned expression compared with zero
There is a sparse warning shown as below:
samples/hw_breakpoint/data_breakpoint.c:24:19: warning:
symbol 'sample_hbp' was not declared. Should it be static?
Since 'sample_hbp' is only called within data_breakpoint.c,
mark it as static to fix the warning.
Fixes: 44ee63587d ("percpu: Add __percpu sparse annotations to hw_breakpoint")
Signed-off-by: Chen Jiahao <chenjiahao16@huawei.com>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
Running sparse on fsl_qmc_audio (make C=1) raises the following warnings:
fsl_qmc_audio.c:387:26: warning: restricted snd_pcm_format_t degrades to integer
fsl_qmc_audio.c:389:59: warning: incorrect type in argument 1 (different base types)
fsl_qmc_audio.c:389:59: expected restricted snd_pcm_format_t [usertype] format
fsl_qmc_audio.c:389:59: got unsigned int [assigned] i
fsl_qmc_audio.c:564:26: warning: restricted snd_pcm_format_t degrades to integer
fsl_qmc_audio.c:569:50: warning: incorrect type in argument 1 (different base types)
fsl_qmc_audio.c:569:50: expected restricted snd_pcm_format_t [usertype] format
fsl_qmc_audio.c:569:50: got int [assigned] i
fsl_qmc_audio.c:573:62: warning: incorrect type in argument 1 (different base types)
fsl_qmc_audio.c:573:62: expected restricted snd_pcm_format_t [usertype] format
fsl_qmc_audio.c:573:62: got int [assigned] i
These warnings are due to snd_pcm_format_t values handling done in the
driver. Some macros and functions exist to handle safely these values.
Use dedicated macros and functions to remove these warnings.
Fixes: 075c7125b1 ("ASoC: fsl: Add support for QMC audio")
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Link: https://lore.kernel.org/r/20230726161620.495298-1-herve.codina@bootlin.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Maintenance patch for native DSD support.
Remove incorrect T+A device quirks. Move set of device quirks to vendor
quirks. Add set of missing device and vendor quirks.
Signed-off-by: Jussi Laako <jussi@sonarnerd.net>
Link: https://lore.kernel.org/r/20230726165645.404311-1-jussi@sonarnerd.net
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Commit eda0047296 ("mm: make the page fault mmap locking killable")
intentionally made it much easier to trigger the "page fault fails
because a fatal signal is pending" situation, by having the mmap locking
fail early in that case.
We have long aborted page faults in other fatal cases when the actual IO
for a page is interrupted by SIGKILL - which is particularly useful for
the traditional case of NFS hanging due to network issues, but local
filesystems could cause it too if you happened to get the SIGKILL while
waiting for a page to be faulted in (eg lock_folio_maybe_drop_mmap()).
So aborting the page fault wasn't a new condition - but it now triggers
earlier, before we even get to 'handle_mm_fault()'. And as a result the
error doesn't go through our 'fault_signal_pending()' logic, and doesn't
get filtered away there.
Normally you'd never even notice, because if a fatal signal is pending,
the new SIGSEGV we send ends up being ignored anyway.
But it turns out that there is one very noticeable exception: if you
enable 'show_unhandled_signals', the aborted page fault will be logged
in the kernel messages, and you'll get a scary line looking something
like this in your logs:
pverados[2183248]: segfault at 55e5a00f9ae0 ip 000055e5a00f9ae0 sp 00007ffc0720bea8 error 14 in perl[55e5a00d4000+195000] likely on CPU 10 (core 4, socket 0)
which is rather misleading. It's not really a segfault at all, it's
just "the thread was killed before the page fault completed, so we
aborted the page fault".
Fix this by just making it clear that a pending fatal signal means that
any new signal coming in after that is implicitly handled. This will
avoid the misleading logging, since now the signal isn't 'unhandled' any
more.
Reported-and-tested-by: Fiona Ebner <f.ebner@proxmox.com>
Tested-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
Link: https://lore.kernel.org/lkml/8d063a26-43f5-0bb7-3203-c6a04dc159f8@proxmox.com/
Acked-by: Oleg Nesterov <oleg@redhat.com>
Fixes: eda0047296 ("mm: make the page fault mmap locking killable")
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
A fence id of zero is expected to be invalid, and is not removed from
the fence_idr table. If userspace is requesting to specify the fence
id with the FENCE_SN_IN flag, we need to reject a zero fence id value.
Fixes: 17154addc5 ("drm/msm: Add MSM_SUBMIT_FENCE_SN_IN")
Signed-off-by: Rob Clark <robdclark@chromium.org>
Patchwork: https://patchwork.freedesktop.org/patch/549180/
As part of fixing the allocation of the buffer for SVE state when changing
SME vector length we introduced an immediate reallocation of the SVE state,
this is also done when changing the SVE vector length for consistency.
Unfortunately this reallocation is done prior to writing the new vector
length to the task struct, meaning the allocation is done with the old
vector length and can lead to memory corruption due to an undersized buffer
being used.
Move the update of the vector length before the allocation to ensure that
the new vector length is taken into account.
For some reason this isn't triggering any problems when running tests on
the arm64 fixes branch (even after repeated tries) but is triggering
issues very often after merge into mainline.
Fixes: d4d5be94a8 ("arm64/fpsimd: Ensure SME storage is allocated after SVE VL changes")
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20230726-arm64-fix-sme-fix-v1-1-7752ec58af27@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
We recently changed the fpsimd thread flush to flush the physical SME
state as well as the thread state for the current thread. Unfortunately
this leads to intermittent corruption in interaction with the lazy
FPSIMD register switching. When under heavy load such as can be
triggered by the startup phase of fp-stress it is possible that the
current thread may not be scheduled prior to returning to userspace, and
indeed we may end up returning to the last thread that was scheduled on
the PE without ever exiting the kernel to any other task. If that
happens then we will not reload the register state from memory, leading
to loss of any SME register state.
Since this was purely an attempt to defensively close off potential
problems revert the change.
Fixes: af3215fd02 ("arm64/fpsimd: Exit streaming mode when flushing tasks")
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20230724-arm64-dont-flush-smstate-v1-1-9a8b637ace6c@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
The kvm_host_psci_cpu_entry() function was renamed in order to add a wrapper around
it, but the prototype did not change, so now the missing-prototype warning came
back in W=1 builds:
arch/arm64/kvm/hyp/nvhe/psci-relay.c:203:28: error: no previous prototype for function '__kvm_host_psci_cpu_entry' [-Werror,-Wmissing-prototypes]
asmlinkage void __noreturn __kvm_host_psci_cpu_entry(bool is_cpu_on)
Fixes: dcf89d1111 ("KVM: arm64: Add missing BTI instructions")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20230724121850.1386668-1-arnd@kernel.org
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Ensure that SME traps are disabled for (h)VHE when getting the
reset value for the architectural feature control register.
Fixes: 75c76ab5a6 ("KVM: arm64: Rework CPTR_EL2 programming for HVHE configuration")
Signed-off-by: Fuad Tabba <tabba@google.com>
Reviewed-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20230724123829.2929609-9-tabba@google.com
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Ensure that SVE traps are disabled for hVHE, if the FPSIMD state
isn't owned by the guest, when getting the reset value for the
architectural feature control register.
Fixes: 75c76ab5a6 ("KVM: arm64: Rework CPTR_EL2 programming for HVHE configuration")
Signed-off-by: Fuad Tabba <tabba@google.com>
Reviewed-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20230724123829.2929609-8-tabba@google.com
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Instead of writing directly to cptr_el2, use the helper that
selects which feature trap register to write to based on the KVM
mode.
Fixes: 75c76ab5a6 ("KVM: arm64: Rework CPTR_EL2 programming for HVHE configuration")
Signed-off-by: Fuad Tabba <tabba@google.com>
Reviewed-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20230724123829.2929609-7-tabba@google.com
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Factor out the code that decides whether to write to the feature
trap registers, CPTR_EL2 or CPACR_EL1, based on the KVM mode,
i.e., (h)VHE or nVHE.
This function will be used in the subsequent patch.
No functional change intended.
Signed-off-by: Fuad Tabba <tabba@google.com>
Reviewed-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20230724123829.2929609-6-tabba@google.com
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Ensure that SME traps are disabled for (h)VHE when setting up
EL2, as they are for nVHE.
Signed-off-by: Fuad Tabba <tabba@google.com>
Reviewed-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20230724123829.2929609-5-tabba@google.com
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Use the architectural feature trap/control register that
corresponds to the current KVM mode, i.e., CPTR_EL2 or CPACR_EL1,
when setting up SVE feature traps.
Signed-off-by: Fuad Tabba <tabba@google.com>
Reviewed-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20230724123829.2929609-4-tabba@google.com
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
The code for checking whether the kernel is in (h)VHE mode is
repeated, and will be needed again in future patches. Factor it
out in a macro.
No functional change intended.
No change in emitted assembly code intended.
Signed-off-by: Fuad Tabba <tabba@google.com>
Link: https://lore.kernel.org/kvmarm/20230724123829.2929609-3-tabba@google.com/
Reviewed-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
The kernel test robot looks for new warnings in a W=1 build, so fix all
the existing warnings to make it easier to spot new ones when building
locally.
The fixes are for undocumented function arguments and an incorrect doc
style.
Signed-off-by: James Clark <james.clark@arm.com>
Reviewed-by: Mike Leach <mike.leach@linaro.org>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/20230725140604.1350406-1-james.clark@arm.com
There is logic to avoid printing the regrouping warning for wild card
PMUs, this logic also needs to apply for wild card events.
Before:
```
$ perf stat -e '{data_read,data_write}' -a sleep 1
WARNING: events were regrouped to match PMUs
Performance counter stats for 'system wide':
2,979.16 MiB data_read
410.26 MiB data_write
1.001541923 seconds time elapsed
```
After:
```
$ perf stat -e '{data_read,data_write}' -a sleep 1
Performance counter stats for 'system wide':
2,975.94 MiB data_read
432.05 MiB data_write
1.001119499 seconds time elapsed
```
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Athira Rajeev <atrajeev@linux.vnet.ibm.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: bpf@vger.kernel.org
Link: https://lore.kernel.org/r/20230627181030.95608-6-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
The tokens PE_PREFIX_RAW and PE_PREFIX_GROUP are unused so remove them.
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Athira Rajeev <atrajeev@linux.vnet.ibm.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: bpf@vger.kernel.org
Link: https://lore.kernel.org/r/20230627181030.95608-4-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Change underscores in ROM node names to dashes, and remove deprecated
pwm-period property.
Signed-off-by: Artur Weber <aweber.kernel@gmail.com>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Add the 3.3V supplies for PCIe C1 controller and Display Port controller
for the NVIDIA IGX Orin platform.
Signed-off-by: Shubhi Garg <shgarg@nvidia.com>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
The device tree bindings for the Tegra high-speed UART require the
reset-names property, so add it whenever the compatible string for the
serial port is overwritten.
Signed-off-by: Thierry Reding <treding@nvidia.com>
The debug UART doesn't support DMA and the DT bindings prohibit the use
of the dmas and dma-names properties for it, so remove them.
Signed-off-by: Thierry Reding <treding@nvidia.com>
It turns out that these devices can get quite hot to the touch with the
standard cooling configuration, so add another trip point at 35°C along
with a cooling map to help keep the system reasonably cool at very low
system load.
Reviewed-by: Yi-Wei Wang <yiweiw@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
The PCI nodes for Jetson Orin NX are already defined at the carrier
board level, so the duplicates can be dropped at the platform level.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Add audio support for the NVIDIA IGX Orin development kit having P3701
module with P3740 carrier board.
Move the common device-tree nodes to a new file tegra234-p3701.dtsi and
use this for Jetson AGX Orin and NVIDIA IGX Orin platforms
Signed-off-by: Mohan Kumar <mkumard@nvidia.com>
[treding@nvidia.com: properly sort nodes]
Signed-off-by: Thierry Reding <treding@nvidia.com>
Add memory-region property to the tegra186-bpmp binding to support
DRAM MRQ GSCs.
Co-developed-by: Stefan Kristiansson <stefank@nvidia.com>
Signed-off-by: Stefan Kristiansson <stefank@nvidia.com>
Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Add bindings for DRAM MRQ GSC support.
Co-developed-by: Stefan Kristiansson <stefank@nvidia.com>
Signed-off-by: Stefan Kristiansson <stefank@nvidia.com>
Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Add the tdm controller node and pins configuration of tdm for the
StarFive JH7110 SoC.
Reviewed-by: Hal Feng <hal.feng@starfivetech.com>
Signed-off-by: Walker Chen <walker.chen@starfivetech.com>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Add USB and PCIe PHY dts nodes for the StarFive JH7110 SoC.
Signed-off-by: Minda Chen <minda.chen@starfivetech.com>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
This reverts commit 981be238e1d28e156aa9da2a8722f86f02fd0453 because it
was totally bogus and duplicated existing minItems:
ruamel.yaml.constructor.DuplicateKeyError: while constructing a mapping
Documentation/devicetree/bindings/power/qcom,kpss-acc-v2.yaml: ignoring, error parsing file
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20230724090109.19489-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
This reverts commit da56a1bfba.
Bjorn Andersson, Fabio Estevam, Xiaolei Wang, and Jon Hunter reported that
da56a1bfba ("PCI: dwc: Wait for link up only if link is started") broke
controller probing by returning an error in case the link does not come up
during host initialisation, for example when the slot is empty.
As explained in commit 886a9c1347 ("PCI: dwc: Move link handling into
common code") and as indicated by the comment "Ignore errors, the link may
come up later" in the code, waiting for link up and ignoring errors is the
intended behaviour:
Let's standardize this to succeed as there are usecases where devices
(and the link) appear later even without hotplug. For example, a
reconfigured FPGA device.
Reverting the offending commit specifically fixes a regression on Qualcomm
platforms like the Lenovo ThinkPad X13s which no longer reach the
interconnect sync state if a slot does not have a device populated (e.g. an
optional modem).
Note that enabling asynchronous probing by default as was done for Qualcomm
platforms by commit c0e1eb441b ("PCI: qcom: Enable async probe by
default"), should take care of any related boot time concerns.
Finally, note that the intel-gw driver is the only driver currently not
providing a .start_link() callback and instead starts the link in its
.host_init() callback, which may avoid an additional one-second timeout
during probe by making the link-up wait conditional. If anyone cares, that
can be done in a follow-up patch with a proper motivation.
[bhelgaas: add Fabio Estevam, Xiaolei Wang, Jon Hunter reports]
Fixes: da56a1bfba ("PCI: dwc: Wait for link up only if link is started")
Link: https://lore.kernel.org/r/20230706082610.26584-1-johan+linaro@kernel.org
Reported-by: Bjorn Andersson <quic_bjorande@quicinc.com>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reported-by: Fabio Estevam <festevam@gmail.com>
Link: https://lore.kernel.org/r/20230704122635.1362156-1-festevam@gmail.com/
Reported-by: Xiaolei Wang <xiaolei.wang@windriver.com>
Link: https://lore.kernel.org/r/20230705010624.3912934-1-xiaolei.wang@windriver.com/
Reported-by: Jon Hunter <jonathanh@nvidia.com>
Link: https://lore.kernel.org/r/6ca287a1-6c7c-7b90-9022-9e73fb82b564@nvidia.com
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Cc: Sajid Dalvi <sdalvi@google.com>
Cc: Ajay Agarwal <ajayagarwal@google.com>
Drop ETM4X ACPI ID from the AMBA ACPI device list, and instead just move it
inside the new ACPI devices list detected and used via platform driver.
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: Len Brown <lenb@kernel.org>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Suzuki K Poulose <suzuki.poulose@arm.com>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Sudeep Holla <sudeep.holla@arm.com>
Cc: Lorenzo Pieralisi <lpieralisi@kernel.org>
Cc: linux-acpi@vger.kernel.org
Cc: coresight@lists.linaro.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Reviewed-by: Sudeep Holla <sudeep.holla@arm.com> (for ACPI specific changes)
Acked-by: "Rafael J. Wysocki" <rafael@kernel.org>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Tested-by: Tanmay Jagdale <tanmay@marvell.com>
Link: https://lore.kernel.org/r/20230710062500.45147-7-anshuman.khandual@arm.com
Some components may not have graph connections for describing
the trace path. e.g., ETE, where it could directly use the per
CPU TRBE. Ignore the absence of graph connections
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Link: https://lore.kernel.org/r/20230710062500.45147-6-anshuman.khandual@arm.com
Add support for handling MMIO based devices via platform driver. We need to
make sure that :
1) The APB clock, if present is enabled at probe and via runtime_pm ops
2) Use the ETM4x architecture or CoreSight architecture registers to
identify a device as CoreSight ETM4x, instead of relying a white list of
"Peripheral IDs"
The driver doesn't get to handle the devices yet, until we wire the ACPI
changes to move the devices to be handled via platform driver than the
etm4_amba driver.
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Suzuki K Poulose <suzuki.poulose@arm.com>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: coresight@lists.linaro.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/20230710062500.45147-5-anshuman.khandual@arm.com
