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The existing clk documentation has a section that talks about the
clk_ignore_unused kernel parameter. Add additional documentation that
describes how to log which clocks the kernel disables on bootup. This
will log messages like the following to the console on bootup:
[ 1.268115] clk: Disabling unused clocks
[ 1.272167] clk_disable: gcc_usb_clkref_en
[ 1.276389] clk_disable: gcc_usb30_sec_sleep_clk
[ 1.281131] clk_disable: gcc_usb30_prim_sleep_clk
...
Signed-off-by: Brian Masney <bmasney@redhat.com>
Link: https://lore.kernel.org/r/20230411192153.289688-1-bmasney@redhat.com
[jc: turned parameters into a literal block]
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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There is a typo in the sentence "A kernel developer must be
conscience ...". The word conscience should be conscious.
This patch fixes it.
Signed-off-by: Lin Yu Chen <starpt.official@gmail.com>
Acked-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Link: https://lore.kernel.org/r/20230412183739.89894-1-starpt.official@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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The "Select the recipients for your patch" part about CC-ing mailing
lists is a bit vague and might be understood that only some lists should
be Cc-ed. That's not what most of the maintainers expect. For given
code, associated mailing list must always be CC-ed, because the list is
used for reviewing and testing patches. Example are the Devicetree
bindings patches, which are tested iff Devicetree mailing list is CC-ed.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230413165501.47442-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Commit c87db8ca0902 ("kmemleak-test: fix kmemleak_test.c build logic")
essentially renames the config DEBUG_KMEMLEAK_TEST to SAMPLE_KMEMLEAK, but
misses to adjust the documentation.
Adjust kmemleak documentation to this config renaming.
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Link: https://lore.kernel.org/r/20230414061241.12754-1-lukas.bulwahn@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Turns out rules about PT_INTERP, PT_GNU_STACK and PT_GNU_PROPERTY
program headers are slightly different.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Link: https://lore.kernel.org/r/88d3f1bb-f4e0-4c40-9304-3843513a1262@p183
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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ST's STiH415 and STiH416 platforms support have been removed since
a long time already. This commit updates the sti related documentation
overview to remove related entries and update the sti part to add
STiH407/STiH410 and STiH418 platforms which are still actively
supported.
Signed-off-by: Alain Volmat <avolmat@me.com>
Link: https://lore.kernel.org/r/20230416185349.18156-1-avolmat@me.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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We have long disabled the "html_use_smartypants" option to prevent Sphinx
from mangling "--" sequences (among others). Unfortunately, Sphinx changed
that option to "smartquotes" in the 1.6.6 release, and seemingly didn't see
fit to warn about the use of the obsolete option, resulting in the
aforementioned mangling returning. Disable this behavior again and hope
that the option name stays stable for a while.
Reported-by: Zipeng Zhang <zhangzipeng0@foxmail.com>
Link: https://lore.kernel.org/lkml/tencent_CB1A298D31FD221496FF657CD7EF406E6605@qq.com
Reviewed-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Eduard Zingerman says:
====================
Florian Westphal found a bug in test_loader.c processing of __retval tag.
Because of this bug the function test_loader.c:do_prog_test_run()
never executed and all __retval test tags were ignored. See [1].
Fix for this bug uncovers two additional bugs:
- During test_verifier tests migration to inline assembly (see [2])
I missed the fact that some tests require maps to contain mock values;
- Some issue with a new refcounted_kptr test, which causes kernel to
produce dead lock and refcount saturation warnings when subject to
libbpf's bpf_test_run_opts().
This series fixes the bug in __retval() processing, and address the
issue with test maps not being populated. The issue in refcounted_kptr
is not addressed, __retval tags in those tests are commented out.
I found that the following tests depend on test maps being populated:
- progs/verifier_array_access.c
- verifier/value_ptr_arith.c (planned for migration to inline assembly)
Given the small amount of these tests I decided to opt for simple
non-generic solution (see patch #4).
[1] https://lore.kernel.org/bpf/f4c4aee644425842ee6aa8edf1da68f0a8260e7c.camel@gmail.com/T/
[2] https://lore.kernel.org/bpf/20230325025524.144043-1-eddyz87@gmail.com/
====================
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Two test cases:
- "valid read map access into a read-only array 1" and
- "valid read map access into a read-only array 2"
Expect that map_array_ro map is filled with mock data. This logic was
not taken into acount during initial test conversion.
This commit modifies prog_tests/verifier.c entry point for this test
to fill the map.
Fixes: a3c830ae0209 ("selftests/bpf: verifier/array_access.c converted to inline assembly")
Signed-off-by: Eduard Zingerman <eddyz87@gmail.com>
Link: https://lore.kernel.org/r/20230420232317.2181776-5-eddyz87@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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When a test case is annotated with __retval tag the test_loader engine
would use libbpf's bpf_prog_test_run_opts() to do a test run of the
program and compare retvals.
This commit allows to perform arbitrary actions on bpf object right
before test loader invokes bpf_prog_test_run_opts(). This could be
used to setup some state for program execution, e.g. fill some maps.
Signed-off-by: Eduard Zingerman <eddyz87@gmail.com>
Link: https://lore.kernel.org/r/20230420232317.2181776-4-eddyz87@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Florian Westphal found a bug in and suggested a fix for test_loader.c
processing of __retval tag. Because of this bug the function
test_loader.c:do_prog_test_run() never executed and all __retval test
tags were ignored.
If this bug is fixed a number of test cases from
progs/verifier_array_access.c fail with retval not matching the
expected value. This test was recently converted to use test_loader.c
and inline assembly in [1]. When doing the conversion I missed the
important detail of test_verifier.c operation: when it creates
fixup_map_array_ro, fixup_map_array_wo and fixup_map_array_small it
populates these maps with a dummy record.
Disabling the __retval checks for the affected verifier_array_access
in this commit to avoid false-postivies in any potential bisects.
The issue is addressed in the next patch.
I verified that the __retval tags are now respected by changing
expected return values for all tests annotated with __retval, and
checking that these tests started to fail.
[1] https://lore.kernel.org/bpf/20230325025524.144043-1-eddyz87@gmail.com/
Fixes: 19a8e06f5f91 ("selftests/bpf: Tests execution support for test_loader.c")
Reported-by: Florian Westphal <fw@strlen.de>
Link: https://lore.kernel.org/bpf/f4c4aee644425842ee6aa8edf1da68f0a8260e7c.camel@gmail.com/T/
Signed-off-by: Eduard Zingerman <eddyz87@gmail.com>
Link: https://lore.kernel.org/r/20230420232317.2181776-3-eddyz87@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Florian Westphal found a bug in test_loader.c processing of __retval
tag. Because of this bug the function test_loader.c:do_prog_test_run()
never executed and all __retval test tags were ignored. This hid an
issue with progs/refcounted_kptr.c tests.
When __retval tag bug is fixed and refcounted_kptr.c tests are run
kernel reports various issues and eventually hangs. Shortest reproducer
is the following command run a few times:
$ for i in $(seq 1 4); do (./test_progs --allow=refcounted_kptr &); done
Commenting out __retval tags for these tests until this issue is resolved.
Reported-by: Florian Westphal <fw@strlen.de>
Link: https://lore.kernel.org/bpf/f4c4aee644425842ee6aa8edf1da68f0a8260e7c.camel@gmail.com/T/
Signed-off-by: Eduard Zingerman <eddyz87@gmail.com>
Link: https://lore.kernel.org/r/20230420232317.2181776-2-eddyz87@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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The recent support for inline annotations in control flow graphs
generated by bpftool introduced the usage of the "__fallthrough" macro
in a switch/case block in btf_dumper.c. This change went through the
bpf-next tree, but resulted in a merge conflict in linux-next, because
this macro has been renamed "fallthrough" (no underscores) in the
meantime.
To address the conflict, we temporarily switch to a simple comment
instead of a macro.
Related: commit f7a858bffcdd ("tools: Rename __fallthrough to fallthrough")
Fixes: 9fd496848b1c ("bpftool: Support inline annotations when dumping the CFG of a program")
Reported-by: Sven Schnelle <svens@linux.ibm.com>
Reported-by: Thomas Richter <tmricht@linux.ibm.com>
Suggested-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Quentin Monnet <quentin@isovalent.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/all/yt9dttxlwal7.fsf@linux.ibm.com/
Link: https://lore.kernel.org/bpf/20230412123636.2358949-1-tmricht@linux.ibm.com/
Link: https://lore.kernel.org/bpf/20230420003333.90901-1-quentin@isovalent.com
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10 ms is a lot of time to spend busy-waiting. Sleeping is clearly
allowed here, because we have just returned from ice_sq_send_cmd(),
which takes a mutex.
On kernels with HZ=100, this msleep may be twice as long, but I don't
think it matters.
I did not actually observe any retries happening here.
Signed-off-by: Michal Schmidt <mschmidt@redhat.com>
Reviewed-by: Arkadiusz Kubalewski <arkadiusz.kubalewski@intel.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Tested-by: Sunitha Mekala <sunithax.d.mekala@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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The 'buf_cpy'-related code in ice_sq_send_cmd_retry() looks broken.
'buf' is nowhere copied into 'buf_cpy'.
The reason this does not cause problems is that all commands for which
'is_cmd_for_retry' is true go with a NULL buf.
Let's remove 'buf_cpy'. Add a WARN_ON in case the assumption no longer
holds in the future.
Signed-off-by: Michal Schmidt <mschmidt@redhat.com>
Reviewed-by: Arkadiusz Kubalewski <arkadiusz.kubalewski@intel.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Tested-by: Sunitha Mekala <sunithax.d.mekala@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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The driver polls for ice_sq_done() with a 100 µs period for up to 1 s
and it uses udelay to do that.
Let's use usleep_range instead. We know sleeping is allowed here,
because we're holding a mutex (cq->sq_lock). To preserve the total
max waiting time, measure the timeout in jiffies.
ICE_CTL_Q_SQ_CMD_TIMEOUT is used also in ice_release_res(), but there
the polling period is 1 ms (i.e. 10 times longer). Since the timeout was
expressed in terms of the number of loops, the total timeout in this
function is 10 s. I do not know if this is intentional. This patch keeps
it.
The patch lowers the CPU usage of the ice-gnss-<dev_name> kernel thread
on my system from ~8 % to less than 1 %.
I received a report of high CPU usage with ptp4l where the busy-waiting
in ice_sq_send_cmd dominated the profile. This patch has been tested in
that usecase too and it made a huge improvement there.
Tested-by: Brent Rowsell <browsell@redhat.com>
Signed-off-by: Michal Schmidt <mschmidt@redhat.com>
Reviewed-by: Arkadiusz Kubalewski <arkadiusz.kubalewski@intel.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Tested-by: Sunitha Mekala <sunithax.d.mekala@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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sq_cmd_timeout is initialized to ICE_CTL_Q_SQ_CMD_TIMEOUT and never
changed, so just use the constant directly.
Suggested-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: Michal Schmidt <mschmidt@redhat.com>
Reviewed-by: Arkadiusz Kubalewski <arkadiusz.kubalewski@intel.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Tested-by: Sunitha Mekala <sunithax.d.mekala@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Double the GNSS data polling interval from 10 ms to 20 ms.
According to Karol Kolacinski from the Intel team, they have been
planning to make this change.
Signed-off-by: Michal Schmidt <mschmidt@redhat.com>
Reviewed-by: Arkadiusz Kubalewski <arkadiusz.kubalewski@intel.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Tested-by: Sunitha Mekala <sunithax.d.mekala@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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The ice-gnss-<dev_name> kernel thread, which reads data from the u-blox
GNSS module, keep a CPU core almost 100% busy. The main reason is that
it busy-waits for data to become available.
A simple improvement would be to replace the "mdelay(10);" in
ice_gnss_read() with sleeping. A better fix is to not do any waiting
directly in the function and just requeue this delayed work as needed.
The advantage is that canceling the work from ice_gnss_exit() becomes
immediate, rather than taking up to ~2.5 seconds (ICE_MAX_UBX_READ_TRIES
* 10 ms).
This lowers the CPU usage of the ice-gnss-<dev_name> thread on my system
from ~90 % to ~8 %.
I am not sure if the larger 0.1 s pause after inserting data into the
gnss subsystem is really necessary, but I'm keeping that as it was.
Of course, ideally the driver would not have to poll at all, but I don't
know if the E810 can watch for GNSS data availability over the i2c bus
by itself and notify the driver.
Signed-off-by: Michal Schmidt <mschmidt@redhat.com>
Reviewed-by: Arkadiusz Kubalewski <arkadiusz.kubalewski@intel.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Tested-by: Sunitha Mekala <sunithax.d.mekala@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Adjacent changes:
net/mptcp/protocol.h
63740448a32e ("mptcp: fix accept vs worker race")
2a6a870e44dd ("mptcp: stops worker on unaccepted sockets at listener close")
ddb1a072f858 ("mptcp: move first subflow allocation at mpc access time")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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ethtool uses `ETHTOOL_GRXRINGS` to compute how many queues are supported
by RSS. The driver should return the smaller of either:
- The maximum number of RSS queues the device supports, OR
- The number of RX queues configured
Prior to this change, running `ethtool -X $iface default` fails if the
number of queues configured is larger than the number supported by RSS,
even though changing the queue count correctly resets the flowhash to
use all supported queues.
Other drivers (for example, i40e) will succeed but the flow hash will
reset to support the maximum number of queues supported by RSS, even if
that amount is smaller than the configured amount.
Prior to this change:
$ sudo ethtool -L eth1 combined 20
$ sudo ethtool -x eth1
RX flow hash indirection table for eth1 with 20 RX ring(s):
0: 0 1 2 3 4 5 6 7
8: 8 9 10 11 12 13 14 15
16: 0 1 2 3 4 5 6 7
24: 8 9 10 11 12 13 14 15
32: 0 1 2 3 4 5 6 7
...
You can see that the flowhash was correctly set to use the maximum
number of queues supported by the driver (16).
However, asking the NIC to reset to "default" fails:
$ sudo ethtool -X eth1 default
Cannot set RX flow hash configuration: Invalid argument
After this change, the flowhash can be reset to default which will use
all of the available RSS queues (16) or the configured queue count,
whichever is smaller.
Starting with eth1 which has 10 queues and a flowhash distributing to
all 10 queues:
$ sudo ethtool -x eth1
RX flow hash indirection table for eth1 with 10 RX ring(s):
0: 0 1 2 3 4 5 6 7
8: 8 9 0 1 2 3 4 5
16: 6 7 8 9 0 1 2 3
...
Increasing the queue count to 48 resets the flowhash to distribute to 16
queues, as it did before this patch:
$ sudo ethtool -L eth1 combined 48
$ sudo ethtool -x eth1
RX flow hash indirection table for eth1 with 16 RX ring(s):
0: 0 1 2 3 4 5 6 7
8: 8 9 10 11 12 13 14 15
16: 0 1 2 3 4 5 6 7
...
Due to the other bugfix in this series, the flowhash can be set to use
queues 0-5:
$ sudo ethtool -X eth1 equal 5
$ sudo ethtool -x eth1
RX flow hash indirection table for eth1 with 16 RX ring(s):
0: 0 1 2 3 4 0 1 2
8: 3 4 0 1 2 3 4 0
16: 1 2 3 4 0 1 2 3
...
Due to this bugfix, the flowhash can be reset to default and use 16
queues:
$ sudo ethtool -X eth1 default
$ sudo ethtool -x eth1
RX flow hash indirection table for eth1 with 16 RX ring(s):
0: 0 1 2 3 4 5 6 7
8: 8 9 10 11 12 13 14 15
16: 0 1 2 3 4 5 6 7
...
Fixes: 91cd94bfe4f0 ("ixgbe: add basic support for setting and getting nfc controls")
Signed-off-by: Joe Damato <jdamato@fastly.com>
Reviewed-by: Sridhar Samudrala <sridhar.samudrala@intel.com>
Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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ixgbe currently returns `EINVAL` whenever the flowhash it set by ethtool
because the ethtool code in the kernel passes a non-zero value for hfunc
that ixgbe should allow.
When ethtool is called with `ETHTOOL_SRXFHINDIR`,
`ethtool_set_rxfh_indir` will call ixgbe's set_rxfh function
with `ETH_RSS_HASH_NO_CHANGE`. This value should be accepted.
When ethtool is called with `ETHTOOL_SRSSH`, `ethtool_set_rxfh` will
call ixgbe's set_rxfh function with `rxfh.hfunc`, which appears to be
hardcoded in ixgbe to always be `ETH_RSS_HASH_TOP`. This value should
also be accepted.
Before this patch:
$ sudo ethtool -L eth1 combined 10
$ sudo ethtool -X eth1 default
Cannot set RX flow hash configuration: Invalid argument
After this patch:
$ sudo ethtool -L eth1 combined 10
$ sudo ethtool -X eth1 default
$ sudo ethtool -x eth1
RX flow hash indirection table for eth1 with 10 RX ring(s):
0: 0 1 2 3 4 5 6 7
8: 8 9 0 1 2 3 4 5
16: 6 7 8 9 0 1 2 3
24: 4 5 6 7 8 9 0 1
...
Fixes: 1c7cf0784e4d ("ixgbe: support for ethtool set_rxfh")
Signed-off-by: Joe Damato <jdamato@fastly.com>
Reviewed-by: Sridhar Samudrala <sridhar.samudrala@intel.com>
Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Pull pci fix from Bjorn Helgaas:
- Previously we ignored PCI devices if the DT "status" property or the
ACPI _STA method said it was not present.
Per spec, _STA cannot be used for that purpose, and using it that way
caused regressions, so skip the _STA check (Rob Herring)
* tag 'pci-v6.3-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci:
PCI: Restrict device disabled status check to DT
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Currently, a limit of 0 results in a hard coded metering over 6 hours.
Since the default is a set limit, I suspect no one truly depends on this
rather arbitrary setting. Repurpose it for an arguably more useful
"unlimited" mode, where the delay is 0.
Note that if block groups are too new, or go fully empty, there is still
a delay associated with those conditions. Those delays implement
heuristics for not trimming a region we are relatively likely to fully
overwrite soon.
CC: stable@vger.kernel.org # 6.2+
Reviewed-by: Neal Gompa <neal@gompa.dev>
Signed-off-by: Boris Burkov <boris@bur.io>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Previously, the default was a relatively conservative 10. This results
in a 100ms delay, so with ~300 discards in a commit, it takes the full
30s till the next commit to finish the discards. On a workstation, this
results in the disk never going idle, wasting power/battery, etc.
Set the default to 1000, which results in using the smallest possible
delay, currently, which is 1ms. This has shown to not pathologically
keep the disk busy by the original reporter.
Link: https://lore.kernel.org/linux-btrfs/Y%2F+n1wS%2F4XAH7X1p@nz/
Link: https://bugzilla.redhat.com/show_bug.cgi?id=2182228
CC: stable@vger.kernel.org # 6.2+
Reviewed-by: Neal Gompa <neal@gompa.dev
Signed-off-by: Boris Burkov <boris@bur.io>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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ath9k_mci_update_wlan_channels()
This partially reverts commit e161d4b60ae3a5356e07202e0bfedb5fad82c6aa.
Turns out the channelmap variable is not actually read-only, it's modified
through the MCI_GPM_CLR_CHANNEL_BIT() macro further down in the function,
so making it read-only causes page faults when that code is hit.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=217183
Link: https://lore.kernel.org/r/20230413214118.153781-1-toke@toke.dk
Fixes: e161d4b60ae3 ("wifi: ath9k: Make arrays prof_prio and channelmap static const")
Cc: stable@vger.kernel.org
Signed-off-by: Toke Høiland-Jørgensen <toke@toke.dk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Cleanup bindings dropping unneeded quotes. Once all these are fixed,
checking for this can be enabled in yamllint.
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Florian Fainelli <f.fainelli@gmail.com> #brcm,iproc-rng200
Link: https://lore.kernel.org/r/20230327170153.4105594-1-robh@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
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- Use uniform language in Kconfig menu entries (Bjorn Helgaas)
- Sort controller Kconfig entries by vendor (Bjorn Helgaas)
* pci/controller/kconfig:
PCI: xilinx: Drop obsolete dependency on COMPILE_TEST
PCI: mobiveil: Sort Kconfig entries by vendor
PCI: dwc: Sort Kconfig entries by vendor
PCI: Sort controller Kconfig entries by vendor
PCI: Use consistent controller Kconfig menu entry language
PCI: xilinx-nwl: Add 'Xilinx' to Kconfig prompt
PCI: hv: Add 'Microsoft' to Kconfig prompt
PCI: meson: Add 'Amlogic' to Kconfig prompt
PCI: Use of_property_present() for testing DT property presence
PCI/PM: Extend D3hot delay for NVIDIA HDA controllers
dt-bindings: PCI: qcom: Document msi-map and msi-map-mask properties
PCI: qcom: Add SM8550 PCIe support
dt-bindings: PCI: qcom: Add SM8550 compatible
PCI: qcom: Add support for SDX55 SoC
dt-bindings: PCI: qcom-ep: Fix the unit address used in example
dt-bindings: PCI: qcom: Add SDX55 SoC
dt-bindings: PCI: qcom: Update maintainers entry
PCI: qcom: Enable async probe by default
PCI: qcom: Add support for system suspend and resume
PCI/PM: Drop pci_bridge_wait_for_secondary_bus() timeout parameter
PCI/PM: Increase wait time after resume
PCI: pciehp: Fix AB-BA deadlock between reset_lock and device_lock
PCI: Fix up L1SS capability for Intel Apollo Lake Root Port
PCI: qcom: Expose link transition counts via debugfs
dt-bindings: PCI: qcom: Add "mhi" register region to supported SoCs
PCI: qcom: Rename qcom_pcie_config_sid_sm8250() to reflect IP version
PCI: qcom: Use macros for defining total no. of clocks & supplies
PCI: qcom: Use bulk reset APIs for handling resets for IP rev 2.4.0
PCI: qcom: Use bulk reset APIs for handling resets for IP rev 2.3.3
PCI: qcom: Use bulk clock APIs for handling clocks for IP rev 2.3.3
PCI: qcom: Use bulk clock APIs for handling clocks for IP rev 2.3.2
PCI: qcom: Use bulk clock APIs for handling clocks for IP rev 1.0.0
PCI: qcom: Use bulk reset APIs for handling resets for IP rev 2.1.0
PCI: qcom: Use lower case for hex
PCI: qcom: Add missing macros for register fields
PCI: qcom: Use bitfield definitions for register fields
PCI: qcom: Sort and group registers and bitfield definitions
PCI: qcom: Remove PCIE20_ prefix from register definitions
PCI: qcom: Fix the incorrect register usage in v2.7.0 config
PCI/EDR: Add edr_handle_event() comments
PCI/EDR: Clear Device Status after EDR error recovery
efi/cper: Remove unnecessary aer.h include
dt-bindings: imx6q-pcie: Restruct i.MX PCIe schema
PCI/P2PDMA: Fix pci_p2pmem_find_many() kernel-doc
EISA: Drop unused pci_bus_for_each_resource() index argument
PCI: Make pci_bus_for_each_resource() index optional
PCI: Document pci_bus_for_each_resource()
PCI: Introduce pci_dev_for_each_resource()
PCI: Introduce pci_resource_n()
PCI: ixp4xx: Use PCI_CONF1_ADDRESS() macro
PCI: mt7621: Use dev_info() to log PCIe card detection
PCI: imx6: Install the fault handler only on compatible match
PCI: layerscape: Add EP mode support for ls1028a
PCI: rcar: Avoid defines prefixed with CONFIG
dt-bindings: PCI: convert amlogic,meson-pcie.txt to dt-schema
PCI: kirin: Select REGMAP_MMIO
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Since commit 0166dc11be91 ("of: make CONFIG_OF user selectable"), it is
possible to test-build any driver which depends on OF on any architecture
by explicitly selecting OF. Therefore depending on COMPILE_TEST as an
alternative is no longer needed.
Link: https://lore.kernel.org/r/20230407190843.529caf19@endymion.delvare
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Lorenzo Pieralisi <lpieralisi@kernel.org>
Cc: Rob Herring <robh@kernel.org>
Cc: "Krzysztof Wilczyński" <kw@linux.com>
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Sort Kconfig entries by vendor so they appear in alphabetical order in
menuconfig.
Link: https://lore.kernel.org/r/20230418174336.145585-8-helgaas@kernel.org
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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Sort Kconfig entries by vendor so they appear in alphabetical order in
menuconfig.
Link: https://lore.kernel.org/r/20230418174336.145585-7-helgaas@kernel.org
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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Sort Kconfig entries by vendor so they appear in alphabetical order in
menuconfig.
Link: https://lore.kernel.org/r/20230418174336.145585-6-helgaas@kernel.org
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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Use "PCIe controller" consistently instead of "host bridge", "bus driver",
etc. Annotate with "(host mode)" or "(endpoint mode)" as needed.
Link: https://lore.kernel.org/r/20230418174336.145585-5-helgaas@kernel.org
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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Add the "Xilinx" vendor name to the CONFIG_PCIE_XILINX_NWL Kconfig prompt
so it matches other drivers. Rename from "PCIe Core" to "PCIe controller".
Link: https://lore.kernel.org/r/20230418174336.145585-4-helgaas@kernel.org
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Michal Simek <michal.simek@amd.com>
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Add the "Microsoft" vendor name to the CONFIG_PCI_HYPERV_INTERFACE Kconfig
prompt so it matches other PCIe drivers and other Hyper-V prompts.
Link: https://lore.kernel.org/r/20230418174336.145585-3-helgaas@kernel.org
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Wei Liu <wei.liu@kernel.org>
Cc: K. Y. Srinivasan <kys@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Cc: Dexuan Cui <decui@microsoft.com>
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Add the "Amlogic" vendor name to the CONFIG_PCI_MESON Kconfig prompt to
match other PCIe drivers. Capitalize "Meson" to match other Meson Kconfig
prompts.
Link: https://lore.kernel.org/r/20230418174336.145585-2-helgaas@kernel.org
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Yue Wang <yue.wang@Amlogic.com>
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- Rename internal #defines without "CONFIG_" prefix to avoid confusion
(Lukas Bulwahn)
* pci/controller/rcar:
PCI: rcar: Avoid defines prefixed with CONFIG
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- Use correct PCIE20_PARF_AXI_MSTR_WR_ADDR_HALT_V2 register for v2.7.0
(Manivannan Sadhasivam)
- Remove "PCIE20_" prefix from register definitions (Manivannan Sadhasivam)
- Sort registers and bitfield declarations (Manivannan Sadhasivam)
- Convert to GENMASK and FIELD_PREP (Manivannan Sadhasivam)
- Use bulk APIs for clocks of IP 1.0.0, 2.3.2, 2.3.3 (Manivannan
Sadhasivam)
- Use bulk APIs for reset of IP 2.1.0, 2.3.3, 2.4.0 (Manivannan Sadhasivam)
- Rename qcom_pcie_config_sid_sm8250() to be non SM8250-specific
(Manivannan Sadhasivam)
- Add DT "mhi" register region for supported SoCs (Manivannan Sadhasivam)
- Expose link transition counts via debugfs to help debug low power issues
(Manivannan Sadhasivam)
- Support system suspend and resume; reduce interconnect bandwidth and turn
off clock and PHY if there are no active devices (Manivannan Sadhasivam)
- Enable async probe by default to reduce boot time (Manivannan Sadhasivam)
- Add Manivannan Sadhasivam as qcom DT binding maintainer, replacing
Stanimir Varbanov (Manivannan Sadhasivam)
- Add DT binding and driver support for Qcom SDX55 SoC (Manivannan
Sadhasivam)
- Add DT binding and driver support for SM8550 SoC (Abel Vesa)
- Document msi-map and msi-map-mask DT properties (Manivannan Sadhasivam)
* pci/controller/qcom:
dt-bindings: PCI: qcom: Document msi-map and msi-map-mask properties
PCI: qcom: Add SM8550 PCIe support
dt-bindings: PCI: qcom: Add SM8550 compatible
PCI: qcom: Add support for SDX55 SoC
dt-bindings: PCI: qcom-ep: Fix the unit address used in example
dt-bindings: PCI: qcom: Add SDX55 SoC
dt-bindings: PCI: qcom: Update maintainers entry
PCI: qcom: Enable async probe by default
PCI: qcom: Add support for system suspend and resume
PCI: qcom: Expose link transition counts via debugfs
dt-bindings: PCI: qcom: Add "mhi" register region to supported SoCs
PCI: qcom: Rename qcom_pcie_config_sid_sm8250() to reflect IP version
PCI: qcom: Use macros for defining total no. of clocks & supplies
PCI: qcom: Use bulk reset APIs for handling resets for IP rev 2.4.0
PCI: qcom: Use bulk reset APIs for handling resets for IP rev 2.3.3
PCI: qcom: Use bulk clock APIs for handling clocks for IP rev 2.3.3
PCI: qcom: Use bulk clock APIs for handling clocks for IP rev 2.3.2
PCI: qcom: Use bulk clock APIs for handling clocks for IP rev 1.0.0
PCI: qcom: Use bulk reset APIs for handling resets for IP rev 2.1.0
PCI: qcom: Use lower case for hex
PCI: qcom: Add missing macros for register fields
PCI: qcom: Use bitfield definitions for register fields
PCI: qcom: Sort and group registers and bitfield definitions
PCI: qcom: Remove PCIE20_ prefix from register definitions
PCI: qcom: Fix the incorrect register usage in v2.7.0 config
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- Log empty slots with dev_info(), not dev_err() (Sergio Paracuellos)
* pci/controller/mt7621:
PCI: mt7621: Use dev_info() to log PCIe card detection
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- Add ls1028a endpoint mode support (Xiaowei Bao)
* pci/controller/layerscape:
PCI: layerscape: Add EP mode support for ls1028a
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- Select CONFIG_REGMAP_MMIO so kirin driver links correctly (Josh Triplett)
* pci/controller/kirin:
PCI: kirin: Select REGMAP_MMIO
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- Use the PCI_CONF1_ADDRESS() macro to simplify config space address
computation (Pali Rohár)
* pci/controller/ixp4xx:
PCI: ixp4xx: Use PCI_CONF1_ADDRESS() macro
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- Install i.MX6 PCI abort handler only when DT contains a PCI controller
claimed by the imx6 driver (H. Nikolaus Schaller)
* pci/controller/dwc:
PCI: imx6: Install the fault handler only on compatible match
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- Convert Amlogic Meson AXG DWC PCIe SoC controller bindings to dt-schema
(Neil Armstrong)
- Restructure i.MX schema to extract common properties to be shared by Root
Complex and Endpoint schema (Richard Zhu)
* pci/controller/dt:
dt-bindings: imx6q-pcie: Restruct i.MX PCIe schema
dt-bindings: PCI: convert amlogic,meson-pcie.txt to dt-schema
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- Add pci_dev_for_each_resource() and pci_bus_for_each_resource() iterators
to simplify loops (Andy Shevchenko)
* pci/resource:
EISA: Drop unused pci_bus_for_each_resource() index argument
PCI: Make pci_bus_for_each_resource() index optional
PCI: Document pci_bus_for_each_resource()
PCI: Introduce pci_dev_for_each_resource()
PCI: Introduce pci_resource_n()
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- Wait longer for devices to become ready after resume (as we do for reset)
to accommodate Intel Titan Ridge xHCI devices (Mika Westerberg)
- Drop pci_bridge_wait_for_secondary_bus() timeout parameter since all
callers pass the same value (Mika Westerberg)
- Extend D3hot delay for NVIDIA HDA controllers to avoid unrecoverable
devices after a bus reset (Alex Williamson)
* pci/reset:
PCI/PM: Extend D3hot delay for NVIDIA HDA controllers
PCI/PM: Drop pci_bridge_wait_for_secondary_bus() timeout parameter
PCI/PM: Increase wait time after resume
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- Fix pci_p2pmem_find_many() kernel-doc (Cai Huoqing)
* pci/p2pdma:
PCI/P2PDMA: Fix pci_p2pmem_find_many() kernel-doc
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- Fix pciehp AB-BA deadlock between reset_lock and device_lock (Lukas
Wunner)
* pci/hotplug:
PCI: pciehp: Fix AB-BA deadlock between reset_lock and device_lock
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- Use of_property_present(), instead of lower-level functions like
of_get_property(), for testing DT property presence (Rob Herring)
* pci/enumeration:
PCI: Use of_property_present() for testing DT property presence
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- Work around Chromebook firmware issue that corrupts Extended Capability
list (including L1 PM Substates capability) on D3cold -> D0 transitions
(Ron Lee)
* pci/aspm:
PCI: Fix up L1SS capability for Intel Apollo Lake Root Port
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