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CPU scheduler marks need_resched flag to signal a schedule() on a
particular CPU. But, schedule() may not happen immediately in cases
where the current task is executing in the kernel mode (no
preemption state) for extended periods of time.
This patch adds a warn_on if need_resched is pending for more than the
time specified in sysctl resched_latency_warn_ms. If it goes off, it is
likely that there is a missing cond_resched() somewhere. Monitoring is
done via the tick and the accuracy is hence limited to jiffy scale. This
also means that we won't trigger the warning if the tick is disabled.
This feature (LATENCY_WARN) is default disabled.
Signed-off-by: Paul Turner <pjt@google.com>
Signed-off-by: Josh Don <joshdon@google.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20210416212936.390566-1-joshdon@google.com
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There may be a kernel panic on the Haswell server and the Broadwell
server, if the snbep_pci2phy_map_init() return error.
The uncore_extra_pci_dev[HSWEP_PCI_PCU_3] is used in the cpu_init() to
detect the existence of the SBOX, which is a MSR type of PMON unit.
The uncore_extra_pci_dev is allocated in the uncore_pci_init(). If the
snbep_pci2phy_map_init() returns error, perf doesn't initialize the
PCI type of the PMON units, so the uncore_extra_pci_dev will not be
allocated. But perf may continue initializing the MSR type of PMON
units. A null dereference kernel panic will be triggered.
The sockets in a Haswell server or a Broadwell server are identical.
Only need to detect the existence of the SBOX once.
Current perf probes all available PCU devices and stores them into the
uncore_extra_pci_dev. It's unnecessary.
Use the pci_get_device() to replace the uncore_extra_pci_dev. Only
detect the existence of the SBOX on the first available PCU device once.
Factor out hswep_has_limit_sbox(), since the Haswell server and the
Broadwell server uses the same way to detect the existence of the SBOX.
Add some macros to replace the magic number.
Fixes: 5306c31c5733 ("perf/x86/uncore/hsw-ep: Handle systems with only two SBOXes")
Reported-by: Steve Wahl <steve.wahl@hpe.com>
Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Tested-by: Steve Wahl <steve.wahl@hpe.com>
Link: https://lkml.kernel.org/r/1618521764-100923-1-git-send-email-kan.liang@linux.intel.com
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Fix up a static compiler warning:
"fs/nfs/nfs4proc.c:3882 _nfs4_server_capabilities() warn: was expecting
a 64 bit value instead of '(1 << 11)'"
The fix is to convert the fattr_valid field to match the type of the
'valid' field in struct nfs_fattr.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
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from arch/mips/kernel/head.S we know that use a0~a3 for fw_arg0~fw_arg3
there is some code from head.S:
LONG_S a0, fw_arg0 # firmware arguments
LONG_S a1, fw_arg1
LONG_S a2, fw_arg2
LONG_S a3, fw_arg3
Signed-off-by: xiaochuan mao <maoxiaochuan@loongson.cn>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
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We already check the high part of the divident against zero to avoid the
costly DIVU instruction in that case, needed to reduce the high part of
the divident, so we may well check against the divisor instead and set
the high part of the quotient to zero right away. We need to treat the
high part the divident in that case though as the remainder that would
be calculated by the DIVU instruction we avoided.
This has passed correctness verification with test_div64 and reduced the
module's average execution time down to 1.0445s and 0.2619s from 1.0668s
and 0.2629s respectively for an R3400 CPU @40MHz and a 5Kc CPU @160MHz.
Signed-off-by: Maciej W. Rozycki <macro@orcam.me.uk>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
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Our current MIPS platform `__div64_32' handler is inactive, because it
is incorrectly only enabled for 64-bit configurations, for which generic
`do_div' code does not call it anyway.
The handler is not suitable for being called from there though as it
only calculates 32 bits of the quotient under the assumption the 64-bit
divident has been suitably reduced. Code for such reduction used to be
there, however it has been incorrectly removed with commit c21004cd5b4c
("MIPS: Rewrite <asm/div64.h> to work with gcc 4.4.0."), which should
have only updated an obsoleted constraint for an inline asm involving
$hi and $lo register outputs, while possibly wiring the original MIPS
variant of the `do_div' macro as `__div64_32' handler for the generic
`do_div' implementation
Correct the handler as follows then:
- Revert most of the commit referred, however retaining the current
formatting, except for the final two instructions of the inline asm
sequence, which the original commit missed. Omit the original 64-bit
parts though.
- Rename the original `do_div' macro to `__div64_32'. Use the combined
`x' constraint referring to the MD accumulator as a whole, replacing
the original individual `h' and `l' constraints used for $hi and $lo
registers respectively, of which `h' has been obsoleted with GCC 4.4.
Update surrounding code accordingly.
We have since removed support for GCC versions before 4.9, so no need
for a special arrangement here; GCC has supported the `x' constraint
since forever anyway, or at least going back to 1991.
- Rename the `__base' local variable in `__div64_32' to `__radix' to
avoid a conflict with a local variable in `do_div'.
- Actually enable this code for 32-bit rather than 64-bit configurations
by qualifying it with BITS_PER_LONG being 32 instead of 64. Include
<asm/bitsperlong.h> for this macro rather than <linux/types.h> as we
don't need anything else.
- Finally include <asm-generic/div64.h> last rather than first.
This has passed correctness verification with test_div64 and reduced the
module's average execution time down to 1.0668s and 0.2629s from 2.1529s
and 0.5647s respectively for an R3400 CPU @40MHz and a 5Kc CPU @160MHz.
For a reference 64-bit `do_div' code where we have the DDIVU instruction
available to do the whole calculation right away averages at 0.0660s for
the latter CPU.
Fixes: c21004cd5b4c ("MIPS: Rewrite <asm/div64.h> to work with gcc 4.4.0.")
Reported-by: Huacai Chen <chenhuacai@kernel.org>
Signed-off-by: Maciej W. Rozycki <macro@orcam.me.uk>
Cc: stable@vger.kernel.org # v2.6.30+
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
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Correct inline documentation for `do_div', which is a function-like
macro the `n' parameter of which has the semantics of a C++ reference:
it is both read and written in the context of the caller without an
explicit dereference such as with a pointer.
In the C programming language it has no equivalent for proper functions,
in terms of which the documentation expresses the semantics of `do_div',
but substituting a pointer in documentation is misleading, and using the
C++ notation should at least raise the reader's attention and encourage
to seek explanation even if the C++ semantics is not readily understood.
While at it observe that "semantics" is an uncountable noun, so refer to
it with a singular rather than plural verb.
Signed-off-by: Maciej W. Rozycki <macro@orcam.me.uk>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
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Implement a module for correctness and performance evaluation for the
`do_div' function, often handled in an optimised manner by platform
code. Use a somewhat randomly generated set of inputs that is supposed
to be representative, using the same set of divisors twice, expressed as
a constant and as a variable each, so as to verify the implementation
for both cases should they be handled by different code execution paths.
Reference results were produced with GNU bc.
At the conclusion output the total execution time elapsed.
Signed-off-by: Maciej W. Rozycki <macro@orcam.me.uk>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
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This patch replaces the "open-coded" -pg compile flag with a CC_FLAGS_FTRACE
makefile variable which architectures can override if a different option
should be used for code generation.
Signed-off-by: zhaoxiao <zhaoxiao@uniontech.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
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This mostly reverts commit 99bca615d895 ("MIPS: pci-legacy: use generic
pci_enable_resources"). Fixes regressions such as:
ata_piix 0000:00:0a.1: can't enable device: BAR 0 [io 0x01f0-0x01f7] not
claimed
ata_piix: probe of 0000:00:0a.1 failed with error -22
The only changes from the strict revert are to fix checkpatch errors:
ERROR: spaces required around that '=' (ctx:VxV)
#33: FILE: arch/mips/pci/pci-legacy.c:252:
+ for (idx=0; idx < PCI_NUM_RESOURCES; idx++) {
^
ERROR: do not use assignment in if condition
#67: FILE: arch/mips/pci/pci-legacy.c:284:
+ if ((err = pcibios_enable_resources(dev, mask)) < 0)
Reported-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
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The function ti_bandgap_restore_ctxt() restores the context at resume
time. It checks if the sensor has a counter, reads the register but
does nothing with the value.
The block was probably omitted by the commit b87ea759a4cc.
Remove the unused variable as well as the block using it as we can
consider it as dead code.
Reported-by: Hulk Robot <hulkci@huawei.com>
Fixes: b87ea759a4cc ("staging: omap-thermal: fix context restore function")
Signed-off-by: Lin Ruizhe <linruizhe@huawei.com>
Reviewed-by: Tony Lindgren <tony@atomide.com>
Tested-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20210421084256.57591-1-linruizhe@huawei.com
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Current ebpf disassembly buffer size of 64 is too small. E.g. this line
takes 65 bytes:
01fffff8005822e: ec8100ed8065\tclgrj\t%r8,%r1,8,001fffff80058408\n\0
Double the buffer size like it is done for the kernel disassembly buffer.
Fixes the following KASAN finding:
UG: KASAN: stack-out-of-bounds in print_fn_code+0x34c/0x380
Write of size 1 at addr 001fff800ad5f970 by task test_progs/853
CPU: 53 PID: 853 Comm: test_progs Not tainted
5.12.0-rc7-23786-g23457d86b1f0-dirty #19
Hardware name: IBM 3906 M04 704 (LPAR)
Call Trace:
[<0000000cd8e0538a>] show_stack+0x17a/0x1668
[<0000000cd8e2a5d8>] dump_stack+0x140/0x1b8
[<0000000cd8e16e74>] print_address_description.constprop.0+0x54/0x260
[<0000000cd75a8698>] kasan_report+0xc8/0x130
[<0000000cd6e26da4>] print_fn_code+0x34c/0x380
[<0000000cd6ea0f4e>] bpf_int_jit_compile+0xe3e/0xe58
[<0000000cd72c4c88>] bpf_prog_select_runtime+0x5b8/0x9c0
[<0000000cd72d1bf8>] bpf_prog_load+0xa78/0x19c0
[<0000000cd72d7ad6>] __do_sys_bpf.part.0+0x18e/0x768
[<0000000cd6e0f392>] do_syscall+0x12a/0x220
[<0000000cd8e333f8>] __do_syscall+0x98/0xc8
[<0000000cd8e54834>] system_call+0x6c/0x94
1 lock held by test_progs/853:
#0: 0000000cd9bf7460 (report_lock){....}-{2:2}, at:
kasan_report+0x96/0x130
addr 001fff800ad5f970 is located in stack of task test_progs/853 at
offset 96 in frame:
print_fn_code+0x0/0x380
this frame has 1 object:
[32, 96) 'buffer'
Memory state around the buggy address:
001fff800ad5f800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
001fff800ad5f880: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>001fff800ad5f900: 00 00 f1 f1 f1 f1 00 00 00 00 00 00 00 00 f3 f3
^
001fff800ad5f980: f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 00 00
001fff800ad5fa00: 00 00 00 00 00 00 00 f1 f1 f1 f1 00 00 00 00 00
Cc: <stable@vger.kernel.org>
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
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A review of the code showed, that this function which is exposed
within the whole kernel should do a parameter check for the
amount of bytes requested. If this requested bytes is too high
an unsigned int overflow could happen causing this function to
try to memcpy a really big memory chunk.
This is not a security issue as there are only two invocations
of this function from arch/s390/include/asm/archrandom.h and both
are not exposed to userland.
Reported-by: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Harald Freudenberger <freude@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
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Tests with kvm and a kmemdebug kernel showed, that on hot unplug the
zcard and zqueue structs for the unplugged card or queue are not
properly freed because of a mismatch with get/put for the embedded
kref counter.
This fix now adjusts the handling of the kref counters. With init the
kref counter starts with 1. This initial value needs to drop to zero
with the unregister of the card or queue to trigger the release and
free the object.
Fixes: 29c2680fd2bf ("s390/ap: fix ap devices reference counting")
Reported-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Signed-off-by: Harald Freudenberger <freude@linux.ibm.com>
Cc: stable@vger.kernel.org
Reviewed-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
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Fix the following sparse warning:
drivers/net/wireless/mediatek/mt76/mt7921/mac.c:1425:70:
warning: Using plain integer as NULL pointer
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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into drm-intel-next-fixes
gvt-next-fixes-2021-04-21
- Remove one unused function warning (Jiapeng)
- Fix intel_gvt_init_device() return type (Dan)
- Remove one duplicated register accessible check (Zhenyu)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
From: Zhenyu Wang <zhenyuw@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210421094522.GU1551@zhen-hp.sh.intel.com
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Since driver no longer handler per-rate tx power setting, we need to
read the power values directly from registers.
Tested-by: Evelyn Tsai <evelyn.tsai@mediatek.com>
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Clean up the flow of per-rate txpower limit setting to get rid of
duplicate work since it has already been handled by firmware, and set
proper max_power based on different channels and regdomains.
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Enable to limit per-rate max txpower from DT.
Tested-by: Evelyn Tsai <evelyn.tsai@mediatek.com>
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Scan abort should be required for the uncompleted hardware scan
interrupted by wifi reset. Otherwise, it is possible that the scan
request after wifi reset gets error code -EBUSY from mac80211 and
then blocks the reconnectting to the access point.
Fixes: 0c1ce9884607 ("mt76: mt7921: add wifi reset support")
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Looks this duplication was missed in code rebase. Remove extra check.
Cc: Yan Zhao <yan.y.zhao@intel.com>
Fixes: 02dd2b12a685 ("drm/i915/gvt: unify lri cmd handler and mmio handlers")
Reviewed-by: Colin Xu <colin.xu@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20210414084813.3763353-2-zhenyuw@linux.intel.com
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There is not a consistent pattern for checking Hyper-V hypercall status.
Existing code uses a number of variants. The variants work, but a consistent
pattern would improve the readability of the code, and be more conformant
to what the Hyper-V TLFS says about hypercall status.
Implemented new helper functions hv_result(), hv_result_success(), and
hv_repcomp(). Changed the places where hv_do_hypercall() and related variants
are used to use the helper functions.
Signed-off-by: Joseph Salisbury <joseph.salisbury@microsoft.com>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Link: https://lore.kernel.org/r/1618620183-9967-2-git-send-email-joseph.salisbury@linux.microsoft.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
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This patch makes no functional changes. It simply moves hv_do_rep_hypercall()
out of arch/x86/include/asm/mshyperv.h and into asm-generic/mshyperv.h
hv_do_rep_hypercall() is architecture independent, so it makes sense that it
should be in the architecture independent mshyperv.h, not in the x86-specific
mshyperv.h.
This is done in preperation for a follow up patch which creates a consistent
pattern for checking Hyper-V hypercall status.
Signed-off-by: Joseph Salisbury <joseph.salisbury@microsoft.com>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Link: https://lore.kernel.org/r/1618620183-9967-1-git-send-email-joseph.salisbury@linux.microsoft.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
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Introduce chip_reset knob in mt7921 debugfs to export a way to users
able to trigger wifi reset, and group the similar operations
previously defined in chip_config in the same knob.
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Wake the chip before configuring the mcu log level
Fixes: 1d8efc741df8 ("mt76: mt7921: introduce Runtime PM support")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Dump mcu command code in hex and related prefix to help debugging
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Get rid of init work since firmware loading is already performed in
mt7921_init_hardware
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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When the EEPROM data is read from flash, it can contain pre-calibration
data, which can save calibration time.
Note that group_cal can save 30% bootup calibration time, and dpd_cal can
save 75% channel switching time.
Tested-by: Bo Jiao <bo.jiao@mediatek.com>
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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For MT7663, the availability of the patch files is used to detect, which
corresponding firmware is going to be used (AP firmware or STA offload
firmware). If the ROM patch was already applied, it could attempt to
load the wrong firmware (without considering the alternative).
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Fixes hardware wakeup issues
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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MT7663 uses different bits for communicating reset commands/status between MCU
and host. Also add an extra initial reset command.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Dump the tx power table saved in offload firmware.
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Introduce support for rate-txpower compensation for mt7663/mt7921 chipsets.
Rate-txpower limit is specified through dts
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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mt7663 mcu relies on different APIs to configure APIs per-rate power limit
respect to mt7615 driver.
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Limits are used to update the channel max_power settings and also passed
to the firmware on channel changes
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Enable parsing per-rate txpower limits from DT for 11ax chipsets.
Co-developed-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Tested-by: Evelyn Tsai <evelyn.tsai@mediatek.com>
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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This subnode can be used to set per-rate tx power limits either per
country code / regdomain or globally.
These limits are typically provided by the device manufacturers and are
used to limit sideband emissions and stay within regulatory limits
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Introduce power-limits node in mt76 binding in order to specify
per-rate power limit values for each 802.11n/802.11ac rate
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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After DMA reset, tx status information for queued frames will never arrive.
Flush the queue to free skbs immediately instead of waiting for a timeout
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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In order to avoid memory leaks, clean the dma engine unloading the
module
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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We should use ieee80211_free_txskb() to report skb status avoid wrong
aql accounting after reset.
Cc: stable@vger.kernel.org
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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In mt7615_mac_reset_work(), make sure freeing skbs after mt7615_dma_reset().
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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In mt7915_mac_reset_work(), make sure freeing skbs after mt7915_dma_reset().
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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mt7915_tx_token_put() should get call before mt76_free_pending_txwi().
Fixes: f285dfb98562 ("mt76: mt7915: reset token when mac_reset happens")
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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mt7615_tx_token_put() should get call before mt76_free_pending_txwi().
Fixes: a6275e934605 ("mt76: mt7615: reset token when mac_reset happens")
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Fix ofdm rate index and ldpc setting in rate setting field of tx
descriptor.
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Rework mt7915_tm_set_tx_len() with mt76_testmode_alloc_skb() to support
larger packet based on a longer tx_time.
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Add support to send larger packet in testmode to meet requirements
of some test cases.
The limit of max packet size is determined based on tx rate mode setting.
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Once beacon content is changed, we update the content to wifi card by
send_beacon_frame(). Then, STA with PS can wake up properly to receive its
packets.
Since we update beacon content to PCI wifi devices every beacon interval,
the only one usb device, 8192CU, needs to update beacon content when
mac80211 calling set_tim.
Reported-by: Maciej S. Szmigiero <mail@maciej.szmigiero.name>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Tested-by: Maciej S. Szmigiero <mail@maciej.szmigiero.name>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210419065956.6085-1-pkshih@realtek.com
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struct lbtf_private is declared twice. One has been declared
at 157th line. Remove the duplicate.
Signed-off-by: Wan Jiabing <wanjiabing@vivo.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210331023557.2804128-4-wanjiabing@vivo.com
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