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Fix a typo "cortex"
Signed-off-by: Ken Kurematsu <k.kurematsu@nskint.co.jp>
Link: https://lore.kernel.org/r/OSBPR01MB3288B15006E15C64D4D617F7DBEF9@OSBPR01MB3288.jpnprd01.prod.outlook.com
Signed-off-by: Will Deacon <will@kernel.org>
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Will and Anders reported that using just 'CC=clang' with CONFIG_FTRACE=y
and CONFIG_STACK_TRACER=y would result in an error while linking:
aarch64-linux-gnu-ld: .init.data has both ordered [`__patchable_function_entries' in init/main.o] and unordered [`.meminit.data' in mm/sparse.o] sections
aarch64-linux-gnu-ld: final link failed: bad value
This error was exposed by commit f12b034afeb3 ("scripts/Makefile.clang:
default to LLVM_IAS=1") in combination with binutils older than 2.36.
When '-fpatchable-function-entry' was implemented in LLVM, two code
paths were added for adding the section attributes, one for the
integrated assembler and another for GNU as, due to binutils
deficiencies at the time. If the integrated assembler was used,
attributes that GNU ld < 2.36 could not handle were added, presumably
with the assumption that use of the integrated assembler meant the whole
LLVM stack was being used, namely ld.lld.
Prior to the kernel change previously mentioned, that assumption was
valid, as there were three commonly used combinations of tools for
compiling, assembling, and linking respectively:
$ make CC=clang (clang, GNU as, GNU ld)
$ make LLVM=1 (clang, GNU as, ld.lld)
$ make LLVM=1 LLVM_IAS=1 (clang, integrated assembler, ld.lld)
After the default switch of the integrated assembler, the second and
third commands become equivalent and the first command means "clang,
integrated assembler, and GNU ld", which was not a combination that was
considered when the aforementioned LLVM change was implemented.
It is not possible to go back and fix LLVM, as this change was
implemented in the 10.x series, which is no longer supported. To
workaround this on the kernel side, split out the selection of
HAVE_DYNAMIC_FTRACE_WITH_REGS to two separate configurations, one for
GCC and one for clang.
The GCC config inherits the '-fpatchable-function-entry' check. The
Clang config does not it, as '-fpatchable-function-entry' is always
available for LLVM 11.0.0 and newer, which is the supported range of
versions for the kernel.
The Clang config makes sure that the user is using GNU as or the
integrated assembler with ld.lld or GNU ld 2.36 or newer, which will
avoid the error above.
Link: https://github.com/ClangBuiltLinux/linux/issues/1507
Link: https://github.com/ClangBuiltLinux/linux/issues/788
Link: https://lore.kernel.org/YlCA5PoIjF6nhwYj@dev-arch.thelio-3990X/
Link: https://sourceware.org/bugzilla/show_bug.cgi?id=26256
Link: https://github.com/llvm/llvm-project/commit/7fa5290d5bd5632d7a36a4ea9f46e81e04fb819e
Link: https://github.com/llvm/llvm-project/commit/853a2649160c1c80b9bbd38a20b53ca8fab704e8
Reported-by: Anders Roxell <anders.roxell@linaro.org>
Reported-by: Will Deacon <will@kernel.org>
Tested-by: Will Deacon <will@kernel.org>
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Link: https://lore.kernel.org/r/20220413181420.3522187-1-nathan@kernel.org
Signed-off-by: Will Deacon <will@kernel.org>
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The pinout of the OMAP35 and DM37 variants of the SOM-LV are the
same, but the macros which define the pinmuxing are different
between OMAP3530 and DM3730. The pinmuxing was correct for
for the DM3730, but wrong for the OMAP3530. Since the boot loader
was correctly pin-muxing the pins, this was not obvious. As the
bootloader not guaranteed to pinmux all the pins any more, this
causes an issue, so the pinmux needs to be moved from a common
file to their respective board files.
Fixes: f8a2e3ff7103 ("ARM: dts: Add minimal support for LogicPD OMAP35xx SOM-LV devkit")
Signed-off-by: Adam Ford <aford173@gmail.com>
Message-Id: <20220303171818.11060-1-aford173@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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The bootloader for the AM3517 has previously done much of the pin
muxing, but as the bootloader is moving more and more to a model
based on the device tree, it may no longer automatically mux the
pins, so it is necessary to add the pinmuxing to the Linux device
trees so the respective peripherals can remain functional.
Fixes: 6ed1d7997561 ("ARM: dts: am3517-evm: Add support for UI board and Audio")
Signed-off-by: Adam Ford <aford173@gmail.com>
Message-Id: <20220226214820.747847-1-aford173@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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When adding support for TI magadc (Magnetic Stripe Reader and ADC), the
MFD driver common to the touchscreen and the ADC got updated to ease the
insertion of a new DT node for the ADC, with its own compatible, clocks,
etc. Commit 235a96e92c16 ("mfd: ti_am335x_tscadc: Don't search the tree
for our clock") removed one compatible specific information which was
the clock name, because the clock was looked up from scratch in the DT
while this hardware block was only fed by a single clock, already
defined and properly filled in the DT.
Problem is, this change was only validated with an am437x-based board,
where the clocks are effectively correctly defined and referenced. But
on am33xx, the ADC clock is also correctly defined but is not referenced
with a clock phandle as it ought to be.
The touchscreen bindings clearly state that the clocks/clock-names
properties are mandatory, but they have been forgotten in one DTSI. This
was probably not noticed in the first place because of the clock
actually existing and the clk_get() call going through all the tree
anyway.
Add the missing clock phandles in the am33xx touchscreen description.
Reported-by: H. Nikolaus Schaller <hns@goldelico.com>
Fixes: 235a96e92c16 ("mfd: ti_am335x_tscadc: Don't search the tree for our clock")
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Tested-by: H. Nikolaus Schaller <hns@goldelico.com>
Message-Id: <20220314163445.79807-1-miquel.raynal@bootlin.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Commit a1ebdb374199 ("ARM: dts: Fix swapped mmc order for omap3")
introduces general mmc aliases. Let's tailor them to the need
of the GTA04 board which does not make use of mmc2 and mmc3 interfaces.
Fixes: a1ebdb374199 ("ARM: dts: Fix swapped mmc order for omap3")
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Message-Id: <dc9173ee3d391d9e92b7ab8ed4f84b29f0a21c83.1646744420.git.hns@goldelico.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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We need to take mask into account in the set/get_multiple() callbacks.
Use bitmap_replace() instead of bitmap_copy().
Fixes: cb8c474e79be ("gpio: sim: new testing module")
Cc: stable@vger.kernel.org
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Add Coresight Cross Trigger Interface(CTI) entries to the device tree
for all the Juno variants.
Link: https://lore.kernel.org/r/20220413214925.30359-1-mike.leach@linaro.org
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Mike Leach <mike.leach@linaro.org>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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The SCMI power domain ID for all the coresight components is 8 while
the previous/older SCPI domain was 0. When adding SCMI variant, couple
of instances retained SCPI domain ID by mistake.
Fix the same by using the correct SCMI power domain ID of 8.
Link: https://lore.kernel.org/r/20220413093547.1699535-1-sudeep.holla@arm.com
Fixes: 96bb0954860a ("arm64: dts: juno: Add separate SCMI variants")
Cc: Robin Murphy <robin.murphy@arm.com>
Reported-by: Mike Leach <Mike.Leach@arm.com>
Acked-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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When we are swapping out the local memory obj on flat-ccs capable platform,
we need to capture the ccs data too along with main meory and we need to
restore it when we are swapping in the content.
When lmem object is swapped into a smem obj, smem obj will
have the extra pages required to hold the ccs data corresponding to the
lmem main memory. So main memory of lmem will be copied into the initial
pages of the smem and then ccs data corresponding to the main memory
will be copied to the subsequent pages of smem. ccs data is 1/256 of
lmem size.
Swapin happens exactly in reverse order. First main memory of lmem is
restored from the smem's initial pages and the ccs data will be restored
from the subsequent pages of smem.
Extracting and restoring the CCS data is done through a special cmd called
XY_CTRL_SURF_COPY_BLT
v2: Fixing the ccs handling
v3: Handle the ccs data at same loop as main memory [Thomas]
v4: changes for emit_copy_ccs
v5: handle non-flat-ccs scenario
Signed-off-by: Ramalingam C <ramalingam.c@intel.com>
Reviewed-by: Thomas Hellstrom <thomas.hellstrom@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220405150840.29351-10-ramalingam.c@intel.com
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On Xe-HP and later devices, dedicated compression control state (CCS)
stored in local memory is used for each surface, to support the
3D and media compression formats.
The memory required for the CCS of the entire local memory is 1/256 of
the local memory size. So before the kernel boot, the required memory
is reserved for the CCS data and a secure register will be programmed
with the CCS base address
So when an object is allocated in local memory, dont need to explicitly
allocate the space for ccs data. But when the obj is evicted into the
smem, to hold the compression related data along with the obj extra space
is needed in smem. i.e obj_size + (obj_size/256).
Hence when a smem pages are allocated for an obj with lmem placement
possibility we create with the extra pages required for the ccs data for
the obj size.
v2:
Used imperative wording [Thomas]
v3:
Inflate the pages only when obj's placement is lmem only
v4:
GEM_BUG_ON if the ttm->num_pages > obj page size [Thomas]
Signed-off-by: Ramalingam C <ramalingam.c@intel.com>
cc: Christian Koenig <christian.koenig@amd.com>
cc: Hellstrom Thomas <thomas.hellstrom@intel.com>
Reviewed-by: Thomas Hellstrom <thomas.hellstrom@linux.intel.com>
Reviewed-by: Nirmoy Das <nirmoy.das@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220405150840.29351-9-ramalingam.c@intel.com
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Extend the live migrate selftest, to verify the ccs surface clearing
during the Flat-CCS capable lmem obj clear.
v2:
Look at right places for ccs data [Thomas]
Signed-off-by: Ramalingam C <ramalingam.c@intel.com>
Reviewed-by: Thomas Hellstrom <thomas.hellstrom@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220405150840.29351-8-ramalingam.c@intel.com
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Consider the possible round up happened at obj size alignment to
min_page_size during the obj allocation.
Signed-off-by: Ramalingam C <ramalingam.c@intel.com>
Reviewed-by: Thomas Hellstrom <thomas.hellstrom@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220405150840.29351-7-ramalingam.c@intel.com
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Xe-HP and latest devices support Flat CCS which reserved a portion of
the device memory to store compression metadata, during the clearing of
device memory buffer object we also need to clear the associated
CCS buffer.
XY_CTRL_SURF_COPY_BLT is a BLT cmd used for reading and writing the
ccs surface of a lmem memory. So on Flat-CCS capable platform we use
XY_CTRL_SURF_COPY_BLT to clear the CCS meta data.
v2: Fixed issues with platform naming [Lucas]
v3: Rebased [Ram]
Used the round_up funcs [Bob]
v4: Fixed ccs blk calculation [Ram]
Added Kdoc on flat-ccs.
v5: GENMASK is used [Matt]
mocs fix [Matt]
Comments Fix [Matt]
Flush address programming [Ram]
v6: FLUSH_DW is fixed
Few coding style fix
v7: Adopting the XY_FAST_COLOR_BLT (Thomas]
v8: XY_CTRL_SURF_COPY_BLT for ccs clearing.
v9: emit_copy_ccs is used.
v10: ctrl_surf cmds are filled in caller itself. [Thomas]
only one ctrl surf cmd is used as size of lmem is <=8M [Thomas]
Signed-off-by: Ramalingam C <ramalingam.c@intel.com>
Signed-off-by: Ayaz A Siddiqui <ayaz.siddiqui@intel.com>
Reviewed-by: Thomas Hellstrom <thomas.hellstrom@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220405150840.29351-6-ramalingam.c@intel.com
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When emit_pte doesn't update any PTE with return value as 0, interpret
it as -EINVAL.
v2:
Add missing goto [Thomas]
Signed-off-by: Ramalingam C <ramalingam.c@intel.com>
Reviewed-by: Thomas Hellstrom <thomas.hellstrom@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220405150840.29351-5-ramalingam.c@intel.com
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Move the static calculations out of the loops for copy and clear.
v2:
Fix the loss of proper error code on emit_pte
Signed-off-by: Ramalingam C <ramalingam.c@intel.com>
Reviewed-by: Thomas Hellstrom <thomas.hellstrom@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220405150840.29351-4-ramalingam.c@intel.com
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Use faster XY_FAST_COLOR_BLT cmd on graphics version of 12 and more,
for clearing (Zero out) the pages of the newly allocated object.
XY_FAST_COLOR_BLT is faster than the older XY_COLOR_BLT.
v2:
Typo fix at title [Thomas]
v3:
XY_FAST_COLOR_BLT is used only for FLAT_CCS capable gen12+
Signed-off-by: Ramalingam C <ramalingam.c@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Thomas Hellstrom <thomas.hellstrom@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220405150840.29351-3-ramalingam.c@intel.com
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To make it uniform across copy and clear, use the engine offset directly
to calculate the offset in the cmd forming for emit_clear.
Signed-off-by: Ramalingam C <ramalingam.c@intel.com>
Reviewed-by: Thomas Hellstrom <thomas.hellstrom@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220405150840.29351-2-ramalingam.c@intel.com
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For manual write and read, factor out the common access to the first
data register by keeping track of the current data pointer.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/c3b2a8d1a69f1b1e8d1a460148406cfb83e52eb4.1649857740.git.geert+renesas@glider.be
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
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It turns out after digging deeper into this bug, that it was being
triggered by GCC12 failing to call the bcmgenet_enable_dma()
routine. Given that a gcc12 fix has been merged [1] and the genet
driver now works properly when built with gcc12, this commit should
be reverted.
[1]
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105160
https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=aabb9a261ef060cf24fd626713f1d7d9df81aa57
Fixes: 8d3ea3d402db ("net: bcmgenet: Use stronger register read/writes to assure ordering")
Signed-off-by: Jeremy Linton <jeremy.linton@arm.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20220412210420.1129430-1-jeremy.linton@arm.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Added tabs for indent to fix the checkpatch error.
Signed-off-by: Aliya Rahmani <aliyarahmani786@gmail.com>
Link: https://lore.kernel.org/r/20220413204648.60358-1-aliyarahmani786@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Remove redundant parentheses reported by checkpatch.
Signed-off-by: Aliya Rahmani <aliyarahmani786@gmail.com>
Link: https://lore.kernel.org/r/20220413182303.34807-1-aliyarahmani786@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Remove the unnecessary space immediately after a cast. Identified by
checkpatch: CHECK: No space is necessary after a cast.
Signed-off-by: Aliya Rahmani <aliyarahmani786@gmail.com>
Link: https://lore.kernel.org/r/20220413113531.31224-1-aliyarahmani786@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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pkg_newalloc in struct recv_buf is not used. Remove it.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20220413200742.276806-5-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Use structs and functions from ieee80211.h in mgt_dispatcher to parse
the incoming frame.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20220413200742.276806-4-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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All that the _mgt_dispatcher function does is to call a function from
a function pointer. It's not worth having a separate function for this.
Merge _mgt_dispatcher into mgt_dispatcher.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20220413200742.276806-3-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Replace the driver-specific GetPriority macro with ieee80211_get_tid,
which does exactly the same thing.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20220413200742.276806-2-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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rtw_get_passing_time_ms and rtw_systime_to_ms are not used any more.
Remove them.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20220413193654.258507-9-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Remove the loop in rtw_pwr_wakeup that waits while the system is
suspended.
pwrpriv->bInSuspend is set in rtw_suspend and cleared in rtw_resume. These
functions are the .suspend and .resume functions of the struct usb_driver
for r8188eu.
A usb_driver's suspend and resume functions are called when the entire
system goes into suspend or runtime suspend.
All of the code paths for rtw_pwr_wakeup start at ioctl handlers.
We can remove the loop that checks bInSuspend. It's not possible to call
an ioctl while the entire system is suspended.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20220413193654.258507-8-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Clean up the code in rtw_pwr_wakeup that sets pwrpriv->ips_deny_time.
Make ips_deny_time an unsigned long, this type is used by the kernel
functions that process jiffies.
Remove the temporary variable ips_deffer_ms and use
RTW_PWR_STATE_CHK_INTERVAL directly.
There's no need to set ips_deny_time twice, it's sufficient to set it at
the end of rtw_pwr_wakeup.
Use time_before to check if ips_deny_time should be updated.
We can now remove rtw_ms_to_systime, this function is not used any more.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20220413193654.258507-7-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Use the kernel functions to set a timeout and to check if it's expired.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20220413193654.258507-6-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Summarize two if statements in rtw_pwr_wakeup and place the constants
on the right side of the comparison.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20220413193654.258507-5-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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It's sufficient to check pwrpriv->ps_processing as part of the while-loop.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20220413193654.258507-4-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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rtw_pwr_wakeup should return _SUCCESS or _FAIL.
Replace false with _FAIL in one place and reformat the if-statement.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20220413193654.258507-3-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Simplify the conditions for a loop in rtw_pwr_wakeup that waits while
the system is suspended.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20220413193654.258507-2-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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When L3 stats are disabled, rtnl_offload_xstats_get_size_stats() returns
size of 0, which is supposed to be an indication that the corresponding
attribute should not be emitted. However, instead, the current code
reserves a 0-byte attribute.
The reason this does not show up as a citation on a kasan kernel is that
netdev_offload_xstats_get(), which is supposed to fill in the data, never
ends up getting called, because rtnl_offload_xstats_get_stats() notices
that the stats are not actually used and skips the call.
Thus a zero-length IFLA_OFFLOAD_XSTATS_L3_STATS attribute ends up in a
response, confusing the userspace.
Fix by skipping the L3-stats related block in rtnl_offload_xstats_fill().
Fixes: 0e7788fd7622 ("net: rtnetlink: Add UAPI for obtaining L3 offload xstats")
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Link: https://lore.kernel.org/r/591b58e7623edc3eb66dd1fcfa8c8f133d090974.1649794741.git.petrm@nvidia.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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When the device tree has 2 CPU ports defined, a single one is active
(has any dp->cpu_dp pointers point to it). Yet the second one is still a
CPU port, and DSA still calls ->change_tag_protocol on it.
On the NXP LS1028A, the CPU ports are ports 4 and 5. Port 4 is the
active CPU port and port 5 is inactive.
After the following commands:
# Initial setting
cat /sys/class/net/eno2/dsa/tagging
ocelot
echo ocelot-8021q > /sys/class/net/eno2/dsa/tagging
echo ocelot > /sys/class/net/eno2/dsa/tagging
traffic is now broken, because the driver has moved the NPI port from
port 4 to port 5, unbeknown to DSA.
The problem can be avoided by detecting that the second CPU port is
unused, and not doing anything for it. Further rework will be needed
when proper support for multiple CPU ports is added.
Treat this as a bug and prepare current kernels to work in single-CPU
mode with multiple-CPU DT blobs.
Fixes: adb3dccf090b ("net: dsa: felix: convert to the new .change_tag_protocol DSA API")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://lore.kernel.org/r/20220412172209.2531865-1-vladimir.oltean@nxp.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Similar to the sc7180 commit, let's drop the IP0 interconnects here
because the IP0 resource is also used in the clk-rpmh driver on sdx55.
It's bad to have the clk framework and interconnect framework control
the same RPMh resource without any coordination. The rpmh driver in the
kernel doesn't aggregate resources between clients either, so leaving
control to clk-rpmh avoids any issues with unused interconnects turning
off IP0 behind the back of the clk framework.
Cc: Alex Elder <elder@linaro.org>
Cc: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Taniya Das <quic_tdas@quicinc.com>
Cc: Mike Tipton <quic_mdtipton@quicinc.com>
Fixes: b2150cab9a97 ("clk: qcom: rpmh: add support for SDX55 rpmh IPA clock")
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Alex Elder <elder@linaro.org>
Acked-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220412220033.1273607-3-swboyd@chromium.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
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The IPA BCM resource ("IP0") on sc7180 was moved to the clk-rpmh driver
in commit bcd63d222b60 ("clk: qcom: rpmh: Add IPA clock for SC7180") and
modeled as a clk, but this interconnect driver still had it modeled as
an interconnect. This was mostly OK because nobody used the interconnect
definition, until the interconnect framework started dropping bandwidth
requests on interconnects that aren't used via the sync_state callback
in commit 7d3b0b0d8184 ("interconnect: qcom: Use icc_sync_state"). Once
that patch was applied the IP0 resource was going to be controlled from
two places, the clk framework and the interconnect framework.
Even then, things were probably going to be OK, because commit
b95b668eaaa2 ("interconnect: qcom: icc-rpmh: Add BCMs to commit list in
pre_aggregate") was needed to actually drop bandwidth requests on unused
interconnects, of which the IPA was one of the interconnect that wasn't
getting dropped to zero. Combining the three commits together leads to
bad behavior where the interconnect framework is disabling the IP0
resource because it has no users while the clk framework thinks the IP0
resource is on because the only user, the IPA driver, has turned it on
via clk_prepare_enable(). Depending on when sync_state is called, we can
get into a situation like below:
IPA driver probes
IPA driver gets notified modem started
runtime PM get()
IPA clk enabled -> IP0 resource is ON
sync_state runs
interconnect zeroes out the IP0 resource -> IP0 resource is off
IPA driver tries to access a register and blows up
The crash is an unclocked access that manifest as an SError.
SError Interrupt on CPU0, code 0xbe000011 -- SError
CPU: 0 PID: 3595 Comm: mmdata_mgr Not tainted 5.17.1+ #166
Hardware name: Google Lazor (rev1 - 2) with LTE (DT)
pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : mutex_lock+0x4c/0x80
lr : mutex_lock+0x30/0x80
sp : ffffffc00da9b9c0
x29: ffffffc00da9b9c0 x28: 0000000000000000 x27: 0000000000000000
x26: ffffffc00da9bc90 x25: ffffff80c2024010 x24: ffffff80c2024000
x23: ffffff8083100000 x22: ffffff80831000d0 x21: ffffff80831000a8
x20: ffffff80831000a8 x19: ffffff8083100070 x18: 00000000ffff0a00
x17: 000000002f7254f1 x16: 0000000000000100 x15: 0000000000000000
x14: 0000000000000000 x13: 0000000000000000 x12: 0000000000000000
x11: 000000000001f0b8 x10: ffffffc00931f0b8 x9 : 0000000000000000
x8 : 0000000000000000 x7 : fefefefefeff2f60 x6 : 0000808080808080
x5 : 0000000000000000 x4 : 8080808080800000 x3 : ffffff80d2d4ee28
x2 : ffffff808c1d6e40 x1 : 0000000000000000 x0 : ffffff8083100070
Kernel panic - not syncing: Asynchronous SError Interrupt
CPU: 0 PID: 3595 Comm: mmdata_mgr Not tainted 5.17.1+ #166
Hardware name: Google Lazor (rev1 - 2) with LTE (DT)
Call trace:
dump_backtrace+0xf4/0x114
show_stack+0x24/0x30
dump_stack_lvl+0x64/0x7c
dump_stack+0x18/0x38
panic+0x150/0x38c
nmi_panic+0x88/0xa0
arm64_serror_panic+0x74/0x80
do_serror+0x0/0x80
do_serror+0x58/0x80
el1h_64_error_handler+0x34/0x4c
el1h_64_error+0x78/0x7c
mutex_lock+0x4c/0x80
__gsi_channel_start+0x50/0x17c
gsi_channel_start+0x54/0x90
ipa_endpoint_enable_one+0x34/0xc0
ipa_open+0x4c/0x120
Remove all IP0 resource management from the interconnect driver so that
clk-rpmh is the sole owner. This fixes the issue by preventing the
interconnect driver from overwriting the IP0 resource data that the
clk-rpmh driver wrote.
Cc: Alex Elder <elder@linaro.org>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Taniya Das <quic_tdas@quicinc.com>
Cc: Mike Tipton <quic_mdtipton@quicinc.com>
Fixes: b95b668eaaa2 ("interconnect: qcom: icc-rpmh: Add BCMs to commit list in pre_aggregate")
Fixes: bcd63d222b60 ("clk: qcom: rpmh: Add IPA clock for SC7180")
Fixes: 7d3b0b0d8184 ("interconnect: qcom: Use icc_sync_state")
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Tested-by: Alex Elder <elder@linaro.org>
Reviewed-by: Alex Elder <elder@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220412220033.1273607-2-swboyd@chromium.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
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Commit 5337824f4dc4 ("net: annotate accesses to queue->trans_start")
introduced a new helper, txq_trans_cond_update, to update
queue->trans_start using WRITE_ONCE. One snippet in drivers/net/tun.c
was missed, as it was introduced roughly at the same time.
Fixes: 5337824f4dc4 ("net: annotate accesses to queue->trans_start")
Cc: Eric Dumazet <edumazet@google.com>
Signed-off-by: Antoine Tenart <atenart@kernel.org>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20220412135852.466386-1-atenart@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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When inline encryption is used, the usual message "fscrypt: AES-256-XTS
using implementation <impl>" doesn't appear in the kernel log. Add a
similar message for the blk-crypto case that indicates that inline
encryption was used, and whether blk-crypto-fallback was used or not.
This can be useful for debugging performance problems.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Link: https://lore.kernel.org/r/20220414053415.158986-1-ebiggers@kernel.org
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The pm_runtime_enable() will increase power disable depth.
If the probe fails, we should use pm_runtime_disable() to balance
pm_runtime_enable().
Add missing pm_runtime_disable() for serdes_am654_probe().
Fixes: 71e2f5c5c224 ("phy: ti: Add a new SERDES driver for TI's AM654x SoC")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Link: https://lore.kernel.org/r/20220301025853.1911-1-linmq006@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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The pm_runtime_enable will increase power disable depth.
If the probe fails, we should use pm_runtime_disable() to balance
pm_runtime_enable(). And use pm_runtime_dont_use_autosuspend() to
undo pm_runtime_use_autosuspend()
In the PM Runtime docs:
Drivers in ->remove() callback should undo the runtime PM changes done
in ->probe(). Usually this means calling pm_runtime_disable(),
pm_runtime_dont_use_autosuspend() etc.
We should do this in error handling.
Fixes: f7f50b2a7b05 ("phy: mapphone-mdm6600: Add runtime PM support for n_gsm on USB suspend")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Link: https://lore.kernel.org/r/20220301024615.31899-1-linmq006@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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On umount, cifs_sb->tlink_tree might contain entries that do not represent
a valid tcon.
Check the tcon for error before we dereference it.
Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Cc: stable@vger.kernel.org
Reviewed-by: Shyam Prasad N <sprasad@microsoft.com>
Reported-by: Xiaoli Feng <xifeng@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
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Some msm fixes for v5.18.
kzalloc return checks, display fix, misc locking and scheduler bug, iommu present removal.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rob Clark <robdclark@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/CAF6AEGvuTwx09MKwK68KWXqi4o7LxDGMUz1=Z7xOS+i=OV84Ug@mail.gmail.com
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- Correct legacy mmap disabling to use GRAPHICS_VER_FULL
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/YlZma8iA20iakK62@jlahtine-mobl.ger.corp.intel.com
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When we looked into FIO performance with swiotlb enabled in VM, we found
swiotlb_bounce() is always called one more time than expected for each DMA
read request.
It turns out that the bounce buffer is copied to original DMA buffer twice
after the completion of a DMA request (one is done by in
dma_direct_sync_single_for_cpu(), the other by swiotlb_tbl_unmap_single()).
But the content in bounce buffer actually doesn't change between the two
rounds of copy. So, one round of copy is redundant.
Pass DMA_ATTR_SKIP_CPU_SYNC flag to swiotlb_tbl_unmap_single() to
skip the memory copy in it.
This fix increases FIO 64KB sequential read throughput in a guest with
swiotlb=force by 5.6%.
Fixes: 55897af63091 ("dma-direct: merge swiotlb_dma_ops into the dma_direct code")
Reported-by: Wang Zhaoyang1 <zhaoyang1.wang@intel.com>
Reported-by: Gao Liang <liang.gao@intel.com>
Signed-off-by: Chao Gao <chao.gao@intel.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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[why]
dcn316's dtbclk is from non_ss clock source.
no compensation required here.
Reviewed-by: Chris Park <Chris.Park@amd.com>
Acked-by: Pavle Kotarac <Pavle.Kotarac@amd.com>
Signed-off-by: Charlene Liu <Charlene.Liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Enabling gfxoff quirk results in perfectly usable graphical user
interface on MacBook Pro (15-inch, 2019) with Radeon Pro Vega 20 4 GB.
Without the quirk, X server is completely unusable as every few seconds
there is gpu reset due to ring gfx timeout.
Signed-off-by: Tomasz Moń <desowin@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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DP/HDMI audio on AMD PRO VII stops working after S3:
[ 149.450391] amdgpu 0000:63:00.0: amdgpu: MODE1 reset
[ 149.450395] amdgpu 0000:63:00.0: amdgpu: GPU mode1 reset
[ 149.450494] amdgpu 0000:63:00.0: amdgpu: GPU psp mode1 reset
[ 149.983693] snd_hda_intel 0000:63:00.1: refused to change power state from D0 to D3hot
[ 150.003439] amdgpu 0000:63:00.0: refused to change power state from D0 to D3hot
...
[ 155.432975] snd_hda_intel 0000:63:00.1: CORB reset timeout#2, CORBRP = 65535
The offending commit is daf8de0874ab5b ("drm/amdgpu: always reset the asic in
suspend (v2)"). Commit 34452ac3038a7 ("drm/amdgpu: don't use BACO for
reset in S3 ") doesn't help, so the issue is something different.
Assuming that to make HDA resume to D0 fully realized, it needs to be
successfully put to D3 first. And this guesswork proves working, by
moving amdgpu_asic_reset() to noirq callback, so it's called after HDA
function is in D3.
Fixes: daf8de0874ab5b ("drm/amdgpu: always reset the asic in suspend (v2)")
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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Ken Kurematsu
Nathan Chancellor
Adam Ford
Miquel Raynal
H. Nikolaus Schaller
Bartosz Golaszewski
Mike Leach
Sudeep Holla
Ramalingam C
Geert Uytterhoeven
Jeremy Linton
Aliya Rahmani
Martin Kaiser
Petr Machata
Vladimir Oltean
Stephen Boyd
Antoine Tenart
Eric Biggers
Miaoqian Lin
Ronnie Sahlberg
Dave Airlie
Chao Gao
Charlene Liu
Tomasz Moń
Kai-Heng Feng