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In xsk_poll(), checking available events and setting mask bits should
be executed only when a socket has been bound. Setting mask bits for
unbound socket is meaningless.
Currently, it checks events even when xsk_check_common() failed.
To prevent this, we move goto location (skip_tx) after that checking.
Fixes: 1596dae2f17e ("xsk: check IFF_UP earlier in Tx path")
Signed-off-by: Yewon Choi <woni9911@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Magnus Karlsson <magnus.karlsson@intel.com>
Link: https://lore.kernel.org/bpf/20231201061048.GA1510@libra05
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Use #pwm-cells for all i.MX variants. Only fsl,imx1-pwm does not support
inverted PWM output. Keep it the same for consistency.
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Since commit c7e73b5051d6 ("ARM: imx: mach-imx6ul: remove 14x14 EVK
specific PHY fixup")thet Ethernet PHY is no longer configured via code
in board file.
This caused Ethernet to stop working.
Fix this problem by describing the clocks and clock-names to the
Ethernet PHY node so that the KSZ8081 chip can be clocked correctly.
Fixes: c7e73b5051d6 ("ARM: imx: mach-imx6ul: remove 14x14 EVK specific PHY fixup")
Signed-off-by: Fabio Estevam <festevam@denx.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Current, the dewake_scanline variable is defined as unsigned int,
an unsigned int variable that is always greater than or equal to 0.
when _intel_dsb_commit function is called by intel_dsb_commit function,
the dewake_scanline variable may have an int value.
So the dewake_scanline variable is necessary to defined as an int.
Fixes: f83b94d23770 ("drm/i915/dsb: Use DEwake to combat PkgC latency")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202310052201.AnVbpgPr-lkp@intel.com/
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Uma Shankar <uma.shankar@intel.com>
Signed-off-by: heminhong <heminhong@kylinos.cn>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231114024341.14524-1-heminhong@kylinos.cn
(cherry picked from commit ef32c3cc9c62252986f09e06b4e525742cd91529)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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We have no bigjoiner support in the MST code, so .mode_valid()
pretending otherwise is just going to result black screens for
users. Reject any mode that needs the joiner.
Cc: stable@vger.kernel.org
Cc: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Fixes: d51f25eb479a ("drm/i915: Add DSC support to MST path")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231127145028.4899-3-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
(cherry picked from commit 9c058492b16f90bb772cb0dad567e8acc68e155d)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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.mode_valid_ctx() returns an errno, not the mode status. Fix
the code to do the right thing.
Cc: stable@vger.kernel.org
Cc: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Fixes: d51f25eb479a ("drm/i915: Add DSC support to MST path")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231127145028.4899-2-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
(cherry picked from commit c1799032d2ef6616113b733428dfaa2199a5604b)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Apparently some BXT/GLK systems have DSI panels whose timings
don't agree with the normal cpu transcoder hblank>=32 limitation.
This is perhaps fine as there are no specific hblank/etc. limits
listed for the BXT/GLK DSI transcoders.
Move those checks out from the global intel_mode_valid() into
into connector specific .mode_valid() hooks, skipping BXT/GLK
DSI connectors. We'll leave the basic [hv]display/[hv]total
checks in intel_mode_valid() as those seem like sensible upper
limits regardless of the transcoder used.
Cc: stable@vger.kernel.org
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/9720
Fixes: 8f4b1068e7fc ("drm/i915: Check some transcoder timing minimum limits")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231127145028.4899-1-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
(cherry picked from commit e0ef2daa8ca8ce4dbc2fd0959e383b753a87fd7d)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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The i.MX8MP and i.MX8MQ devices both use the same DWC3 controller and
are both affected by a known issue with the controller due to specific
behaviour when park mode is enabled in SuperSpeed host mode operation.
Under heavy USB traffic from multiple endpoints the controller will
sometimes incorrectly process transactions such that some transactions
are lost, or the controller may hang when processing transactions. When
the controller hangs it does not recover.
This issue is documented partially within the linux-imx vendor kernel
which references a Synopsys STAR number 9001415732 in commits [1] and
additional details in [2]. Those commits provide some additional
controller internal implementation specifics around the incorrect
behaviour of the SuperSpeed host controller operation when park mode is
enabled.
The summary of this issue is that the host controller can incorrectly
enter/exit park mode such that part of the controller is in a state
which behaves as if in park mode even though it is not. In this state
the controller incorrectly calculates the number of TRBs available which
results in incorrect access of the internal caches causing the overwrite
of pending requests in the cache which should have been processed but
are ignored. This can cause the controller to drop the requests or hang
waiting for the pending state of the dropped requests.
The workaround for this issue is to disable park mode for SuperSpeed
operation of the controller through the GUCTL1[17] bit. This is already
available as a quirk for the DWC3 controller and can be enabled via the
'snps,parkmode-disable-ss-quirk' device tree property.
It is possible to replicate this failure on an i.MX8MP EVK with a USB
Hub connecting 4 SuperSpeed USB flash drives. Performing continuous
small read operations (dd if=/dev/sd... of=/dev/null bs=16) on the block
devices will result in device errors initially and will eventually
result in the controller hanging.
[13240.896936] xhci-hcd xhci-hcd.0.auto: WARN Event TRB for slot 4 ep 2 with no TDs queued?
[13240.990708] usb 2-1.3: reset SuperSpeed USB device number 5 using xhci-hcd
[13241.015582] sd 2:0:0:0: [sdc] tag#0 UNKNOWN(0x2003) Result: hostbyte=0x07 driverbyte=DRIVER_OK cmd_age=0s
[13241.025198] sd 2:0:0:0: [sdc] tag#0 CDB: opcode=0x28 28 00 00 00 03 e0 00 01 00 00
[13241.032949] I/O error, dev sdc, sector 992 op 0x0:(READ) flags 0x80700 phys_seg 25 prio class 2
[13272.150710] usb 2-1.2: reset SuperSpeed USB device number 4 using xhci-hcd
[13272.175469] sd 1:0:0:0: [sdb] tag#0 UNKNOWN(0x2003) Result: hostbyte=0x03 driverbyte=DRIVER_OK cmd_age=31s
[13272.185365] sd 1:0:0:0: [sdb] tag#0 CDB: opcode=0x28 28 00 00 00 03 e0 00 01 00 00
[13272.193385] I/O error, dev sdb, sector 992 op 0x0:(READ) flags 0x80700 phys_seg 18 prio class 2
[13434.846556] xhci-hcd xhci-hcd.0.auto: xHCI host not responding to stop endpoint command
[13434.854592] xhci-hcd xhci-hcd.0.auto: xHCI host controller not responding, assume dead
[13434.862553] xhci-hcd xhci-hcd.0.auto: HC died; cleaning up
[1] https://github.com/nxp-imx/linux-imx/commit/97a5349d936b08cf301730b59e4e8855283f815c
[2] https://github.com/nxp-imx/linux-imx/commit/b4b5cbc5a12d7c3b920d1d7cba0ada3379e4e42b
Fixes: fb8587a2c165 ("arm64: dtsi: imx8mp: add usb nodes")
Fixes: ad37549cb5dc ("arm64: dts: imx8mq: add USB nodes")
Signed-off-by: Nathan Rossi <nathan.rossi@digi.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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A dependency on this feature was recently introduced:
x86_64-linux-ld: vmlinux.o: in function `tc358768_bridge_pre_enable':
tc358768.c:(.text+0xbe3dae): undefined reference to `drm_display_mode_to_videomode'
Make sure this is always enabled.
Fixes: e5fb21678136 ("drm/bridge: tc358768: Use struct videomode")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20231204072814.968816-1-arnd@kernel.org
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20231204072814.968816-1-arnd@kernel.org
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Commit 41a506ef71eb ("powerpc/ftrace: Create a dummy stackframe to fix
stack unwind") added use of a new stack frame on ftrace entry to fix
stack unwind. However, the commit missed updating the offset used while
tearing down the ftrace stack when ftrace is disabled. Fix the same.
In addition, the commit missed saving the correct stack pointer in
pt_regs. Update the same.
Fixes: 41a506ef71eb ("powerpc/ftrace: Create a dummy stackframe to fix stack unwind")
Cc: stable@vger.kernel.org # v6.5+
Signed-off-by: Naveen N Rao <naveen@kernel.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20231130065947.2188860-1-naveen@kernel.org
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The status bits of register MAC_FPE_CTRL_STS are clear on read. Using
32-bit read for MAC_FPE_CTRL_STS in dwmac5_fpe_configure() and
dwmac5_fpe_send_mpacket() clear the status bits. Then the stmmac interrupt
handler missing FPE event status and leads to FPE handshaking failure and
retries.
To avoid clear status bits of MAC_FPE_CTRL_STS in dwmac5_fpe_configure()
and dwmac5_fpe_send_mpacket(), add fpe_csr to stmmac_fpe_cfg structure to
cache the control bits of MAC_FPE_CTRL_STS and to avoid reading
MAC_FPE_CTRL_STS in those methods.
Fixes: 5a5586112b92 ("net: stmmac: support FPE link partner hand-shaking procedure")
Reviewed-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: Jianheng Zhang <Jianheng.Zhang@synopsys.com>
Link: https://lore.kernel.org/r/CY5PR12MB637225A7CF529D5BE0FBE59CBF81A@CY5PR12MB6372.namprd12.prod.outlook.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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coalescing
The current adaptive interrupt coalescing code updates only rx
packet stats for dim algorithm. This patch also updates tx packet
stats which will be useful when there is only tx traffic.
Also moved configuring hardware adaptive interrupt setting to
driver dim callback.
Fixes: 6e144b47f560 ("octeontx2-pf: Add support for adaptive interrupt coalescing")
Signed-off-by: Naveen Mamindlapalli <naveenm@marvell.com>
Signed-off-by: Suman Ghosh <sumang@marvell.com>
Reviewed-by: Wojciech Drewek <wojciech.drewek@intel.com>
Link: https://lore.kernel.org/r/20231201053330.3903694-1-sumang@marvell.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
drm/i915 fixes for v6.7-rc4 #2:
- d21a3962d304 ("drm/i915: Call intel_pre_plane_updates() also for pipes
getting enabled") in the previous fixes pull depends on a change that
wasn't included. Pick it up.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/87fs0m48ol.fsf@intel.com
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Probe of Sohard Arcnet cards fails,
if 2 or more cards are installed in a system.
See kernel log:
[ 2.759203] arcnet: arcnet loaded
[ 2.763648] arcnet:com20020: COM20020 chipset support (by David Woodhouse et al.)
[ 2.770585] arcnet:com20020_pci: COM20020 PCI support
[ 2.772295] com20020 0000:02:00.0: enabling device (0000 -> 0003)
[ 2.772354] (unnamed net_device) (uninitialized): PLX-PCI Controls
...
[ 3.071301] com20020 0000:02:00.0 arc0-0 (uninitialized): PCI COM20020: station FFh found at F080h, IRQ 101.
[ 3.071305] com20020 0000:02:00.0 arc0-0 (uninitialized): Using CKP 64 - data rate 2.5 Mb/s
[ 3.071534] com20020 0000:07:00.0: enabling device (0000 -> 0003)
[ 3.071581] (unnamed net_device) (uninitialized): PLX-PCI Controls
...
[ 3.369501] com20020 0000:07:00.0: Led pci:green:tx:0-0 renamed to pci:green:tx:0-0_1 due to name collision
[ 3.369535] com20020 0000:07:00.0: Led pci:red:recon:0-0 renamed to pci:red:recon:0-0_1 due to name collision
[ 3.370586] com20020 0000:07:00.0 arc0-0 (uninitialized): PCI COM20020: station E1h found at C000h, IRQ 35.
[ 3.370589] com20020 0000:07:00.0 arc0-0 (uninitialized): Using CKP 64 - data rate 2.5 Mb/s
[ 3.370608] com20020: probe of 0000:07:00.0 failed with error -5
commit 5ef216c1f848 ("arcnet: com20020-pci: add rotary index support")
changes the device name of all COM20020 based PCI cards,
even if only some cards support this:
snprintf(dev->name, sizeof(dev->name), "arc%d-%d", dev->dev_id, i);
The error happens because all Sohard Arcnet cards would be called arc0-0,
since the Sohard Arcnet cards don't have a PLX rotary coder.
I.e. EAE Arcnet cards have a PLX rotary coder,
which sets the first decimal, ensuring unique devices names.
This patch adds two new card feature flags to indicate
which cards support LEDs and the PLX rotary coder.
For EAE based cards the names still depend on the PLX rotary coder
(untested, since missing EAE hardware).
For Sohard based cards, this patch will result in devices
being called arc0, arc1, ... (tested).
Signed-off-by: Thomas Reichinger <thomas.reichinger@sohard.de>
Fixes: 5ef216c1f848 ("arcnet: com20020-pci: add rotary index support")
Link: https://lore.kernel.org/r/20231130113503.6812-1-thomas.reichinger@sohard.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This reverts commit 52eb67861ebeb2110318bd9fe33d85ddcf92aac7.
Turns out to not be correct, a new version will be generated later.
Link: https://lore.kernel.org/r/20231204131008.384583-1-ayushdevel1325@gmail.com
Cc: Ayush Singh <ayushdevel1325@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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When creating ceq_0 during probing irdma, cqp.sc_cqp will be sent as a
cqp_request to cqp->sc_cqp.sq_ring. If the request is pending when
removing the irdma driver or unplugging its aux device, cqp.sc_cqp will be
dereferenced as wrong struct in irdma_free_pending_cqp_request().
PID: 3669 TASK: ffff88aef892c000 CPU: 28 COMMAND: "kworker/28:0"
#0 [fffffe0000549e38] crash_nmi_callback at ffffffff810e3a34
#1 [fffffe0000549e40] nmi_handle at ffffffff810788b2
#2 [fffffe0000549ea0] default_do_nmi at ffffffff8107938f
#3 [fffffe0000549eb8] do_nmi at ffffffff81079582
#4 [fffffe0000549ef0] end_repeat_nmi at ffffffff82e016b4
[exception RIP: native_queued_spin_lock_slowpath+1291]
RIP: ffffffff8127e72b RSP: ffff88aa841ef778 RFLAGS: 00000046
RAX: 0000000000000000 RBX: ffff88b01f849700 RCX: ffffffff8127e47e
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff83857ec0
RBP: ffff88afe3e4efc8 R8: ffffed15fc7c9dfa R9: ffffed15fc7c9dfa
R10: 0000000000000001 R11: ffffed15fc7c9df9 R12: 0000000000740000
R13: ffff88b01f849708 R14: 0000000000000003 R15: ffffed1603f092e1
ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0000
-- <NMI exception stack> --
#5 [ffff88aa841ef778] native_queued_spin_lock_slowpath at ffffffff8127e72b
#6 [ffff88aa841ef7b0] _raw_spin_lock_irqsave at ffffffff82c22aa4
#7 [ffff88aa841ef7c8] __wake_up_common_lock at ffffffff81257363
#8 [ffff88aa841ef888] irdma_free_pending_cqp_request at ffffffffa0ba12cc [irdma]
#9 [ffff88aa841ef958] irdma_cleanup_pending_cqp_op at ffffffffa0ba1469 [irdma]
#10 [ffff88aa841ef9c0] irdma_ctrl_deinit_hw at ffffffffa0b2989f [irdma]
#11 [ffff88aa841efa28] irdma_remove at ffffffffa0b252df [irdma]
#12 [ffff88aa841efae8] auxiliary_bus_remove at ffffffff8219afdb
#13 [ffff88aa841efb00] device_release_driver_internal at ffffffff821882e6
#14 [ffff88aa841efb38] bus_remove_device at ffffffff82184278
#15 [ffff88aa841efb88] device_del at ffffffff82179d23
#16 [ffff88aa841efc48] ice_unplug_aux_dev at ffffffffa0eb1c14 [ice]
#17 [ffff88aa841efc68] ice_service_task at ffffffffa0d88201 [ice]
#18 [ffff88aa841efde8] process_one_work at ffffffff811c589a
#19 [ffff88aa841efe60] worker_thread at ffffffff811c71ff
#20 [ffff88aa841eff10] kthread at ffffffff811d87a0
#21 [ffff88aa841eff50] ret_from_fork at ffffffff82e0022f
Fixes: 44d9e52977a1 ("RDMA/irdma: Implement device initialization definitions")
Link: https://lore.kernel.org/r/20231130081415.891006-1-lishifeng@sangfor.com.cn
Suggested-by: "Ismail, Mustafa" <mustafa.ismail@intel.com>
Signed-off-by: Shifeng Li <lishifeng@sangfor.com.cn>
Reviewed-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
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Virtual QP and CQ require a 4K HW page size but the driver passes
PAGE_SIZE to ib_umem_find_best_pgsz() instead.
Fix this by using the appropriate 4k value in the bitmap passed to
ib_umem_find_best_pgsz().
Fixes: 693a5386eff0 ("RDMA/irdma: Split mr alloc and free into new functions")
Link: https://lore.kernel.org/r/20231129202143.1434-4-shiraz.saleem@intel.com
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
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The SQ is shared for between kernel and used by storing the kernel page
pointer and passing that to a kmap_atomic().
This then requires that the alignment is PAGE_SIZE aligned.
Fix by adding an iWarp specific alignment check.
Fixes: e965ef0e7b2c ("RDMA/irdma: Split QP handler into irdma_reg_user_mr_type_qp")
Link: https://lore.kernel.org/r/20231129202143.1434-3-shiraz.saleem@intel.com
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
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64k pages introduce the situation in this diagram when the HCA 4k page
size is being used:
+-------------------------------------------+ <--- 64k aligned VA
| |
| HCA 4k page |
| |
+-------------------------------------------+
| o |
| |
| o |
| |
| o |
+-------------------------------------------+
| |
| HCA 4k page |
| |
+-------------------------------------------+ <--- Live HCA page
|OOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO| <--- offset
| | <--- VA
| MR data |
+-------------------------------------------+
| |
| HCA 4k page |
| |
+-------------------------------------------+
| o |
| |
| o |
| |
| o |
+-------------------------------------------+
| |
| HCA 4k page |
| |
+-------------------------------------------+
The VA addresses are coming from rdma-core in this diagram can be
arbitrary, but for 64k pages, the VA may be offset by some number of HCA
4k pages and followed by some number of HCA 4k pages.
The current iterator doesn't account for either the preceding 4k pages or
the following 4k pages.
Fix the issue by extending the ib_block_iter to contain the number of DMA
pages like comment [1] says and by using __sg_advance to start the
iterator at the first live HCA page.
The changes are contained in a parallel set of iterator start and next
functions that are umem aware and specific to umem since there is one user
of the rdma_for_each_block() without umem.
These two fixes prevents the extra pages before and after the user MR
data.
Fix the preceding pages by using the __sq_advance field to start at the
first 4k page containing MR data.
Fix the following pages by saving the number of pgsz blocks in the
iterator state and downcounting on each next.
This fix allows for the elimination of the small page crutch noted in the
Fixes.
Fixes: 10c75ccb54e4 ("RDMA/umem: Prevent small pages from being returned by ib_umem_find_best_pgsz()")
Link: https://lore.kernel.org/r/20231129202143.1434-2-shiraz.saleem@intel.com
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
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In some potential instances the reference count on struct packet_sock
could be saturated and cause overflows which gets the kernel a bit
confused. To prevent this, move to a 64-bit atomic reference count on
64-bit architectures to prevent the possibility of this type to overflow.
Because we can not handle saturation, using refcount_t is not possible
in this place. Maybe someday in the future if it changes it could be
used. Also, instead of using plain atomic64_t, use atomic_long_t instead.
32-bit machines tend to be memory-limited (i.e. anything that increases
a reference uses so much memory that you can't actually get to 2**32
references). 32-bit architectures also tend to have serious problems
with 64-bit atomics. Hence, atomic_long_t is the more natural solution.
Reported-by: "The UK's National Cyber Security Centre (NCSC)" <security@ncsc.gov.uk>
Co-developed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: stable@kernel.org
Reviewed-by: Willem de Bruijn <willemb@google.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20231201131021.19999-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd
Pull iommufd fixes from Jason Gunthorpe:
- A small fix for the dirty tracking self test to fail correctly if the
code is buggy
- Fix a tricky syzkaller race UAF with object reference counting
* tag 'for-linus-iommufd' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd:
iommufd: Do not UAF during iommufd_put_object()
iommufd: Add iommufd_ctx to iommufd_put_object()
iommufd/selftest: Fix _test_mock_dirty_bitmaps()
|
|
Pull vdpa fixes from Michael Tsirkin:
"Fixes in mlx5 and pds drivers"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
pds_vdpa: set features order
pds_vdpa: clear config callback when status goes to 0
pds_vdpa: fix up format-truncation complaint
vdpa/mlx5: preserve CVQ vringh index
|
|
Merge series from srinivas.kandagatla@linaro.org:
Limit the speaker digital gains to 0dB so that the users will not damage them.
Currently there is a limit in UCM, but this does not stop the user form
changing the digital gains from command line. So limit this in driver
which makes the speakers more safer without active speaker protection in
place.
Apart from this there is also a range check fix in snd_soc_limit_volume
to allow setting this limit correctly.
Tested on Lenovo X13s.
|
|
The rk3399-gru PCI node addresses are wrong.
In rk3399-gru-scarlet, the bus number in the address should be 0. This is
because bus number assignment is dynamic and not known up front. For FDT,
the bus number is simply ignored.
In rk3399-gru-chromebook, the addresses are simply invalid. The first
"reg" entry must be the configuration space for the device. The entry
should be all 0s except for device/slot and function numbers. The existing
64-bit memory space (0x83000000) entries are not valid because they must
have the BAR address in the lower byte of the first cell.
Warnings for these are enabled by adding the missing 'device_type = "pci"'
for the root port node.
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20231130191830.2424361-1-robh@kernel.org
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
|
|
Fix a number of issues in the cifs filesystem implementation of the FICLONE
ioctl in cifs_remap_file_range(). This is analogous to the previously
fixed bug in cifs_file_copychunk_range() and can share the helper
functions.
Firstly, the invalidation of the destination range is handled incorrectly:
We shouldn't just invalidate the whole file as dirty data in the file may
get lost and we can't just call truncate_inode_pages_range() to invalidate
the destination range as that will erase parts of a partial folio at each
end whilst invalidating and discarding all the folios in the middle. We
need to force all the folios covering the range to be reloaded, but we
mustn't lose dirty data in them that's not in the destination range.
Further, we shouldn't simply round out the range to PAGE_SIZE at each end
as cifs should move to support multipage folios.
Secondly, there's an issue whereby a write may have extended the file
locally, but not have been written back yet. This can leaves the local
idea of the EOF at a later point than the server's EOF. If a clone request
is issued, this will fail on the server with STATUS_INVALID_VIEW_SIZE
(which gets translated to -EIO locally) if the clone source extends past
the server's EOF.
Fix this by:
(0) Flush the source region (already done). The flush does nothing and
the EOF isn't moved if the source region has no dirty data.
(1) Move the EOF to the end of the source region if it isn't already at
least at this point. If we can't do this, for instance if the server
doesn't support it, just flush the entire source file.
(2) Find the folio (if present) at each end of the range, flushing it and
increasing the region-to-be-invalidated to cover those in their
entirety.
(3) Fully discard all the folios covering the range as we want them to be
reloaded.
(4) Then perform the extent duplication.
Thirdly, set i_size after doing the duplicate_extents operation as this
value may be used by various things internally. stat() hides the issue
because setting ->time to 0 causes cifs_getatr() to revalidate the
attributes.
These were causing the cifs/001 xfstest to fail.
Fixes: 04b38d601239 ("vfs: pull btrfs clone API to vfs layer")
Signed-off-by: David Howells <dhowells@redhat.com>
Cc: stable@vger.kernel.org
cc: Christoph Hellwig <hch@lst.de>
cc: Paulo Alcantara <pc@manguebit.com>
cc: Shyam Prasad N <nspmangalore@gmail.com>
cc: Rohith Surabattula <rohiths.msft@gmail.com>
cc: Matthew Wilcox <willy@infradead.org>
cc: Jeff Layton <jlayton@kernel.org>
cc: linux-cifs@vger.kernel.org
cc: linux-mm@kvack.org
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
|
|
Fix a number of issues in the cifs filesystem implementation of the
copy_file_range() syscall in cifs_file_copychunk_range().
Firstly, the invalidation of the destination range is handled incorrectly:
We shouldn't just invalidate the whole file as dirty data in the file may
get lost and we can't just call truncate_inode_pages_range() to invalidate
the destination range as that will erase parts of a partial folio at each
end whilst invalidating and discarding all the folios in the middle. We
need to force all the folios covering the range to be reloaded, but we
mustn't lose dirty data in them that's not in the destination range.
Further, we shouldn't simply round out the range to PAGE_SIZE at each end
as cifs should move to support multipage folios.
Secondly, there's an issue whereby a write may have extended the file
locally, but not have been written back yet. This can leaves the local
idea of the EOF at a later point than the server's EOF. If a copy request
is issued, this will fail on the server with STATUS_INVALID_VIEW_SIZE
(which gets translated to -EIO locally) if the copy source extends past the
server's EOF.
Fix this by:
(0) Flush the source region (already done). The flush does nothing and
the EOF isn't moved if the source region has no dirty data.
(1) Move the EOF to the end of the source region if it isn't already at
least at this point. If we can't do this, for instance if the server
doesn't support it, just flush the entire source file.
(2) Find the folio (if present) at each end of the range, flushing it and
increasing the region-to-be-invalidated to cover those in their
entirety.
(3) Fully discard all the folios covering the range as we want them to be
reloaded.
(4) Then perform the copy.
Thirdly, set i_size after doing the copychunk_range operation as this value
may be used by various things internally. stat() hides the issue because
setting ->time to 0 causes cifs_getatr() to revalidate the attributes.
These were causing the generic/075 xfstest to fail.
Fixes: 620d8745b35d ("Introduce cifs_copy_file_range()")
Cc: stable@vger.kernel.org
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Paulo Alcantara <pc@manguebit.com>
cc: Shyam Prasad N <nspmangalore@gmail.com>
cc: Rohith Surabattula <rohiths.msft@gmail.com>
cc: Matthew Wilcox <willy@infradead.org>
cc: Jeff Layton <jlayton@kernel.org>
cc: linux-cifs@vger.kernel.org
cc: linux-mm@kvack.org
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
|
|
The dfi binding does not specify interrupt names, with the interrupts
just specifying channels 0-x. So drop the unspecified property.
Fixes: 5a6976b1040a ("arm64: dts: rockchip: Add DFI to rk3588s")
Reported-by: Jagan Teki <jagan@edgeble.ai>
Signed-off-by: Heiko Stuebner <heiko.stuebner@cherry.de>
Link: https://lore.kernel.org/r/20231201134859.322491-1-heiko@sntech.de
|
|
Charlie Jenkins <charlie@rivosinc.com> says:
Module loading did not account for multiple threads concurrently loading
modules. This patch fixes that issue. There is also a small patch to fix
the type of a __le16 variable.
* b4-shazam-merge:
riscv: Correct type casting in module loading
riscv: Safely remove entries from relocation list
Link: https://lore.kernel.org/r/20231127-module_linking_freeing-v4-0-a2ca1d7027d0@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
|
|
Use __le16 with le16_to_cpu.
Fixes: 8fd6c5142395 ("riscv: Add remaining module relocations")
Signed-off-by: Charlie Jenkins <charlie@rivosinc.com>
Reviewed-by: Samuel Holland <samuel.holland@sifive.com>
Tested-by: Samuel Holland <samuel.holland@sifive.com>
Tested-by: Björn Töpel <bjorn@rivosinc.com>
Link: https://lore.kernel.org/r/20231127-module_linking_freeing-v4-2-a2ca1d7027d0@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
|
|
Use the safe versions of list and hlist iteration to safely remove
entries from the module relocation lists. To allow mutliple threads to
load modules concurrently, move relocation list pointers onto the stack
rather than using global variables.
Fixes: 8fd6c5142395 ("riscv: Add remaining module relocations")
Reported-by: Ron Economos <re@w6rz.net>
Closes: https://lore.kernel.org/linux-riscv/444de86a-7e7c-4de7-5d1d-c1c40eefa4ba@w6rz.net
Signed-off-by: Charlie Jenkins <charlie@rivosinc.com>
Tested-by: Björn Töpel <bjorn@rivosinc.com>
Link: https://lore.kernel.org/r/20231127-module_linking_freeing-v4-1-a2ca1d7027d0@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
|
|
If controller reset occurs when allocating namespace, both
nvme_reset_work and nvme_scan_work will hang, as shown below.
Test Scripts:
for ((t=1;t<=128;t++))
do
nsid=`nvme create-ns /dev/nvme1 -s 14537724 -c 14537724 -f 0 -m 0 \
-d 0 | awk -F: '{print($NF);}'`
nvme attach-ns /dev/nvme1 -n $nsid -c 0
done
nvme reset /dev/nvme1
We will find that both nvme_reset_work and nvme_scan_work hung:
INFO: task kworker/u249:4:17848 blocked for more than 120 seconds.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this
message.
task:kworker/u249:4 state:D stack: 0 pid:17848 ppid: 2
flags:0x00000028
Workqueue: nvme-reset-wq nvme_reset_work [nvme]
Call trace:
__switch_to+0xb4/0xfc
__schedule+0x22c/0x670
schedule+0x4c/0xd0
blk_mq_freeze_queue_wait+0x84/0xc0
nvme_wait_freeze+0x40/0x64 [nvme_core]
nvme_reset_work+0x1c0/0x5cc [nvme]
process_one_work+0x1d8/0x4b0
worker_thread+0x230/0x440
kthread+0x114/0x120
INFO: task kworker/u249:3:22404 blocked for more than 120 seconds.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this
message.
task:kworker/u249:3 state:D stack: 0 pid:22404 ppid: 2
flags:0x00000028
Workqueue: nvme-wq nvme_scan_work [nvme_core]
Call trace:
__switch_to+0xb4/0xfc
__schedule+0x22c/0x670
schedule+0x4c/0xd0
rwsem_down_write_slowpath+0x32c/0x98c
down_write+0x70/0x80
nvme_alloc_ns+0x1ac/0x38c [nvme_core]
nvme_validate_or_alloc_ns+0xbc/0x150 [nvme_core]
nvme_scan_ns_list+0xe8/0x2e4 [nvme_core]
nvme_scan_work+0x60/0x500 [nvme_core]
process_one_work+0x1d8/0x4b0
worker_thread+0x260/0x440
kthread+0x114/0x120
INFO: task nvme:28428 blocked for more than 120 seconds.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this
message.
task:nvme state:D stack: 0 pid:28428 ppid: 27119
flags:0x00000000
Call trace:
__switch_to+0xb4/0xfc
__schedule+0x22c/0x670
schedule+0x4c/0xd0
schedule_timeout+0x160/0x194
do_wait_for_common+0xac/0x1d0
__wait_for_common+0x78/0x100
wait_for_completion+0x24/0x30
__flush_work.isra.0+0x74/0x90
flush_work+0x14/0x20
nvme_reset_ctrl_sync+0x50/0x74 [nvme_core]
nvme_dev_ioctl+0x1b0/0x250 [nvme_core]
__arm64_sys_ioctl+0xa8/0xf0
el0_svc_common+0x88/0x234
do_el0_svc+0x7c/0x90
el0_svc+0x1c/0x30
el0_sync_handler+0xa8/0xb0
el0_sync+0x148/0x180
The reason for the hang is that nvme_reset_work occurs while nvme_scan_work
is still running. nvme_scan_work may add new ns into ctrl->namespaces
list after nvme_reset_work frozen all ns->q in ctrl->namespaces list.
The newly added ns is not frozen, so nvme_wait_freeze will wait forever.
Unfortunately, ctrl->namespaces_rwsem is held by nvme_reset_work, so
nvme_scan_work will also wait forever. Now we are deadlocked!
PROCESS1 PROCESS2
============== ==============
nvme_scan_work
... nvme_reset_work
nvme_validate_or_alloc_ns nvme_dev_disable
nvme_alloc_ns nvme_start_freeze
down_write ...
nvme_ns_add_to_ctrl_list ...
up_write nvme_wait_freeze
... down_read
nvme_alloc_ns blk_mq_freeze_queue_wait
down_write
Fix by marking the ctrl with say NVME_CTRL_FROZEN flag set in
nvme_start_freeze and cleared in nvme_unfreeze. Then the scan can check
it before adding the new namespace (under the namespaces_rwsem).
Signed-off-by: Bitao Hu <yaoma@linux.alibaba.com>
Reviewed-by: Guixin Liu <kanie@linux.alibaba.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Keith Busch <kbusch@kernel.org>
|
|
This patch fixes the smatch warning, "nvmet_ns_ana_grpid_store() warn:
potential spectre issue 'nvmet_ana_group_enabled' [w] (local cap)"
Prevent the contents of kernel memory from being leaked to user space
via speculative execution by using array_index_nospec.
Signed-off-by: Nitesh Shetty <nj.shetty@samsung.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Keith Busch <kbusch@kernel.org>
|
|
Currently two similar config options NVME_HOST_AUTH and NVME_TARGET_AUTH
have almost same descriptions. It is confusing to choose them in
menuconfig. Improve the descriptions to distinguish them.
Signed-off-by: Shin'ichiro Kawasaki <shinichiro.kawasaki@wdc.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Keith Busch <kbusch@kernel.org>
|
|
This can be an expensive call on some kernel configs. Move it to the end
after checking the cheaper ways to determine if the command is allowed.
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Keith Busch <kbusch@kernel.org>
|
|
A different CPU may be setting the ctrl->state value, so ensure proper
barriers to prevent optimizing to a stale state. Normally it isn't a
problem to observe the wrong state as it is merely advisory to take a
quicker path during initialization and error recovery, but seeing an old
state can report unexpected ENETRESET errors when a reset request was in
fact successful.
Reported-by: Minh Hoang <mh2022@meta.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Hannes Reinecke <hare@suse.de>
|
|
The controller state is typically written by another CPU, so reading it
should ensure no optimizations are taken. This is a repeated pattern in
the driver, so start with adding a convenience function that returns the
controller state with READ_ONCE().
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Keith Busch <kbusch@kernel.org>
|
|
Limit the speaker digital gains to 0dB so that the users will not damage them.
Currently there is a limit in UCM, but this does not stop the user form
changing the digital gains from command line. So limit this in driver
which makes the speakers more safer without active speaker protection in
place.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Reviewed-by: Johan Hovold <johan+linaro@kernel.org>
Tested-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20231204124736.132185-3-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
|
|
Volume can have ranges that start with negative values, ex: -84dB to
+40dB. Apply correct range check in snd_soc_limit_volume before setting
the platform_max. Without this patch, for example setting a 0dB limit on
a volume range of -84dB to +40dB would fail.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Tested-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20231204124736.132185-2-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
|
|
Lenovo M90 Gen5 is equipped with ALC897, and it needs
ALC897_FIXUP_HEADSET_MIC_PIN quirk to make its headset mic work.
Signed-off-by: Bin Li <bin.li@canonical.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20231204100450.642783-1-bin.li@canonical.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
|
|
XPS 9530 has 2 tweeters and 2 subwoofers powered by CS35L41 amplifier, SPI
connected. For subwoofers to work, it requires both to enable amplifier
support, and to enable output to subwoofers via 0x17 quirk (similalry to
XPS 9510/9520).
Signed-off-by: Aleksandrs Vinarskis <alex.vinarskis@gmail.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20231203233006.100558-1-alex.vinarskis@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
|
|
These values mirror those of the Pioneer DJM-250MK2 as the channel layout
appears identical based on my observations. This duplication could be removed in
later contributions if desired.
Signed-off-by: Sarah Grant <s@srd.tw>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20231201181654.5058-1-s@srd.tw
Signed-off-by: Takashi Iwai <tiwai@suse.de>
|
|
When typec_altmode_put_partner is called by a plug altmode upon release,
the port altmode the plug belongs to will not remove its reference to the
plug. The check to see if the altmode being released evaluates against the
released altmode's partner instead of the calling altmode itself, so change
adev in typec_altmode_put_partner to properly refer to the altmode being
released.
typec_altmode_set_partner is not run for port altmodes, so also add a check
in typec_altmode_release to prevent typec_altmode_put_partner() calls on
port altmode release.
Fixes: 8a37d87d72f0 ("usb: typec: Bus type for alternate modes")
Cc: stable@vger.kernel.org
Signed-off-by: RD Babiera <rdbabiera@google.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20231129192349.1773623-2-rdbabiera@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
|
|
The KOBJ_CHANGE uevent is sent before gadget unbind is actually
executed, resulting in inaccurate uevent emitted at incorrect timing
(the uevent would have USB_UDC_DRIVER variable set while it would
soon be removed).
Move the KOBJ_CHANGE uevent to the end of the unbind function so that
uevent is sent only after the change has been made.
Fixes: 2ccea03a8f7e ("usb: gadget: introduce UDC Class")
Cc: stable@vger.kernel.org
Signed-off-by: Roy Luo <royluo@google.com>
Link: https://lore.kernel.org/r/20231128221756.2591158-1-royluo@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
|
|
devm_hwmon_device_register_with_groups() returns an error pointer upon
failure. Check its return value for errors.
Compile-tested only.
Fixes: 1a218d312e65 ("platform/mellanox: mlxbf-pmc: Add Mellanox BlueField PMC driver")
Suggested-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Suggested-by: Vadim Pasternak <vadimp@nvidia.com>
Signed-off-by: Kunwu Chan <chentao@kylinos.cn>
Reviewed-by: Vadim Pasternak <vadimp@nvidia.com>
Link: https://lore.kernel.org/r/20231201055447.2356001-1-chentao@kylinos.cn
[ij: split the change into two]
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
|
|
devm_kasprintf() returns a pointer to dynamically allocated memory
which can be NULL upon failure.
Compile-tested only.
Fixes: 1a218d312e65 ("platform/mellanox: mlxbf-pmc: Add Mellanox BlueField PMC driver")
Suggested-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Suggested-by: Vadim Pasternak <vadimp@nvidia.com>
Signed-off-by: Kunwu Chan <chentao@kylinos.cn>
Reviewed-by: Vadim Pasternak <vadimp@nvidia.com>
Link: https://lore.kernel.org/r/20231201055447.2356001-1-chentao@kylinos.cn
[ij: split the change into two]
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
|
|
When wm_adsp_buffer_read() fails, we should free buf->regions.
Otherwise, the callers of wm_adsp_buffer_populate() will
directly free buf on failure, which makes buf->regions a leaked
memory.
Fixes: a792af69b08f ("ASoC: wm_adsp: Refactor compress stream initialisation")
Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
Reviewed-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20231204074158.12026-1-dinghao.liu@zju.edu.cn
Signed-off-by: Mark Brown <broonie@kernel.org>
|
|
Change the default MIC detection impedance threshold to 200ohm
to support low mic DC impedance headset.
Signed-off-by: David Rau <David.Rau.opensource@dm.renesas.com>
Link: https://lore.kernel.org/r/20231201042933.26392-1-David.Rau.opensource@dm.renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
|
|
This commit adds support for Huawei MateBook D16 2021
with Ryzen 4600H in driver acp3x-es83xx.
Signed-off-by: Marian Postevca <posteuca@mutex.one>
Link: https://lore.kernel.org/r/20231202223001.8025-1-posteuca@mutex.one
Signed-off-by: Mark Brown <broonie@kernel.org>
|
|
The secure boot state of the BlueField SoC is represented by two bits:
0 = production state
1 = secure boot enabled
2 = non-secure (secure boot disabled)
3 = RMA state
There is also a single bit to indicate whether production keys or
development keys are being used when secure boot is enabled.
This single bit (specified by MLXBF_BOOTCTL_SB_DEV_MASK) only has
meaning if secure boot state equals 1 (secure boot enabled).
The secure boot states are as follows:
- “GA secured” is when secure boot is enabled with official production keys.
- “Secured (development)” is when secure boot is enabled with development keys.
Without this fix “GA Secured” is displayed on development cards which is
misleading. This patch updates the logic in "lifecycle_state_show()" to
handle the case where the SoC is configured for secure boot and is using
development keys.
Fixes: 79e29cb8fbc5c ("platform/mellanox: Add bootctl driver for Mellanox BlueField Soc")
Reviewed-by: Khalil Blaiech <kblaiech@nvidia.com>
Signed-off-by: David Thompson <davthompson@nvidia.com>
Link: https://lore.kernel.org/r/20231130183515.17214-1-davthompson@nvidia.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
|
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Since commit 0ec7731655de ("regmap: Ensure range selector registers
are updated after cache sync") opening pcm512x based soundcards fail
with EINVAL and dmesg shows sync cache and pm_runtime_get errors:
[ 228.794676] pcm512x 1-004c: Failed to sync cache: -22
[ 228.794740] pcm512x 1-004c: ASoC: error at snd_soc_pcm_component_pm_runtime_get on pcm512x.1-004c: -22
This is caused by the cache check result leaking out into the
regcache_sync return value.
Fix this by making the check local-only, as the comment above the
regcache_read call states a non-zero return value means there's
nothing to do so the return value should not be altered.
Fixes: 0ec7731655de ("regmap: Ensure range selector registers are updated after cache sync")
Cc: stable@vger.kernel.org
Signed-off-by: Matthias Reichl <hias@horus.com>
Link: https://lore.kernel.org/r/20231203222216.96547-1-hias@horus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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