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The "err" is always zero, so the following branch can never be executed:
if (err) {
ndev->stats.rx_dropped++;
kfree_skb(skb);
}
Therefore, the "if" statement can be removed.
Use "ndev->stats.rx_errors" to count "napi_build_skb()" failure
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Reviewed-by: Oleksij Rempel <o.rempel@pengutronix.de>
Link: https://lore.kernel.org/20240911135828.378317-1-usama.anjum@collabora.com
Signed-off-by: Qianqiang Liu <qianqiang.liu@163.com>
Link: https://patch.msgid.link/20240913014731.149739-1-qianqiang.liu@163.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next
Luiz Augusto von Dentz says:
====================
bluetooth-next pull request for net-next:
- btusb: Add MediaTek MT7925-B22M support ID 0x13d3:0x3604
- btusb: Add Realtek RTL8852C support ID 0x0489:0xe122
- btrtl: Add the support for RTL8922A
- btusb: Add 2 USB HW IDs for MT7925 (0xe118/e)
- btnxpuart: Add support for ISO packets
- btusb: Add Mediatek MT7925 support ID 0x13d3:0x3608
- btsdio: Do not bind to non-removable CYW4373
- hci_uart: Add support for Amlogic HCI UART
* tag 'for-net-next-2024-09-12' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next: (27 commits)
Bluetooth: btintel_pcie: Allocate memory for driver private data
Bluetooth: btusb: Fix not handling ZPL/short-transfer
Bluetooth: btusb: Add 2 USB HW IDs for MT7925 (0xe118/e)
Bluetooth: btsdio: Do not bind to non-removable CYW4373
Bluetooth: hci_sync: Ignore errors from HCI_OP_REMOTE_NAME_REQ_CANCEL
Bluetooth: CMTP: Mark BT_CMTP as DEPRECATED
Bluetooth: replace deprecated strncpy with strscpy_pad
Bluetooth: hci_core: Fix sending MGMT_EV_CONNECT_FAILED
Bluetooth: btrtl: Set msft ext address filter quirk for RTL8852B
Bluetooth: Use led_set_brightness() in LED trigger activate() callback
Bluetooth: btrtl: Use kvmemdup to simplify the code
Bluetooth: btusb: Add Mediatek MT7925 support ID 0x13d3:0x3608
Bluetooth: btrtl: Add the support for RTL8922A
Bluetooth: hci_ldisc: Use speed set by btattach as oper_speed
Bluetooth: hci_conn: Remove redundant memset after kzalloc
Bluetooth: L2CAP: Remove unused declarations
dt-bindings: bluetooth: bring the HW description closer to reality for wcn6855
Bluetooth: btnxpuart: Add support for ISO packets
Bluetooth: hci_h4: Add support for ISO packets in h4_recv.h
Bluetooth: btusb: Add Realtek RTL8852C support ID 0x0489:0xe122
...
====================
Link: https://patch.msgid.link/20240912214317.3054060-1-luiz.dentz@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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During the introduction of struct bpf_net_context handling for
XDP-redirect, the netkit driver has been missed, which also requires it
because NETKIT_REDIRECT invokes skb_do_redirect() which is accessing the
per-CPU variables. Otherwise we see the following crash:
BUG: kernel NULL pointer dereference, address: 0000000000000038
bpf_redirect()
netkit_xmit()
dev_hard_start_xmit()
Set the bpf_net_context before invoking netkit_xmit() program within the
netkit driver.
Fixes: 401cb7dae813 ("net: Reference bpf_redirect_info via task_struct on PREEMPT_RT.")
Signed-off-by: Breno Leitao <leitao@debian.org>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Reviewed-by: Toke Høiland-Jørgensen <toke@redhat.com>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Acked-by: Martin KaFai Lau <martin.lau@kernel.org>
Link: https://patch.msgid.link/20240912155620.1334587-1-leitao@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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In cases when synchronizing DMA operations is necessary,
xsk_buff_alloc_batch() returns a single buffer instead of the requested
count. This puts the pressure on drivers that use batch API as they have
to check for this corner case on their side and take care of allocations
by themselves, which feels counter productive. Let us improve the core
by looping over xp_alloc() @max times when slow path needs to be taken.
Another issue with current interface, as spotted and fixed by Dries, was
that when driver called xsk_buff_alloc_batch() with @max == 0, for slow
path case it still allocated and returned a single buffer, which should
not happen. By introducing the logic from first paragraph we kill two
birds with one stone and address this problem as well.
Fixes: 47e4075df300 ("xsk: Batched buffer allocation for the pool")
Reported-and-tested-by: Dries De Winter <ddewinter@synamedia.com>
Co-developed-by: Dries De Winter <ddewinter@synamedia.com>
Signed-off-by: Dries De Winter <ddewinter@synamedia.com>
Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Acked-by: Magnus Karlsson <magnus.karlsson@intel.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Link: https://patch.msgid.link/20240911191019.296480-1-maciej.fijalkowski@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Pull pci fix from Bjorn Helgaas:
- Prevent a possible deadlock (reported by lockdep) when a driver
relinquishes a pci_dev, another driver claims it, and one uses
managed pcim_enable_device() and the other doesn't (Philipp Stanner)
* tag 'pci-v6.11-fixes-4' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci:
PCI: Fix potential deadlock in pcim_intx()
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"A few last minute fixes for v6.11, they're all individually
unremarkable and only last minute due to when they came in"
* tag 'spi-fix-v6.11-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: nxp-fspi: fix the KASAN report out-of-bounds bug
spi: geni-qcom: Fix incorrect free_irq() sequence
spi: geni-qcom: Undo runtime PM changes at driver exit time
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When CONFIG_TRACEPOINTS=y but CONFIG_PAGE_POOL=n, we end up with this
build failure that is reported by the 0-day bot:
ld: vmlinux.o: in function `mp_dmabuf_devmem_alloc_netmems':
>> (.text+0xc37286): undefined reference to `__tracepoint_page_pool_state_hold'
>> ld: (.text+0xc3729a): undefined reference to `__SCT__tp_func_page_pool_state_hold'
>> ld: vmlinux.o:(__jump_table+0x10c48): undefined reference to `__tracepoint_page_pool_state_hold'
>> ld: vmlinux.o:(.static_call_sites+0xb824): undefined reference to `__SCK__tp_func_page_pool_state_hold'
The root cause is that in this configuration, traces are enabled but the
page_pool specific trace_page_pool_state_hold is not registered.
There is no reason to build the dmabuf memory provider when
CONFIG_PAGE_POOL is not present, as it's really a provider to the
page_pool.
In fact the whole NET_DEVMEM is RX path-only at the moment, so we can
make the entire config dependent on the PAGE_POOL.
Note that this may need to be revisited after/while devmem TX is
added, as devmem TX likely does not need CONFIG_PAGE_POOL. For now this
build fix is sufficient.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202409131239.ysHQh4Tv-lkp@intel.com/
Signed-off-by: Mina Almasry <almasrymina@google.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Simon Horman <horms@kernel.org> # build-tested
Link: https://patch.msgid.link/20240913060746.2574191-1-almasrymina@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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In the function soc_tplg_dai_config, the logical jump
of 'goto err' is redundant, so remove it.
Signed-off-by: Tang Bin <tangbin@cmss.chinamobile.com>
Link: https://patch.msgid.link/20240908140259.3859-1-tangbin@cmss.chinamobile.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire
Pull soundwire fix from Vinod Koul:
- Revert of earlier fix sent for non-continuous port map programming
which caused regression on Intel platforms
* tag 'soundwire-6.11-fixes_2' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire:
soundwire: stream: Revert "soundwire: stream: fix programming slave ports for non-continous port maps"
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This file does not compile because <linux/mfd/sm5703.h> is missing.
In KConfig, it depends on MFD_SM5703.
Both MFD_SM5703 and the missing include rely on another patch that never
got merged. The last iteration related to this patch is [1].
So remove this dead-code and undo commit e8858ba89ca3 ("regulator:
sm5703-regulator: Add regulators support for SM5703 MFD")
[1]: https://lore.kernel.org/lkml/20220423085319.483524-5-markuss.broks@gmail.com/
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://patch.msgid.link/0f5da91a05e7343d290c88e3c583b674cf6219ac.1725910247.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Mark Brown <broonie@kernel.org>
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Pull drm fixes from Dave Airlie:
"Regular fixes pull, the amdgpu JPEG engine fixes are probably the
biggest, they look to block some register accessing, otherwise there
are just minor fixes and regression fixes all over.
nouveau had a regression report going back a few kernels that finally
got fixed, Not entirely happy with so many changes so late, but they
all seem quite benign apart from the jpeg one.
dma-buf/heaps:
- fix off by one in CMA heap fault handler
syncobj:
- fix syncobj leak in drm_syncobj_eventfd_ioctl
amdgpu:
- Avoid races between set_drr() functions and dc_state_destruct()
- Fix regerssion related to zpos
- Fix regression related to overlay cursor
- SMU 14.x updates
- JPEG fixes
- Silence an UBSAN warning
amdkfd:
- Fetch cacheline size from IP discovery
i915:
- Prevent a possible int overflow in wq offsets
xe:
- Remove a double include
- Fix null checks and UAF
- Fix access_ok check in user_fence_create
- Fix compat IS_DISPLAY_STEP() range
- OA fix
- Fixes in show_meminfo
nouveau:
- fix GP10x regression on boot
stm:
- add COMMON_CLK dep
rockchip:
- iommu api change
tegra:
- iommu api change"
* tag 'drm-fixes-2024-09-13' of https://gitlab.freedesktop.org/drm/kernel: (25 commits)
drm/xe/client: add missing bo locking in show_meminfo()
drm/xe/client: fix deadlock in show_meminfo()
drm/xe/oa: Enable Xe2+ PES disaggregation
drm/xe/display: fix compat IS_DISPLAY_STEP() range end
drm/xe: Fix access_ok check in user_fence_create
drm/xe: Fix possible UAF in guc_exec_queue_process_msg
drm/xe: Remove fence check from send_tlb_invalidation
drm/xe/gt: Remove double include
drm/amd/display: Add all planes on CRTC to state for overlay cursor
drm/amdgpu/atomfirmware: Silence UBSAN warning
drm/amd/amdgpu: apply command submission parser for JPEG v1
drm/amd/amdgpu: apply command submission parser for JPEG v2+
drm/amd/pm: fix the pp_dpm_pcie issue on smu v14.0.2/3
drm/amd/pm: update the features set on smu v14.0.2/3
drm/amd/display: Do not reset planes based on crtc zpos_changed
drm/amd/display: Avoid race between dcn35_set_drr() and dc_state_destruct()
drm/amd/display: Avoid race between dcn10_set_drr() and dc_state_destruct()
drm/amdkfd: Add cache line size info
drm/tegra: Use iommu_paging_domain_alloc()
drm/rockchip: Use iommu_paging_domain_alloc()
...
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_regulator_get() contains a lot of common code doing checks prior to the
regulator lookup and housekeeping work after the lookup. Almost all the
code could be shared with a OF-specific variant of _regulator_get().
Split out the common parts so that they can be reused. The OF-specific
version of _regulator_get() will be added in a subsequent patch.
No functional changes were made.
Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://patch.msgid.link/20240911072751.365361-4-wenst@chromium.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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Add calibration related kcontrol for speaker impedance calibration and
speaker leakage check for Chromebook.
Signed-off-by: Shenghao Ding <shenghao-ding@ti.com>
Link: https://patch.msgid.link/20240911232739.1509-1-shenghao-ding@ti.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Merge series from Vijendar Mukunda <Vijendar.Mukunda@amd.com>:
This patch series moves common Soundwire endpoint parsing and dai
creation logic to common placeholder from Intel generic SoundWire
machine driver code to make it generic. AMD SoundWire machine driver
code is refactored to use these functions for SoundWire endpoint
parsing and dai creation logic.
Link: https://github.com/thesofproject/linux/pull/5171
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for-6.12/block
Pull NVMe fixes from Keith:
"nvme fixes for Linux 6.12
- A syntax cleanup (Shen)
- Fix a Kconfig linking error (Arnd)
- New queue-depth quirk (Keith)"
* tag 'nvme-6.12-2024-09-13' of git://git.infradead.org/nvme:
nvme-pci: qdepth 1 quirk
nvme-tcp: fix link failure for TCP auth
nvme: Convert comma to semicolon
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Another device has been reported to be unreliable if we have more than
one outstanding command. In this new case, data corruption may occur.
Since we have two devices now needing this quirky behavior, make a
generic quirk flag.
The same Apple quirk is clearly not "temporary", so update the comment
while moving it.
Link: https://lore.kernel.org/linux-nvme/191d810a4e3.fcc6066c765804.973611676137075390@collabora.com/
Reported-by: Robert Beckett <bob.beckett@collabora.com>
Reviewed-by: Christoph Hellwig hch@lst.de>
Signed-off-by: Keith Busch <kbusch@kernel.org>
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Refactor Soundwire machine driver code by using common SoundWire
endpoint parsing helper functions.
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://patch.msgid.link/20240913090631.1834543-6-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Move SoundWire endpoint parsing helper functions to common place holder.
These functions will be used by other platform machine driver code.
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://patch.msgid.link/20240913090631.1834543-5-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Move Soundwire endpoint and dai link structures from Intel generic machine
driver code to common place holder(soc_sdw_utils.h). These structures will
be used in other platform SoundWire machine driver code.
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://patch.msgid.link/20240913090631.1834543-4-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Rename SoundWire parsing helper functions with 'asoc_sdw' tag
to make it generic.
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://patch.msgid.link/20240913090631.1834543-3-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Rename SoundWire endpoint and dai link structures with asoc tag to make it
generic.
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://patch.msgid.link/20240913090631.1834543-2-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Use the new cmpxchg_emu_u8() to emulate one-byte cmpxchg() on xtensa.
[ paulmck: Apply kernel test robot feedback. ]
[ paulmck: Drop two-byte support per Arnd Bergmann feedback. ]
[ Apply Geert Uytterhoeven feedback. ]
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Tested-by: Yujie Liu <yujie.liu@intel.com>
Cc: Andi Shyti <andi.shyti@linux.intel.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: "Peter Zijlstra (Intel)" <peterz@infradead.org>
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Use the new cmpxchg_emu_u8() to emulate one-byte cmpxchg() on sh.
[ paulmck: Drop two-byte support per Arnd Bergmann feedback. ]
[ paulmck: Apply feedback from Naresh Kamboju. ]
[ Apply Geert Uytterhoeven feedback. ]
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Cc: Andi Shyti <andi.shyti@linux.intel.com>
Cc: Palmer Dabbelt <palmer@rivosinc.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: <linux-sh@vger.kernel.org>
Acked-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
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Use the new cmpxchg_emu_u8() to emulate one-byte cmpxchg() on arc.
[ paulmck: Drop two-byte support per Arnd Bergmann feedback. ]
[ paulmck: Apply feedback from Naresh Kamboju. ]
[ paulmck: Apply kernel test robot feedback. ]
[ paulmck: Apply feedback from Vineet Gupta. ]
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Cc: Andi Shyti <andi.shyti@linux.intel.com>
Cc: Andrzej Hajda <andrzej.hajda@intel.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Palmer Dabbelt <palmer@rivosinc.com>
Cc: <linux-snps-arc@lists.infradead.org>
Acked-by: Vineet Gupta <vgupta@kernel.org>
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Avoid removing these controls, as doing so can cause issues if the stream
is initiated from another control. Ensure these controls remain intact when
the stream is started or finished. Instead of removing them, return an
-EBUSY error code to indicate that the controller is busy, especially when
the audio filter and the SINC filter are in use.
[andrei.simion@microchip.com: Reword the commit title and the commit
message. Replace spinlock and busy variable with atomic_t busy_stream.]
Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
Signed-off-by: Andrei Simion <andrei.simion@microchip.com>
Link: https://patch.msgid.link/20240913120621.79088-1-andrei.simion@microchip.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Some comments here are referring to a non-existent
regulator_ops::get_voltage_vsel() where ::get_voltage_sel() is meant,
and similar for ::set_voltage_vsel() / ::set_voltage_sel().
Update the comments.
Signed-off-by: André Draszik <andre.draszik@linaro.org>
Link: https://patch.msgid.link/20240913-regulator-typos-v1-1-92781c93f638@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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Use irq_get_trigger_type() to replace irq_get_irq_data() and then
irqd_get_trigger_type(), if the irq data is NULL it will return 0.
Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Link: https://patch.msgid.link/20240913013503.3754712-1-ruanjinjie@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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In case vmmc or vqmmc regulator is not available yet, use dev_err_probe
in order to set a deferred probe reason. This is a helpful hint in
/sys/kernel/debug/devices_deferred
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Link: https://lore.kernel.org/r/20240911090910.3060749-1-alexander.stein@ew.tq-group.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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The size of the mux stride was off by one, which could result in
invalid pin configuration on the device side or invalid state
readings on the software side.
While on it also update the code and:
- Increase the mux stride size to 16
- Align the virtual muxed regmap range to 16
- Start the regmap window at the selector
- Mark reserved registers as not-readable
Fixes: 8670de9fae49 ("pinctrl: cy8c95x0: Use regmap ranges")
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reported-by: Andy Shevchenko <andy@kernel.org>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Link: https://lore.kernel.org/20240902072859.583490-1-patrick.rudolph@9elements.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/pinctrl/intel into fixes
intel-pinctrl for v6.11-1
This includes a new ACPI ID that is added to the Intel Meteor Lake
driver to support recent Intel Arrow Lake hardware.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Adds support for GB2Pro Arc variant (NP950XEE) based on successful
test and information provided by Github user drewdrew0 [1].
[1]: https://github.com/thesofproject/linux/issues/4055#issuecomment-2346890020
Signed-off-by: Joshua Grisham <josh@joshuagrisham.com>
Link: https://patch.msgid.link/20240913080055.10807-1-josh@joshuagrisham.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Return EINVAL if the snprintf check fails when constructing the
algorithm names.
Fixes: 8c20982caca4 ("crypto: n2 - Silence gcc format-truncation false positive warnings")
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/r/202409090726.TP0WfY7p-lkp@intel.com/
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Instead of directly casting and returning (void *) pointer, use ERR_CAST
to explicitly return an error-valued pointer. This makes the error handling
more explicit and improves code clarity.
Signed-off-by: Chen Yufan <chenyufan@vivo.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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When entering the "len & sizeof(u32)" branch, len must be less than 8.
So after one operation, len must be less than 4.
At this time, "len -= sizeof(u32)" is not necessary for 64-bit CPUs.
After that, replace `while' loops with equivalent `for' to make the
code structure a little bit better by the way.
Suggested-by: Maciej W. Rozycki <macro@orcam.me.uk>
Link: https://lore.kernel.org/all/alpine.DEB.2.21.2406281713040.43454@angie.orcam.me.uk/
Suggested-by: Herbert Xu <herbert@gondor.apana.org.au>
Link: https://lore.kernel.org/all/ZtqZpzMH_qMQqzyc@gondor.apana.org.au/
Signed-off-by: Guan Wentao <guanwentao@uniontech.com>
Signed-off-by: WangYuli <wangyuli@uniontech.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The qcom-rng driver supports both ACPI and device tree based systems.
Let's rename all instances of *of_data to *match_data so that it's
not implied that this driver only supports device tree-based systems.
Signed-off-by: Brian Masney <bmasney@redhat.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The qcom-rng driver supports both ACPI and device tree-based systems.
ACPI support was broken when the hw_random interface support was added.
Let's go ahead and fix this by adding the appropriate driver data to the
ACPI match table, and change the of_device_get_match_data() call to
device_get_match_data() so that it will also work on ACPI-based systems.
This fix was boot tested on a Qualcomm Amberwing server (ACPI based) and
on a Qualcomm SA8775p Automotive Development Board (DT based). I also
verified that qcom-rng shows up in /proc/crypto on both systems.
Fixes: f29cd5bb64c2 ("crypto: qcom-rng - Add hw_random interface support")
Reported-by: Ernesto A. Fernández <ernesto.mnd.fernandez@gmail.com>
Closes: https://lore.kernel.org/linux-arm-msm/20240828184019.GA21181@eaf/
Cc: stable@vger.kernel.org
Signed-off-by: Brian Masney <bmasney@redhat.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Document SA8255p compatible for the True Random Number Generator.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Nikunj Kela <quic_nkela@quicinc.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The code in crypto_aegis128_process_crypt() had an indentation
issue where spaces were used instead of tabs. This commit
corrects the indentation to use tabs, adhering to the
Linux kernel coding style guidelines.
Issue reported by checkpatch:
- ERROR: code indent should use tabs where possible
No functional changes are intended.
Signed-off-by: Riyan Dhiman <riyandhiman14@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Roger Quadros says:
====================
net: ethernet: ti: am65-cpsw: Add multi queue RX support
am65-cpsw can support up to 8 queues at Rx. So far we have
been using only one queue (i.e. default flow) for all RX traffic.
This series adds multi-queue support. The driver starts with
1 RX queue by default. User can increase the RX queues via ethtool,
e.g. 'ethtool -L ethx rx <N>'
The series also adds regmap and regfield support to some of the
ALE registers. It adds Policer/Classifier registers and fields.
Converting the existing ALE control APIs to regfields can be a separate
exercise.
Some helper functions are added to read/write to the Policer/Classifier
registers and a default Classifier setup function is added that
routes packets based on their PCP/DSCP priority to different RX queues.
Signed-off-by: Roger Quadros <rogerq@kernel.org>
---
Changes in v4:
- Use single macro AM65_CPSW_MAX_QUEUES for both TX and RX queues
to simplify code
- reuse am65_cpsw_get/set_per_queue_coalesce for am65_cpsw_get/set_coalesce.
- return -EINVAL if unsupported tx/rx_coalesce_usecs in
am65_cpsw_set_coalesce.
- reverse Xmas tree declaration order fixes in cpsw_ale
- Link to v3: https://lore.kernel.org/r/20240703-am65-cpsw-multi-rx-v3-0-f11cd860fd72@kernel.org
Changes in v3:
- code style fixes
- squashed patches 5 and 6
- added comment about priority to thread mapping table.
- Added Reviewed-by Simon Horman.
- Link to v2: https://lore.kernel.org/r/20240628-am65-cpsw-multi-rx-v2-0-c399cb77db56@kernel.org
Changes in v2:
- rebase to net/next
- fixed RX stall issue during iperf
- Link to v1: https://lore.kernel.org/r/20240606-am65-cpsw-multi-rx-v1-0-0704b0cb6fdc@kernel.org
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Now that we support multiple RX queues, enable default priority
to flow mapping so that higher priority packets come on higher
channels (flows).
The Classifier checks for PCP/DSCP priority in the packet and
routes them to the appropriate flow.
Signed-off-by: Roger Quadros <rogerq@kernel.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The Policer registers in the ALE register space are just shadow registers
and use an index field in the policer table control register to read/write
to the actual Polier registers.
Add helper functions to Read and Write to Policer registers.
Also add a helper function to set the thread value to classifier/policer
mapping. Any packet that first matches the classifier will be sent to the
thread (flow) that is set in the classifier to thread mapping table.
If not set then it goes to the default flow.
Default behaviour is to have 8 classifiers to map 8 DSCP/PCP
priorities to N receive threads (flows). N depends on number of
RX channels enabled for the port.
As per the standard [1] User prioritie 1 (Background) and 2 (Spare) have
lower priority than the user priority 0 (default). User priority 1 being
of the lowest priority.
[1] IEEE802.1D-2004, IEEE Standard for Local and metropolitan area networks
Table G-2 - Traffic type acronyms
Table G-3 - Defining traffic types
Signed-off-by: Roger Quadros <rogerq@kernel.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Adds regfileds for Policer registers and Thread mapping/control registers.
Signed-off-by: Roger Quadros <rogerq@kernel.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use regfields for number of ALE Entries and Policers.
The variants that support Policers/Classifiers have the number
of policers encoded in the ALE_STATUS register.
Use that and show the number of Policers in the ALE info message.
Signed-off-by: Roger Quadros <rogerq@kernel.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Map the entire ALE registerspace using regmap.
Add regfields for Major and Minor Version fields.
Signed-off-by: Roger Quadros <rogerq@kernel.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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am65-cpsw can support up to 8 queues at Rx.
Use a macro AM65_CPSW_MAX_RX_QUEUES to indicate that.
As there is only one DMA channel for RX traffic, the
8 queues come as 8 flows in that channel.
By default, we will start with 1 flow as defined by the
macro AM65_CPSW_DEFAULT_RX_CHN_FLOWS.
User can change the number of flows by ethtool like so
'ethtool -L ethx rx <N>'
All traffic will still come on flow 0. To get traffic on
different flows the Classifiers will need to be set up.
Signed-off-by: Roger Quadros <rogerq@kernel.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Merge kmem_cache_create() refactoring by Christian Brauner.
Note this includes a merge of the vfs.file tree that contains the
prerequisity kmem_cache_create_rcu() work.
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Merge most of SLUB feature work for 6.12:
- Barrier for pending kfree_rcu() in kmem_cache_destroy() and associated
refactoring of the destroy path (Vlastimil Babka)
- CONFIG_SLUB_RCU_DEBUG to allow KASAN catching UAF bugs in
SLAB_TYPESAFE_BY_RCU caches (Jann Horn)
- kmem_cache_charge() for delayed kmemcg charging (Shakeel Butt)
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As kmem_cache_create() became a _Generic() wrapper macro, it currently
has no kerneldoc despite being the main API to use. Add it. Also adjust
kmem_cache_create_usercopy() kerneldoc to indicate it is now a legacy
wrapper.
Also expand the kerneldoc for struct kmem_cache_args, especially for the
freeptr_offset field, where important details were removed with the
removal of kmem_cache_create_rcu().
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Reviewed-by: Christian Brauner <brauner@kernel.org>
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https://gitlab.freedesktop.org/drm/xe/kernel into drm-fixes
- Remove a double include (Lucas)
- Fix null checks and UAF (Brost)
- Fix access_ok check in user_fence_create (Nirmoy)
- Fix compat IS_DISPLAY_STEP() range (Jani)
- OA fix (Ashutosh)
- Fixes in show_meminfo (Auld)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ZuL-sORu54zfz1Lf@intel.com
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https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes
An off-by-one fix for the CMA DMA-buf heap, An init fix for nouveau, a
config dependency fix for stm, a syncobj leak fix, and two iommu fixes
for tegra and rockchip.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <mripard@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240912-phenomenal-upbeat-grouse-a26781@houat
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