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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from Paolo Abeni:
"The most significant set of changes is the per netns RTNL. The new
behavior is disabled by default, regression risk should be contained.
Notably the new config knob PTP_1588_CLOCK_VMCLOCK will inherit its
default value from PTP_1588_CLOCK_KVM, as the first is intended to be
a more reliable replacement for the latter.
Core:
- Started a very large, in-progress, effort to make the RTNL lock
scope per network-namespace, thus reducing the lock contention
significantly in the containerized use-case, comprising:
- RCU-ified some relevant slices of the FIB control path
- introduce basic per netns locking helpers
- namespacified the IPv4 address hash table
- remove rtnl_register{,_module}() in favour of
rtnl_register_many()
- refactor rtnl_{new,del,set}link() moving as much validation as
possible out of RTNL lock
- convert all phonet doit() and dumpit() handlers to RCU
- convert IPv4 addresses manipulation to per-netns RTNL
- convert virtual interface creation to per-netns RTNL
the per-netns lock infrastructure is guarded by the
CONFIG_DEBUG_NET_SMALL_RTNL knob, disabled by default ad interim.
- Introduce NAPI suspension, to efficiently switching between busy
polling (NAPI processing suspended) and normal processing.
- Migrate the IPv4 routing input, output and control path from direct
ToS usage to DSCP macros. This is a work in progress to make ECN
handling consistent and reliable.
- Add drop reasons support to the IPv4 rotue input path, allowing
better introspection in case of packets drop.
- Make FIB seqnum lockless, dropping RTNL protection for read access.
- Make inet{,v6} addresses hashing less predicable.
- Allow providing timestamp OPT_ID via cmsg, to correlate TX packets
and timestamps
Things we sprinkled into general kernel code:
- Add small file operations for debugfs, to reduce the struct ops
size.
- Refactoring and optimization for the implementation of page_frag
API, This is a preparatory work to consolidate the page_frag
implementation.
Netfilter:
- Optimize set element transactions to reduce memory consumption
- Extended netlink error reporting for attribute parser failure.
- Make legacy xtables configs user selectable, giving users the
option to configure iptables without enabling any other config.
- Address a lot of false-positive RCU issues, pointed by recent CI
improvements.
BPF:
- Put xsk sockets on a struct diet and add various cleanups. Overall,
this helps to bump performance by 12% for some workloads.
- Extend BPF selftests to increase coverage of XDP features in
combination with BPF cpumap.
- Optimize and homogenize bpf_csum_diff helper for all archs and also
add a batch of new BPF selftests for it.
- Extend netkit with an option to delegate skb->{mark,priority}
scrubbing to its BPF program.
- Make the bpf_get_netns_cookie() helper available also to tc(x) BPF
programs.
Protocols:
- Introduces 4-tuple hash for connected udp sockets, speeding-up
significantly connected sockets lookup.
- Add a fastpath for some TCP timers that usually expires after
close, the socket lock contention.
- Add inbound and outbound xfrm state caches to speed up state
lookups.
- Avoid sending MPTCP advertisements on stale subflows, reducing
risks on loosing them.
- Make neighbours table flushing more scalable, maintaining per
device neigh lists.
Driver API:
- Introduce a unified interface to configure transmission H/W
shaping, and expose it to user-space via generic-netlink.
- Add support for per-NAPI config via netlink. This makes napi
configuration persistent across queues removal and re-creation.
Requires driver updates, currently supported drivers are:
nVidia/Mellanox mlx4 and mlx5, Broadcom brcm and Intel ice.
- Add ethtool support for writing SFP / PHY firmware blocks.
- Track RSS context allocation from ethtool core.
- Implement support for mirroring to DSA CPU port, via TC mirror
offload.
- Consolidate FDB updates notification, to avoid duplicates on
device-specific entries.
- Expose DPLL clock quality level to the user-space.
- Support master-slave PHY config via device tree.
Tests and tooling:
- forwarding: introduce deferred commands, to simplify the cleanup
phase
Drivers:
- Updated several drivers - Amazon vNic, Google vNic, Microsoft vNic,
Intel e1000e and Broadcom Tigon3 - to use netdev-genl to link the
IRQs and queues to NAPI IDs, allowing busy polling and better
introspection.
- Ethernet high-speed NICs:
- nVidia/Mellanox:
- mlx5:
- a large refactor to implement support for cross E-Switch
scheduling
- refactor H/W conter management to let it scale better
- H/W GRO cleanups
- Intel (100G, ice)::
- add support for ethtool reset
- implement support for per TX queue H/W shaping
- AMD/Solarflare:
- implement per device queue stats support
- Broadcom (bnxt):
- improve wildcard l4proto on IPv4/IPv6 ntuple rules
- Marvell Octeon:
- Add representor support for each Resource Virtualization Unit
(RVU) device.
- Hisilicon:
- add support for the BMC Gigabit Ethernet
- IBM (EMAC):
- driver cleanup and modernization
- Cisco (VIC):
- raise the queues number limit to 256
- Ethernet virtual:
- Google vNIC:
- implement page pool support
- macsec:
- inherit lower device's features and TSO limits when
offloading
- virtio_net:
- enable premapped mode by default
- support for XDP socket(AF_XDP) zerocopy TX
- wireguard:
- set the TSO max size to be GSO_MAX_SIZE, to aggregate larger
packets.
- Ethernet NICs embedded and virtual:
- Broadcom ASP:
- enable software timestamping
- Freescale:
- add enetc4 PF driver
- MediaTek: Airoha SoC:
- implement BQL support
- RealTek r8169:
- enable TSO by default on r8168/r8125
- implement extended ethtool stats
- Renesas AVB:
- enable TX checksum offload
- Synopsys (stmmac):
- support header splitting for vlan tagged packets
- move common code for DWMAC4 and DWXGMAC into a separate FPE
module.
- add dwmac driver support for T-HEAD TH1520 SoC
- Synopsys (xpcs):
- driver refactor and cleanup
- TI:
- icssg_prueth: add VLAN offload support
- Xilinx emaclite:
- add clock support
- Ethernet switches:
- Microchip:
- implement support for the lan969x Ethernet switch family
- add LAN9646 switch support to KSZ DSA driver
- Ethernet PHYs:
- Marvel: 88q2x: enable auto negotiation
- Microchip: add support for LAN865X Rev B1 and LAN867X Rev C1/C2
- PTP:
- Add support for the Amazon virtual clock device
- Add PtP driver for s390 clocks
- WiFi:
- mac80211
- EHT 1024 aggregation size for transmissions
- new operation to indicate that a new interface is to be added
- support radio separation of multi-band devices
- move wireless extension spy implementation to libiw
- Broadcom:
- brcmfmac: optional LPO clock support
- Microchip:
- add support for Atmel WILC3000
- Qualcomm (ath12k):
- firmware coredump collection support
- add debugfs support for a multitude of statistics
- Qualcomm (ath5k):
- Arcadyan ARV45XX AR2417 & Gigaset SX76[23] AR241[34]A support
- Realtek:
- rtw88: 8821au and 8812au USB adapters support
- rtw89: add thermal protection
- rtw89: fine tune BT-coexsitence to improve user experience
- rtw89: firmware secure boot for WiFi 6 chip
- Bluetooth
- add Qualcomm WCN785x support for ids Foxconn 0xe0fc/0xe0f3 and
0x13d3:0x3623
- add Realtek RTL8852BE support for id Foxconn 0xe123
- add MediaTek MT7920 support for wireless module ids
- btintel_pcie: add handshake between driver and firmware
- btintel_pcie: add recovery mechanism
- btnxpuart: add GPIO support to power save feature"
* tag 'net-next-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1475 commits)
mm: page_frag: fix a compile error when kernel is not compiled
Documentation: tipc: fix formatting issue in tipc.rst
selftests: nic_performance: Add selftest for performance of NIC driver
selftests: nic_link_layer: Add selftest case for speed and duplex states
selftests: nic_link_layer: Add link layer selftest for NIC driver
bnxt_en: Add FW trace coredump segments to the coredump
bnxt_en: Add a new ethtool -W dump flag
bnxt_en: Add 2 parameters to bnxt_fill_coredump_seg_hdr()
bnxt_en: Add functions to copy host context memory
bnxt_en: Do not free FW log context memory
bnxt_en: Manage the FW trace context memory
bnxt_en: Allocate backing store memory for FW trace logs
bnxt_en: Add a 'force' parameter to bnxt_free_ctx_mem()
bnxt_en: Refactor bnxt_free_ctx_mem()
bnxt_en: Add mem_valid bit to struct bnxt_ctx_mem_type
bnxt_en: Update firmware interface spec to 1.10.3.85
selftests/bpf: Add some tests with sockmap SK_PASS
bpf: fix recursive lock when verdict program return SK_PASS
wireguard: device: support big tcp GSO
wireguard: selftests: load nf_conntrack if not present
...
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Cross-merge networking fixes after downstream PR (net-6.12-rc7).
Conflicts:
drivers/net/ethernet/freescale/enetc/enetc_pf.c
e15c5506dd39 ("net: enetc: allocate vf_state during PF probes")
3774409fd4c6 ("net: enetc: build enetc_pf_common.c as a separate module")
https://lore.kernel.org/20241105114100.118bd35e@canb.auug.org.au
Adjacent changes:
drivers/net/ethernet/ti/am65-cpsw-nuss.c
de794169cf17 ("net: ethernet: ti: am65-cpsw: Fix multi queue Rx on J7")
4a7b2ba94a59 ("net: ethernet: ti: am65-cpsw: Use tstats instead of open coded version")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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net_dim() is currently passed a struct dim_sample argument by value.
struct dim_sample is 24 bytes. Since this is greater 16 bytes, x86-64
passes it on the stack. All callers have already initialized dim_sample
on the stack, so passing it by value requires pushing a duplicated copy
to the stack. Either witing to the stack and immediately reading it, or
perhaps dereferencing addresses relative to the stack pointer in a chain
of push instructions, seems to perform quite poorly.
In a heavy TCP workload, mlx5e_handle_rx_dim() consumes 3% of CPU time,
94% of which is attributed to the first push instruction to copy
dim_sample on the stack for the call to net_dim():
// Call ktime_get()
0.26 |4ead2: call 4ead7 <mlx5e_handle_rx_dim+0x47>
// Pass the address of struct dim in %rdi
|4ead7: lea 0x3d0(%rbx),%rdi
// Set dim_sample.pkt_ctr
|4eade: mov %r13d,0x8(%rsp)
// Set dim_sample.byte_ctr
|4eae3: mov %r12d,0xc(%rsp)
// Set dim_sample.event_ctr
0.15 |4eae8: mov %bp,0x10(%rsp)
// Duplicate dim_sample on the stack
94.16 |4eaed: push 0x10(%rsp)
2.79 |4eaf1: push 0x10(%rsp)
0.07 |4eaf5: push %rax
// Call net_dim()
0.21 |4eaf6: call 4eafb <mlx5e_handle_rx_dim+0x6b>
To allow the caller to reuse the struct dim_sample already on the stack,
pass the struct dim_sample by reference to net_dim().
Signed-off-by: Caleb Sander Mateos <csander@purestorage.com>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Shannon Nelson <shannon.nelson@amd.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Reviewed-by: Arthur Kiyanovski <akiyano@amazon.com>
Reviewed-by: Louis Peens <louis.peens@corigine.com>
Link: https://patch.msgid.link/20241031002326.3426181-2-csander@purestorage.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull SoC driver updates from Arnd Bergmann:
"Nothing particular important in the SoC driver updates, just the usual
improvements to for drivers/soc and a couple of subsystems that don't
fit anywhere else:
- The largest set of updates is for Qualcomm SoC drivers, extending
the set of supported features for additional SoCs in the QSEECOM,
LLCC and socinfo drivers.a
- The ti_sci firmware driver gains support for power managment
- The drivers/reset subsystem sees a rework of the microchip sparx5
and amlogic reset drivers to support additional chips, plus a few
minor updates on other platforms
- The SCMI firmware interface driver gains support for two protocol
extensions, allowing more flexible use of the shared memory area
and new DT binding properties for configurability.
- Mediatek SoC drivers gain support for power managment on the MT8188
SoC and a new driver for DVFS.
- The AMD/Xilinx ZynqMP SoC drivers gain support for system reboot
and a few bugfixes
- The Hisilicon Kunpeng HCCS driver gains support for configuring
lanes through sysfs
Finally, there are cleanups and minor fixes for drivers/{soc, bus,
memory}, including changing back the .remove_new callback to .remove,
as well as a few other updates for freescale (powerpc) soc drivers,
NXP i.MX soc drivers, cznic turris platform driver, memory controller
drviers, TI OMAP SoC drivers, and Tegra firmware drivers"
* tag 'soc-drivers-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (116 commits)
soc: fsl: cpm1: qmc: Set the ret error code on platform_get_irq() failure
soc: fsl: rcpm: fix missing of_node_put() in copy_ippdexpcr1_setting()
soc: fsl: cpm1: tsa: switch to for_each_available_child_of_node_scoped()
platform: cznic: turris-omnia-mcu: Rename variable holding GPIO line names
platform: cznic: turris-omnia-mcu: Document the driver private data structure
firmware: turris-mox-rwtm: Document the driver private data structure
bus: Switch back to struct platform_driver::remove()
soc: qcom: ice: Remove the device_link field in qcom_ice
drm/msm/adreno: Setup SMMU aparture for per-process page table
firmware: qcom: scm: Introduce CP_SMMU_APERTURE_ID
firmware: arm_scpi: Check the DVFS OPP count returned by the firmware
soc: qcom: socinfo: add IPQ5424/IPQ5404 SoC ID
dt-bindings: arm: qcom,ids: add SoC ID for IPQ5424/IPQ5404
soc: qcom: llcc: Flip the manual slice configuration condition
dt-bindings: firmware: qcom,scm: Document sm8750 SCM
firmware: qcom: uefisecapp: Allow X1E Devkit devices
misc: lan966x_pci: Fix dtc warn 'Missing interrupt-parent'
misc: lan966x_pci: Fix dtc warns 'missing or empty reg/ranges property'
soc: qcom: llcc: Add LLCC configuration for the QCS8300 platform
dt-bindings: cache: qcom,llcc: Document the QCS8300 LLCC
...
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FSL SOC changes for 6.13:
- Fix a missing of_node_put() in RCPM
- Fix a missing error code on failure in CPM1 QMC
- Switch to using for_each_available_child_of_node_scoped() in CPM1 TSA
* tag 'soc_fsl-6.13-1' of https://github.com/chleroy/linux:
soc: fsl: cpm1: qmc: Set the ret error code on platform_get_irq() failure
soc: fsl: rcpm: fix missing of_node_put() in copy_ippdexpcr1_setting()
soc: fsl: cpm1: tsa: switch to for_each_available_child_of_node_scoped()
Link: https://lore.kernel.org/r/c3c4961b-fe2a-4fcc-a7a1-f8b5352e09a2@csgroup.eu
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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A kernel test robot detected a missing error code:
qmc.c:1942 qmc_probe() warn: missing error code 'ret'
Indeed, the error returned by platform_get_irq() is checked and the
operation is aborted in case of failure but the ret error code is
not set in that case.
Set the ret error code.
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/r/202411051350.KNy6ZIWA-lkp@intel.com/
Fixes: 3178d58e0b97 ("soc: fsl: cpm1: Add support for QMC")
Cc: stable@vger.kernel.org
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Link: https://lore.kernel.org/r/20241105145623.401528-1-herve.codina@bootlin.com
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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of_find_compatible_node() requires a call to of_node_put() when the
pointer to the node is not required anymore to decrement its refcount
and avoid leaking memory.
Add the missing call to of_node_put() after the node has been used.
Cc: stable@vger.kernel.org
Fixes: e95f287deed2 ("soc: fsl: handle RCPM errata A-008646 on SoC LS1021A")
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Link: https://lore.kernel.org/r/20241013-rcpm-of_node_put-v1-1-9a8e55a01eae@gmail.com
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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The non-scoped variant of this macro turns error-prone as soon as error
paths are included, because explicit calls to of_node_put() are required
to avoid leaking memory.
Using its scoped counterpart simplifies the code by removing the need of
explicit calls to of_node_put(), as they are automatically triggered as
soon as the child node goes out of scope. Moreover, it is more robust as
it accounts for new error paths without having to worry about
decrementing the object's refcount.
Note that the device_node is declared within the macro, and its explicit
declaration can be dropped as well if it is not used anywhere else.
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Acked-by: Herve Codina <herve.codina@bootlin.com>
Link: https://lore.kernel.org/r/20241002-tsa-scoped-v1-1-ba6a6d657f82@gmail.com
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into soc/drivers
A few more Qualcomm driver updates for v6.13
Make the Adreno driver invoke the SMMU aperture setup firmware function,
which is required to allow the GPU to manage per-process page tables in
some firmware versions - as an example Rb3Gen2 has no GPU without this.
Add X1E Devkit to the list of devices that has functional EFI variable
access through the uefisecapp.
Flip the "manual slice configuration quirk" in the Qualcomm LLCC driver,
as this only applies to a single platform, and introduce support for
QCS8300, QCS615, SAR2130P, and SAR1130P.
Lastly, add IPQ5424 and IPQ5404 to the Qualcomm socinfo driver.
* tag 'qcom-drivers-for-6.13-2' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
soc: qcom: ice: Remove the device_link field in qcom_ice
drm/msm/adreno: Setup SMMU aparture for per-process page table
firmware: qcom: scm: Introduce CP_SMMU_APERTURE_ID
soc: qcom: socinfo: add IPQ5424/IPQ5404 SoC ID
dt-bindings: arm: qcom,ids: add SoC ID for IPQ5424/IPQ5404
soc: qcom: llcc: Flip the manual slice configuration condition
dt-bindings: firmware: qcom,scm: Document sm8750 SCM
firmware: qcom: uefisecapp: Allow X1E Devkit devices
soc: qcom: llcc: Add LLCC configuration for the QCS8300 platform
dt-bindings: cache: qcom,llcc: Document the QCS8300 LLCC
soc: qcom: llcc: Add configuration data for QCS615
dt-bindings: cache: qcom,llcc: Document the QCS615 LLCC
soc: qcom: llcc: add support for SAR2130P and SAR1130P
soc: qcom: llcc: use deciman integers for bit shift values
dt-bindings: cache: qcom,llcc: document SAR2130P and SAR1130P
Link: https://lore.kernel.org/r/20241113032425.356306-1-andersson@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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The struct device_link *link field in struct qcom_ice is only used to
store the result of a device_link_add call with the
DL_FLAG_AUTOREMOVE_SUPPLIER flag. With this flag, the resulting value
can only be used to check whether the link is present or not, as per the
device_link_add description, hence this commit removes the field.
Signed-off-by: Joe Hattori <joe@pf.is.s.u-tokyo.ac.jp>
Link: https://lore.kernel.org/r/20241030025046.303342-1-joe@pf.is.s.u-tokyo.ac.jp
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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Add SoC ID for Qualcomm IPQ5424/IPQ5404.
Signed-off-by: Manikanta Mylavarapu <quic_mmanikan@quicinc.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20241016151528.2893599-3-quic_mmanikan@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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Commit c14e64b46944 ("soc: qcom: llcc: Support chipsets that can write
to llcc") made the code not configure certain registers on SDM845 due
to firmware security policies. That turned out only to concern SDM845,
but the condition was chosen such that all other entries (for SoCs that
didnot need it) were required to set .need_llcc_cfg = true.
Flip the condition, so the default is "doesn't need the workaround".
Signed-off-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20241104-topic-llcc_flip-v1-1-3003c846d131@oss.qualcomm.com
[bjorn: Dropped a few newly added need_llcc_cfg uses]
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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Add LLCC configuration for the QCS8300 platform. There is an errata on
LB_CNT information on QCS8300 platform, hardcode num_banks to get the
correct value.
Signed-off-by: Jingyi Wang <quic_jingyw@quicinc.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20241031-qcs8300_llcc-v3-2-bb56952cb83b@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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Add LLCC configuration support for the QCS615 platform.
Signed-off-by: Song Xue <quic_songxue@quicinc.com>
Link: https://lore.kernel.org/r/20241010-add_llcc_support_for_qcs615-v2-2-044432450a75@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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Implement necessary support for the LLCC control on the SAR1130P and
SAR2130P platforms. These two platforms use different ATTR1_MAX_CAP
shift and also require manual override for num_banks.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20241026-sar2130p-llcc-v3-3-2a58fa1b4d12@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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As pointed out by Konrad Dybcio, we generally should be using decimal
numbers to represent bit positions / bit shifts rather than hex numbers.
Use decimals for consistency.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20241026-sar2130p-llcc-v3-2-2a58fa1b4d12@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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https://git.kernel.org/pub/scm/linux/kernel/git/ti/linux into soc/drivers
TI SoC driver updates for v6.13
- knav_qmss_queue: Cleanups around request_irq params and redundant code.
- ti_sci: Power management ops in preperation for suspend/resume capability.
Also includes dependency patch to export dev_pm_qos_read_value
(acked by Rafael).
* tag 'ti-driver-soc-for-v6.13' of https://git.kernel.org/pub/scm/linux/kernel/git/ti/linux:
firmware: ti_sci: Remove use of of_match_ptr() helper
firmware: ti_sci: add CPU latency constraint management
firmware: ti_sci: Introduce Power Management Ops
firmware: ti_sci: Add system suspend and resume call
firmware: ti_sci: Add support for querying the firmware caps
PM: QoS: Export dev_pm_qos_read_value
soc: ti: knav_qmss_queue: Drop redundant continue statement
soc: ti: knav_qmss_queue: Use IRQF_NO_AUTOEN flag in request_irq()
Link: https://lore.kernel.org/r/20241106121708.rso5wvc7wbhfi6xk@maverick
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Remove the statement "continue" at the end of the loop
where it becomes useless.
Problem found with Coccinelle static analysis tool,
using continue.cocci script
(coccinelle.gitlabpages.inria.fr/website/rules/continue.cocci)
Signed-off-by: Alessandro Zanni <alessandro.zanni87@gmail.com>
Link: https://lore.kernel.org/r/20240924214612.38854-1-alessandro.zanni87@gmail.com
Signed-off-by: Nishanth Menon <nm@ti.com>
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As commit cbe16f35bee6 ("genirq: Add IRQF_NO_AUTOEN for request_irq/nmi()")
said, reqeust_irq() and then disable_irq() is unsafe. In the small time gap
between request_irq() and disable_irq(), interrupts can still come.
IRQF_NO_AUTOEN flag can be used by drivers to request_irq(). It prevents
the automatic enabling of the requested interrupt in the same
safe way. With that the usage can be simplified and corrected.
Compile-tested only.
Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Link: https://lore.kernel.org/r/20240914082532.344456-1-ruanjinjie@huawei.com
Signed-off-by: Nishanth Menon <nm@ti.com>
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https://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-omap into arm/drivers
soc: ti: driver updates for v6.13
* tag 'omap-for-v6.13/drivers-signed' of https://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-omap:
thermal/ti-soc-thermal: Fix typos
soc: ti: smartreflex: Use IRQF_NO_AUTOEN flag in request_irq()
Link: https://lore.kernel.org/r/7hplnaomtt.fsf@baylibre.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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If request_irq() fails in sr_late_init(), there is no need to enable
the irq, and if it succeeds, disable_irq() after request_irq() still has
a time gap in which interrupts can come.
request_irq() with IRQF_NO_AUTOEN flag will disable IRQ auto-enable when
request IRQ.
Fixes: 1279ba5916f6 ("OMAP3+: SR: disable interrupt by default")
Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Link: https://lore.kernel.org/r/20240912034147.3014213-1-ruanjinjie@huawei.com
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
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https://git.kernel.org/pub/scm/linux/kernel/git/mediatek/linux into arm/drivers
MediaTek soc driver updates for v6.13
This adds support for the MT8188 SoC in the MediaTek Regulator
Coupler driver, allowing stable GPU DVFS on this chip;
Moreover, this adds a new MediaTek DVFS Resource Collector (DVFSRC)
driver, allowing to enable other drivers (interconnect, regulator)
which can now communicate with the DVFSRC hardware.
Last but not least, this includes some cleanups for the CMDQ Helper
and MediaTek SVS drivers.
* tag 'mtk-soc-for-v6.13' of https://git.kernel.org/pub/scm/linux/kernel/git/mediatek/linux:
soc: mediatek: mtk-svs: Call of_node_put(np) only once in svs_get_subsys_device()
soc: mediatek: mediatek-regulator-coupler: Support mt8188
soc: mediatek: mtk-cmdq: Move cmdq_instruction init to declaration
soc: mediatek: mtk-cmdq: Move mask build and append to function
soc: mediatek: Add MediaTek DVFS Resource Collector (DVFSRC) driver
dt-bindings: soc: mediatek: Add DVFSRC bindings for MT8183 and MT8195
Link: https://lore.kernel.org/r/20241104112625.161365-2-angelogioacchino.delregno@collabora.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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svs_get_subsys_device()
An of_node_put(np) call was immediately used after a pointer check
for a of_find_device_by_node() call in this function implementation.
Thus call such a function only once instead directly before the check.
This issue was transformed by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/884f0a5d-e6d3-47dc-8a9e-201bb86b271f@web.de
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
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The Mali GPU in mt8188 also requires coupled power supplies,
that is, the "vsram" voltage should follow the "vgpu" voltage.
Therefore add the compatible to enable this coupling behavior.
Signed-off-by: Pablo Sun <pablo.sun@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20241002022138.29241-6-pablo.sun@mediatek.com
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
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Move, where possible, the initialization of struct cmdq_instruction
variables to their declaration to compress the code.
While at it, also change an instance of open-coded mask to use the
GENMASK() macro instead, and instances of `ret = func(); return ret;`
to the equivalent (but shorter) `return func()`.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
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Move the CMDQ_CODE_MASK packet build and append logic to a new
cmdq_pkt_mask() function; this reduces code duplication by 4x.
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
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The Dynamic Voltage and Frequency Scaling Resource Collector (DVFSRC) is a
Hardware module used to collect all the requests from both software and the
various remote processors embedded into the SoC and decide about a minimum
operating voltage and a minimum DRAM frequency to fulfill those requests in
an effort to provide the best achievable performance per watt.
This hardware IP is capable of transparently performing direct register R/W
on all of the DVFSRC-controlled regulators and SoC bandwidth knobs.
This driver includes support for MT8183, MT8192 and MT8195.
Co-Developed-by: Dawei Chien <dawei.chien@mediatek.com>
[Angelo: Partial refactoring and cleanups]
Reviewed-by: Georgi Djakov <djakov@kerenl.org>
Link: https://lore.kernel.org/r/20240610085735.147134-5-angelogioacchino.delregno@collabora.com
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
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https://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/drivers
i.MX drivers changes for 6.13:
- A series from Marek Vasut to probe soc-imx8m as platform driver,
so that it works properly with 'driver_async_probe' kernel parameter.
* tag 'imx-drivers-6.13' of https://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
soc: imx8m: Use devm_* to simplify probe failure handling
soc: imx8m: Remove global soc_uid
soc: imx8m: Probe the SoC driver as platform driver
Link: https://lore.kernel.org/r/20241104090055.1881860-1-shawnguo2@yeah.net
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Use device managed functions to simplify handling of failures during
probe. Remove fail paths which are no longer necessary.
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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The static global soc_uid is only ever used as kasprintf() parameter in
imx8m_soc_probe(). Pass pointer to local u64 variable to .soc_revision()
callback instead and let the .soc_revision() callback fill in the content.
Remove the unnecessary static global variable.
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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With driver_async_probe=* on kernel command line, the following trace is
produced because on i.MX8M Plus hardware because the soc-imx8m.c driver
calls of_clk_get_by_name() which returns -EPROBE_DEFER because the clock
driver is not yet probed. This was not detected during regular testing
without driver_async_probe.
Convert the SoC code to platform driver and instantiate a platform device
in its current device_initcall() to probe the platform driver. Rework
.soc_revision callback to always return valid error code and return SoC
revision via parameter. This way, if anything in the .soc_revision callback
return -EPROBE_DEFER, it gets propagated to .probe and the .probe will get
retried later.
"
------------[ cut here ]------------
WARNING: CPU: 1 PID: 1 at drivers/soc/imx/soc-imx8m.c:115 imx8mm_soc_revision+0xdc/0x180
CPU: 1 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.11.0-next-20240924-00002-g2062bb554dea #603
Hardware name: DH electronics i.MX8M Plus DHCOM Premium Developer Kit (3) (DT)
pstate: 20000005 (nzCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : imx8mm_soc_revision+0xdc/0x180
lr : imx8mm_soc_revision+0xd0/0x180
sp : ffff8000821fbcc0
x29: ffff8000821fbce0 x28: 0000000000000000 x27: ffff800081810120
x26: ffff8000818a9970 x25: 0000000000000006 x24: 0000000000824311
x23: ffff8000817f42c8 x22: ffff0000df8be210 x21: fffffffffffffdfb
x20: ffff800082780000 x19: 0000000000000001 x18: ffffffffffffffff
x17: ffff800081fff418 x16: ffff8000823e1000 x15: ffff0000c03b65e8
x14: ffff0000c00051b0 x13: ffff800082790000 x12: 0000000000000801
x11: ffff80008278ffff x10: ffff80008209d3a6 x9 : ffff80008062e95c
x8 : ffff8000821fb9a0 x7 : 0000000000000000 x6 : 00000000000080e3
x5 : ffff0000df8c03d8 x4 : 0000000000000000 x3 : 0000000000000000
x2 : 0000000000000000 x1 : fffffffffffffdfb x0 : fffffffffffffdfb
Call trace:
imx8mm_soc_revision+0xdc/0x180
imx8_soc_init+0xb0/0x1e0
do_one_initcall+0x94/0x1a8
kernel_init_freeable+0x240/0x2a8
kernel_init+0x28/0x140
ret_from_fork+0x10/0x20
---[ end trace 0000000000000000 ]---
SoC: i.MX8MP revision 1.1
"
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/drivers
Qualcomm driver updates for v6.13
Enable QSEECOM, and thereby access to EFI variables, for Lenovo Yoga
Slim 7x, Dell XPS 13, Microsoft Surface Pro 9.
Last Level Cache Controller (LLCC) driver code is shuffled, to improve
readability of the tables.
The Qualcomm socinfo driver gains support for QCS615, QCS9100, SAR1130P,
SAR2130P, and SA8255P.
A few drivers are simplified using dev_err_probe() and guard(), and a
few kernel-doc issues are corrected.
Mentioning of the #linux-msm IRC channel is added to the MAINTAINERS
file.
* tag 'qcom-drivers-for-6.13' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux: (30 commits)
soc: qcom: socinfo: add QCS9100 ID
dt-bindings: arm: qcom,ids: add SoC ID for QCS9100
dt-bindings: soc: qcom,aoss-qmp: Document the QCS8300 AOSS channel
dt-bindings: soc: qcom: add qcom,qcs8300-imem compatible
dt-bindings: firmware: qcom,scm: document SCM on QCS8300 SoCs
soc: qcom: socinfo: add support for SA8255P
dt-bindings: arm: qcom: add the SoC ID for SA8255P
soc: qcom: smp2p: Simplify code with dev_err_probe()
soc: qcom: smem: Simplify code with dev_err_probe()
soc: qcom: rpmh-rsc: Simplify code with dev_err_probe()
dt-bindings: soc: qcom: aoss-qmp: document support for SA8255p
dt-bindings: firmware: qcom,scm: document support for SA8255p
dt-bindings: soc: qcom,aoss-qmp: Add SAR2130P compatible
dt-bindings: firmware: qcom,scm: Add SAR2130P compatible
soc: qcom: socinfo: add SoC IDs for SAR1130P and SAR2130P
dt-bindings: arm: qcom,ids: add SoC ID for SAR2130P and SAR1130P
dt-bindings: soc: qcom: aoss-qmp: Add SM8750
soc: qcom: socinfo: Add QCS615 SoC ID table entry
dt-bindings: arm: qcom,ids: add SoC ID for QCS615
soc: qcom: smem: Fix up kerneldoc
...
Link: https://lore.kernel.org/r/20241102231953.871067-1-andersson@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Add the ID for the Qualcomm QCS9100 SoC.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Tengfei Fan <quic_tengfan@quicinc.com>
Link: https://lore.kernel.org/r/20240911-add_qcs9100_support-v2-2-e43a71ceb017@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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Add SocInfo support for SA8255P.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Nikunj Kela <quic_nkela@quicinc.com>
Link: https://lore.kernel.org/r/20240910171534.2412263-3-quic_nkela@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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Use dev_err_probe() directly in the driver probe phase, and we
don't need to judge if the error code is not equal to -EPROBE_DEFER.
This can simplify the code a bit.
Signed-off-by: Zhang Zekun <zhangzekun11@huawei.com>
Link: https://lore.kernel.org/r/20240909122921.12627-5-zhangzekun11@huawei.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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Use dev_err_probe() directly in the driver probe phase, and we
don't need to judge if the error code is not equal to -EPROBE_DEFER.
This can simplify the code a bit.
Signed-off-by: Zhang Zekun <zhangzekun11@huawei.com>
Link: https://lore.kernel.org/r/20240909122921.12627-4-zhangzekun11@huawei.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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Use dev_err_probe() directly in the driver probe phase, and we
don't need to judge if the error code is not equal to -EPROBE_DEFER.
This can simplify the code a bit.
Signed-off-by: Zhang Zekun <zhangzekun11@huawei.com>
Link: https://lore.kernel.org/r/20240909122921.12627-2-zhangzekun11@huawei.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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Add SoC IDs for Qualcomm SAR1130P and SAR2130P platforms.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20241018-sar2130p-socinfo-v1-2-b1e97ea963fe@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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Add SoC Info support for the QCS615 platform.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Lijuan Gao <quic_lijuang@quicinc.com>
Link: https://lore.kernel.org/r/20241022-add_initial_support_for_qcs615-v4-4-0a551c6dd342@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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Fix warnings like:
smem.c:504: warning: No description found for return value of 'qcom_smem_alloc'
Signed-off-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20241021-topic-smem_kerneldoc-v1-1-4825904a7e25@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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The QCM6490 is a variant of SC7280, with the usual set of protection
domains, and hence the need for a PD-mapper. In particular USB Type-C
port management and battery management is pmic_glink based.
Add an entry to the kernel, to avoid the need for userspace to provide
this service.
Signed-off-by: Bjorn Andersson <bjorn.andersson@oss.qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20241004-qcm6490-pd-mapper-v1-1-d6f4bc3bffa3@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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This loop is supposed to break if the frequency returned from
clk_round_rate() is the same as on the previous iteration. However,
that check doesn't make sense on the first iteration through the loop.
It leads to reading before the start of these->clk_perf_tbl[] array.
Fixes: eddac5af0654 ("soc: qcom: Add GENI based QUP Wrapper driver")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/r/8cd12678-f44a-4b16-a579-c8f11175ee8c@stanley.mountain
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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Simplify error handling (less gotos) over locks with guard().
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240822164853.231087-4-krzysztof.kozlowski@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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Simplify error handling (less gotos) over locks with guard().
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240822164853.231087-3-krzysztof.kozlowski@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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Reorganize kerneldoc parameter names to match the parameter
order in the function header.
Problems identified using Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
Link: https://lore.kernel.org/r/20240930112121.95324-25-Julia.Lawall@inria.fr
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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The current way of storing the configuration is very much
unmaintainable. Convert the data to use designated initializers to make
it easier both to understand and add/update the slice configuration
data.
Signed-off-by: Konrad Dybcio <quic_kdybcio@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20240910-topic-llcc_unwrap-v2-1-f0487c983373@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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arm/drivers
arm64: ZynqMP SoC changes for 6.13
event_manager:
- cleanup error path
firmware:
- add support for new SMC layout
- fix feature check logic
- extend debug interface
- update reset ID format
- report about unsupported feature in pinctrl
* tag 'zynqmp-soc-for-6.13' of https://github.com/Xilinx/linux-xlnx:
firmware: xilinx: fix feature check logic for TF-A specific APIs
firmware: xilinx: add support for new SMC call format
firmware: xilinx: add a warning print for unsupported feature
firmware: xilinx: use u32 for reset ID in reset APIs
firmware: xilinx: Add missing debug firmware interfaces
drivers: soc: xilinx: add the missing kfree in xlnx_add_cb_for_suspend()
Link: https://lore.kernel.org/r/CAHTX3dK9PKmG_UG4MW=x5KmZCrd5PkcAZiNVgPFQ_zsPRgu+dg@mail.gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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If we fail to allocate memory for cb_data by kmalloc, the memory
allocation for eve_data is never freed, add the missing kfree()
in the error handling path.
Fixes: 05e5ba40ea7a ("driver: soc: xilinx: Add support of multiple callbacks for same event in event management driver")
Signed-off-by: Gaosheng Cui <cuigaosheng1@huawei.com>
Link: https://lore.kernel.org/r/20240706065155.452764-1-cuigaosheng1@huawei.com
Signed-off-by: Michal Simek <michal.simek@amd.com>
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into arm/drivers
HiSilicon driver updates for v6.13
- Add the sysfs to show all HCCS types used on the platform
- Add the low power feature for HCCS by adjusting the lane number
- Few cleanups and improvements: correct a PCC typo, verify the die, port
information, base address and size, update the lane_mode to max_lane_num
* tag 'hisi-drivers-for-6.13' of https://github.com/hisilicon/linux-hisi:
soc: hisilicon: kunpeng_hccs: Support low power feature for the specified HCCS type
soc: hisilicon: kunpeng_hccs: Add used HCCS types sysfs
soc: hisilicon: kunpeng_hccs: Fix the 'lane_mode' field name in port info structure to 'max_lane_num'
soc: hisilicon: kunpeng_hccs: Add the check for base address and size of shared memory
soc: hisilicon: kunpeng_hccs: Return failure on having not die or port information
soc: hisilicon: kunpeng_hccs: Fix a PCC typo
Link: https://lore.kernel.org/r/671B3FBD.8050905@hisilicon.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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HCCS type
Add the low power feature for the specified HCCS type by increasing
and decreasing the used lane number of these HCCS ports on platform.
Signed-off-by: Huisong Li <lihuisong@huawei.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>
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