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2024-02-16soc: qcom: spm: remove driver-internal structures from the driver APIDmitry Baryshkov
Move internal SPM driver structures to the driver itself, removing them from the public API. The CPUidle driver doesn't use them at all. Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://lore.kernel.org/r/20240102-saw2-spm-regulator-v7-4-0472ec237f49@linaro.org Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-02-16i40e: Remove VEB recursionIvan Vecera
The VEB (virtual embedded switch) as a switch element can be connected according datasheet though its uplink to: - Physical port - Port Virtualizer (not used directly by i40e driver but can be present in MFP mode where the physical port is shared between PFs) - No uplink (aka floating VEB) But VEB uplink cannot be connected to another VEB and any attempt to do so results in: "i40e 0000:02:00.0: couldn't add VEB, err -EIO aq_err I40E_AQ_RC_ENOENT" that indicates "the uplink SEID does not point to valid element". Remove this logic from the driver code this way: 1) For debugfs only allow to build floating VEB (uplink_seid == 0) or main VEB (uplink_seid == mac_seid) 2) Do not recurse in i40e_veb_link_event() as no VEB cannot have sub-VEBs 3) Ditto for i40e_veb_rebuild() + simplify the function as we know that the VEB for rebuild can be only the main LAN VEB or some of the floating VEBs 4) In i40e_rebuild() there is no need to check veb->uplink_seid as the possible ones are 0 and MAC SEID 5) In i40e_vsi_release() do not take into account VEBs whose uplink is another VEB as this is not possible 6) Remove veb_idx field from i40e_veb as a VEB cannot have sub-VEBs Tested using i40e debugfs interface: 1) Initial state [root@cnb-03 net-next]# CMD="/sys/kernel/debug/i40e/0000:02:00.0/command" [root@cnb-03 net-next]# echo dump switch > $CMD [root@cnb-03 net-next]# dmesg -c [ 98.440641] i40e 0000:02:00.0: header: 3 reported 3 total [ 98.446053] i40e 0000:02:00.0: type=19 seid=392 uplink=160 downlink=16 [ 98.452593] i40e 0000:02:00.0: type=17 seid=160 uplink=2 downlink=0 [ 98.458856] i40e 0000:02:00.0: type=19 seid=390 uplink=160 downlink=16 2) Add floating VEB [root@cnb-03 net-next]# echo add relay > $CMD [root@cnb-03 net-next]# dmesg -c [ 122.745630] i40e 0000:02:00.0: added relay 162 [root@cnb-03 net-next]# echo dump switch > $CMD [root@cnb-03 net-next]# dmesg -c [ 136.650049] i40e 0000:02:00.0: header: 4 reported 4 total [ 136.655466] i40e 0000:02:00.0: type=19 seid=392 uplink=160 downlink=16 [ 136.661994] i40e 0000:02:00.0: type=17 seid=160 uplink=2 downlink=0 [ 136.668264] i40e 0000:02:00.0: type=19 seid=390 uplink=160 downlink=16 [ 136.674787] i40e 0000:02:00.0: type=17 seid=162 uplink=0 downlink=0 3) Add VMDQ2 VSI to this new VEB [root@cnb-03 net-next]# dmesg -c [ 168.351763] i40e 0000:02:00.0: added VSI 394 to relay 162 [ 168.374652] enp2s0f0np0v0: NIC Link is Up, 40 Gbps Full Duplex, Flow Control: None [root@cnb-03 net-next]# echo dump switch > $CMD [root@cnb-03 net-next]# dmesg -c [ 195.683204] i40e 0000:02:00.0: header: 5 reported 5 total [ 195.688611] i40e 0000:02:00.0: type=19 seid=394 uplink=162 downlink=16 [ 195.695143] i40e 0000:02:00.0: type=17 seid=162 uplink=0 downlink=0 [ 195.701410] i40e 0000:02:00.0: type=19 seid=392 uplink=160 downlink=16 [ 195.707935] i40e 0000:02:00.0: type=17 seid=160 uplink=2 downlink=0 [ 195.714201] i40e 0000:02:00.0: type=19 seid=390 uplink=160 downlink=16 4) Try to delete the VEB [root@cnb-03 net-next]# echo del relay 162 > $CMD [root@cnb-03 net-next]# dmesg -c [ 239.260901] i40e 0000:02:00.0: deleting relay 162 [ 239.265621] i40e 0000:02:00.0: can't remove VEB 162 with 1 VSIs left 5) Do PF reset and check switch status after rebuild [root@cnb-03 net-next]# echo pfr > $CMD [root@cnb-03 net-next]# echo dump switch > $CMD [root@cnb-03 net-next]# dmesg -c ... [ 272.333655] i40e 0000:02:00.0: header: 5 reported 5 total [ 272.339066] i40e 0000:02:00.0: type=19 seid=394 uplink=162 downlink=16 [ 272.345599] i40e 0000:02:00.0: type=17 seid=162 uplink=0 downlink=0 [ 272.351862] i40e 0000:02:00.0: type=19 seid=392 uplink=160 downlink=16 [ 272.358387] i40e 0000:02:00.0: type=17 seid=160 uplink=2 downlink=0 [ 272.364654] i40e 0000:02:00.0: type=19 seid=390 uplink=160 downlink=16 6) Delete VSI and delete VEB [ 297.199116] i40e 0000:02:00.0: deleting VSI 394 [ 299.807580] i40e 0000:02:00.0: deleting relay 162 [ 309.767905] i40e 0000:02:00.0: header: 3 reported 3 total [ 309.773318] i40e 0000:02:00.0: type=19 seid=392 uplink=160 downlink=16 [ 309.779845] i40e 0000:02:00.0: type=17 seid=160 uplink=2 downlink=0 [ 309.786111] i40e 0000:02:00.0: type=19 seid=390 uplink=160 downlink=16 Reviewed-by: Wojciech Drewek <wojciech.drewek@intel.com> Signed-off-by: Ivan Vecera <ivecera@redhat.com> Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@intel.com> (A Contingent worker at Intel) Reviewed-by: Simon Horman <horms@kernel.org> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2024-02-16i40e: Fix broken support for floating VEBsIvan Vecera
Although the i40e supports so-called floating VEB (VEB without an uplink connection to external network), this support is broken. This functionality is currently unused (except debugfs) but it will be used by subsequent series for switchdev mode slow-path. Fix this by following: 1) Handle correctly floating VEB (VEB with uplink_seid == 0) in i40e_reconstitute_veb() and look for owner VSI and create it only for non-floating VEBs and also set bridge mode only for such VEBs as the floating ones are using always VEB mode. 2) Handle correctly floating VEB in i40e_veb_release() and disallow its release when there are some VSIs. This is different from regular VEB that have owner VSI that is connected to VEB's uplink after VEB deletion by FW. 3) Fix i40e_add_veb() to handle 'vsi' that is NULL for floating VEBs. For floating VEB use 0 for downlink SEID and 'true' for 'default_port' parameters as per datasheet. 4) Fix 'add relay' command in i40e_dbg_command_write() to allow to create floating VEB by 'add relay 0 0' or 'add relay' Tested using debugfs: 1) Initial state [root@host net-next]# echo dump switch > $CMD [root@host net-next]# dmesg -c [ 173.701286] i40e 0000:02:00.0: header: 3 reported 3 total [ 173.706701] i40e 0000:02:00.0: type=19 seid=392 uplink=160 downlink=16 [ 173.713241] i40e 0000:02:00.0: type=17 seid=160 uplink=2 downlink=0 [ 173.719507] i40e 0000:02:00.0: type=19 seid=390 uplink=160 downlink=16 2) Add floating VEB [root@host net-next]# CMD="/sys/kernel/debug/i40e/0000:02:00.0/command" [root@host net-next]# echo add relay > $CMD [root@host net-next]# dmesg -c [ 245.551720] i40e 0000:02:00.0: added relay 162 [root@host net-next]# echo dump switch > $CMD [root@host net-next]# dmesg -c [ 276.984371] i40e 0000:02:00.0: header: 4 reported 4 total [ 276.989779] i40e 0000:02:00.0: type=19 seid=392 uplink=160 downlink=16 [ 276.996302] i40e 0000:02:00.0: type=17 seid=160 uplink=2 downlink=0 [ 277.002569] i40e 0000:02:00.0: type=19 seid=390 uplink=160 downlink=16 [ 277.009091] i40e 0000:02:00.0: type=17 seid=162 uplink=0 downlink=0 3) Add VMDQ2 VSI to this new VEB [root@host net-next]# echo add vsi 162 > $CMD [root@host net-next]# dmesg -c [ 332.314030] i40e 0000:02:00.0: added VSI 394 to relay 162 [ 332.337486] enp2s0f0np0v0: NIC Link is Up, 40 Gbps Full Duplex, Flow Control: None [root@host net-next]# echo dump switch > $CMD [root@host net-next]# dmesg -c [ 387.284490] i40e 0000:02:00.0: header: 5 reported 5 total [ 387.289904] i40e 0000:02:00.0: type=19 seid=394 uplink=162 downlink=16 [ 387.296446] i40e 0000:02:00.0: type=17 seid=162 uplink=0 downlink=0 [ 387.302708] i40e 0000:02:00.0: type=19 seid=392 uplink=160 downlink=16 [ 387.309234] i40e 0000:02:00.0: type=17 seid=160 uplink=2 downlink=0 [ 387.315500] i40e 0000:02:00.0: type=19 seid=390 uplink=160 downlink=16 4) Try to delete the VEB [root@host net-next]# echo del relay 162 > $CMD [root@host net-next]# dmesg -c [ 428.749297] i40e 0000:02:00.0: deleting relay 162 [ 428.754011] i40e 0000:02:00.0: can't remove VEB 162 with 1 VSIs left 5) Do PF reset and check switch status after rebuild [root@host net-next]# echo pfr > $CMD [root@host net-next]# echo dump switch > $CMD [root@host net-next]# dmesg -c [ 738.056172] i40e 0000:02:00.0: header: 5 reported 5 total [ 738.061577] i40e 0000:02:00.0: type=19 seid=394 uplink=162 downlink=16 [ 738.068104] i40e 0000:02:00.0: type=17 seid=162 uplink=0 downlink=0 [ 738.074367] i40e 0000:02:00.0: type=19 seid=392 uplink=160 downlink=16 [ 738.080892] i40e 0000:02:00.0: type=17 seid=160 uplink=2 downlink=0 [ 738.087160] i40e 0000:02:00.0: type=19 seid=390 uplink=160 downlink=16 6) Delete VSI and delete VEB [root@host net-next]# echo del vsi 394 > $CMD [root@host net-next]# echo del relay 162 > $CMD [root@host net-next]# echo dump switch > $CMD [root@host net-next]# dmesg -c [ 1233.081126] i40e 0000:02:00.0: deleting VSI 394 [ 1239.345139] i40e 0000:02:00.0: deleting relay 162 [ 1244.886920] i40e 0000:02:00.0: header: 3 reported 3 total [ 1244.892328] i40e 0000:02:00.0: type=19 seid=392 uplink=160 downlink=16 [ 1244.898853] i40e 0000:02:00.0: type=17 seid=160 uplink=2 downlink=0 [ 1244.905119] i40e 0000:02:00.0: type=19 seid=390 uplink=160 downlink=16 Reviewed-by: Wojciech Drewek <wojciech.drewek@intel.com> Signed-off-by: Ivan Vecera <ivecera@redhat.com> Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@intel.com> (A Contingent worker at Intel) Reviewed-by: Simon Horman <horms@kernel.org> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2024-02-16i40e: Add helpers to find VSI and VEB by SEID and use themIvan Vecera
Add two helpers i40e_(veb|vsi)_get_by_seid() to find corresponding VEB or VSI by their SEID value and use these helpers to replace existing open-coded loops. Reviewed-by: Wojciech Drewek <wojciech.drewek@intel.com> Signed-off-by: Ivan Vecera <ivecera@redhat.com> Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@intel.com> (A Contingent worker at Intel) Reviewed-by: Simon Horman <horms@kernel.org> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2024-02-16i40e: Introduce and use macros for iterating VSIs and VEBsIvan Vecera
Introduce i40e_for_each_vsi() and i40e_for_each_veb() helper macros and use them to iterate relevant arrays. Replace pattern: for (i = 0; i < pf->num_alloc_vsi; i++) by: i40e_for_each_vsi(pf, i, vsi) and pattern: for (i = 0; i < I40E_MAX_VEB; i++) by i40e_for_each_veb(pf, i, veb) These macros also check if array item pf->vsi[i] or pf->veb[i] are not NULL and skip such items so we can remove redundant checks from loop bodies. Reviewed-by: Wojciech Drewek <wojciech.drewek@intel.com> Signed-off-by: Ivan Vecera <ivecera@redhat.com> Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@intel.com> (A Contingent worker at Intel) Reviewed-by: Simon Horman <horms@kernel.org> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2024-02-16i40e: Use existing helper to find flow director VSIIvan Vecera
Use existing i40e_find_vsi_by_type() to find a VSI associated with flow director. Reviewed-by: Wojciech Drewek <wojciech.drewek@intel.com> Signed-off-by: Ivan Vecera <ivecera@redhat.com> Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@intel.com> (A Contingent worker at Intel) Reviewed-by: Simon Horman <horms@kernel.org> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2024-02-16Merge tag 'drm-fixes-2024-02-16' of git://anongit.freedesktop.org/drm/drmLinus Torvalds
Pull drm fixes from Dave Airlie: "Regular weekly fixes, nothing too major, mostly amdgpu, then i915, xe, msm and nouveau with some scattered bits elsewhere. crtc: - fix uninit variable prime: - support > 4GB page arrays buddy: - fix error handling in allocations i915: - fix blankscreen on JSL chromebooks - stable fix to limit DP sst link rates xe: - Fix an out-of-bounds shift. - Fix the display code thinking xe uses shmem - Fix a warning about index out-of-bound - Fix a clang-16 compilation warning amdgpu: - PSR fixes - Suspend/resume fixes - Link training fix - Aspect ratio fix - DCN 3.5 fixes - VCN 4.x fix - GFX 11 fix - Misc display fixes - Misc small fixes amdkfd: - Cache size reporting fix - SIMD distribution fix msm: - GPU: - dmabuf vmap fix - a610 UBWC corruption fix (incorrect hbb) - revert a commit that was making GPU recovery unreliable - tlb invalidation fix ivpu: - suspend/resume fix nouveau: - fix scheduler cleanup path - fix pointless scheduler creation - fix kvalloc argument order rockchip: - vop2 locking fix" * tag 'drm-fixes-2024-02-16' of git://anongit.freedesktop.org/drm/drm: (38 commits) drm/amdgpu: Fix implicit assumtion in gfx11 debug flags drm/amdkfd: update SIMD distribution algo for GFXIP 9.4.2 onwards drm/amd/display: Increase ips2_eval delay for DCN35 drm/amdgpu/display: Initialize gamma correction mode variable in dcn30_get_gamcor_current() drm/amdgpu/soc21: update VCN 4 max HEVC encoding resolution drm/amd/display: fixed integer types and null check locations drm/amd/display: Fix array-index-out-of-bounds in dcn35_clkmgr drm/amd/display: Preserve original aspect ratio in create stream drm/amd/display: Fix possible NULL dereference on device remove/driver unload Revert "drm/amd/display: increased min_dcfclk_mhz and min_fclk_mhz" drm/amd/display: Add align done check Revert "drm/amd: flush any delayed gfxoff on suspend entry" drm/amd: Stop evicting resources on APUs in suspend drm/amd/display: Fix possible buffer overflow in 'find_dcfclk_for_voltage()' drm/amd/display: Fix possible use of uninitialized 'max_chunks_fbc_mode' in 'calculate_bandwidth()' drm/amd/display: Initialize 'wait_time_microsec' variable in link_dp_training_dpia.c drm/amd/display: Fix && vs || typos drm/amdkfd: Fix L2 cache size reporting in GFX9.4.3 drm/amdgpu: make damage clips support configurable drm/msm: Wire up tlb ops ...
2024-02-16wifi: brcmsmac: avoid function pointer castsArnd Bergmann
An old cleanup went a little too far and causes a warning with clang-16 and higher as it breaks control flow integrity (KCFI) rules: drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy_shim.c:64:34: error: cast from 'void (*)(struct brcms_phy *)' to 'void (*)(void *)' converts to incompatible function type [-Werror,-Wcast-function-type-strict] 64 | brcms_init_timer(physhim->wl, (void (*)(void *))fn, | ^~~~~~~~~~~~~~~~~~~~ Change this one instance back to passing a void pointer so it can be used with the timer callback interface. Fixes: d89a4c80601d ("staging: brcm80211: removed void * from softmac phy") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://msgid.link/20240213100548.457854-1-arnd@kernel.org
2024-02-16x86/cpu/topology: Get rid of cpuinfo::x86_max_coresThomas Gleixner
Now that __num_cores_per_package and __num_threads_per_package are available, cpuinfo::x86_max_cores and the related math all over the place can be replaced with the ready to consume data. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Tested-by: Michael Kelley <mhklinux@outlook.com> Tested-by: Sohil Mehta <sohil.mehta@intel.com> Link: https://lore.kernel.org/r/20240213210253.176147806@linutronix.de
2024-02-16s390/zcrypt: add debug possibility for CCA and EP11 messagesHarald Freudenberger
This patch introduces dynamic debug hexdump invocation possibilities to be able to: - dump an CCA or EP11 CPRB request as early as possible when received via ioctl from userspace but after the ap message has been collected together. - dump an CCA or EP11 CPRB reply short before it is transferred via ioctl into userspace. Signed-off-by: Harald Freudenberger <freude@linux.ibm.com> Reviewed-by: Holger Dengler <dengler@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
2024-02-16s390/ap: add debug possibility for AP messagesHarald Freudenberger
This patch introduces two dynamic debug hexdump invocation possibilities to be able to a) dump an AP message immediately before it goes into the firmware queue and b) dump a fresh from the firmware queue received AP message. Signed-off-by: Harald Freudenberger <freude@linux.ibm.com> Reviewed-by: Holger Dengler <dengler@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
2024-02-16s390/pkey: introduce dynamic debugging for pkeyHarald Freudenberger
This patch replaces all the s390 debug feature calls with debug level by dynamic debug calls pr_debug. These calls are much more flexible and each single invocation can get enabled/disabled at runtime wheres the s390 debug feature debug calls have only one knob - enable or disable all in one bunch. This patch follows a similar change for the AP bus and zcrypt device driver code. All this code uses dynamic debugging with pr_debug and friends for emitting debug traces now. Signed-off-by: Harald Freudenberger <freude@linux.ibm.com> Reviewed-by: Holger Dengler <dengler@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
2024-02-16s390/pkey: harmonize pkey s390 debug feature callsHarald Freudenberger
Cleanup and harmonize the s390 debug feature calls and defines for the pkey module to be similar to the debug feature as it is used in the zcrypt device driver and AP bus. More or less only renaming but no functional changes. Signed-off-by: Harald Freudenberger <freude@linux.ibm.com> Reviewed-by: Holger Dengler <dengler@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
2024-02-16s390/zcrypt: introduce dynamic debugging for AP and zcrypt codeHarald Freudenberger
This patch replaces all the s390 debug feature calls with debug level by dynamic debug calls pr_debug. These calls are much more flexible and each single invocation can get enabled/disabled at runtime wheres the s390 debug feature debug calls have only one knob - enable or disable all in one bunch. The benefit is especially significant with high frequency called functions like the AP bus scan. In most debugging scenarios you don't want and need them, but sometimes it is crucial to know exactly when and how long the AP bus scan took. Signed-off-by: Harald Freudenberger <freude@linux.ibm.com> Reviewed-by: Holger Dengler <dengler@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
2024-02-16s390/zcrypt: harmonize debug feature calls and definesHarald Freudenberger
This patch harmonizes the calls and defines around the s390 debug feature as it is used in the AP bus and zcrypt device driver code. More or less cleanup and renaming, no functional changes. Signed-off-by: Harald Freudenberger <freude@linux.ibm.com> Reviewed-by: Holger Dengler <dengler@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
2024-02-16can: xilinx_can: Add ethtool stats interface for ECC errorsSrinivas Goud
Add ethtool stats interface for reading FIFO 1bit/2bit ECC errors information. Signed-off-by: Srinivas Goud <srinivas.goud@amd.com> Link: https://lore.kernel.org/all/20240213-xilinx_ecc-v8-3-8d75f8b80771@pengutronix.de Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2024-02-16can: xilinx_can: Add ECC supportSrinivas Goud
Add ECC support for Xilinx CAN Controller, so this driver reports 1bit/2bit ECC errors for FIFO's based on ECC error interrupt. ECC feature for Xilinx CAN Controller selected through 'xlnx,has-ecc' DT property Signed-off-by: Srinivas Goud <srinivas.goud@amd.com> Link: https://lore.kernel.org/all/20240213-xilinx_ecc-v8-2-8d75f8b80771@pengutronix.de Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2024-02-16dmaengine: fsl-edma: correct max_segment_size settingFrank Li
Correcting the previous setting of 0x3fff to the actual value of 0x7fff. Introduced new macro 'EDMA_TCD_ITER_MASK' for improved code clarity and utilization of FIELD_GET to obtain the accurate maximum value. Cc: stable@vger.kernel.org Fixes: e06748539432 ("dmaengine: fsl-edma: support edma memcpy") Signed-off-by: Frank Li <Frank.Li@nxp.com> Link: https://lore.kernel.org/r/20240207194733.2112870-1-Frank.Li@nxp.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
2024-02-16dmaengine: idxd: Remove shadow Event Log head stored in idxdFenghua Yu
head is defined in idxd->evl as a shadow of head in the EVLSTATUS register. There are two issues related to the shadow head: 1. Mismatch between the shadow head and the state of the EVLSTATUS register: If Event Log is supported, upon completion of the Enable Device command, the Event Log head in the variable idxd->evl->head should be cleared to match the state of the EVLSTATUS register. But the variable is not reset currently, leading mismatch between the variable and the register state. The mismatch causes incorrect processing of Event Log entries. 2. Unnecessary shadow head definition: The shadow head is unnecessary as head can be read directly from the EVLSTATUS register. Reading head from the register incurs no additional cost because event log head and tail are always read together and tail is already read directly from the register as required by hardware. Remove the shadow Event Log head stored in idxd->evl to address the mentioned issues. Fixes: 244da66cda35 ("dmaengine: idxd: setup event log configuration") Signed-off-by: Fenghua Yu <fenghua.yu@intel.com> Reviewed-by: Dave Jiang <dave.jiang@intel.com> Link: https://lore.kernel.org/r/20240215024931.1739621-1-fenghua.yu@intel.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
2024-02-16drm/buddy: Modify duplicate list_splice_tail callArunpravin Paneer Selvam
Remove the duplicate list_splice_tail call when the total_allocated < size condition is true. Cc: <stable@vger.kernel.org> # 6.7+ Fixes: 8746c6c9dfa3 ("drm/buddy: Fix alloc_range() error handling code") Reported-by: Bert Karwatzki <spasswolf@web.de> Signed-off-by: Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@amd.com> Reviewed-by: Matthew Auld <matthew.auld@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240216100048.4101-1-Arunpravin.PaneerSelvam@amd.com Signed-off-by: Christian König <christian.koenig@amd.com>
2024-02-16net: phy: aquantia: add AQR113 PHY IDChristian Marangi
Add Aquantia AQR113 PHY ID. Aquantia AQR113 is just a chip size variant of the already supported AQR133C where the only difference is the PHY ID and the hw chip size. Signed-off-by: Christian Marangi <ansuelsmth@gmail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2024-02-16net: ti: icssg-prueth: Remove duplicate cleanup calls in emac_ndo_stop()Diogo Ivo
Remove the duplicate calls to prueth_emac_stop() and prueth_cleanup_tx_chns() in emac_ndo_stop(). Signed-off-by: Diogo Ivo <diogo.ivo@siemens.com> Reviewed-by: Roger Quadros <rogerq@kernel.org> Reviewed-by: MD Danish Anwar <danishanwar@ti.com> Reviewed-by: Dan Carpenter <dan.carpenter@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2024-02-16soc/tegra: pmc: Add SD wake event for Tegra234Prathamesh Shete
Add SD wake event for Tegra234 so that system can be woken up from suspend when SD card hot-plug/unplug event is detected. Signed-off-by: Prathamesh Shete <pshete@nvidia.com> Signed-off-by: Petlozu Pravareshwar <petlozup@nvidia.com> Signed-off-by: Thierry Reding <treding@nvidia.com>
2024-02-16phy: qcom-qmp-usb: fix v3 offsets dataDmitry Baryshkov
The MSM8996 platform has registers setup different to the rest of QMP v3 USB platforms. It has PCS region at 0x600 and no PCS_MISC region, while other platforms have PCS region at 0x800 and PCS_MISC at 0x600. This results in the malfunctioning USB host on some of the platforms. The commit f74c35b630d4 ("phy: qcom-qmp-usb: fix register offsets for ipq8074/ipq6018") fixed the issue for IPQ platforms, but missed the SDM845 which has the same register layout. To simplify future platform addition and to make the driver more future proof, rename qmp_usb_offsets_v3 to qmp_usb_offsets_v3_msm8996 (to mark its peculiarity), rename qmp_usb_offsets_ipq8074 to qmp_usb_offsets_v3 and use it for SDM845 platform. Fixes: 2be22aae6b18 ("phy: qcom-qmp-usb: populate offsets configuration") Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://lore.kernel.org/r/20240213133824.2218916-1-dmitry.baryshkov@linaro.org Signed-off-by: Vinod Koul <vkoul@kernel.org>
2024-02-16soc/tegra: pmc: Update scratch as an optional aperturePetlozu Pravareshwar
Scratch address space register is used to store reboot reason. For some Tegra234 systems, the scratch space is not available to store the reboot reason. This is because scratch region on these systems is not accessible by the kernel as restricted by the Hypervisor. Such systems would delist scratch aperture from PMC DT node. Hence this change makes scratch as optional aperture and also avoids registering reboot notifier if scratch address space isn't mapped. Signed-off-by: Petlozu Pravareshwar <petlozup@nvidia.com> Signed-off-by: Thierry Reding <treding@nvidia.com>
2024-02-16soc/tegra: pmc: Update address mapping sequence for PMC aperturesPetlozu Pravareshwar
On Tegra SoCs prior to Tegra186, PMC has single address range only. Starting from and after Tegra186, PMC has additional address ranges apart from base address range. Currently in PMC driver, we try to map these additional address ranges on all SoCs and if we fail then we assume that the range is not valid for an SoC. This change makes it more explicit on which address ranges are expected to be present on which SoCs and maps the additional address ranges only on SoCs from and after Tegra186. Signed-off-by: Petlozu Pravareshwar <petlozup@nvidia.com> Signed-off-by: Thierry Reding <treding@nvidia.com>
2024-02-16bus: tegra-aconnect: Update dependency to ARCH_TEGRAPeter Robinson
Update the architecture dependency to be the generic Tegra because the driver works on the four latest Tegra generations not just Tegra210, if you build a kernel with a specific ARCH_TEGRA_xxx_SOC option that excludes Tegra210 you don't get this driver. Fixes: 46a88534afb59 ("bus: Add support for Tegra ACONNECT") Signed-off-by: Peter Robinson <pbrobinson@gmail.com> Cc: Jon Hunter <jonathanh@nvidia.com> Cc: Thierry Reding <treding@nvidia.com> Signed-off-by: Thierry Reding <treding@nvidia.com>
2024-02-16net: ethernet: adi: requires PHYLIB supportRandy Dunlap
This driver uses functions that are supplied by the Kconfig symbol PHYLIB, so select it to ensure that they are built as needed. When CONFIG_ADIN1110=y and CONFIG_PHYLIB=m, there are multiple build (linker) errors that are resolved by this Kconfig change: ld: drivers/net/ethernet/adi/adin1110.o: in function `adin1110_net_open': drivers/net/ethernet/adi/adin1110.c:933: undefined reference to `phy_start' ld: drivers/net/ethernet/adi/adin1110.o: in function `adin1110_probe_netdevs': drivers/net/ethernet/adi/adin1110.c:1603: undefined reference to `get_phy_device' ld: drivers/net/ethernet/adi/adin1110.c:1609: undefined reference to `phy_connect' ld: drivers/net/ethernet/adi/adin1110.o: in function `adin1110_disconnect_phy': drivers/net/ethernet/adi/adin1110.c:1226: undefined reference to `phy_disconnect' ld: drivers/net/ethernet/adi/adin1110.o: in function `devm_mdiobus_alloc': include/linux/phy.h:455: undefined reference to `devm_mdiobus_alloc_size' ld: drivers/net/ethernet/adi/adin1110.o: in function `adin1110_register_mdiobus': drivers/net/ethernet/adi/adin1110.c:529: undefined reference to `__devm_mdiobus_register' ld: drivers/net/ethernet/adi/adin1110.o: in function `adin1110_net_stop': drivers/net/ethernet/adi/adin1110.c:958: undefined reference to `phy_stop' ld: drivers/net/ethernet/adi/adin1110.o: in function `adin1110_disconnect_phy': drivers/net/ethernet/adi/adin1110.c:1226: undefined reference to `phy_disconnect' ld: drivers/net/ethernet/adi/adin1110.o: in function `adin1110_adjust_link': drivers/net/ethernet/adi/adin1110.c:1077: undefined reference to `phy_print_status' ld: drivers/net/ethernet/adi/adin1110.o: in function `adin1110_ioctl': drivers/net/ethernet/adi/adin1110.c:790: undefined reference to `phy_do_ioctl' ld: drivers/net/ethernet/adi/adin1110.o:(.rodata+0xf60): undefined reference to `phy_ethtool_get_link_ksettings' ld: drivers/net/ethernet/adi/adin1110.o:(.rodata+0xf68): undefined reference to `phy_ethtool_set_link_ksettings' Fixes: bc93e19d088b ("net: ethernet: adi: Add ADIN1110 support") Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202402070626.eZsfVHG5-lkp@intel.com/ Cc: Lennart Franzen <lennart@lfdomain.com> Cc: Alexandru Tachici <alexandru.tachici@analog.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Eric Dumazet <edumazet@google.com> Cc: Jakub Kicinski <kuba@kernel.org> Cc: Paolo Abeni <pabeni@redhat.com> Cc: netdev@vger.kernel.org Reviewed-by: Nuno Sa <nuno.sa@analog.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2024-02-16ionic: implement xdp frags supportShannon Nelson
Add support for using scatter-gather / frags in XDP in both Rx and Tx paths. Co-developed-by: Brett Creeley <brett.creeley@amd.com> Signed-off-by: Brett Creeley <brett.creeley@amd.com> Signed-off-by: Shannon Nelson <shannon.nelson@amd.com> Reviewed-by: Jacob Keller <jacob.e.keller@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2024-02-16ionic: add ndo_xdp_xmitShannon Nelson
When our ndo_xdp_xmit is called we mark the buffer with XDP_REDIRECT so we know to return it to the XDP stack for cleaning. Co-developed-by: Brett Creeley <brett.creeley@amd.com> Signed-off-by: Brett Creeley <brett.creeley@amd.com> Signed-off-by: Shannon Nelson <shannon.nelson@amd.com> Reviewed-by: Jacob Keller <jacob.e.keller@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2024-02-16ionic: Add XDP_REDIRECT supportShannon Nelson
The XDP_REDIRECT packets are given to the XDP stack and we drop the use of the related page: it will get freed by the driver that ends up doing the Tx. Because we have some hardware configurations with limited queue resources, we use the existing datapath Tx queues rather than creating and managing a separate set of xdp_tx queues. Co-developed-by: Brett Creeley <brett.creeley@amd.com> Signed-off-by: Brett Creeley <brett.creeley@amd.com> Signed-off-by: Shannon Nelson <shannon.nelson@amd.com> Reviewed-by: Jacob Keller <jacob.e.keller@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2024-02-16ionic: Add XDP_TX supportShannon Nelson
The XDP_TX packets get fed back into the Rx queue's partnered Tx queue as an xdp_frame. Co-developed-by: Brett Creeley <brett.creeley@amd.com> Signed-off-by: Brett Creeley <brett.creeley@amd.com> Signed-off-by: Shannon Nelson <shannon.nelson@amd.com> Reviewed-by: Jacob Keller <jacob.e.keller@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2024-02-16ionic: Add XDP packet headroomShannon Nelson
If an xdp program is loaded, add headroom at the beginning of the frame to allow for editing and insertions that an XDP program might need room for, and tailroom used later for XDP frame tracking. These are only needed in the first Rx buffer in a packet, not for any trailing frags. Co-developed-by: Brett Creeley <brett.creeley@amd.com> Signed-off-by: Brett Creeley <brett.creeley@amd.com> Signed-off-by: Shannon Nelson <shannon.nelson@amd.com> Reviewed-by: Jacob Keller <jacob.e.keller@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2024-02-16ionic: add initial framework for XDP supportShannon Nelson
Set up the basics for running Rx packets through XDP programs. Add new queue setup and teardown steps for adding/removing an XDP program, and add the call to run the XDP on a packet. The XDP frame size needs to be the MTU plus standard ethernet header, plus head room for XDP scribblings and tail room for a struct skb_shared_info. Also, at this point, we don't support XDP frags, only a single contiguous Rx buffer. This means that our page splitting is not very useful, so when XDP is in use we need to use the full Rx buffer size and not do sharing. Co-developed-by: Brett Creeley <brett.creeley@amd.com> Signed-off-by: Brett Creeley <brett.creeley@amd.com> Signed-off-by: Shannon Nelson <shannon.nelson@amd.com> Reviewed-by: Jacob Keller <jacob.e.keller@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2024-02-16ionic: use dma range APIsShannon Nelson
Convert Rx datapath handling to use the DMA range APIs in preparation for adding XDP handling. Signed-off-by: Shannon Nelson <shannon.nelson@amd.com> Reviewed-by: Brett Creeley <brett.creeley@amd.com> Reviewed-by: Jacob Keller <jacob.e.keller@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2024-02-16ionic: add helpers for accessing buffer infoShannon Nelson
These helpers clean up some of the code around DMA mapping and other buffer references, and will be used in the next few patches for the XDP support. Signed-off-by: Shannon Nelson <shannon.nelson@amd.com> Reviewed-by: Brett Creeley <brett.creeley@amd.com> Reviewed-by: Jacob Keller <jacob.e.keller@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2024-02-16ionic: set adminq irq affinityShannon Nelson
We claim to have the AdminQ on our irq0 and thus cpu id 0, but we need to be sure we set the affinity hint to try to keep it there. Signed-off-by: Shannon Nelson <shannon.nelson@amd.com> Reviewed-by: Brett Creeley <brett.creeley@amd.com> Reviewed-by: Jacob Keller <jacob.e.keller@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2024-02-16thunderbolt: Fix NULL pointer dereference in tb_port_update_credits()Mika Westerberg
Olliver reported that his system crashes when plugging in Thunderbolt 1 device: BUG: kernel NULL pointer dereference, address: 0000000000000020 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 0 P4D 0 Oops: 0000 [#1] PREEMPT SMP NOPTI RIP: 0010:tb_port_do_update_credits+0x1b/0x130 [thunderbolt] Call Trace: <TASK> ? __die+0x23/0x70 ? page_fault_oops+0x171/0x4e0 ? exc_page_fault+0x7f/0x180 ? asm_exc_page_fault+0x26/0x30 ? tb_port_do_update_credits+0x1b/0x130 ? tb_switch_update_link_attributes+0x83/0xd0 tb_switch_add+0x7a2/0xfe0 tb_scan_port+0x236/0x6f0 tb_handle_hotplug+0x6db/0x900 process_one_work+0x171/0x340 worker_thread+0x27b/0x3a0 ? __pfx_worker_thread+0x10/0x10 kthread+0xe5/0x120 ? __pfx_kthread+0x10/0x10 ret_from_fork+0x31/0x50 ? __pfx_kthread+0x10/0x10 ret_from_fork_asm+0x1b/0x30 </TASK> This is due the fact that some Thunderbolt 1 devices only have one lane adapter. Fix this by checking for the lane 1 before we read its credits. Reported-by: Olliver Schinagl <oliver@schinagl.nl> Closes: https://lore.kernel.org/linux-usb/c24c7882-6254-4e68-8f22-f3e8f65dc84f@schinagl.nl/ Fixes: 81af2952e606 ("thunderbolt: Add support for asymmetric link") Cc: stable@vger.kernel.org Cc: Gil Fine <gil.fine@linux.intel.com> Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
2024-02-16net: ravb: Add runtime PM supportClaudiu Beznea
Add runtime PM support for the ravb driver. As the driver is used by different IP variants, with different behaviors, to be able to have the runtime PM support available for all devices, the preparatory commits moved all the resources parsing and allocations in the driver's probe function and kept the settings for ravb_open(). This is due to the fact that on some IP variants-platforms tuples disabling/enabling the clocks will switch the IP to the reset operation mode where register contents is lost and reconfiguration needs to be done. For this the rabv_open() function enables the clocks, switches the IP to configuration mode, applies all the register settings and switches the IP to the operational mode. At the end of ravb_open() IP is ready to send/receive data. In ravb_close() necessary reverts are done (compared with ravb_open()), the IP is switched to reset mode and clocks are disabled. The ethtool APIs or IOCTLs that might execute while the interface is down are either cached (and applied in ravb_open()) or rejected (as at that time the IP is in reset mode). Keeping the IP in the reset mode also increases the power saved (according to the hardware manual). Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com> Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru> Signed-off-by: David S. Miller <davem@davemloft.net>
2024-02-16net: ravb: Do not apply features to hardware if the interface is downClaudiu Beznea
Do not apply features to hardware if the interface is down. In case runtime PM is enabled, and while the interface is down, the IP will be in reset mode (as for some platforms disabling the clocks will switch the IP to reset mode, which will lead to losing register contents) and applying settings in reset mode is not an option. Instead, cache the features and apply them in ravb_open() through ravb_emac_init(). To avoid accessing the hardware while the interface is down pm_runtime_active() check was introduced. Along with it the device runtime PM usage counter has been incremented to avoid disabling the device clocks while the check is in progress (if any). Commit prepares for the addition of runtime PM. Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com> Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru> Signed-off-by: David S. Miller <davem@davemloft.net>
2024-02-16net: ravb: Move the update of ndev->features to ravb_set_features()Claudiu Beznea
Commit c2da9408579d ("ravb: Add Rx checksum offload support for GbEth") introduced support for setting GbEth features. With this the IP-specific features update functions update the ndev->features individually. Next commits add runtime PM support for the ravb driver. The runtime PM implementation will enable/disable the IP clocks on the ravb_open()/ravb_close() functions. Accessing the IP registers with clocks disabled blocks the system. The ravb_set_features() function could be executed when the Ethernet interface is closed so we need to ensure we don't access IP registers while the interface is down when runtime PM support will be in place. For these, move the update of ndev->features to ravb_set_features(). In this way we update the ndev->features only when the IP-specific features set function returns success and we can avoid code duplication when introducing runtime PM registers protection. Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com> Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru> Signed-off-by: David S. Miller <davem@davemloft.net>
2024-02-16net: ravb: Return cached statistics if the interface is downClaudiu Beznea
Return the cached statistics in case the interface is down. There should be no drawback to this, as cached statistics are updated in ravb_close(). In order to avoid accessing the IP registers while the IP is runtime suspended pm_runtime_active() check was introduced. The device runtime PM usage counter has been incremented to avoid disabling the device clocks while the check is in progress (if any). The commit prepares the code for the addition of runtime PM support. Suggested-by: Sergey Shtylyov <s.shtylyov@omp.ru> Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com> Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru> Signed-off-by: David S. Miller <davem@davemloft.net>
2024-02-16net: ravb: Keep the reverse order of operations in ravb_close()Claudiu Beznea
Keep the reverse order of operations in ravb_close() when compared with ravb_open(). This is the recommended configuration sequence. Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com> Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru> Signed-off-by: David S. Miller <davem@davemloft.net>
2024-02-16net: ravb: Get rid of the temporary variable irqClaudiu Beznea
The 4th argument of ravb_setup_irq() is used to save the IRQ number that will be further used by the driver code. Not all ravb_setup_irqs() calls need to save the IRQ number. The previous code used to pass a dummy variable as the 4th argument in case the IRQ is not needed for further usage. That is not necessary as the code from ravb_setup_irq() can detect by itself if the IRQ needs to be saved. Thus, get rid of the code that is not needed. Reported-by: Sergey Shtylyov <s.shtylyov@omp.ru> Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com> Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru> Signed-off-by: David S. Miller <davem@davemloft.net>
2024-02-16Merge tag 'drm-msm-fixes-2024-02-15' of ↵Dave Airlie
https://gitlab.freedesktop.org/drm/msm into drm-fixes Fixes for v6.8-rc5 GPU: - dmabuf vmap fix - a610 UBWC corruption fix (incorrect hbb) - revert a commit that was making GPU recovery unreliable - tlb invalidation fix Signed-off-by: Dave Airlie <airlied@redhat.com> From: Rob Clark <robdclark@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/CAF6AEGszDSiw66+a=ttBr-hat+zrcBtfc_cZ4LQqXu89DJ0UeQ@mail.gmail.com
2024-02-16Merge tag 'amd-drm-fixes-6.8-2024-02-15-2' of ↵Dave Airlie
https://gitlab.freedesktop.org/agd5f/linux into drm-fixes amd-drm-fixes-6.8-2024-02-15-2: amdgpu: - PSR fixes - Suspend/resume fixes - Link training fix - Aspect ratio fix - DCN 3.5 fixes - VCN 4.x fix - GFX 11 fix - Misc display fixes - Misc small fixes amdkfd: - Cache size reporting fix - SIMD distribution fix Signed-off-by: Dave Airlie <airlied@redhat.com> From: Alex Deucher <alexander.deucher@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240215192452.11805-1-alexander.deucher@amd.com
2024-02-16Merge tag 'drm-xe-fixes-2024-02-15' of ↵Dave Airlie
https://gitlab.freedesktop.org/drm/xe/kernel into drm-fixes Driver Changes: - Fix an out-of-bounds shift. - Fix the display code thinking xe uses shmem - Fix a warning about index out-of-bound - Fix a clang-16 compilation warning Signed-off-by: Dave Airlie <airlied@redhat.com> From: Thomas Hellstrom <thomas.hellstrom@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/Zc4GpcrbFVqdK9Ws@fedora
2024-02-16Merge tag 'drm-intel-fixes-2024-02-15' of ↵Dave Airlie
git://anongit.freedesktop.org/drm/drm-intel into drm-fixes Fix for #10172: Blank screen on JSL Chromebooks. Stable fix to limit DP SST link rate to <=8.1Gbps. Signed-off-by: Dave Airlie <airlied@redhat.com> From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/Zc37W27F5OvoeSkG@jlahtine-mobl.ger.corp.intel.com
2024-02-16Merge tag 'drm-misc-fixes-2024-02-15' of ↵Dave Airlie
git://anongit.freedesktop.org/drm/drm-misc into drm-fixes A suspend/resume error fix for ivpu, a couple of scheduler fixes for nouveau, a patch to support large page arrays in prime, a uninitialized variable fix in crtc, a locking fix in rockchip/vop2 and a buddy allocator error reporting fix. Signed-off-by: Dave Airlie <airlied@redhat.com> From: Maxime Ripard <mripard@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/b4ffqzigtfh6cgzdpwuk6jlrv3dnk4hu6etiizgvibysqgtl2p@42n2gdfdd5eu
2024-02-15Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski
Cross-merge networking fixes after downstream PR. No conflicts. Adjacent changes: net/core/dev.c 9f30831390ed ("net: add rcu safety to rtnl_prop_list_size()") 723de3ebef03 ("net: free altname using an RCU callback") net/unix/garbage.c 11498715f266 ("af_unix: Remove io_uring code for GC.") 25236c91b5ab ("af_unix: Fix task hung while purging oob_skb in GC.") drivers/net/ethernet/renesas/ravb_main.c ed4adc07207d ("net: ravb: Count packets instead of descriptors in GbEth RX path" ) c2da9408579d ("ravb: Add Rx checksum offload support for GbEth") net/mptcp/protocol.c bdd70eb68913 ("mptcp: drop the push_pending field") 28e5c1380506 ("mptcp: annotate lockless accesses around read-mostly fields") Signed-off-by: Jakub Kicinski <kuba@kernel.org>
generated by cgit (git 2.34.1) at 2025-10-01 13:50:23 +0000