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2022-01-24scsi: qedf: Change context reset messages to ratelimitedSaurav Kashyap
If FCoE is not configured, libfc/libfcoe keeps on retrying FLOGI and after 3 retries driver does a context reset and tries fipvlan again. This leads to context reset message flooding the logs. Hence ratelimit the message to prevent flooding the logs. Link: https://lore.kernel.org/r/20220117135311.6256-4-njavali@marvell.com Signed-off-by: Saurav Kashyap <skashyap@marvell.com> Signed-off-by: Nilesh Javali <njavali@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2022-01-24scsi: qedf: Fix refcount issue when LOGO is received during TMFSaurav Kashyap
Hung task call trace was seen during LOGO processing. [ 974.309060] [0000:00:00.0]:[qedf_eh_device_reset:868]: 1:0:2:0: LUN RESET Issued... [ 974.309065] [0000:00:00.0]:[qedf_initiate_tmf:2422]: tm_flags 0x10 sc_cmd 00000000c16b930f op = 0x2a target_id = 0x2 lun=0 [ 974.309178] [0000:00:00.0]:[qedf_initiate_tmf:2431]: portid=016900 tm_flags =LUN RESET [ 974.309222] [0000:00:00.0]:[qedf_initiate_tmf:2438]: orig io_req = 00000000ec78df8f xid = 0x180 ref_cnt = 1. [ 974.309625] host1: rport 016900: Received LOGO request while in state Ready [ 974.309627] host1: rport 016900: Delete port [ 974.309642] host1: rport 016900: work event 3 [ 974.309644] host1: rport 016900: lld callback ev 3 [ 974.313243] [0000:61:00.2]:[qedf_execute_tmf:2383]:1: fcport is uploading, not executing flush. [ 974.313295] [0000:61:00.2]:[qedf_execute_tmf:2400]:1: task mgmt command success... [ 984.031088] INFO: task jbd2/dm-15-8:7645 blocked for more than 120 seconds. [ 984.031136] Not tainted 4.18.0-305.el8.x86_64 #1 [ 984.031166] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 984.031209] jbd2/dm-15-8 D 0 7645 2 0x80004080 [ 984.031212] Call Trace: [ 984.031222] __schedule+0x2c4/0x700 [ 984.031230] ? unfreeze_partials.isra.83+0x16e/0x1a0 [ 984.031233] ? bit_wait_timeout+0x90/0x90 [ 984.031235] schedule+0x38/0xa0 [ 984.031238] io_schedule+0x12/0x40 [ 984.031240] bit_wait_io+0xd/0x50 [ 984.031243] __wait_on_bit+0x6c/0x80 [ 984.031248] ? free_buffer_head+0x21/0x50 [ 984.031251] out_of_line_wait_on_bit+0x91/0xb0 [ 984.031257] ? init_wait_var_entry+0x50/0x50 [ 984.031268] jbd2_journal_commit_transaction+0x112e/0x19f0 [jbd2] [ 984.031280] kjournald2+0xbd/0x270 [jbd2] [ 984.031284] ? finish_wait+0x80/0x80 [ 984.031291] ? commit_timeout+0x10/0x10 [jbd2] [ 984.031294] kthread+0x116/0x130 [ 984.031300] ? kthread_flush_work_fn+0x10/0x10 [ 984.031305] ret_from_fork+0x1f/0x40 There was a ref count issue when LOGO is received during TMF. This leads to one of the I/Os hanging with the driver. Fix the ref count. Link: https://lore.kernel.org/r/20220117135311.6256-3-njavali@marvell.com Signed-off-by: Saurav Kashyap <skashyap@marvell.com> Signed-off-by: Nilesh Javali <njavali@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2022-01-24scsi: qedf: Add stag_work to all the vportsSaurav Kashyap
Call trace seen when creating NPIV ports, only 32 out of 64 show online. stag work was not initialized for vport, hence initialize the stag work. WARNING: CPU: 8 PID: 645 at kernel/workqueue.c:1635 __queue_delayed_work+0x68/0x80 CPU: 8 PID: 645 Comm: kworker/8:1 Kdump: loaded Tainted: G IOE --------- -- 4.18.0-348.el8.x86_64 #1 Hardware name: Dell Inc. PowerEdge MX740c/0177V9, BIOS 2.12.2 07/09/2021 Workqueue: events fc_lport_timeout [libfc] RIP: 0010:__queue_delayed_work+0x68/0x80 Code: 89 b2 88 00 00 00 44 89 82 90 00 00 00 48 01 c8 48 89 42 50 41 81 f8 00 20 00 00 75 1d e9 60 24 07 00 44 89 c7 e9 98 f6 ff ff <0f> 0b eb c5 0f 0b eb a1 0f 0b eb a7 0f 0b eb ac 44 89 c6 e9 40 23 RSP: 0018:ffffae514bc3be40 EFLAGS: 00010006 RAX: ffff8d25d6143750 RBX: 0000000000000202 RCX: 0000000000000002 RDX: ffff8d2e31383748 RSI: ffff8d25c000d600 RDI: ffff8d2e31383788 RBP: ffff8d2e31380de0 R08: 0000000000002000 R09: ffff8d2e31383750 R10: ffffffffc0c957e0 R11: ffff8d2624800000 R12: ffff8d2e31380a58 R13: ffff8d2d915eb000 R14: ffff8d25c499b5c0 R15: ffff8d2e31380e18 FS: 0000000000000000(0000) GS:ffff8d2d1fb00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055fd0484b8b8 CR3: 00000008ffc10006 CR4: 00000000007706e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 PKRU: 55555554 Call Trace: queue_delayed_work_on+0x36/0x40 qedf_elsct_send+0x57/0x60 [qedf] fc_lport_enter_flogi+0x90/0xc0 [libfc] fc_lport_timeout+0xb7/0x140 [libfc] process_one_work+0x1a7/0x360 ? create_worker+0x1a0/0x1a0 worker_thread+0x30/0x390 ? create_worker+0x1a0/0x1a0 kthread+0x116/0x130 ? kthread_flush_work_fn+0x10/0x10 ret_from_fork+0x35/0x40 ---[ end trace 008f00f722f2c2ff ]-- Initialize stag work for all the vports. Link: https://lore.kernel.org/r/20220117135311.6256-2-njavali@marvell.com Signed-off-by: Saurav Kashyap <skashyap@marvell.com> Signed-off-by: Nilesh Javali <njavali@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2022-01-24scsi: ufs: ufshcd-pltfrm: Check the return value of devm_kstrdup()Xiaoke Wang
devm_kstrdup() returns pointer to allocated string on success, NULL on failure. So it is better to check the return value of it. Link: https://lore.kernel.org/r/tencent_4257E15D4A94FF9020DDCC4BB9B21C041408@qq.com Reviewed-by: Bean Huo <beanhuo@micron.com> Signed-off-by: Xiaoke Wang <xkernel.wang@foxmail.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2022-01-24scsi: target: iscsi: Make sure the np under each tpg is uniqueZouMingzhe
iscsit_tpg_check_network_portal() has nested for_each loops and is supposed to return true when a match is found. However, the tpg loop will still continue after existing the tpg_np loop. If this tpg_np is not the last the match value will be changed. Break the outer loop after finding a match and make sure the np under each tpg is unique. Link: https://lore.kernel.org/r/20220111054742.19582-1-mingzhe.zou@easystack.cn Signed-off-by: ZouMingzhe <mingzhe.zou@easystack.cn> Reviewed-by: Mike Christie <michael.christie@oracle.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2022-01-24scsi: elx: efct: Don't use GFP_KERNEL under spin lockYang Yingliang
GFP_KERNEL/GFP_DMA can't be used under a spin lock. According the comment, els_ios_lock is used to protect els ios list so we can move down the spin lock to avoid using this flag under the lock. Link: https://lore.kernel.org/r/20220111012441.3232527-1-yangyingliang@huawei.com Fixes: 8f406ef72859 ("scsi: elx: libefc: Extended link Service I/O handling") Reported-by: Hulk Robot <hulkci@huawei.com> Reviewed-by: James Smart <jsmart2021@gmail.com> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2022-01-25drm/msm/dsi: invalid parameter check in msm_dsi_phy_enableJosé Expósito
The function performs a check on the "phy" input parameter, however, it is used before the check. Initialize the "dev" variable after the sanity check to avoid a possible NULL pointer dereference. Fixes: 5c8290284402b ("drm/msm/dsi: Split PHY drivers to separate files") Addresses-Coverity-ID: 1493860 ("Null pointer dereference") Signed-off-by: José Expósito <jose.exposito89@gmail.com> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://lore.kernel.org/r/20220116181844.7400-1-jose.exposito89@gmail.com Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
2022-01-25drm/msm/a6xx: Add missing suspend_count incrementRob Clark
Reported-by: Danylo Piliaiev <dpiliaiev@igalia.com> Fixes: 3ab1c5cc3939 ("drm/msm: Add param for userspace to query suspend count") Signed-off-by: Rob Clark <robdclark@chromium.org> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://lore.kernel.org/r/20220113163215.215367-1-robdclark@gmail.com Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
2022-01-25drm/msm: Fix wrong size calculationXianting Tian
For example, memory-region in .dts as below, reg = <0x0 0x50000000 0x0 0x20000000> We can get below values, struct resource r; r.start = 0x50000000; r.end = 0x6fffffff; So the size should be: size = r.end - r.start + 1 = 0x20000000 Signed-off-by: Xianting Tian <xianting.tian@linux.alibaba.com> Fixes: 072f1f9168ed ("drm/msm: add support for "stolen" mem") Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://lore.kernel.org/r/20220112123334.749776-1-xianting.tian@linux.alibaba.com Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
2022-01-25drm/msm/dpu: invalid parameter check in dpu_setup_dspp_pccJosé Expósito
The function performs a check on the "ctx" input parameter, however, it is used before the check. Initialize the "base" variable after the sanity check to avoid a possible NULL pointer dereference. Fixes: 4259ff7ae509e ("drm/msm/dpu: add support for pcc color block in dpu driver") Addresses-Coverity-ID: 1493866 ("Null pointer dereference") Signed-off-by: José Expósito <jose.exposito89@gmail.com> Link: https://lore.kernel.org/r/20220109192431.135949-1-jose.exposito89@gmail.com Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
2022-01-25drm/msm/hdmi: Fix missing put_device() call in msm_hdmi_get_phyMiaoqian Lin
The reference taken by 'of_find_device_by_node()' must be released when not needed anymore. Add the corresponding 'put_device()' in the error handling path. Fixes: e00012b256d4 ("drm/msm/hdmi: Make HDMI core get its PHY") Signed-off-by: Miaoqian Lin <linmq006@gmail.com> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://lore.kernel.org/r/20220107085026.23831-1-linmq006@gmail.com Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
2022-01-25drm/msm/dsi: Fix missing put_device() call in dsi_get_phyMiaoqian Lin
If of_find_device_by_node() succeeds, dsi_get_phy() doesn't a corresponding put_device(). Thus add put_device() to fix the exception handling. Fixes: ec31abf ("drm/msm/dsi: Separate PHY to another platform device") Signed-off-by: Miaoqian Lin <linmq006@gmail.com> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://lore.kernel.org/r/20211230070943.18116-1-linmq006@gmail.com Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
2022-01-25drm/msm: remove variable set but not usedYang Li
The code that uses variable mdss has been removed, So the declaration and assignment of the variable can be removed. Eliminate the following clang warning: drivers/gpu/drm/msm/msm_drv.c:513:19: warning: variable 'mdss' set but not used [-Wunused-but-set-variable] Reported-by: Abaci Robot <abaci@linux.alibaba.com> Fixes: 2027e5b3413d ("drm/msm: Initialize MDSS irq domain at probe time") Signed-off-by: Yang Li <yang.lee@linux.alibaba.com> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://lore.kernel.org/r/20211216031103.34146-1-yang.lee@linux.alibaba.com Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
2022-01-24net: use bool values to pass bool param of phy_init_eee()Jisheng Zhang
The 2nd param of phy_init_eee(): clk_stop_enable is a bool param, use true or false instead of 1/0. Signed-off-by: Jisheng Zhang <jszhang@kernel.org> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Link: https://lore.kernel.org/r/20220123152241.1480-1-jszhang@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-01-24net: fec_ptp: remove redundant initialization of variable valColin Ian King
Variable val is being initialized with a value that is never read, it is being re-assigned later. The assignment is redundant and can be removed. Signed-off-by: Colin Ian King <colin.i.king@gmail.com> Reviewed-by: Joakim Zhang <qiangqing.zhang@nxp.com> Link: https://lore.kernel.org/r/20220123184936.113486-1-colin.i.king@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-01-24net: usb: asix: remove redundant assignment to variable regColin Ian King
Variable reg is being masked however the variable is never read after this. The assignment is redundant and can be removed. Signed-off-by: Colin Ian King <colin.i.king@gmail.com> Reviewed-by: Oleksij Rempel <o.rempel@pengutronix.de> Link: https://lore.kernel.org/r/20220123184035.112785-1-colin.i.king@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-01-24Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-nextJakub Kicinski
Daniel Borkmann says: ==================== pull-request: bpf-next 2022-01-24 We've added 80 non-merge commits during the last 14 day(s) which contain a total of 128 files changed, 4990 insertions(+), 895 deletions(-). The main changes are: 1) Add XDP multi-buffer support and implement it for the mvneta driver, from Lorenzo Bianconi, Eelco Chaudron and Toke Høiland-Jørgensen. 2) Add unstable conntrack lookup helpers for BPF by using the BPF kfunc infra, from Kumar Kartikeya Dwivedi. 3) Extend BPF cgroup programs to export custom ret value to userspace via two helpers bpf_get_retval() and bpf_set_retval(), from YiFei Zhu. 4) Add support for AF_UNIX iterator batching, from Kuniyuki Iwashima. 5) Complete missing UAPI BPF helper description and change bpf_doc.py script to enforce consistent & complete helper documentation, from Usama Arif. 6) Deprecate libbpf's legacy BPF map definitions and streamline XDP APIs to follow tc-based APIs, from Andrii Nakryiko. 7) Support BPF_PROG_QUERY for BPF programs attached to sockmap, from Di Zhu. 8) Deprecate libbpf's bpf_map__def() API and replace users with proper getters and setters, from Christy Lee. 9) Extend libbpf's btf__add_btf() with an additional hashmap for strings to reduce overhead, from Kui-Feng Lee. 10) Fix bpftool and libbpf error handling related to libbpf's hashmap__new() utility function, from Mauricio Vásquez. 11) Add support to BTF program names in bpftool's program dump, from Raman Shukhau. 12) Fix resolve_btfids build to pick up host flags, from Connor O'Brien. * https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (80 commits) selftests, bpf: Do not yet switch to new libbpf XDP APIs selftests, xsk: Fix rx_full stats test bpf: Fix flexible_array.cocci warnings xdp: disable XDP_REDIRECT for xdp frags bpf: selftests: add CPUMAP/DEVMAP selftests for xdp frags bpf: selftests: introduce bpf_xdp_{load,store}_bytes selftest net: xdp: introduce bpf_xdp_pointer utility routine bpf: generalise tail call map compatibility check libbpf: Add SEC name for xdp frags programs bpf: selftests: update xdp_adjust_tail selftest to include xdp frags bpf: test_run: add xdp_shared_info pointer in bpf_test_finish signature bpf: introduce frags support to bpf_prog_test_run_xdp() bpf: move user_size out of bpf_test_init bpf: add frags support to xdp copy helpers bpf: add frags support to the bpf_xdp_adjust_tail() API bpf: introduce bpf_xdp_get_buff_len helper net: mvneta: enable jumbo frames if the loaded XDP program support frags bpf: introduce BPF_F_XDP_HAS_FRAGS flag in prog_flags loading the ebpf program net: mvneta: add frags support to XDP_TX xdp: add frags support to xdp_return_{buff/frame} ... ==================== Link: https://lore.kernel.org/r/20220124221235.18993-1-daniel@iogearbox.net Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-01-24hwmon: (nct6775) Fix crash in clear_caseopenGuenter Roeck
Paweł Marciniak reports the following crash, observed when clearing the chassis intrusion alarm. BUG: kernel NULL pointer dereference, address: 0000000000000028 PGD 0 P4D 0 Oops: 0000 [#1] PREEMPT SMP PTI CPU: 3 PID: 4815 Comm: bash Tainted: G S 5.16.2-200.fc35.x86_64 #1 Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z97 Extreme4, BIOS P2.60A 05/03/2018 RIP: 0010:clear_caseopen+0x5a/0x120 [nct6775] Code: 68 70 e8 e9 32 b1 e3 85 c0 0f 85 d2 00 00 00 48 83 7c 24 ... RSP: 0018:ffffabcb02803dd8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000000000 RDX: ffff8e8808192880 RSI: 0000000000000000 RDI: ffff8e87c7509a68 RBP: 0000000000000000 R08: 0000000000000001 R09: 000000000000000a R10: 000000000000000a R11: f000000000000000 R12: 000000000000001f R13: ffff8e87c7509828 R14: ffff8e87c7509a68 R15: ffff8e88494527a0 FS: 00007f4db9151740(0000) GS:ffff8e8ebfec0000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000028 CR3: 0000000166b66001 CR4: 00000000001706e0 Call Trace: <TASK> kernfs_fop_write_iter+0x11c/0x1b0 new_sync_write+0x10b/0x180 vfs_write+0x209/0x2a0 ksys_write+0x4f/0xc0 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x44/0xae The problem is that the device passed to clear_caseopen() is the hwmon device, not the platform device, and the platform data is not set in the hwmon device. Store the pointer to sio_data in struct nct6775_data and get if from there if needed. Fixes: 2e7b9886968b ("hwmon: (nct6775) Use superio_*() function pointers in sio_data.") Cc: Denis Pauk <pauk.denis@gmail.com> Cc: Bernhard Seibold <mail@bernhard-seibold.de> Reported-by: Paweł Marciniak <pmarciniak@lodz.home.pl> Tested-by: Denis Pauk <pauk.denis@gmail.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2022-01-24Merge tag 'linux-can-fixes-for-5.17-20220124' of ↵Jakub Kicinski
git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can Marc Kleine-Budde says: ==================== pull-request: can 2022-01-24 The first patch updates the email address of Brian Silverman from his former employer to his private address. The next patch fixes DT bindings information for the tcan4x5x SPI CAN driver. The following patch targets the m_can driver and fixes the introduction of FIFO bulk read support. Another patch for the tcan4x5x driver, which fixes the max register value for the regmap config. The last patch for the flexcan driver marks the RX mailbox support for the MCF5441X as support. * tag 'linux-can-fixes-for-5.17-20220124' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can: can: flexcan: mark RX via mailboxes as supported on MCF5441X can: tcan4x5x: regmap: fix max register value can: m_can: m_can_fifo_{read,write}: don't read or write from/to FIFO if length is 0 dt-bindings: can: tcan4x5x: fix mram-cfg RX FIFO config mailmap: update email address of Brian Silverman ==================== Link: https://lore.kernel.org/r/20220124175955.3464134-1-mkl@pengutronix.de Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-01-24can: flexcan: mark RX via mailboxes as supported on MCF5441XMarc Kleine-Budde
Most flexcan IP cores support 2 RX modes: - FIFO - mailbox The flexcan IP core on the MCF5441X cannot receive CAN RTR messages via mailboxes. However the mailbox mode is more performant. The commit | 1c45f5778a3b ("can: flexcan: add ethtool support to change rx-rtr setting during runtime") added support to switch from FIFO to mailbox mode on these cores. After testing the mailbox mode on the MCF5441X by Angelo Dureghello, this patch marks it (without RTR capability) as supported. Further the IP core overview table is updated, that RTR reception via mailboxes is not supported. Link: https://lore.kernel.org/all/20220121084425.3141218-1-mkl@pengutronix.de Tested-by: Angelo Dureghello <angelo@kernel-space.org> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2022-01-24can: tcan4x5x: regmap: fix max register valueMarc Kleine-Budde
The MRAM of the tcan4x5x has a size of 2K and starts at 0x8000. There are no further registers in the tcan4x5x making 0x87fc the biggest addressable register. This patch fixes the max register value of the regmap config from 0x8ffc to 0x87fc. Fixes: 6e1caaf8ed22 ("can: tcan4x5x: fix max register value") Link: https://lore.kernel.org/all/20220119064011.2943292-1-mkl@pengutronix.de Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2022-01-24can: m_can: m_can_fifo_{read,write}: don't read or write from/to FIFO if ↵Marc Kleine-Budde
length is 0 In order to optimize FIFO access, especially on m_can cores attached to slow busses like SPI, in patch | e39381770ec9 ("can: m_can: Disable IRQs on FIFO bus errors") bulk read/write support has been added to the m_can_fifo_{read,write} functions. That change leads to the tcan driver to call regmap_bulk_{read,write}() with a length of 0 (for CAN frames with 0 data length). regmap treats this as an error: | tcan4x5x spi1.0 tcan4x5x0: FIFO write returned -22 This patch fixes the problem by not calling the cdev->ops->{read,write)_fifo() in case of a 0 length read/write. Fixes: e39381770ec9 ("can: m_can: Disable IRQs on FIFO bus errors") Link: https://lore.kernel.org/all/20220114155751.2651888-1-mkl@pengutronix.de Cc: stable@vger.kernel.org Cc: Matt Kline <matt@bitbashing.io> Cc: Chandrasekar Ramakrishnan <rcsekar@samsung.com> Reported-by: Michael Anochin <anochin@photo-meter.com> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2022-01-24mmc: core: Wait for command setting 'Power Off Notification' bit to completeAndrey Skvortsov
SD card is allowed to signal busy on DAT0 up to 1s after the CMD49. According to SD spec (version 6.0 section 5.8.1.3) first host waits until busy of CMD49 is released and only then polls Power Management Status register up to 1s until the card indicates ready to power off. Without waiting for busy before polling status register sometimes card becomes unresponsive and system fails to suspend: [ 205.907459] Freezing remaining freezable tasks ... (elapsed 0.001 seconds) done. [ 206.421274] sunxi-mmc 1c0f000.mmc: data error, sending stop command [ 206.421321] sunxi-mmc 1c0f000.mmc: send stop command failed [ 206.421347] mmc0: error -110 reading status reg of PM func [ 206.421366] PM: dpm_run_callback(): mmc_bus_suspend+0x0/0x74 returns -110 [ 206.421402] mmcblk mmc0:aaaa: PM: failed to suspend async: error -110 [ 206.437064] PM: Some devices failed to suspend, or early wake event detected Tested with Sandisk Extreme PRO A2 64GB on Allwinner A64 system. Signed-off-by: Andrey Skvortsov <andrej.skvortzov@gmail.com> Fixes: 2c5d42769038 ("mmc: core: Add support for Power Off Notification for SD cards") Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20220115121447.641524-1-andrej.skvortzov@gmail.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2022-01-24mmc: sh_mmcif: Check for null res pointerJiasheng Jiang
If there is no suitable resource, platform_get_resource() will return NULL. Therefore in order to avoid the dereference of the NULL pointer, it should be better to check the 'res'. Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn> Cc: stable@vger.kernel.org # v5.16+ Link: https://lore.kernel.org/r/20220119120006.1426964-1-jiasheng@iscas.ac.cn Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2022-01-24mmc: sdhci-of-esdhc: Check for error num after setting maskJiasheng Jiang
Because of the possible failure of the dma_supported(), the dma_set_mask_and_coherent() may return error num. Therefore, it should be better to check it and return the error if fails. And since the sdhci_setup_host() has already checked the return value of the enable_dma, we need not check it in sdhci_resume_host() again. Fixes: 5552d7ad596c ("mmc: sdhci-of-esdhc: set proper dma mask for ls104x chips") Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn> Acked-by: Adrian Hunter <adrian.hunter@intel.com> Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20220112083156.1124782-1-jiasheng@iscas.ac.cn Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2022-01-24pinctrl: intel: Fix a glitch when updating IRQ flags on a preconfigured lineAndy Shevchenko
The commit af7e3eeb84e2 ("pinctrl: intel: Disable input and output buffer when switching to GPIO") hadn't taken into account an update of the IRQ flags scenario. When updating the IRQ flags on the preconfigured line the ->irq_set_type() is called again. In such case the sequential Rx buffer configuration changes may trigger a falling or rising edge interrupt that may lead, on some platforms, to an undesired event. This may happen because each of intel_gpio_set_gpio_mode() and __intel_gpio_set_direction() updates the pad configuration with a different value of the GPIORXDIS bit. Notable, that the intel_gpio_set_gpio_mode() is called only for the pads that are configured as an input. Due to this fact, integrate the logic of __intel_gpio_set_direction() call into the intel_gpio_set_gpio_mode() so that the Rx buffer won't be disabled and immediately re-enabled. Fixes: af7e3eeb84e2 ("pinctrl: intel: Disable input and output buffer when switching to GPIO") Reported-by: Kane Chen <kane.chen@intel.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com> Tested-by: Grace Kao <grace.kao@intel.com>
2022-01-24pinctrl: intel: fix unexpected interruptŁukasz Bartosik
ASUS Chromebook C223 with Celeron N3350 crashes sometimes during cold booot. Inspection of the kernel log showed that it gets into an inifite loop logging the following message: ->handle_irq(): 000000009cdb51e8, handle_bad_irq+0x0/0x251 ->irq_data.chip(): 000000005ec212a7, 0xffffa043009d8e7 ->action(): 00000 IRQ_NOPROBE set unexpected IRQ trap at vector 7c The issue happens during cold boot but only if cold boot happens at most several dozen seconds after Chromebook is powered off. For longer intervals between power off and power on (cold boot) the issue does not reproduce. The unexpected interrupt is sourced from INT3452 GPIO pin which is used for SD card detect. Investigation relevealed that when the interval between power off and power on (cold boot) is less than several dozen seconds then values of INT3452 GPIO interrupt enable and interrupt pending registers survive power off and power on sequence and interrupt for SD card detect pin is enabled and pending during probe of SD controller which causes the unexpected IRQ message. "Intel Pentium and Celeron Processor N- and J- Series" volume 3 doc mentions that GPIO interrupt enable and status registers default value is 0x0. The fix clears INT3452 GPIO interrupt enabled and interrupt pending registers in its probe function. Fixes: 7981c0015af2 ("pinctrl: intel: Add Intel Sunrisepoint pin controller and GPIO support") Signed-off-by: Łukasz Bartosik <lb@semihalf.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2022-01-24pinctrl: Place correctly CONFIG_PINCTRL_ST in the MakefileAndy Shevchenko
Keep Makefile entries ordered in the same way as Kconfig ones. Reported-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2022-01-24video: hyperv_fb: Fix validation of screen resolutionMichael Kelley
In the WIN10 version of the Synthetic Video protocol with Hyper-V, Hyper-V reports a list of supported resolutions as part of the protocol negotiation. The driver calculates the maximum width and height from the list of resolutions, and uses those maximums to validate any screen resolution specified in the video= option on the kernel boot line. This method of validation is incorrect. For example, the list of supported resolutions could contain 1600x1200 and 1920x1080, both of which fit in an 8 Mbyte frame buffer. But calculating the max width and height yields 1920 and 1200, and 1920x1200 resolution does not fit in an 8 Mbyte frame buffer. Unfortunately, this resolution is accepted, causing a kernel fault when the driver accesses memory outside the frame buffer. Instead, validate the specified screen resolution by calculating its size, and comparing against the frame buffer size. Delete the code for calculating the max width and height from the list of resolutions, since these max values have no use. Also add the frame buffer size to the info message to aid in understanding why a resolution might be rejected. Fixes: 67e7cdb4829d ("video: hyperv: hyperv_fb: Obtain screen resolution from Hyper-V host") Signed-off-by: Michael Kelley <mikelley@microsoft.com> Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com> Acked-by: Helge Deller <deller@gmx.de> Link: https://lore.kernel.org/r/1642360711-2335-1-git-send-email-mikelley@microsoft.com Signed-off-by: Wei Liu <wei.liu@kernel.org>
2022-01-24net: stmmac: remove unused members in struct stmmac_privJisheng Zhang
The tx_coalesce and mii_irq are not used at all now, so remove them. Signed-off-by: Jisheng Zhang <jszhang@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-01-24net: atlantic: Use the bitmap API instead of hand-writing itChristophe JAILLET
Simplify code by using bitmap_weight() and bitmap_zero() instead of hand-writing these functions. Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Reviewed-by: Igor Russkikh <irusskikh@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-01-24ibmvnic: remove unused ->wait_capabilitySukadev Bhattiprolu
With previous bug fix, ->wait_capability flag is no longer needed and can be removed. Fixes: 249168ad07cd ("ibmvnic: Make CRQ interrupt tasklet wait for all capabilities crqs") Signed-off-by: Sukadev Bhattiprolu <sukadev@linux.ibm.com> Reviewed-by: Dany Madden <drt@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-01-24ibmvnic: don't spin in taskletSukadev Bhattiprolu
ibmvnic_tasklet() continuously spins waiting for responses to all capability requests. It does this to avoid encountering an error during initialization of the vnic. However if there is a bug in the VIOS and we do not receive a response to one or more queries the tasklet ends up spinning continuously leading to hard lock ups. If we fail to receive a message from the VIOS it is reasonable to timeout the login attempt rather than spin indefinitely in the tasklet. Fixes: 249168ad07cd ("ibmvnic: Make CRQ interrupt tasklet wait for all capabilities crqs") Signed-off-by: Sukadev Bhattiprolu <sukadev@linux.ibm.com> Reviewed-by: Dany Madden <drt@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-01-24ibmvnic: init ->running_cap_crqs earlySukadev Bhattiprolu
We use ->running_cap_crqs to determine when the ibmvnic_tasklet() should send out the next protocol message type. i.e when we get back responses to all our QUERY_CAPABILITY CRQs we send out REQUEST_CAPABILITY crqs. Similiary, when we get responses to all the REQUEST_CAPABILITY crqs, we send out the QUERY_IP_OFFLOAD CRQ. We currently increment ->running_cap_crqs as we send out each CRQ and have the ibmvnic_tasklet() send out the next message type, when this running_cap_crqs count drops to 0. This assumes that all the CRQs of the current type were sent out before the count drops to 0. However it is possible that we send out say 6 CRQs, get preempted and receive all the 6 responses before we send out the remaining CRQs. This can result in ->running_cap_crqs count dropping to zero before all messages of the current type were sent and we end up sending the next protocol message too early. Instead initialize the ->running_cap_crqs upfront so the tasklet will only send the next protocol message after all responses are received. Use the cap_reqs local variable to also detect any discrepancy (either now or in future) in the number of capability requests we actually send. Currently only send_query_cap() is affected by this behavior (of sending next message early) since it is called from the worker thread (during reset) and from application thread (during ->ndo_open()) and they can be preempted. send_request_cap() is only called from the tasklet which processes CRQ responses sequentially, is not be affected. But to maintain the existing symmtery with send_query_capability() we update send_request_capability() also. Fixes: 249168ad07cd ("ibmvnic: Make CRQ interrupt tasklet wait for all capabilities crqs") Signed-off-by: Sukadev Bhattiprolu <sukadev@linux.ibm.com> Reviewed-by: Dany Madden <drt@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-01-24ibmvnic: Allow extra failures before disablingSukadev Bhattiprolu
If auto-priority-failover (APF) is enabled and there are at least two backing devices of different priorities, some resets like fail-over, change-param etc can cause at least two back to back failovers. (Failover from high priority backing device to lower priority one and then back to the higher priority one if that is still functional). Depending on the timimg of the two failovers it is possible to trigger a "hard" reset and for the hard reset to fail due to failovers. When this occurs, the driver assumes that the network is unstable and disables the VNIC for a 60-second "settling time". This in turn can cause the ethtool command to fail with "No such device" while the vnic automatically recovers a little while later. Given that it's possible to have two back to back failures, allow for extra failures before disabling the vnic for the settling time. Fixes: f15fde9d47b8 ("ibmvnic: delay next reset if hard reset fails") Signed-off-by: Sukadev Bhattiprolu <sukadev@linux.ibm.com> Reviewed-by: Dany Madden <drt@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-01-24bonding: use rcu_dereference_rtnl when get bonding active slaveHangbin Liu
bond_option_active_slave_get_rcu() should not be used in rtnl_mutex as it use rcu_dereference(). Replace to rcu_dereference_rtnl() so we also can use this function in rtnl protected context. With this update, we can rmeove the rcu_read_lock/unlock in bonding .ndo_eth_ioctl and .get_ts_info. Reported-by: Vladimir Oltean <vladimir.oltean@nxp.com> Fixes: 94dd016ae538 ("bond: pass get_ts_info and SIOC[SG]HWTSTAMP ioctl to active device") Signed-off-by: Hangbin Liu <liuhangbin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-01-24net: sfp: ignore disabled SFP nodeMarek Behún
Commit ce0aa27ff3f6 ("sfp: add sfp-bus to bridge between network devices and sfp cages") added code which finds SFP bus DT node even if the node is disabled with status = "disabled". Because of this, when phylink is created, it ends with non-null .sfp_bus member, even though the SFP module is not probed (because the node is disabled). We need to ignore disabled SFP bus node. Fixes: ce0aa27ff3f6 ("sfp: add sfp-bus to bridge between network devices and sfp cages") Signed-off-by: Marek Behún <kabel@kernel.org> Cc: stable@vger.kernel.org # 2203cbf2c8b5 ("net: sfp: move fwnode parsing into sfp-bus layer") Signed-off-by: David S. Miller <davem@davemloft.net>
2022-01-24platform/x86: amd-pmc: Correct usage of SMU versionMario Limonciello
Yellow carp has been outputting versions like `1093.24.0`, but this is supposed to be 69.24.0. That is the MSB is being interpreted incorrectly. The MSB is not part of the major version, but has generally been treated that way thus far. It's actually the program, and used to distinguish between two programs from a similar family but different codebase. Link: https://patchwork.freedesktop.org/patch/469993/ Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Link: https://lore.kernel.org/r/20220120174439.12770-1-mario.limonciello@amd.com Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2022-01-24platform/x86: asus-tf103c-dock: Make 2 global structs staticHans de Goede
tf103c_dock_hid_ll_driver and tf103c_dock_pm_ops are not used outside of the driver, make them both static. Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Link: https://lore.kernel.org/r/20220117112644.260168-2-hdegoede@redhat.com
2022-01-24platform/x86: amd-pmc: Make amd_pmc_stb_debugfs_fops staticHans de Goede
amd_pmc_stb_debugfs_fops is not used outside of amd-pmc.c, make it static. Cc: Sanket Goswami <Sanket.Goswami@amd.com> Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Link: https://lore.kernel.org/r/20220117112644.260168-1-hdegoede@redhat.com
2022-01-24platform/x86: ISST: Fix possible circular locking dependency detectedSrinivas Pandruvada
As reported: [ 256.104522] ====================================================== [ 256.113783] WARNING: possible circular locking dependency detected [ 256.120093] 5.16.0-rc6-yocto-standard+ #99 Not tainted [ 256.125362] ------------------------------------------------------ [ 256.131673] intel-speed-sel/844 is trying to acquire lock: [ 256.137290] ffffffffc036f0d0 (punit_misc_dev_lock){+.+.}-{3:3}, at: isst_if_open+0x18/0x90 [isst_if_common] [ 256.147171] [ 256.147171] but task is already holding lock: [ 256.153135] ffffffff8ee7cb50 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x2a/0x170 [ 256.160407] [ 256.160407] which lock already depends on the new lock. [ 256.160407] [ 256.168712] [ 256.168712] the existing dependency chain (in reverse order) is: [ 256.176327] [ 256.176327] -> #1 (misc_mtx){+.+.}-{3:3}: [ 256.181946] lock_acquire+0x1e6/0x330 [ 256.186265] __mutex_lock+0x9b/0x9b0 [ 256.190497] mutex_lock_nested+0x1b/0x20 [ 256.195075] misc_register+0x32/0x1a0 [ 256.199390] isst_if_cdev_register+0x65/0x180 [isst_if_common] [ 256.205878] isst_if_probe+0x144/0x16e [isst_if_mmio] ... [ 256.241976] [ 256.241976] -> #0 (punit_misc_dev_lock){+.+.}-{3:3}: [ 256.248552] validate_chain+0xbc6/0x1750 [ 256.253131] __lock_acquire+0x88c/0xc10 [ 256.257618] lock_acquire+0x1e6/0x330 [ 256.261933] __mutex_lock+0x9b/0x9b0 [ 256.266165] mutex_lock_nested+0x1b/0x20 [ 256.270739] isst_if_open+0x18/0x90 [isst_if_common] [ 256.276356] misc_open+0x100/0x170 [ 256.280409] chrdev_open+0xa5/0x1e0 ... The call sequence suggested that misc_device /dev file can be opened before misc device is yet to be registered, which is done only once. Here punit_misc_dev_lock was used as common lock, to protect the registration by multiple ISST HW drivers, one time setup, prevent duplicate registry of misc device and prevent load/unload when device is open. We can split into locks: - One which just prevent duplicate call to misc_register() and one time setup. Also never call again if the misc_register() failed or required one time setup is failed. This lock is not shared with any misc device callbacks. - The other lock protects registry, load and unload of HW drivers. Sequence in isst_if_cdev_register() - Register callbacks under punit_misc_dev_open_lock - Call isst_misc_reg() which registers misc_device on the first registry which is under punit_misc_dev_reg_lock, which is not shared with callbacks. Sequence in isst_if_cdev_unregister Just opposite of isst_if_cdev_register Reported-and-tested-by: Liwei Song <liwei.song@windriver.com> Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Link: https://lore.kernel.org/r/20220112022521.54669-1-srinivas.pandruvada@linux.intel.com Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2022-01-24platform/x86: intel_crystal_cove_charger: Fix IRQ masking / unmaskingHans de Goede
The driver as originally submitted accidentally relied on Android having run before and Android having unmasked the 2nd level IRQ-mask for the charger IRQ. This worked since these are PMIC registers which are only reset when the battery is fully drained or disconnected. Fix the charger IRQ no longer working after loss of battery power by properly setting the 2nd level IRQ-mask for the charger IRQ. Note this removes the need to enable/disable our parent IRQ which just sets the mask bit in the 1st level IRQ-mask register, setting one of the 2 level masks is enough to stop the IRQ from getting reported. Fixes: 761db353d9e2 ("platform/x86: Add intel_crystal_cove_charger driver") Signed-off-by: Hans de Goede <hdegoede@redhat.com> Link: https://lore.kernel.org/r/20220111232309.377642-1-hdegoede@redhat.com
2022-01-24platform/x86: thinkpad_acpi: Add quirk for ThinkPads without a fanAlexander Kobel
Some ThinkPad models, like the X1 Tablet 1st and 2nd Gen, are passively cooled without any fan. Currently, an entry in /proc/acpi/ibm/fan is nevertheless created, and misleadingly shows status: enabled speed: 65535 level: auto This patch adds a TPACPI_FAN_NOFAN quirk definition and corresponding handling to not initialize a fan interface at all. For the time being, the quirk is only applied for X1 Tablet 2nd Gen (types 20JB, 20JC; EC N1O...); further models (such as Gen1, types 20GG and 20GH) can be added easily once tested. Tested on a 20JCS00C00, BIOS N1OET58W (1.43), EC N1OHT34W. Signed-off-by: Alexander Kobel <a-kobel@a-kobel.de> Link: https://lore.kernel.org/r/12d4b825-a2b9-8cb7-6ed3-db4d66f46a60@a-kobel.de Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2022-01-24platform/x86: touchscreen_dmi: Add info for the RWC NANOTE P8 AY07J 2-in-1Yuka Kawajiri
Add touchscreen info for RWC NANOTE P8 (AY07J) 2-in-1. Signed-off-by: Yuka Kawajiri <yukx00@gmail.com> Link: https://lore.kernel.org/r/20220111154019.4599-1-yukx00@gmail.com Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2022-01-24platform/surface: Reinstate platform dependencyGeert Uytterhoeven
Microsoft Surface platform-specific devices are only present on Microsoft Surface platforms, which are currently limited to arm64 and x86. Hence add a dependency on ARM64 || X86, to prevent asking the user about drivers for these devices when configuring a kernel for an architecture that does not support Microsoft Surface platforms. Fixes: 272479928172edf0 ("platform: surface: Propagate ACPI Dependency") Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Maximilian Luz <luzmaximilian@gmail.com> Link: https://lore.kernel.org/r/20220115140849.269479-1-geert@linux-m68k.org Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2022-01-24platform/x86: x86-android-tablets: Trivial typo fix for MODULE_AUTHORLubomir Rintel
Bring balance to the quoting of Hans' e-mail address. Signed-off-by: Lubomir Rintel <lkundrak@v3.sk> Link: https://lore.kernel.org/r/20220110063629.273364-1-lkundrak@v3.sk Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2022-01-24platform/x86: x86-android-tablets: Fix the buttons on CZC P10T tabletLubomir Rintel
This switches the P10T tablet to "Android" mode, where the Home button sends a single sancode instead of a Windows-specific key combination and the other button doesn't disable the Wi-Fi. Signed-off-by: Lubomir Rintel <lkundrak@v3.sk> Link: https://lore.kernel.org/r/20220110063512.273252-1-lkundrak@v3.sk Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2022-01-24platform/x86: x86-android-tablets: Constify the gpiod_lookup_tables arraysHans de Goede
The individual gpiod_lookup_table structs cannot be const because they contain a list-head which gets used when registering them. But the array of pointers to the gpiod_lookup_table-s used by a board can be const, constify these. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Reviewed-By: Lubomir Rintel <lkundrak@V3.sk> Link: https://lore.kernel.org/r/20220110103952.48760-3-hdegoede@redhat.com
2022-01-24platform/x86: x86-android-tablets: Add an init() callback to struct x86_dev_infoHans de Goede
Add an init() callback to struct x86_dev_info, board descriptions can use this to do some custom setup before registering the i2c_clients, platform- devices and servdevs. Also add an exit() callback to also allow for cleanup of the custom setup. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Reviewed-By: Lubomir Rintel <lkundrak@V3.sk> Link: https://lore.kernel.org/r/20220110103952.48760-2-hdegoede@redhat.com
2022-01-24platform/x86: x86-android-tablets: Add support for disabling ACPI _AEI handlersHans de Goede
Some of the broken DSDTs on these devices often also include broken / wrong _AEI (ACPI Event Interrupt) handlers, which can cause e.g. interrupt storms by listening to a floating GPIO pin. Add support for disabling these and disable them on the Asus ME176C and TF103C tablets. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Reviewed-By: Lubomir Rintel <lkundrak@V3.sk> Link: https://lore.kernel.org/r/20220110103952.48760-1-hdegoede@redhat.com
generated by cgit (git 2.34.1) at 2025-09-13 13:24:59 +0000