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stefpopa
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Feb 14, 2018
| compatible = "ad5686r"; | ||
| reg = <0>; | ||
| spi-max-frequency = <1000000>; | ||
| #spi-cpol; |
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I would remove this comment (#spi-cpol).
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You are right! I missed that.
lclausen-adi
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Feb 14, 2018
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Looks good.
Just one comment for your commit messages try to set your editor up so it automatically breaks at 75 characters rather than manually breaking the lines. If you use vim Alex can help you set it up.
| status = "okay"; | ||
|
|
||
| ad5686r@0{ | ||
| compatible = "ad5686r"; |
This patch adds the missing rpi-ad5686-overlay.dts file and modifies the Makefile accordingly. Signed-off-by: Stefan Popa <stefan.popa@analog.com>
When support was added for new devices similar with AD5686, some of the new ADCs, such as AD5696, used the I2C interface, while the old driver only suported SPI. This is why two separate files were created: ad5686-spi.c and ad5696-i2c.c This patch adds support for the new files in the Makefile. Signed-off-by: Stefan Popa <stefan.popa@analog.com>
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changelog v1 -> v2:
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lclausen-adi
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Feb 15, 2018
commodo
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LGTM
will merge this later today if no other objections appear
mhennerich
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commodo
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Feb 19, 2021
Fix the following NULL pointer dereference in mt76u_status_worker that can occur if status thread runs before allocating tx queues [ 31.395373] BUG: kernel NULL pointer dereference, address: 000000000000002c [ 31.395769] #PF: supervisor read access in kernel mode [ 31.395985] #PF: error_code(0x0000) - not-present page [ 31.396178] PGD 0 P4D 0 [ 31.396277] Oops: 0000 [#1] SMP [ 31.396430] CPU: 3 PID: 337 Comm: mt76-usb-status Not tainted 5.10.0-rc1-kvm+ #49 [ 31.396703] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-3.fc33 04/01/2014 [ 31.397048] RIP: 0010:mt76u_status_worker+0x2b/0x190 [ 31.397931] RSP: 0018:ffffc9000076fe98 EFLAGS: 00010282 [ 31.398118] RAX: 0000000000000001 RBX: ffff888111203fe8 RCX: 0000000000000000 [ 31.398400] RDX: 0000000000000001 RSI: 0000000000000246 RDI: ffff888111203fe8 [ 31.398668] RBP: ffff888111201d00 R08: 000000000000038c R09: 000000000000009b [ 31.398952] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 31.399235] R13: 0000000000000000 R14: 0000000000000000 R15: ffff88810c987300 [ 31.399494] FS: 0000000000000000(0000) GS:ffff88817bd80000(0000) knlGS:0000000000000000 [ 31.399767] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.399991] CR2: 000000000000002c CR3: 0000000103525000 CR4: 00000000000006a0 [ 31.400236] Call Trace: [ 31.400348] ? schedule+0x3e/0xa0 [ 31.400514] __mt76_worker_fn+0x71/0xa0 [ 31.400634] ? mt76_get_min_avg_rssi+0x110/0x110 [ 31.400827] kthread+0x118/0x130 [ 31.400984] ? __kthread_bind_mask+0x60/0x60 [ 31.401212] ret_from_fork+0x1f/0x30 [ 31.401353] Modules linked in: [ 31.401480] CR2: 000000000000002c [ 31.401627] ---[ end trace 8bf174505cc34851 ]--- [ 31.401798] RIP: 0010:mt76u_status_worker+0x2b/0x190 [ 31.402636] RSP: 0018:ffffc9000076fe98 EFLAGS: 00010282 [ 31.402829] RAX: 0000000000000001 RBX: ffff888111203fe8 RCX: 0000000000000000 [ 31.403118] RDX: 0000000000000001 RSI: 0000000000000246 RDI: ffff888111203fe8 [ 31.403424] RBP: ffff888111201d00 R08: 000000000000038c R09: 000000000000009b [ 31.403689] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 31.403933] R13: 0000000000000000 R14: 0000000000000000 R15: ffff88810c987300 [ 31.404209] FS: 0000000000000000(0000) GS:ffff88817bd80000(0000) knlGS:0000000000000000 [ 31.404482] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.404726] CR2: 000000000000002c CR3: 0000000103525000 CR4: 00000000000006a0 [ 31.405294] mt76x0u: probe of 1-1:1.0 failed with error -110 [ 31.406007] usb 1-1: USB disconnect, device number 2 [ 31.840756] usb 1-1: new high-speed USB device number 3 using xhci_hcd [ 32.461295] usb 1-1: reset high-speed USB device number 3 using xhci_hcd [ 32.659932] mt76x0u 1-1:1.0: ASIC revision: 76100002 MAC revision: 76502000 [ 33.197032] mt76x0u 1-1:1.0: EEPROM ver:02 fae:01 Fixes: 9daf27e ("mt76: mt76u: use dedicated thread for status work") Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/cd44dc407cf3e5f27688105d4a75fb1c68e62b06.1607419147.git.lorenzo@kernel.org
rbolboac
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Sep 5, 2022
…LAG_DETACH is set During system resume from suspend, this can be observed on ASM1062 PMP controller: ata10.01: SATA link down (SStatus 0 SControl 330) ata10.02: hard resetting link ata10.02: SATA link down (SStatus 0 SControl 330) ata10.00: configured for UDMA/133 Kernel panic - not syncing: stack-protector: Kernel in: sata_pmp_eh_recover+0xa2b/0xa40 CPU: 2 PID: 230 Comm: scsi_eh_9 Tainted: P OE #49-Ubuntu Hardware name: System manufacturer System Product 1001 12/10/2017 Call Trace: dump_stack+0x63/0x8b panic+0xe4/0x244 ? sata_pmp_eh_recover+0xa2b/0xa40 __stack_chk_fail+0x19/0x20 sata_pmp_eh_recover+0xa2b/0xa40 ? ahci_do_softreset+0x260/0x260 [libahci] ? ahci_do_hardreset+0x140/0x140 [libahci] ? ata_phys_link_offline+0x60/0x60 ? ahci_stop_engine+0xc0/0xc0 [libahci] sata_pmp_error_handler+0x22/0x30 ahci_error_handler+0x45/0x80 [libahci] ata_scsi_port_error_handler+0x29b/0x770 ? ata_scsi_cmd_error_handler+0x101/0x140 ata_scsi_error+0x95/0xd0 ? scsi_try_target_reset+0x90/0x90 scsi_error_handler+0xd0/0x5b0 kthread+0x121/0x140 ? scsi_eh_get_sense+0x200/0x200 ? kthread_create_worker_on_cpu+0x70/0x70 ret_from_fork+0x22/0x40 Kernel Offset: 0xcc00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) Since sata_pmp_eh_recover_pmp() doens't set rc when ATA_DFLAG_DETACH is set, sata_pmp_eh_recover() continues to run. During retry it triggers the stack protector. Set correct rc in sata_pmp_eh_recover_pmp() to let sata_pmp_eh_recover() jump to pmp_fail directly. BugLink: https://bugs.launchpad.net/bugs/1821434 Cc: stable@vger.kernel.org Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
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One commit adds support in the Makefile for two new created files: ad5686-spi.c and ad5696-i2c.c.
The other one adds the missing rpi-ad5686-overlay.dts file and also modifies the Makefile.