Hello:
This patch was applied to netdev/net.git (refs/heads/master):
On Fri, 11 Dec 2020 12:03:17 +0100 you wrote:
> With lockdep enabled, we will get following warning:
>
> ar9331_switch ethernet.1:10 lan0 (uninitialized): PHY [!ahb!ethernet@1a000000!mdio!switch@10:00] driver [Qualcomm Atheros AR9331 built-in PHY] (irq=13)
> BUG: sleeping function called from invalid context at kernel/locking/mutex.c:935
> in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 18, name: kworker/0:1
> INFO: lockdep is turned off.
> irq event stamp: 602
> hardirqs last enabled at (601): [<8073fde0>] _raw_spin_unlock_irq+0x3c/0x80
> hardirqs last disabled at (602): [<8073a4f4>] __schedule+0x184/0x800
> softirqs last enabled at (0): [<80080f60>] copy_process+0x578/0x14c8
> softirqs last disabled at (0): [<00000000>] 0x0
> CPU: 0 PID: 18 Comm: kworker/0:1 Not tainted 5.10.0-rc3-ar9331-00734-g7d644991df0c #31
> Workqueue: events deferred_probe_work_func
> Stack : 80980000 80980000 8089ef70 80890000 804b5414 80980000 00000002 80b53728
> 00000000 800d1268 804b5414 ffffffde 00000017 800afe08 81943860 0f5bfc32
> 00000000 00000000 8089ef70 819436c0 ffffffea 00000000 00000000 00000000
> 8194390c 808e353c 0000000f 66657272 80980000 00000000 00000000 80890000
> 804b5414 80980000 00000002 80b53728 00000000 00000000 00000000 80d40000
> ...
> Call Trace:
> [<80069ce0>] show_stack+0x9c/0x140
> [<800afe08>] ___might_sleep+0x220/0x244
> [<8073bfb0>] __mutex_lock+0x70/0x374
> [<8073c2e0>] mutex_lock_nested+0x2c/0x38
> [<804b5414>] regmap_update_bits_base+0x38/0x8c
> [<804ee584>] regmap_update_bits+0x1c/0x28
> [<804ee714>] ar9331_sw_unmask_irq+0x34/0x60
> [<800d91f0>] unmask_irq+0x48/0x70
> [<800d93d4>] irq_startup+0x114/0x11c
> [<800d65b4>] __setup_irq+0x4f4/0x6d0
> [<800d68a0>] request_threaded_irq+0x110/0x190
> [<804e3ef0>] phy_request_interrupt+0x4c/0xe4
> [<804df508>] phylink_bringup_phy+0x2c0/0x37c
> [<804df7bc>] phylink_of_phy_connect+0x118/0x130
> [<806c1a64>] dsa_slave_create+0x3d0/0x578
> [<806bc4ec>] dsa_register_switch+0x934/0xa20
> [<804eef98>] ar9331_sw_probe+0x34c/0x364
> [<804eb48c>] mdio_probe+0x44/0x70
> [<8049e3b4>] really_probe+0x30c/0x4f4
> [<8049ea10>] driver_probe_device+0x264/0x26c
> [<8049bc10>] bus_for_each_drv+0xb4/0xd8
> [<8049e684>] __device_attach+0xe8/0x18c
> [<8049ce58>] bus_probe_device+0x48/0xc4
> [<8049db70>] deferred_probe_work_func+0xdc/0xf8
> [<8009ff64>] process_one_work+0x2e4/0x4a0
> [<800a0770>] worker_thread+0x2a8/0x354
> [<800a774c>] kthread+0x16c/0x174
> [<8006306c>] ret_from_kernel_thread+0x14/0x1c
>
> [...]
Here is the summary with links:
- [v2] net: dsa: qca: ar9331: fix sleeping function called from invalid context bug
https://git.kernel.org/netdev/net/c/3e47495fc4de
You are awesome, thank you!
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