Re: [PATCH] powerpc/powermac: Add missing lockdep_register_key()

From: Michael Ellerman
Date: Tue Dec 07 2021 - 08:28:42 EST


On Tue, 30 Nov 2021 10:32:42 +0100, Christophe Leroy wrote:
> KeyWest i2c @0xf8001003 irq 42 /uni-n@f8000000/i2c@f8001000
> BUG: key c2d00cbc has not been registered!
> ------------[ cut here ]------------
> DEBUG_LOCKS_WARN_ON(1)
> WARNING: CPU: 0 PID: 1 at kernel/locking/lockdep.c:4801 lockdep_init_map_type+0x4c0/0xb4c
> Modules linked in:
> CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.15.5-gentoo-PowerMacG4 #9
> NIP: c01a9428 LR: c01a9428 CTR: 00000000
> REGS: e1033cf0 TRAP: 0700 Not tainted (5.15.5-gentoo-PowerMacG4)
> MSR: 00029032 <EE,ME,IR,DR,RI> CR: 24002002 XER: 00000000
>
> [...]

Applied to powerpc/next.

[1/1] powerpc/powermac: Add missing lockdep_register_key()
https://git.kernel.org/powerpc/c/df1f679d19edb9eeb67cc2f96b29375f21991945

cheers