Fwd: ThinkPad L540: suspend not working (deep / S3 / standby, regression Linux 4.19 -> 6.1)

[Bagas Sanjaya <bagasdotme@gmail.com>]

Hi,

I notice a regression report on Bugzilla [1]. Quoting from it:

> ThinkPad L540 failed suspend deep dmesg output - Linux-6.1.27 from Debian-12
> 
> Since updating from Linux-4.19 to Linux-6.1.27 suspend deep is not working anymore.
> (a.k.a. S3, standby or suspend to ram)
> 
> Notebook: ThinkPad L540 20AU-S00N00
> OS: Debian-12 "Bookworm" (was Debian-10 "Buster" before)
> Kernel: Linux-6.1.27 from Debian-12 (was Linux-4.19 from Debian-10 before)
> 
> Can I provide any other helpful information?
> Do you need a test with a vanilla Linux-6.1 kernel?
> Should I perform any other tests or maybe try out boot parameters?
> 
> Full dmesg output attached.
> Excerpt:
> rmi4_f01 rmi4-00.fn01: Failed to write sleep mode: -6.
> rmi4_f01 rmi4-00.fn01: Suspend failed with code -6.
> rmi4_physical rmi4-00: Failed to suspend functions: -6
> rmi4_smbus 0-002c: Failed to suspend device: -6
> rmi4_smbus 0-002c: PM: dpm_run_callback(): rmi_smb_suspend+0x0/0x40 [rmi_smbus] returns -6
> rmi4_smbus 0-002c: PM: failed to suspend async: error -6
> sd 4:0:0:0: [sda] Synchronizing SCSI cache
> sd 4:0:0:0: [sda] Stopping disk
> PM: Some devices failed to suspend, or early wake event detected
> sd 4:0:0:0: [sda] Starting disk
> OOM killer enabled.
> Restarting tasks ... 
> rmi4_physical rmi4-00: rmi_driver_set_irq_bits: Failed to change enabled interrupts!
> psmouse: probe of serio2 failed with error -1
> 
> 
> 
> Maybe related:
> 
> 5.17-rc regression: X1 Carbon touchpad not resumed
> https://lore.kernel.org/lkml/YgF%2F0QGFN4SppLKg@shikoro/T/

FYI, I guess the regression is also introduced by 172d931910e1db
("i2c: enable async suspend/resume on i2c client devices") and
should have been fixed by 7b1f781f2d2460 ("Input: psmouse - set up
dependency between PS/2 and SMBus companions"), but it doesn't
fix the reporter's issue.

Anyway, I'm adding this to regzbot:

#regzbot introduced: v4.19..v6.1 https://bugzilla.kernel.org/show_bug.cgi?id=217462
#regzbot title: psmouse suspend failed on ThinkPad L540

Thanks.

[1]: https://bugzilla.kernel.org/show_bug.cgi?id=217462

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