Re: [PATCH] i2c: designware-pci: fix autosuspend cleanup during teardown

[Krzysztof Kozlowski]

On 09/08/2026 09:30, Guangshuo Li wrote:
> i2c_dw_pci_probe() calls pm_runtime_use_autosuspend(), but
> i2c_dw_pci_remove() does not call the matching
> pm_runtime_dont_use_autosuspend() during teardown.
> 
> If the autosuspend delay is set to a negative value while autosuspend
> is enabled, the runtime PM core increments usage_count to prevent
> runtime suspend. Without calling pm_runtime_dont_use_autosuspend()
> during teardown, this reference is not dropped.
> 
> The documentation for pm_runtime_use_autosuspend() also notes that it
> is important to undo it with pm_runtime_dont_use_autosuspend() at
> driver exit time, unless runtime PM was initially enabled with
> devm_pm_runtime_enable().
> 
> Add the missing pm_runtime_dont_use_autosuspend() call to the driver
> remove path.
> 
> This issue was found by manual code inspection.
> 
> Fixes: 18dbdda89f5c ("i2c-designware: Add runtime power management support")
> Cc: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Guangshuo Li <lgs201920130244@xxxxxxxxx>

You sent vast amount of patches, all separate, making it very difficult
to track and respond in efficient way. Do not do that.

Group your work per subsystem.

You were asked to clarify and respond to incorrect fixes statement. I do
not see how you clarified and responded at all.

Best regards,
Krzysztof