Re: [PATCH 0/5] PCI/pwrctl: Ensure that the pwrctl drivers are probed before PCI client drivers

From: Krzysztof Wilczyński
Date: Sun Nov 03 2024 - 15:31:21 EST


Hello,

> This series reworks the PCI/pwrctl integration to ensure that the pwrctl drivers
> are always probed before the PCI client drivers. This series addresses a race
> condition when both pwrctl and pwrctl/pwrseq drivers probe parallely (even when
> the later one probes last). One such issue was reported for the Qcom X13s
> platform with WLAN module and fixed with 'commit a9aaf1ff88a8 ("power:
> sequencing: request the WLAN enable GPIO as-is")'.
>
> Though the issue was fixed with a hack in the pwrseq driver, it was clear that
> the issue is applicable to all pwrctl drivers. Hence, this series tries to
> address the issue in the PCI/pwrctl integration.

Applied to bwctrl, thank you!

[01/05] PCI/pwrctl: Use of_platform_device_create() to create pwrctl devices
https://git.kernel.org/pci/pci/c/d2b6619e7419

[02/05] PCI/pwrctl: Create pwrctl devices only if at least one power supply is present
https://git.kernel.org/pci/pci/c/5f2710a4c275

[03/05] PCI/pwrctl: Ensure that the pwrctl drivers are probed before the PCI client drivers
https://git.kernel.org/pci/pci/c/4c963d4c13b9

[04/05] PCI/pwrctl: Move pwrctl device creation to its own helper function
https://git.kernel.org/pci/pci/c/73ae23a6af78

[05/05] PCI/pwrctl: Remove pwrctl device without iterating over all children of pwrctl parent
https://git.kernel.org/pci/pci/c/5ccc52fd1e5a

Krzysztof