Re: [PATCH] PCI: qcom: Power on pwrctrl devices for firmware-managed hosts

[Manivannan Sadhasivam]

On Thu, Nov 05, 2026 at 06:15:21PM +0800, Zhangfei Gao wrote:
> commit b921aa3f8dec ("PCI/pwrctrl: Switch to pwrctrl create, power
> on/off, destroy APIs") switched PCI pwrctrl users to explicit create and
> power control APIs, but only added the calls to the regular DesignWare
> host initialization path.
> 
> Firmware-managed hosts bypass that path and probe the ECAM host bridge
> directly. Endpoints already powered by firmware, such as NVMe devices,
> remain discoverable. Endpoints that rely on Linux pwrctrl and pwrseq,
> such as WCN7850, remain powered off and cannot be discovered.
> 

NACK. For FW initialized platforms, FW should power on the Endpoints before
booting Linux.

- Mani

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