Re: [PATCH] Documentation: PCI: Document how to write PCI Host Controller drivers

> From: Manivannan Sadhasivam <[email protected]>
> 
> Writing a PCI Host Controller driver requires bringing up the Root Complex
> hardware and registering it with the PCI core in a specific sequence.
> Add a guide describing these steps to help developers write new drivers.
> 
> It covers the Root Complex topology and enumeration, and walks through the
> driver flow, including resource setup, Configuration Space accessors,
> address translation, interrupt handling, Link training, power management,
> shutdown and removal, using standard guidelines/best practices.
> 
> Signed-off-by: Manivannan Sadhasivam <[email protected]>

Sashiko has reviewed this patch and found no issues. It looks great!

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