[PATCH v3 4/7] PCI: dwc: Use common pci_host_common_link_train_delay() helper

Krzysztof Wilczyński kwilczynski at kernel.org
Tue May 12 00:14:55 PDT 2026


Hello,

> > > -	/*
> > > -	 * As per PCIe r6.0, sec 6.6.1, a Downstream Port that supports Link
> > > -	 * speeds greater than 5.0 GT/s, software must wait a minimum of 100 ms
> > > -	 * after Link training completes before sending a Configuration Request.
> > > -	 */
> > > -	if (pci->max_link_speed > 2)
> > > -		msleep(PCIE_RESET_CONFIG_WAIT_MS);
> > > +	pci_host_common_link_train_delay(pci->max_link_speed);
> > 
> > This comment could move to the helper you added.
> > 
> 
> Not required, as the macro definition in drivers/pci/pci.h already has an
> elaborative comment with spec citation.

So it does, indeed.  Thank you for checking!

	Krzysztof



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