[PATCH v5 1/4] PCI/ERR: Add support for resetting the Root Ports in a platform specific way
Manivannan Sadhasivam
mani at kernel.org
Tue Jul 15 02:19:56 PDT 2025
On Tue, Jul 15, 2025 at 10:16:27AM GMT, Lukas Wunner wrote:
> On Tue, Jul 15, 2025 at 01:29:18PM +0530, Manivannan Sadhasivam wrote:
> > --- a/drivers/pci/pci.c
> > +++ b/drivers/pci/pci.c
> > @@ -4964,7 +4964,19 @@ void pci_reset_secondary_bus(struct pci_dev *dev)
> >
> > void __weak pcibios_reset_secondary_bus(struct pci_dev *dev)
> > {
> > + struct pci_host_bridge *host = pci_find_host_bridge(dev->bus);
> > + int ret;
> > +
> > + if (host->reset_root_port) {
> > + ret = host->reset_root_port(host, dev);
> > + if (ret)
> > + pci_err(dev, "Failed to reset Root Port: %d\n", ret);
> > +
> > + return;
> > + }
> > +
>
> There used to be a pci_is_root_bus() check here:
>
> https://lore.kernel.org/r/20250524185304.26698-2-manivannan.sadhasivam@linaro.org/
>
Right. I forgot to include that series, but somehow managed to remember the
s/slot/root_port change.
Will incorporate in next revision, thanks!
- Mani
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