Re: [PATCH v7 0/4] PCI: Add support for resetting the Root Ports in a platform specific way

Manivannan Sadhasivam
2026-03-11T14:40:10Z

On Wed, Mar 11, 2026 at 12:05:15PM +0100, Niklas Cassel wrote:
> On Tue, Mar 10, 2026 at 07:31:58PM +0530, Manivannan Sadhasivam via B4 Relay wrote:
> > Changes in v7:
> > - Dropped Rockchip Root port reset patch due to reported issues. But the series
> > works on other platforms as tested by others.
>
> Are you referring to
>
> ## On EP side:
> # echo 0 > /sys/kernel/config/pci_ep/controllers/a40000000.pcie-ep/start && \
> sleep 0.1 && echo 1 > /sys/kernel/config/pci_ep/controllers/a40000000.pcie-ep/start
>
> Then running pcitest only having 7 / 16 tests passed ?
>
> If so, isn't that a problem also for qcom?
>

No, tests are passing on my setup after link up.

>
> There is no chance that the patch:
> "misc: pci_endpoint_test: Add AER error handlers"
> improves things in this regard?
>
> Or will it simply avoid the "AER: device recovery failed" print?
>

Yes, as mentioned in the commit message, it just avoids the AER recovery failure
message.

- Mani

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