[PATCH] PCI: cadence: Disable Function Level Reset support
Parshuram Raju Thombare
pthombar at cadence.com
Tue Oct 19 20:38:47 PDT 2021
>Add blank lines between paragraphs.
>Write the text in imperative mood, e.g.,
Ok
> Disable FLR (Function Level Reset) support on all functions.
>It looks like this patch clears PCI_EXP_DEVCAP_FLR in the Device
>Capabilities register. From the point of view of Linux, that means
>the device doesn't *advertise* FLR support.
>
>That's different from actualy *disabling* FLR support, but maybe
>there's internal logic in the device that ignores
>PCI_EXP_DEVCTL_BCR_FLR when PCI_EXP_DEVCAP_FLR is cleared?
Yes, this patch is just to prevent device from advertising FLR support.
Regards,
Parshuram Thombare
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