On Wed, Feb 27, 2019 at 02:58:17PM -0600, Alexandru Gagniuc wrote: > A warning is generated when a PCIe device is probed with a degraded > link, but there was no similar mechanism to warn when the link becomes > degraded after probing. The Link Bandwidth Notification provides this > mechanism. > > Use the link bandwidth notification interrupt to detect bandwidth > changes, and rescan the bandwidth, looking for the weakest point. This > is the same logic used in probe(). > > Signed-off-by: Alexandru Gagniuc <mr.nuke.me@xxxxxxxxx> Reviewed-by: Lukas Wunner <lukas@xxxxxxxxx>