On 2019-05-31 2:12 p.m., Russell King - ARM Linux admin wrote: > On Fri, May 31, 2019 at 01:18:02PM -0600, Robert Hancock wrote: >> SFP device polling can cause problems during the shutdown process if the >> parent devices of the network controller have been shut down already. >> This problem was seen on the iMX6 platform with PCIe devices, where >> accessing the device after the bus is shut down causes a hang. >> >> Stop all delayed work in the SFP driver during the shutdown process to >> avoid this problem. > > What about interrupts?
Indeed, missed that as the GPIO controller this was being used with didn't support interrupts. Will update the patch. -- Robert Hancock Senior Software Developer SED Systems, a division of Calian Ltd. Email: hanc...@sedsystems.ca
