On 23.06.19 13:47, Martin Kepplinger wrote: > On 10.06.19 14:13, Abel Vesa wrote: >> This is another alternative for the RFC: >> https://lkml.org/lkml/2019/3/27/545 >> >> This new workaround proposal is a little bit more hacky but more contained >> since everything is done within the irq-imx-gpcv2 driver. >> >> Basically, it 'hijacks' the registered gic_raise_softirq __smp_cross_call >> handler and registers instead a wrapper which calls in the 'hijacked' >> handler, after that calling into EL3 which will take care of the actual >> wake up. This time, instead of expanding the PSCI ABI, we use a new vendor SIP. >> >> I also have the patches ready for TF-A but I'll hold on to them until I see if >> this has a chance of getting in. > Hi Abel, Running this workaround doesn't seem to work anymore on 5.4-rcX. Linux doesn't boot, with ATF unchanged (includes your workaround changes). I can try to add more details to this... Have you tested this for 5.4? Could you update this workaround? Please let me know if I missed any earlier update on this (having a cpu-sleep idle state). thanks! martin
