Re: [RFC 0/2] Add workaround for core wake-up on IPI for i.MX8MQ

[Abel Vesa]

On 19-11-08 15:17:12, Martin Kepplinger wrote:
> On 08.11.19 12:50, Abel Vesa wrote:
> > On 19-11-08 12:21:21, Martin Kepplinger wrote:
> > 
> >> Hi Leonard, hi Abel,
> >>
> >> Thanks for having a look! To sum up this problem and not to get confused:
> >>
> >> We have the workaround that changes irq-imx-gpcv2 from this very email
> >> thread, to be used with mainline ATF. when applying Abel's recent diff,
> >> Linux 5.4 boots but I still don't have a cpuidle driver.
> >>
> >> When I enable CONFIG_ARM_PSCI_CPUIDLE, the kernel hangs during boot
> >> (after probing mmc, but that doesn't tell much)
> >>
> >> What do I miss?
> >>
> > 
> > OK, please fetch the branches called "imx8mq-err11171" from both following github repos and give it a try:
> > 
> > https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Fabelvesa%2Flinux.git&data=02%7C01%7Cabel.vesa%40nxp.com%7C663191bd4af6489d08f808d764565ca2%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C0%7C637088194388256459&sdata=HydsZLtPExbRx7qDByTI%2FCYFGYS67fU9FDsLmHy7x7o%3D&reserved=0
> > 
> > and
> > 
> > https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Fabelvesa%2Farm-trusted-firmware.git&data=02%7C01%7Cabel.vesa%40nxp.com%7C663191bd4af6489d08f808d764565ca2%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C0%7C637088194388256459&sdata=zkCpOrEvoiNGj7BBuVuHzTWmBFaZk0SCuePOKZA3T2o%3D&reserved=0
> > 
> > I just tested it. Works with defconfig.
> > 
> 
> thanks for the reminder. I was missing IMX_SCU_PD appearently.
> 

There is no SCU on 8MQ so I don't think that was the problem.

Maybe something else.

> thanks for the effort, I hope this is useful for others too.

I'll try to keep those up-to-date.

> 
>                          martin
>