Re: beaglebone black boot failure Linux v5.15.rc1

From: Tony Lindgren
Date: Thu Sep 30 2021 - 04:06:59 EST


* Tony Lindgren <tony@xxxxxxxxxxx> [210922 08:49]:
> * Vaittinen, Matti <Matti.Vaittinen@xxxxxxxxxxxxxxxxx> [210922 08:45]:
> > Hi Tony & All,
> >
> >
> > On 9/21/21 10:47, Tony Lindgren wrote:
> > > * Matti Vaittinen <mazziesaccount@xxxxxxxxx> [210920 08:23]:
> > >
> > > It also allows leaving out the udelay for dra7 iva reset. Care to try
> > > this and see if it helps?
> >
> > Thanks Tony. I applied your patch on top of v5.15-rc1 and my BBB booted
> > up successfully. I didn't give it more than few attempts though. Do you
> > think that could merged as a fix to mainline?
> >
> > If so - feel free to add a
> > Tested-by: Matti Vaittinen <matti.vaittinen@xxxxxxxxxxxxxxxxx>
>
> OK great, good to hear! And thanks for testing :) Yeah I'll post a proper
> fix for mainline. But one thing to consider though..
>
> I'm wondering if we should always wait for the rstctrl bit to go down
> before we even attempt to check the rststs bit if a rststs registe
> exists.

I've sent out a proper patch for this at [0] below, please review and
test.

Regards,

Tony

[0] [PATCH] soc: ti: omap-prm: Fix external abort for am335x pruss
https://lore.kernel.org/linux-omap/20210930080100.56820-1-tony@xxxxxxxxxxx/T/#u