Re: [PATCH] Revert "bus: ti-sysc: Probe for l4_wkup and l4_cfg interconnect devices first"

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Hi Tony,

On Wed, 2025-03-19 at 05:56 +0200, Tony Lindgren wrote:
> > > > > This reverts commit 4700a00755fb5a4bb5109128297d6fd2d1272ee6.
> > > > > 
> > > > > It brakes target-module@2b300050 ("ti,sysc-omap2") probe on AM62x in a case
> > > > > when minimally-configured system tries to network-boot:
> > > > >    
> > > > brakes or breaks? To unterstand the severity of the issue...  
> > > 
> > > Thanks for the correction, it should have been "breaks"...
> > > 
> > > > > [    6.888776] probe of 2b300050.target-module returned 517 after 258 usecs
> > > > > [   17.129637] probe of 2b300050.target-module returned 517 after 708 usecs
> > > > > [   17.137397] platform 2b300050.target-module: deferred probe pending: (reason unknown)
> > > > > [   26.878471] Waiting up to 100 more seconds for network.
> > > > > 
> > > > > Arbitrary 10 deferrals is really not a solution to any problem.  

...

> Reverting the commit does not really fix the root cause. It just ignores
> the problem of the hierarchy of the interconnect instances. Some of the
> interconnect instances are always-on, and contain devices providing
> resources for the other interconnect devices. So I would not consider
> patching MMC aliases all over the place as an alternative to fixing the
> real problem :)

I suppose you still have the test case which didn't work for you back then?
Because in this case I could help you with proper mmc aliases.

-- 
Alexander Sverdlin
Siemens AG
www.siemens.com




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