linux-kernel - Re: [PATCH] Revert "bus: ti-sysc: Probe for l4_wkup and l4

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Message-ID: <34dc1291866a2035e5827e7ff3e267b90c6b121e.camel@siemens.com>
Date: Tue, 1 Apr 2025 07:06:22 +0000
From: "Sverdlin, Alexander" <alexander.sverdlin@...mens.com>
To: "tony@...mide.com" <tony@...mide.com>, "andreas@...nade.info"
	<andreas@...nade.info>
CC: "rogerq@...nel.org" <rogerq@...nel.org>, "aaro.koskinen@....fi"
	<aaro.koskinen@....fi>, "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>, "linux-omap@...r.kernel.org"
	<linux-omap@...r.kernel.org>, "khilman@...libre.com" <khilman@...libre.com>
Subject: Re: [PATCH] Revert "bus: ti-sysc: Probe for l4_wkup and l4_cfg
 interconnect devices first"

Thanks for review, Tony!

On Tue, 2025-04-01 at 06:57 +0300, Tony Lindgren wrote:
> > > This reverts commit 4700a00755fb5a4bb5109128297d6fd2d1272ee6.
> > > 
> > > It brakes target-module@...00050 ("ti,sysc-omap2") probe on AM62x in a case
> > > when minimally-configured system tries to network-boot:
> > > 
> > > [    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.
> > > Stable mmc enumeration can be achiever by filling /aliases node properly
> > > (4700a00755fb commit's rationale).
> 
> Would be nice to update the description to make it clear it breaks in all
> cases if there are not enough devices.

I'll re-spin with more clear description!

-- 
Alexander Sverdlin
Siemens AG
www.siemens.com