linux-kernel - Re: [PATCH] driver core: fixup reversed deferred probe order

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Date:	Tue, 12 Jun 2012 17:03:38 -0700 (PDT)
From:	Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	linux-kernel@...r.kernel.org, Simon Horman <horms@...ge.net.au>,
	Paul Mundt <lethal@...ux-sh.org>, Rafael <rjw@...k.pl>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Magnus <magnus.damm@...il.com>,
	Linux-SH <linux-sh@...r.kernel.org>,
	Kuninori Morimoto <kuninori.morimoto.gx@...il.com>
Subject: Re: [PATCH] driver core: fixup reversed deferred probe order


Hi Greg

Thank you for checking this patch

> > If driver requests probe deferral,
> > it will be added to deferred_probe_pending_list
> > by driver_deferred_probe_add(), but, it used list_add().
> > Because of that, deferred probe will be run as reversed order.
> > This patch uses list_add_tail(), and solved this issue.
> 
> Is this causing a problem with 3.5-rc2 on some systems, so it needs to
> get into 3.5-final, or can it wait for 3.6?

ALSA SoC sound card detection order was broken by this issue in v3.5-rcX
(on some board).
So, I'm happy if it was included in v3.5-final.

Best regards
---
Kuninori Morimoto
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