linux-kernel - Atmel SoCs and the newly added CONFIG_DELAY_DEVICE

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Message-ID: <20151016181129.GA1764@gradator.net>
Date:	Fri, 16 Oct 2015 20:11:29 +0200
From:	Sylvain Rochet <sylvain.rochet@...secur.com>
To:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
	Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>,
	Nicolas Ferre <nicolas.ferre@...el.com>,
	Boris Brezillon <boris.brezillon@...e-electrons.com>,
	Wenyou Yang <Wenyou.Yang@...el.com>,
	Ludovic Desroches <ludovic.desroches@...el.com>,
	Tomeu Vizoso <tomeu.vizoso@...labora.com>
Subject: Atmel SoCs and the newly added CONFIG_DELAY_DEVICE_PROBES option

Hi,

FYI, to save you a git bisect, the recently added 
CONFIG_DELAY_DEVICE_PROBES (enabled by default) breaks Atmel SoCs.

For a few of quickly noticeable issues:
- PM is not working:   at91_pm_sram_init: sram pool unavailable!
- Watchdog is not even probed
- on -ek boards the wm8904 is not probed either.

Disabling CONFIG_DELAY_DEVICE_PROBES fixes all issues.

Tomeu, what should I provide to help find out what's happening ?

Sylvain
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