linux-kernel - Re: [RFC PATCH v2 1/2] mfd: syscon: Support early initialization

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Date:	Wed, 19 Feb 2014 15:14:09 +0400
From:	Alexander Shiyan <shc_work@...l.ru>
To:	Michal Simek <michal.simek@...inx.com>
Cc:	linux-arm-kernel@...ts.infradead.org,
	Arnd Bergmann <arnd@...db.de>,
	Michal Simek <monstr@...str.eu>,
	Lee Jones <lee.jones@...aro.org>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH v2 1/2] mfd: syscon: Support early initialization

Среда, 19 февраля 2014, 12:04 +01:00 от Michal Simek <michal.simek@...inx.com>:
> Some platforms need to get system controller
> ready as soon as possible.
> The patch provides early_syscon_initialization
> which create early mapping for all syscon compatible
> devices in early_syscon_probe.
> Regmap is get via syscon_early_regmap_lookup_by_phandle()
> 
> Regular device probes attach device to regmap
> via regmap_attach_dev().
> 
> For early syscon initialization is necessary to extend
> struct syscon and provide remove function
> which unmap all early init structures.
> 
> Signed-off-by: Michal Simek <michal.simek@...inx.com>
> ---
...

> +static struct of_device_id of_syscon_ids[] = {
> +	{ .compatible = "syscon" },
> +	{},
>  };

You should move syscon_ids out of #ifdef CONFIG_OF

---