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From: Paul Walmsley <>
To: Wolfram Sang <>, NeilBrown <>
	Benoit Cousson <>,
	Tony Lindgren <>,
	Wolfram Sang <>
Subject: Re: [PATCH] ARM: OMAP2+: don't try to register the main clock twice.
Date: Fri, 11 Apr 2014 18:33:53 +0000 (UTC)	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

Hi Wolfram, Neil,

On Fri, 28 Mar 2014, Wolfram Sang wrote:

> From: NeilBrown <>
> If omap_device_alloc is given 2 or more "struct omap_hwmod" it will try
> to register the 'main_clk' of each of them with the same alias - "fck" -
> against the same device.  This fails. So to avoid a warning, don't even
> try.
> Signed-off-by: NeilBrown <>
> [wsa: ported to top-of-tree]
> Signed-off-by: Wolfram Sang <>

What devices and hwmods cause this warning on AM335x?   Ideally, there 
should only be one hwmod per device.  Usually when multiple hwmods are 
stacked up for a device, it means that something isn't right - either the 
hwmod data, or the device driver itself. 

In the specific context of this patch, the problem would be: what if the 
two hwmods have different main_clk entries?  Which one should be 
associated with the "fck" alias?

- Paul

  reply	other threads:[~2014-04-11 18:33 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-03-28 11:50 Wolfram Sang
2014-04-11 18:33 ` Paul Walmsley [this message]
2014-04-17  8:55   ` Wolfram Sang
2014-05-07 23:20     ` Paul Walmsley
2014-05-08  7:02       ` Wolfram Sang

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