linux-kernel - Re: [RFC PATCH] ARM: dts: am33xx: Re-arrange the USB dt to reflect the h/w configuration

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Message-ID: <20140518000908.GA2092@arch.cereza>
Date:	Sat, 17 May 2014 21:09:08 -0300
From:	Ezequiel Garcia <ezequiel@...guardiasur.com.ar>
To:	Tony Lindgren <tony@...mide.com>
Cc:	George Cherian <george.cherian@...com>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org, linux-omap@...r.kernel.org,
	linux@....linux.org.uk, galak@...eaurora.org,
	ijc+devicetree@...lion.org.uk, mark.rutland@....com,
	pawel.moll@....com, robh+dt@...nel.org, bcousson@...libre.com,
	bigeasy@...utronix.de, yegorslists@...glemail.com, balbi@...com
Subject: Re: [RFC PATCH] ARM: dts: am33xx: Re-arrange the USB dt to reflect
 the h/w configuration

Hello Tony,

On 14 May 02:50 PM, Tony Lindgren wrote:
> * George Cherian <george.cherian@...com> [140508 23:34]:
> > Re arrange the USB dt for AM33xx to take it a bit closer
> > to the hardware configuration.
> > 
[..]
> 
> Is this just a cosmetic change or is this trying to workaround
> some edma related init order issue?
> 

This was an attempt from George to workaround an that happens when
the musb_am335x module is removed. However, we've agreed to prevent
the removal instead. I've just (re)sent a patch for it:

See: [PATCH for v3.15] usb: musb: Fix panic upon musb_am335x module removal

AFAIK, this fixes a serious problem so I've marked it for stable.

For the DMA init order issue, I've done a new patch that forces the
probe order in the driver. I'll post that soon.
-- 
Ezequiel Garcia, VanguardiaSur
www.vanguardiasur.com.ar
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