linux-kernel - Re: [PATCH v3 1/1] usb: ulpi: ulpi_init should be executed in subsys

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Message-ID: <20150525120901.GA29501@kuha.fi.intel.com>
Date:	Mon, 25 May 2015 15:09:01 +0300
From:	Heikki Krogerus <heikki.krogerus@...ux.intel.com>
To:	David Cohen <david.a.cohen@...ux.intel.com>,
	Felipe Balbi <balbi@...com>
Cc:	Lu Baolu <baolu.lu@...ux.intel.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 1/1] usb: ulpi: ulpi_init should be executed in
 subsys_initcall

On Fri, May 22, 2015 at 09:08:45AM -0700, David Cohen wrote:
> Hi,
> 
> On Fri, May 22, 2015 at 07:29:15PM +0800, Lu Baolu wrote:
> > Phy drivers and the ulpi interface providers depend on the
> > registeration of the ulpi bus.  Ulpi registers the bus in
> > module_init(). This could result in a load order issue, i.e.
> 
> It's still not an issue :(
> I'd say "unnecessary probe delays".
> 
> But of cource it's Felipe's call :) Description looks better now.
> 
> BR, David
> 
> > ulpi phy drivers or the ulpi interface providers loading
> > before the bus registeration.
> > 
> > This patch fixes this load order issue by putting ulpi_init
> > in subsys_initcall().
> > 
> > Reported-by: Zhuo Qiuxu <qiuxu.zhuo@...el.com>
> > Signed-off-by: Lu Baolu <baolu.lu@...ux.intel.com>

Adding Felipe. FWIW, my ACK in any case:

Acked-by: Heikki Krogerus <heikki.krogerus@...ux.intel.com>


Thanks,

-- 
heikki
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