From mboxrd@z Thu Jan  1 00:00:00 1970
From: Lukasz Majewski <l.majewski@samsung.com>
Date: Mon, 17 Dec 2012 18:37:22 +0100
Subject: [U-Boot] [PATCH 05/10] dfu: Only perform DFU board_usb_init()
 for TRATS
In-Reply-To: <20121217142853.GA6167@bill-the-cat>
References: <1354174439-5589-1-git-send-email-panto@antoniou-consulting.com>
	<1354174439-5589-6-git-send-email-panto@antoniou-consulting.com>
	<20121128154743.06b3da95@amdc308.digital.local>
	<20121217142853.GA6167@bill-the-cat>
Message-ID: <20121217183722.5671da52@amdc308.digital.local>
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Hi Tom,

> On Wed, Nov 28, 2012 at 03:47:43PM +0100, Lukasz Majewski wrote:
> 
> > Hi Pantelis,
> > 
> > > USB initialization shouldn't happen for all the boards.
> > > 
> > 
> > The board_usb_init() follows u-boot policy, that SoC IPs (USB) are
> > enabled and configured just before their usage.
> 
> Going back to this old thread as I dig at things again.  How much of
> s3c_udc_probe is actually enabling hardware as opposed to registering
> that such hardware exists and can be enabled when we call
> usb_gadget_register_driver ?  It looks like all of the clocking (and
> pin muxing?) is already being done.
> 

I will check if s3c_udc_probe can be removed totally and replaced by
usb_gadget_register_driver (since some time has passed from original
UDC driver posting).

-- 
Best regards,

Lukasz Majewski

Samsung Poland R&D Center | Linux Platform Group