linux-kernel - Re: [PATCH 3/3] phy: ulpi: add driver for TI TUSB1210

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Message-ID: <20150121113958.GC22716@kuha.fi.intel.com>
Date:	Wed, 21 Jan 2015 13:39:58 +0200
From:	Heikki Krogerus <heikki.krogerus@...ux.intel.com>
To:	Felipe Balbi <balbi@...com>,
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Cc:	Kishon Vijay Abraham I <kishon@...com>,
	Baolu Lu <baolu.lu@...ux.intel.com>, linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] phy: ulpi: add driver for TI TUSB1210

Hi,

On Wed, Jan 21, 2015 at 11:17:49AM +0200, Heikki Krogerus wrote:
> On Tue, Jan 20, 2015 at 09:45:39AM -0600, Felipe Balbi wrote:
> > > diff --git a/drivers/phy/ulpi/tusb1210.c b/drivers/phy/ulpi/tusb1210.c
> > > new file mode 100644
> > > index 0000000..ac77f98
> > > --- /dev/null
> > > +++ b/drivers/phy/ulpi/tusb1210.c
> > 
> > do you really need this extra ulpi directory ?
> > 
> > I wonder if phy-tusb1210.c as a name would be enough.
> 
> IMO grouping the ULPI PHY drivers and other ULPI bus code into
> separate folder from the start is the right thing to do.

A correction to this comment. I probable don't need this folder. Like
you said, phy-tusb1210.c should be enough..

<snip>

> > In fact, we might decide to add an entire ULPI bus, eventually, though
> > I'm still considering if there's any benefit to that.
> 
> I don't think I understand this comment? ULPI bus is what I'm
> introducing in this set (the first patch in it)?

..I talked with Alex about this :). So I think the bus belongs under
drivers/usb/core/ instead of driver/phy/. It's not really tied to the
Generic PHY framework in any way, but ULPI is of course USB specific.


Cheers,

-- 
heikki
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