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SubjectRe: [PATCH v7 5/9] ARM: OMAP: USB: Add phy binding information
Hi,

On Tue, Jun 18, 2013 at 04:43:44PM +0530, Kishon Vijay Abraham I wrote:
> >On Tue, Jun 18, 2013 at 03:34:36PM +0530, Kishon Vijay Abraham I wrote:
> >>On Tuesday 18 June 2013 03:14 PM, Felipe Balbi wrote:
> >>>On Thu, Jun 13, 2013 at 02:13:55PM +0530, Kishon Vijay Abraham I wrote:
> >>>>In order for controllers to get PHY in case of non dt boot, the phy
> >>>>binding information (phy device name) should be added in the platform
> >>>>data of the controller.
> >>>>
> >>>>Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
> >>>
> >>>I would rather not pass strings around, any other way to handle this ?
> >>>Why do you need to pass this string ?
> >>
> >>Our old way of binding the controller and the phy using device name
> >>started creating problems after the devices are created using
> >>PLATFORM_DEVID_AUTO. Infact non-dt boot is broken in mainline for
> >>OMAP3 platforms for which I have posted a RFC series
> >>http://www.serverphorums.com/read.php?12,708632 which also uses
> >>strings.
> >>I'm not sure of any other way to deal with this.
> >
> >have you checked how other frameworks handle it ? Regulator has some
> >sort of binding in board-files, but I guess it passes the regulator
> >name?
>
> From whatever I could make of, regulator has 3 ways to get the
> regulator one of which is using the binding in board-files (but it
> also uses device name which could create the same problem that we are
> facing).
>
> 1.) from dt data
> 2.) from _supply_ name
> 3.) from binding in board file
>
> (referred regulator_dev_lookup() in regulator/core.c)

right, spot on. Which means we don't have a better, more elegant
solution now. Let's go ahead with this.

--
balbi
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