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

Felipe Balbi balbi at ti.com
Tue Jun 18 10:57:25 EDT 2013


Hi,

On Tue, Jun 18, 2013 at 08:25:00PM +0530, Kishon Vijay Abraham I wrote:
> Hi,
> 
> On Tuesday 18 June 2013 06:05 PM, Felipe Balbi wrote:
> >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 at 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.
> 
> Ok. So I'll drop RFC and resend this patch series
> http://www.serverphorums.com/read.php?12,708632

please do :-)

-- 
balbi
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 836 bytes
Desc: Digital signature
URL: <http://lists.infradead.org/pipermail/linux-arm-kernel/attachments/20130618/5566e070/attachment.sig>


More information about the linux-arm-kernel mailing list