Re: [PATCH] USB: ohci-omap: defer probe if PHY is missing

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On Tue, Jan 03, 2017 at 08:50:31PM +0200, Aaro Koskinen wrote:
> Hi,
> 
> On Tue, Jan 03, 2017 at 05:51:43PM +0100, Greg Kroah-Hartman wrote:
> > On Mon, Jan 02, 2017 at 10:53:55PM +0200, Aaro Koskinen wrote:
> > > Defer probe if PHY is missing. E.g. on Nokia 770 several modules needs
> > > to be loaded to get the PHY going and ohci-omap should wait for those.
> > > 
> > > Signed-off-by: Aaro Koskinen <aaro.koskinen@xxxxxx>
> > 
> > Is this a new bug?  The 770 has been around for forever, why has this
> > not been a problem before now?
> 
> PHY/OTG support for 770 has been around only since v3.14.

3.14 was released March, 2014.  A long time ago in kernel development :)

> I was previously compiling phy-tahvo as built-in, and bumped into this
> issue when compiling it as a module.

Why not just make the defconfig as built-in?

I'm not objecting to this patch, just really curious why no one else has
ever hit it.

thanks,

greg k-h
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