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	Mon, 14 Feb 2011 22:34:37 +1100 (EST)
Date: Mon, 14 Feb 2011 14:34:19 +0300
From: Alexander Gordeev <lasaine@lvk.cs.msu.su>
To: "David Laight" <David.Laight@ACULAB.COM>
Subject: Re: [PATCH V8 03/10] USB/ppc4xx: Add Synopsys DWC OTG Core
	InterfaceLayer
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Cc: Tirumala Marri <tmarri@apm.com>, Greg KH <greg@kroah.com>,
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=D0=92 Mon, 14 Feb 2011 08:53:21 -0000
"David Laight" <David.Laight@ACULAB.COM> =D0=BF=D0=B8=D1=88=D0=B5=D1=82:

> =20
> > > Sorry, I don't understand that. I think u32 is always 32bit=20
> > > 4byte on all archs. Right?
> >=20
> > Yes.
> >=20
> > Use an unsigned long if you want to hold a pointer correctly on all
> > arches.
>=20
> Although that is true for many systems (and probably all ppc Linux)
> it isn't necessarily true (eg 64 bit Microsoft Windows).
> C99 inttypes.h should define uintptr_t as an unsigned integer
> type that is large enough to hold a (data) pointer.
> I'm not sure if this is defined for the Linux kernel.

I think, the most reasonable option is to use a pointer type to hold
pointer. :)

--=20
  Alexander

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