Re: [PATCH] TXx9: Add TX4939 RNG support
From: Matt Mackall
Date: Sun May 31 2009 - 13:33:35 EST
On Mon, 2009-06-01 at 02:23 +0900, Atsushi Nemoto wrote:
> On Sun, 31 May 2009 12:01:29 -0500, Matt Mackall <mpm@xxxxxxxxxxx> wrote:
> > > > Not clear to me how this works when this is a module?
> > >
> > > This patch add a registration of a platform device for RNG to vmlinux.
> > > And the other patch add a driver module for the RNG. This strategy is
> > > fairly common for SoCs or embedded platforms.
> > If your driver is built as a module (which your patch allows), the above
> > won't work, right?
> No, the rng driver can be used regardless of module or built-in, as
> like as other platform drivers. Any special issue for hw_rng?
I found the source of my confusion: you've given the init function in
both files exactly the same name. So when I saw .._init at the bottom of
the second patch, I assumed it was referring to the possibly not loaded
driver's init code.
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