Re: [PATCH v4] mfd: syscon: Add non-DT support

From: Dong Aisheng
Date: Fri Feb 22 2013 - 04:21:26 EST


On Fri, Feb 22, 2013 at 09:52:12AM +0100, Thierry Reding wrote:
> On Fri, Feb 22, 2013 at 04:29:55PM +0800, Dong Aisheng wrote:
> > On Fri, Feb 22, 2013 at 08:27:19AM +0100, Thierry Reding wrote:
> > ...
> > > > > > Otherwise, i'm also ok with this patch.
> > > > > > Acked-by: Dong Aisheng <dong.aisheng@xxxxxxxxxx>
> > > > > >
> > > > > > BTW, i did not see Samuel's tree having this new API.
> > > > > > So, who will pick this patch?
> > > > >
> > > > > I have same question.
> > > >
> > > > I CCed Thierry and Greg who may know it.
> > >
> > > Yes, devm_ioremap_resource() never returns NULL. You always need to
> > > check the returned pointer with IS_ERR(). The value that you return
> > > should be extracted from the pointer with PTR_ERR().
> >
> > Thanks Thierry.
> > Since Samuel's mdf tree does not have your patch introducing
> > the new API of devm_ioremap_resource,
> > do you know which tree this patch can go through, Greg's driver core tree?
>
> I don't think it matters much at this point because Linus merged the
> driver core tree yesterday, so anything that gets applied now should
> automatically have the new API available.
>
I just tried update to latest linus tree, still did not find this API defined
in include/linux/io.h.
Would you mind point it out for me?

Regards
Dong Aisheng

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