linux-kernel - Re: [PATCH v6 03/10] clk: of-provider: look at parent if registered device has no provider info

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Date:   Wed, 05 Dec 2018 11:35:18 -0800
From:   Stephen Boyd <sboyd@...nel.org>
To:     Matti Vaittinen <matti.vaittinen@...rohmeurope.com>
Cc:     mazziesaccount@...il.com, mturquette@...libre.com,
        cw00.choi@...sung.com, krzk@...nel.org, b.zolnierkie@...sung.com,
        linux@...linux.org.uk, andy.gross@...aro.org,
        david.brown@...aro.org, pavel@....cz, andrew.smirnov@...il.com,
        pombredanne@...b.com, sjhuang@...vatar.ai, akshu.agrawal@....com,
        djkurtz@...omium.org, rafael.j.wysocki@...el.com,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-clk@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v6 03/10] clk: of-provider: look at parent if registered device
 has no provider info

Quoting Matti Vaittinen (2018-12-05 10:20:58)
> On Wed, Dec 05, 2018 at 09:19:33AM -0800, Stephen Boyd wrote:
> > Quoting Matti Vaittinen (2018-12-04 23:00:46)
> > > But that won't solve the issue if we don't do "dirty hacks" in driver.
> > > The devm interface still only gets the device-pointer, not the DT node
> > > as argument. And if DT node for device is NULL (like in MFD cases) -
> > > then there is no parent node, only parent device with a node. For plain
> > > of_clk_add_provider() the driver can just give the parent's node pointer
> > > in cases where it knows it is the parent who has the provider data in
> > > DT. But our original problem is in devm interfaces.
> > > 
> > 
> > I was misunderstanding the MFD design. Should still work though, so I
> > squashed this into the patch to clean things up a bit. Does this work
> > for you?
> 
> This looks good to me. Especially changing the of_is_clk_provider to
> get_clk_provider_node which allows to remove some repetition. If you
> apply this then I will drop my patch from the series. Just please let me
> know. I will cook version 7 of the series at Friday - tomorrow is the
> independence day in Finland and I'll be offline =)
> 

Ok, I applied it this patch with the squash to clk-next.