linux-kernel - Re: [PATCH v5 1/2] clk: gate: expose clk_gate_ops::is

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Date:   Thu, 13 Jul 2017 18:16:10 -0700
From:   Stephen Boyd <sboyd@...eaurora.org>
To:     Florian Fainelli <f.fainelli@...il.com>
Cc:     gabriel.fernandez@...com, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Russell King <linux@...linux.org.uk>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        Michael Turquette <mturquette@...libre.com>,
        Nicolas Pitre <nico@...aro.org>, Arnd Bergmann <arnd@...db.de>,
        daniel.thompson@...aro.org, andrea.merello@...il.com,
        radoslaw.pietrzyk@...il.com, Lee Jones <lee.jones@...aro.org>,
        devicetree@...r.kernel.org, amelie.delaunay@...com,
        olivier.bideau@...com, linux-kernel@...r.kernel.org,
        linux-clk@...r.kernel.org, gabriel.fernandez.st@...il.com,
        linux-arm-kernel@...ts.infradead.org, ludovic.barre@...com
Subject: Re: [PATCH v5 1/2] clk: gate: expose clk_gate_ops::is_enabled

On 07/13, Florian Fainelli wrote:
> On 07/13/2017 07:02 AM, gabriel.fernandez@...com wrote:
> > From: Gabriel Fernandez <gabriel.fernandez@...com>
> > 
> > This patch exposes clk_gate_ops::is_enabled as functions
> > that can be directly called and assigned in places like this so
> > we don't need wrapper functions that do nothing besides forward
> > the call.
> > 
> > Signed-off-by: Gabriel Fernandez <gabriel.fernandez@...com>
> > Sugested by Stephen Boyd <sboyd@...eaurora.org>
> > ---
> >  drivers/clk/clk-gate.c       | 2 +-
> >  include/linux/clk-provider.h | 1 +
> >  2 files changed, 2 insertions(+), 1 deletion(-)
> > 
> > diff --git a/drivers/clk/clk-gate.c b/drivers/clk/clk-gate.c
> > index 4e0c054a..e27e28f 100644
> > --- a/drivers/clk/clk-gate.c
> > +++ b/drivers/clk/clk-gate.c
> > @@ -86,7 +86,7 @@ static void clk_gate_disable(struct clk_hw *hw)
> >  	clk_gate_endisable(hw, 0);
> >  }
> >  
> > -static int clk_gate_is_enabled(struct clk_hw *hw)
> > +int clk_gate_is_enabled(struct clk_hw *hw)
> >  {
> >  	u32 reg;
> >  	struct clk_gate *gate = to_clk_gate(hw);
> 
> Don't you need to add an EXPORT_SYMBOL_GPL(clk_gate_is_enabled) as well
> in case this gets used by modules?

It would be needed in the future if someone uses it from a
module. The only user in this patch series looks to be builtin
only. I can add it when applying the patch if there aren't other
comments on the series.

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