linux-kernel - Re: [PATCH 19/33] clk: ux500: Add Device Tree support for the PRCMU clock

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Date:	Tue, 11 Jun 2013 12:12:54 +0100
From:	Lee Jones <lee.jones@...aro.org>
To:	Ulf Hansson <ulf.hansson@...aro.org>
Cc:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	arnd@...db.de, linus.walleij@...ricsson.com,
	srinidhi.kasagar@...ricsson.com,
	Mike Turquette <mturquette@...aro.org>
Subject: Re: [PATCH 19/33] clk: ux500: Add Device Tree support for the PRCMU
 clock

On Tue, 11 Jun 2013, Lee Jones wrote:

> On Mon, 10 Jun 2013, Ulf Hansson wrote:
> 
> > On 6 June 2013 14:17, Lee Jones <lee.jones@...aro.org> wrote:
> > > This patch enables clocks to be specified from Device Tree via phandles
> > > to the "prcmu-clock" node.
> > >
> > > Cc: Mike Turquette <mturquette@...aro.org>
> > > Cc: Ulf Hansson <ulf.hansson@...aro.org>
> > > Signed-off-by: Lee Jones <lee.jones@...aro.org>
> > > ---
> > >  drivers/clk/ux500/u8500_clk.c |   50 +++++++++++++++++++++++++++++++++++++++--
> > >  1 file changed, 48 insertions(+), 2 deletions(-)
> > >
> > > diff --git a/drivers/clk/ux500/u8500_clk.c b/drivers/clk/ux500/u8500_clk.c
> > > index 3a7040b..4f5ad4c 100644
> > > --- a/drivers/clk/ux500/u8500_clk.c
> > > +++ b/drivers/clk/ux500/u8500_clk.c
> > > @@ -15,6 +15,8 @@
> > >  #include <linux/platform_data/clk-ux500.h>
> > >  #include "clk.h"
> > >
> > > +static struct clk *prcmu_clk[PRCMU_NUM_CLKS];
> > > +
> > >  struct clk *ux500_twocell_get(struct of_phandle_args *clkspec, void *data)
> > 
> > Actually I thought ux500_twocell_get was going to be used in this
> > patch, since the previous one was adding this helper function, but it
> > isn't?
> 
> Yes it is:

Whoops! No, it's using it in the next patch.

There's no requirement for these things to be sequential. I thought it
was better to put adding the clocks sequential, rather than have a
random addition of a call-back function in the middle of them.

-- 
Lee Jones
Linaro ST-Ericsson Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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