linux-kernel - Re: [linux-sunxi] Re: [PATCH v4 01/11] clk: sunxi: Add display and TCON0 clocks driver

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Date:	Wed, 11 May 2016 15:15:41 -0700
From:	Stephen Boyd <sboyd@...eaurora.org>
To:	Priit Laes <plaes@...es.org>
Cc:	Maxime Ripard <maxime.ripard@...e-electrons.com>,
	Mike Turquette <mturquette@...libre.com>,
	David Airlie <airlied@...ux.ie>, Chen-Yu Tsai <wens@...e.org>,
	Rob Herring <robh+dt@...nel.org>,
	Daniel Vetter <daniel@...ll.ch>,
	Hans de Goede <hdegoede@...hat.com>,
	devicetree@...r.kernel.org, linux-clk@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	linux-sunxi@...glegroups.com, dri-devel@...ts.freedesktop.org,
	Boris Brezillon <boris.brezillon@...e-electrons.com>,
	Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
	Alexander Kaplan <alex@...tthing.co>,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>
Subject: Re: [linux-sunxi] Re: [PATCH v4 01/11] clk: sunxi: Add display and
 TCON0 clocks driver

On 05/10, Priit Laes wrote:
> On Mon, 2016-05-09 at 15:39 -0700, Stephen Boyd wrote:
> > On 05/09, Stephen Boyd wrote:
> > > 
> > > 
> > > Ok I applied this one to clk-next.
> > > 
> > And I squashed this in to silence the following checker warning.
> > 
> > drivers/clk/sunxi/clk-sun4i-display.c:110:33: warning: Variable
> > length array is used.
> > 
> > ---8<---
> > diff --git a/drivers/clk/sunxi/clk-sun4i-display.c
> > b/drivers/clk/sunxi/clk-sun4i-display.c
> > index f02e250e64ed..f8ff6c4a5633 100644
> > --- a/drivers/clk/sunxi/clk-sun4i-display.c
> > +++ b/drivers/clk/sunxi/clk-sun4i-display.c
> > @@ -107,7 +107,7 @@ static int sun4i_a10_display_reset_xlate(struct
> > reset_controller_dev *rcdev,
> >  static void __init sun4i_a10_display_init(struct device_node *node,
> >  					  const struct
> > sun4i_a10_display_clk_data *data)
> >  {
> > -	const char *parents[data->parents];
> > +	const char *parents[4];
> 
> This change breaks at least de_[bf]e clocks which have 3 clock parents.
> 

I just used the largest data->parents number, which was 4. How
does that break anything?

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