linux-kernel - Re: [PATCH v5 04/10] clk: tegra: Add new fields and PLL types for Tegra114

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Message-ID: <20130204103756.GP2364@tbergstrom-lnx.Nvidia.com>
Date:	Mon, 4 Feb 2013 12:37:56 +0200
From:	Peter De Schrijver <pdeschrijver@...dia.com>
To:	Prashant Gaikwad <pgaikwad@...dia.com>
CC:	Rhyland Klein <rklein@...dia.com>,
	Grant Likely <grant.likely@...retlab.ca>,
	Rob Herring <rob.herring@...xeda.com>,
	"Rob Landley" <rob@...dley.net>,
	Stephen Warren <swarren@...dotorg.org>,
	"Russell King" <linux@....linux.org.uk>,
	Simon Glass <sjg@...omium.org>,
	Mike Turquette <mturquette@...aro.org>,
	Joseph Lo <josephl@...dia.com>,
	"devicetree-discuss@...ts.ozlabs.org" 
	<devicetree-discuss@...ts.ozlabs.org>,
	"linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v5 04/10] clk: tegra: Add new fields and PLL types for
 Tegra114

On Mon, Feb 04, 2013 at 07:35:29AM +0100, Prashant Gaikwad wrote:
> On Saturday 02 February 2013 01:10 AM, Rhyland Klein wrote:
> > On 2/1/2013 5:18 AM, Peter De Schrijver wrote:
> >> Tegra114 introduces new PLL types. This requires new clocktypes as well
> >> as some new fields in the pll structure.
> >>
> >> Signed-off-by: Peter De Schrijver <pdeschrijver@...dia.com>
> >> ---
> >>    drivers/clk/tegra/clk-pll.c |  719 +++++++++++++++++++++++++++++++++++++++++++
> >>    drivers/clk/tegra/clk.h     |   47 +++
> >>    2 files changed, 766 insertions(+), 0 deletions(-)
> >>
> >> diff --git a/drivers/clk/tegra/clk-pll.c b/drivers/clk/tegra/clk-pll.c
> >> index 87d2f34..50114b7 100644
> >> --- a/drivers/clk/tegra/clk-pll.c
> >> +++ b/drivers/clk/tegra/clk-pll.c
> >> [snip]
> >> +struct clk *tegra_clk_register_pllxc(const char *name, const char *parent_name,
> >> +                         void __iomem *clk_base, void __iomem *pmc,
> >> +                         unsigned long flags, unsigned long fixed_rate,
> >> +                         struct tegra_clk_pll_params *pll_params,
> >> +                         u32 pll_flags,
> >> +                         struct tegra_clk_pll_freq_table *freq_table,
> >> +                         spinlock_t *lock)
> >> +{
> >> +       if (!pll_params->pdiv_tohw)
> >> +               return -EINVAL;
> >> +
> > This will cause the following warning:
> > warning: return makes pointer from integer without a cast
> >
> > Same with occurrences in tegra_clk_register_pllm and
> > tegra_clk_register_pllc.
> >
> > Should this instead be returning NULL?
> 
> return ERR_PTR(-EINVAL)
> 

Indeed. I noticed that only after I sent this patchset. Already fixed in
my own tree.

Cheers,

Peter.
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