Re: [PATCH 1/5] media: rc: update sunxi-ir driver to get base clock frequency from devicetree

[Philipp Rossak]

Hey Andi,

thanks for the feedback. I will fix that in the next version of this 
patch series!

On 18.12.2017 03:44, Andi Shyti wrote:
> Hi Philipp,
>
> just a couple of small nitpicks.
>
> > +	u32 b_clk_freq;
>
> [...]
>
> > +	/* Base clock frequency (optional) */
> > +	if (of_property_read_u32(dn, "clock-frequency", &b_clk_freq)) {
> > +		b_clk_freq = SUNXI_IR_BASE_CLK;
> > +	}
> > +
>
> how about you intialize 'b_clk_freq' to 'SUNXI_IR_BASE_CLK' and
> just call 'of_property_read_u32' without if statement.
> 'b_clk_freq' value should not be changed if "clock-frequency"
> is not present in the DTS.
>
> This might avoid misinterpretation from static analyzers that
> might think that 'b_clk_freq' is used uninitialized.
>
> > +	dev_info(dev, "set base clock frequency to %d Hz.\n", b_clk_freq);
>
> Please use dev_dbg().
>
> Andi
--
Philipp