On Thu 20 Feb 18:53 PST 2014, Emilio L?pez wrote:
> Hi Bjorn,
>
> El 20/02/14 21:38, Bjorn Andersson escribió:
[...]
> > + clk_freq = 100000;
> > + if (!of_property_read_u32(node, "clock-frequency", &val))
> > + clk_freq = val;
>
> val will be modified only if no error occurs, so you may rewrite this
> bit as
>
> + u32 clk_freq = 100000;
> ...
> + of_property_read_u32(node, "clock-frequency", &clk_freq)
Seems the two conventions used in the kernel is either your proposal or "if
fail the assign default". So I'll change this.
>
> > +
> > + /* We support frequencies up to FAST Mode (400KHz) */
> > + if (clk_freq <= 0 || clk_freq > 400000) {
>
> And you can drop the < check when it's unsigned.
Indeed!
>
> > + dev_err(qup->dev, "clock frequency not supported %d\n",
> > + clk_freq);
> > + return -EIO;
>
> EIO?
EINVAL
>
> Cheers,
>
> Emilio
Thanks,
Bjorn
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