Re: [PATCH] [media] ov2640: add support for async device registration

[Josh Wu]

Hi, Sylwester

Thanks for your review.

On 3/15/2014 5:17 AM, Sylwester Nawrocki wrote:
> Hi Josh,
>
> On 03/14/2014 11:12 AM, Josh Wu wrote:
> > +    clk = v4l2_clk_get(&client->dev, "mclk");
> > +    if (IS_ERR(clk))
> > +        return -EPROBE_DEFER;
>
> You should instead make it:
>
>         return PTR_ERR(clk);
>
> But you will need this patch for that to work:
> http://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git/commit/drivers/clk/clk.c?id=a34cd4666f3da84228a82f70c94b8d9b692034ea 
>
>
> With this patch there is no need to overwrite any returned error
> value with EPROBE_DEFER.

Thanks for the information. I will use this in v2 version.

Best Regards,
Josh Wu

> > @@ -1097,23 +1106,26 @@ static int ov2640_probe(struct i2c_client 
> > *client,
> >       v4l2_ctrl_new_std(&priv->hdl,&ov2640_ctrl_ops,
> >               V4L2_CID_HFLIP, 0, 1, 1, 0);
> >       priv->subdev.ctrl_handler =&priv->hdl;
> > -    if (priv->hdl.error)
> > -        return priv->hdl.error;
> > -
> > -    priv->clk = v4l2_clk_get(&client->dev, "mclk");
> > -    if (IS_ERR(priv->clk)) {
> > -        ret = PTR_ERR(priv->clk);
> > -        goto eclkget;
>
> --
> Regards,
> Sylwester

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