Re: [PATCH v14 2/2] media: i2c: Add OV02A10 image sensor driver

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On Fri, Sep 4, 2020 at 4:38 PM Dongchun Zhu <dongchun.zhu@xxxxxxxxxxxx> wrote:
> On Wed, 2020-09-02 at 16:51 +0300, Andy Shevchenko wrote:
> > On Wed, Sep 02, 2020 at 04:44:21PM +0300, Andy Shevchenko wrote:
> > > On Wed, Sep 02, 2020 at 08:01:22PM +0800, Dongchun Zhu wrote:
> >
> > > > + ret = fwnode_property_read_u32(dev_fwnode(dev), "rotation", &rotation);
> >
> > > > + ret = fwnode_property_read_u32_array(dev_fwnode(dev),
> >
> > > > +         fwnode_property_read_u32_array(dev_fwnode(dev),
> >
> > > > + ret = fwnode_property_read_u32(dev_fwnode(dev), "clock-frequency",
> >
> >
> > Btw, can somebody explain, why it's fwnode API and not direct use of device property API?
> >
> > In all above cases I see no reason why not to use device property API directly.
> >
>
> From the fwnode API's usage:
> @fwnode: Firmware node to get the property of.
>
> It seems dev_fwnode(dev) could return dev->of_node->fwnode if CONFIG_OF
> is enabled, or return dev->fwnode if not.

So?..

Shouldn't be the above an equivalent to device_property_*(dev, ...)?

-- 
With Best Regards,
Andy Shevchenko



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