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

[Dongchun Zhu]

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.