[PATCH v2 2/4] phy: core: Add common helper for get phy phandle by index

[Inochi Amaoto]

On Mon, Sep 07, 2026 at 02:03:08PM +0300, Vladimir Oltean wrote:
> On Fri, Sep 04, 2026 at 04:37:06PM +0800, Inochi Amaoto wrote:
> > Several phy helper use index to get phy phandle of a device node,
> > add a common function for the future reuse.
> > 
> > Signed-off-by: Inochi Amaoto <inochiama at gmail.com>
> > ---
> >  drivers/phy/phy-core.c | 51 +++++++++++++++++++++++++-----------------
> >  1 file changed, 30 insertions(+), 21 deletions(-)
> > 
> > diff --git a/drivers/phy/phy-core.c b/drivers/phy/phy-core.c
> > index ea79913fbb87..a7d7acb5d3c2 100644
> > --- a/drivers/phy/phy-core.c
> > +++ b/drivers/phy/phy-core.c
> > @@ -681,33 +681,49 @@ static struct phy *_of_phy_get(struct device_node *np, int index)
> >  	return phy;
> >  }
> >  
> > +/**
> > + * of_phy_get_by_index() - lookup and obtain a reference to a phy using a
> > + * device_node by index.
> > + * @np: device_node for which to get the phy
> > + * @index: index of the phy from device's point of view
> > + *
> > + * Returns: the phy driver, after getting a refcount to it; or
> 
> Not driver, but device.
> 
> > + * -ENODEV if there is no such phy. The caller is responsible for
> > + * calling of_phy_put() to release that count.
> > + */
> > +static struct phy *of_phy_get_by_index(struct device_node *np, int index)
> > +{
> > +	struct phy *phy;
> > +
> > +	phy = _of_phy_get(np, index);
> > +	if (IS_ERR(phy))
> > +		return phy;
> > +
> > +	if (!try_module_get(phy->ops->owner))
> > +		return ERR_PTR(-EPROBE_DEFER);
> > +
> > +	get_device(&phy->dev);
> > +
> > +	return phy;
> > +}
> > +
> >  /**
> >   * of_phy_get() - lookup and obtain a reference to a phy using a device_node.
> >   * @np: device_node for which to get the phy
> >   * @con_id: name of the phy from device's point of view
> >   *
> > - * Returns the phy driver, after getting a refcount to it; or
> > + * Returns: the phy driver, after getting a refcount to it; or
> 
> Same comment here. You are changing this line anyway.
> 
> >   * -ENODEV if there is no such phy. The caller is responsible for
> >   * calling of_phy_put() to release that count.
> >   */
> >  struct phy *of_phy_get(struct device_node *np, const char *con_id)
> >  {
> > -	struct phy *phy = NULL;
> >  	int index = 0;
> >  
> >  	if (con_id)
> >  		index = of_property_match_string(np, "phy-names", con_id);
> >  
> > -	phy = _of_phy_get(np, index);
> > -	if (IS_ERR(phy))
> > -		return phy;
> > -
> > -	if (!try_module_get(phy->ops->owner))
> > -		return ERR_PTR(-EPROBE_DEFER);
> > -
> > -	get_device(&phy->dev);
> > -
> > -	return phy;
> > +	return of_phy_get_by_index(np, index);
> >  }
> >  EXPORT_SYMBOL_GPL(of_phy_get);
> >  
> > @@ -957,7 +973,7 @@ EXPORT_SYMBOL_GPL(devm_of_phy_optional_get);
> >   * @np: node containing the phy
> >   * @index: index of the phy
> >   *
> > - * Gets the phy using _of_phy_get(), then gets a refcount to it,
> > + * Gets the phy using of_phy_get_by_index(), then gets a refcount to it,
> >   * and associates a device with it using devres. On driver detach,
> >   * release function is invoked on the devres data,
> >   * then, devres data is freed.
> > @@ -972,19 +988,12 @@ struct phy *devm_of_phy_get_by_index(struct device *dev, struct device_node *np,
> >  	if (!ptr)
> >  		return ERR_PTR(-ENOMEM);
> >  
> > -	phy = _of_phy_get(np, index);
> > +	phy = of_phy_get_by_index(np, index);
> >  	if (IS_ERR(phy)) {
> >  		devres_free(ptr);
> >  		return phy;
> >  	}
> >  
> > -	if (!try_module_get(phy->ops->owner)) {
> > -		devres_free(ptr);
> > -		return ERR_PTR(-EPROBE_DEFER);
> > -	}
> > -
> > -	get_device(&phy->dev);
> > -
> >  	*ptr = phy;
> >  	devres_add(dev, ptr);
> >  
> > -- 
> > 2.55.0
> > 
> > 
> 
> -- 
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Ok, I will fix them, thanks.

Regards,
Inochi