Re: [PATCH 7/9] net: phy: fixed_phy: transition to the faux device interface

[Greg Kroah-Hartman <gregkh@linuxfoundation.org>]

On Mon, Mar 17, 2025 at 01:29:31PM +0100, Andrew Lunn wrote:
> On Mon, Mar 17, 2025 at 10:13:19AM +0000, Sudeep Holla wrote:
> > The net fixed phy driver does not require the creation of a platform
> > device. Originally, this approach was chosen for simplicity when the
> > driver was first implemented.
> > 
> > With the introduction of the lightweight faux device interface, we now
> > have a more appropriate alternative. Migrate the driver to utilize the
> > faux bus, given that the platform device it previously created was not
> > a real one anyway. This will simplify the code, reducing its footprint
> > while maintaining functionality.
> > 
> > Cc: Andrew Lunn <andrew@lunn.ch>
> > Cc: "David S. Miller" <davem@davemloft.net>
> > Cc: netdev@vger.kernel.org
> > Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
> > ---
> >  drivers/net/phy/fixed_phy.c | 16 ++++++++--------
> >  1 file changed, 8 insertions(+), 8 deletions(-)
> 
> 8 insertions, 8 deletions. How does this reduce its footprint?
> 
> Seems like pointless churn to me. Unless there is a real advantage to
> faux bus you are not enumerating in your commit message.

It stops the abuse of using a platform device for something that is NOT
a platform device.  This file should have never used a platform device
for this in the first place, and this change is fixing that design bug.

thanks,

greg k-h