Re: [PATCH 2/9] net: mdio: ipq4019: Enable the clocks for ipq5332 platform

[Andrew Lunn]

On Tue, Nov 21, 2023 at 06:28:54PM +0800, Jie Luo wrote:
> 
> 
> On 11/20/2023 10:22 PM, Konrad Dybcio wrote:
> > On 15.11.2023 04:25, Luo Jie wrote:
> > > For the platform ipq5332, the related GCC clocks need to be enabled
> > > to make the GPIO reset of the MDIO slave devices taking effect.
> > > 
> > > Signed-off-by: Luo Jie <quic_luoj@xxxxxxxxxxx>
> > [...]
> > 
> > >   static int ipq4019_mdio_wait_busy(struct mii_bus *bus)
> > > @@ -212,6 +231,38 @@ static int ipq_mdio_reset(struct mii_bus *bus)
> > >   	u32 val;
> > >   	int ret;
> > > +	/* For the platform ipq5332, there are two uniphy available to connect the
> > > +	 * ethernet devices, the uniphy gcc clock should be enabled for resetting
> > > +	 * the connected device such as qca8386 switch or qca8081 PHY effectively.
> > > +	 */
> > > +	if (of_device_is_compatible(bus->parent->of_node, "qcom,ipq5332-mdio")) {
> > Would that not also be taken care of in the phy driver?
> > 
> > Konrad
> 
> Hi Konrad,
> These clocks are the SOC clocks that is not related to the PHY type.
> no matter what kind of PHY is connected, we also need to configure
> these clocks.

Hi Jie

You can avoid lots of these questions by making your commit message
better. Assume the reader does not know the clock tree for this
device. With a bit of experience, you can guess what reviewers are
going to ask, and answer those questions in the commit message.

      Andrew