[PATCH v2 2/2] net: phy: micrel: sync init code for ksz80xx variants with the kernel driver

Sascha Hauer sha at pengutronix.de
Fri Oct 15 00:11:29 PDT 2021


On Thu, Oct 14, 2021 at 01:32:27PM -0700, Trent Piepho wrote:
> On Wed, Oct 13, 2021 at 4:19 AM Oleksij Rempel <o.rempel at pengutronix.de> wrote:
> > On Wed, Oct 13, 2021 at 03:25:17AM -0700, Trent Piepho wrote:
> > > On Wed, Oct 13, 2021 at 2:43 AM Oleksij Rempel <o.rempel at pengutronix.de> wrote:
> > > >
> > > > Sync part of barebox micrel driver with the kernel v5.15-rc1.
> > > > This change will affect most of by barebox supported 100Mbit/ksz80xx PHY
> > > > variants and provide unified devicetree support for LED and clock configuration.
> > >
> > > I already added LED mode OF support to this driver.
> >
> > Yes, it was partially incorrect. It attempted to write to not existing or not
> > documented register of PHY_ID_KS8737.
> 
> That is not true.  KS8737 would only attempt to set the led mode bits
> if the device tree tries to set the led mode.  Since KS8737 does not
> have a led mode selection, the device tree should not have this, and
> there is no problem.
> 
> If you want a device tree validator, then use the yaml dts spec to do
> this in the proper way, at build time.  The bootloader has the the
> most constrained size of any part of a Linux system and is also the
> most critical for device start up time.  It is the worst possible
> place to put a dts validator.
> 
> > This is the reason why I prefer to share driver code base with kernel,
> > where possible.
> 
> You again ignore there are two ways to do this.  Make the kernel match
> Barebox where the Barebox code is better.

Maybe Oleksij can split that patch up a little so that we can better see
which changes we want and which not.

Sascha

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