Re: [PATCH 6/9] serdev: Skip registering serdev devices from DT is external connector is used

[Rob Herring]

On Wed, Nov 19, 2025 at 7:33 AM Manivannan Sadhasivam <mani@xxxxxxxxxx> wrote:
>
> On Tue, Nov 18, 2025 at 07:03:51AM -0600, Rob Herring wrote:
> > On Wed, Nov 12, 2025 at 8:45 AM Manivannan Sadhasivam via B4 Relay
> > <devnull+manivannan.sadhasivam.oss.qualcomm.com@xxxxxxxxxx> wrote:
> > >
> > > From: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxxxxxxxx>
> > >
> > > If an external connector like M.2 is connected to the serdev controller
> > > in DT, then the serdev devices will be created dynamically by the connector
> > > driver. So skip registering devices from DT node as there will be no
> > > statically defined devices.
> >
> > You could still have statically defined devices. You are just choosing
> > to probe them later from the connector driver.
> >
>
> The point of coming up with the M.2 binding is to avoid hardcoding the devices
> in DT. So static devices are ruled out IMO.

Until you have any one of the reasons we have PCIe devices described
even when in a standard slot. Take your pick. An ethernet adapter that
omits an EEPROM for the MAC address.

Rob