Re: [PATCH 3/3] firmware: stratix10-svc: Add of_platform_default_populate()
From: Mahesh Rao
Date: Wed Jan 29 2025 - 13:01:47 EST
Hi Yilun,
Thanks for reviewing the patch.
On Sun, 26 Jan 2025 16:28:55 +0800, Xu Yilun wrote:
> > Add of_platform_default_populate() to stratix10-svc driver as the
> > firmware/svc node was moved out of soc.
> > This fixes the failed probing of child drivers of svc node.
> >
> > Fixes: 23c3ebed382a ("arm64: dts: socfpga: agilex: move firmware out
> > of soc node")
> > + ret = of_platform_default_populate(dev_of_node(dev), NULL, dev);
> > + if (ret < 0) {
>
> if (ret) is just fine.
ok ,I will make the change.
>
> > + of_platform_depopulate(dev);
> > + goto err_unregister_fcs_dev;
>
> You wanna destroy everything even if some child drivers work?
Currently, there is no requirement to retain the driver if a child component fails.
we will handle it if it is needed in the future.
> And do we need to do depopulation on driver remove?
I think yes , I have missed this. I will add depopulate in the remove callback().
> I'm actually a little confused how to handle populate() fail and depopulate().
I think this was a mistake on my side. I will make the change in next revision.
Best Regards,
Mahesh Rao