Re: [PATCH RFC v3 2/3] firmware: mediatek: Add vcp ipc protocol interface

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On Tue, 2025-03-18 at 10:00 +0100, Krzysztof Kozlowski wrote:
> External email : Please do not click links or open attachments until
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> 
> 
> On 18/03/2025 09:32, Jjian Zhou (周建) wrote:
> > > > +
> > > > +     return IPI_ACTION_DONE;
> > > > +}
> > > > +EXPORT_SYMBOL(mtk_vcp_ipc_send);
> > > 
> > > Drop export - no users
> > > 
> > > Anyway, every export must be GPL.
> > 
> > The Video Companion Processor (VCP) driver (currently being
> > prepared
> > for submission to the community) will call it.
> > 
> 
> It does not work like that. You must post the users NOW.
> 
> NAK
> 

Let's review this patch together after the VCP driver is ready. Patch 1
and Patch 3 will be combined into v4 for review. How do you think?

> 
> ...
> 
> > > Check goes immediately after declaration. I doubt it is useful in
> > > the
> > > first place as this cannot even happen...
> > > 
> > > 
> > > > +             dev_err(dev, "No platform data available\n");
> > > 
> > > No, drop. Cannot happen or fix your drivers. Who provides the
> > > platdata here?
> > 
> > The VCP driver will call platform_device_register_data to register
> > the
> > structure data. mtk_vcp_ipc_probe will be triggered by vcp_probe.
> > This
> > structure data is the structure we described in the cover letter.
> 
> 
> Comment is still valid.

Let's review this patch together after the VCP driver is ready. Patch 1
and Patch 3 will be combined into v4 for review. How do you think?

> 
> Best regards,
> Krzysztof




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