Re: [PATCH v7 3/7] media: platform: amd: Add isp4 fw and hw interface

[Du, Bin]

Hi Sakari,

On 2/2/2026 5:10 PM, Sakari Ailus wrote:
> Hi Bin,
>
> On Tue, Jan 20, 2026 at 05:22:41PM +0800, Du, Bin wrote:
> > Hi Sakari, there's still one left. Could you please help check it?
> >
> > On 1/7/2026 4:44 PM, Du, Bin wrote:
> > > Thank you, Sakari for the feedback.
> > >
> > > On 12/22/2025 5:37 PM, Sakari Ailus wrote:
> > > > Hi Bin,
> > > >
> > > > On Tue, Dec 16, 2025 at 05:13:22PM +0800, Bin Du wrote:
> >
> > [snip]
> >
> > > > > +enum isp4fw_buffer_source {
> > > > > +    /* The buffer is from the stream buffer queue */
> > > > > +    BUFFER_SOURCE_STREAM,
> > > > > +};
> > > >
> > > > Could you also use the ISP4 (or ISP4IF) prefix for these, please?
> > > > Many look
> > > > rather generic.
> > >
> > > Thank you for highlighting this matter, since these definitions are
> > > located in isp4_fw_cmd_resp.h, ISP4_FW may be a more appropriate prefix.
> > > Just to confirm: are you suggesting that we should add this prefix to
> > > all macros and enums? For example, changing CMD_ID_SET_STREAM_CONFIG to
> > > ISP4_FW_CMD_ID_SET_STREAM_CONFIG, and BUFFER_SOURCE_STREAM to ISP4_FW
> > > _BUFFER_SOURCE_STREAM? Our initial thought was that these would only be
> > > used within ISP and shouldn't lead to any confusion.
> >
> > Hi Sakari, would you please help to confirm so we can decide if further
> > modification is needed.
>
> I'd prefer to use a specific prefix, indeed. See e.g.
> drivers/media/platform/ti/omap3isp/isp.h . This was the first supported ISP
> driver so some prefixes are just "isp_". The shorter names you have, the
> larger is the probability of clashing with something generic. It also makes
> it obvious to the reader this is specific to the driver.

Very good consideration and reference, will add prefix ISP4FW_ to make 
them specific.

--
Regards,
Bin