Re: [PATCH v5 5/8] iio: core: Add new DMABUF interface infrastructure

Jonathan Cameron
2024-01-27T16:51:00Z

> > > + iio_buffer_dmabuf_put(attach);
> > > +
> > > +out_dmabuf_put:
> > > + dma_buf_put(dmabuf);
> > As below. Feels like a __free(dma_buf_put) bit of magic would be a
> > nice to have.
>
> I'm working on the patches right now, just one quick question.
>
> Having a __free(dma_buf_put) requires that dma_buf_put is first
> "registered" as a freeing function using DEFINE_FREE() in <linux/dma-
> buf.h>, which has not been done yet.
>
> That would mean carrying a dma-buf specific patch in your tree, are you
> OK with that?
Needs an ACK from appropriate maintainer, but otherwise I'm fine doing
so. Alternative is to circle back to this later after this code is upstream.

>
> Cheers,
> -Paul

>