Re: [PATCH 04/25] dmaengine: Fix dma_slave_config.dst_addr description

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On 24-03-22, 19:38, Manivannan Sadhasivam wrote:
> On Thu, Mar 24, 2022 at 04:48:15AM +0300, Serge Semin wrote:
> > Most likely due to a copy-paste mistake the dst_addr member of the
> > dma_slave_config structure has been marked as ignored if the !source!
> > address belong to the memory. That is relevant to the src_addr field of
> > the structure while the dst_addr field as containing a destination device
> > address is supposed to be ignored if the destination is the CPU memory.
> > Let's fix the field description accordingly.
> > 
> > Signed-off-by: Serge Semin <Sergey.Semin@xxxxxxxxxxxxxxxxxxxx>
> 
> Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
> 
> One suggestion below.
> 
> > ---
> >  include/linux/dmaengine.h | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
> > index 842d4f7ca752..f204ea16ac1c 100644
> > --- a/include/linux/dmaengine.h
> > +++ b/include/linux/dmaengine.h
> > @@ -395,7 +395,7 @@ enum dma_slave_buswidth {
> >   * should be read (RX), if the source is memory this argument is
> >   * ignored.
> >   * @dst_addr: this is the physical address where DMA slave data
> > - * should be written (TX), if the source is memory this argument
> > + * should be written (TX), if the destination is memory this argument
> 
> Should we rename "memory" to "local memory" or something similar?

what do you mean by local memory :)

-- 
~Vinod



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