Re: [PATCH v1 2/6] dmaengine: dw-edma: Introduce helpers for getting the eDMA/HDMA max channel count

[Manivannan Sadhasivam]

On Fri, Jan 19, 2024 at 03:26:56PM +0200, Dmitry Baryshkov wrote:
> On Fri, 19 Jan 2024 at 15:00, Mrinmay Sarkar <quic_msarkar@xxxxxxxxxxx> wrote:
> >
> > From: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
> >
> > Add common helpers for getting the eDMA/HDMA max channel count.
> >
> > Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
> > Signed-off-by: Mrinmay Sarkar <quic_msarkar@xxxxxxxxxxx>
> > ---
> >  drivers/dma/dw-edma/dw-edma-core.c           | 18 ++++++++++++++++++
> >  drivers/pci/controller/dwc/pcie-designware.c |  6 +++---
> >  include/linux/dma/edma.h                     | 14 ++++++++++++++
> >  3 files changed, 35 insertions(+), 3 deletions(-)
> >
> > diff --git a/drivers/dma/dw-edma/dw-edma-core.c b/drivers/dma/dw-edma/dw-edma-core.c
> > index 7fe1c19..2bd6e43 100644
> > --- a/drivers/dma/dw-edma/dw-edma-core.c
> > +++ b/drivers/dma/dw-edma/dw-edma-core.c
> > @@ -902,6 +902,24 @@ static int dw_edma_irq_request(struct dw_edma *dw,
> >         return err;
> >  }
> >
> > +static u32 dw_edma_get_max_ch(enum dw_edma_map_format mf, enum dw_edma_dir dir)
> > +{
> > +       if (mf == EDMA_MF_HDMA_NATIVE)
> > +               return HDMA_MAX_NR_CH;
> 
> This will break unless patch 5 is applied.

I believe you are referring to patch 4.

> Please move the
> corresponding definition to this path.
>

Right. But it can be fixed by reordering the patches.

Mrinmay, please move patch 4/6 ahead of this one.

- Mani
 
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