Re: [PATCH 01/21] dt-binding: memory: mediatek: Add a common larb-port header file

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On Mon, Jul 13, 2020 at 2:06 AM Matthias Brugger <matthias.bgg@xxxxxxxxx> wrote:
>
>
>
> On 11/07/2020 08:48, Yong Wu wrote:
> > Put all the macros about smi larb/port togethers, this is a preparing
> > patch for extending LARB_NR and adding new dom-id support.
> >
> > Signed-off-by: Yong Wu <yong.wu@xxxxxxxxxxxx>
> > ---
> >   include/dt-bindings/memory/mt2712-larb-port.h  |  2 +-
> >   include/dt-bindings/memory/mt6779-larb-port.h  |  2 +-
> >   include/dt-bindings/memory/mt8173-larb-port.h  |  2 +-
> >   include/dt-bindings/memory/mt8183-larb-port.h  |  2 +-
> >   include/dt-bindings/memory/mtk-smi-larb-port.h | 15 +++++++++++++++
> >   5 files changed, 19 insertions(+), 4 deletions(-)
> >   create mode 100644 include/dt-bindings/memory/mtk-smi-larb-port.h
> >
> > ...
> > diff --git a/include/dt-bindings/memory/mtk-smi-larb-port.h b/include/dt-bindings/memory/mtk-smi-larb-port.h
> > new file mode 100644
> > index 000000000000..2ec7fe5ce4e9
> > --- /dev/null
> > +++ b/include/dt-bindings/memory/mtk-smi-larb-port.h
> > @@ -0,0 +1,15 @@
> > +/* SPDX-License-Identifier: GPL-2.0-only */
> > +/*
> > + * Copyright (c) 2020 MediaTek Inc.
> > + * Author: Yong Wu <yong.wu@xxxxxxxxxxxx>
> > + */
> > +#ifndef __DTS_MTK_IOMMU_PORT_H_
> > +#define __DTS_MTK_IOMMU_PORT_H_
> > +
> > +#define MTK_LARB_NR_MAX                      16
>
> include/soc/mediatek/smi.h has the very same define.
> Should smi.h include this file?
>
> Regards,
> Matthias
>

Looks like this is being addressed in patch 5 in this series ([05/21]
iommu/mediatek: Use the common mtk-smi-larb-port.h)
That said, should that patch be merged into this one?



> > +
> > +#define MTK_M4U_ID(larb, port)               (((larb) << 5) | (port))
> > +#define MTK_M4U_TO_LARB(id)          (((id) >> 5) & 0xf)
> > +#define MTK_M4U_TO_PORT(id)          ((id) & 0x1f)
> > +
> > +#endif
> >



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