On Mon, 2020-07-13 at 13:43 +0800, Pi-Hsun Shih wrote: > 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? At the beginning, I really did like this. But checkpatch will complain like that: WARNING:DT_SPLIT_BINDING_PATCH: DT binding docs and includes should be a separate patch. See: Documentation/devicetree/bindings/submitting-patches.rst > > > > > > + > > > +#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 > > >