Re: [PATCH 01/21] dt-binding: memory: mediatek: Add a common larb-port header file
From: Pi-Hsun Shih <hidden>
Date: 2020-07-13 05:44:21
Also in:
linux-arm-kernel, linux-iommu, linux-mediatek, lkml
On Mon, Jul 13, 2020 at 2:06 AM Matthias Brugger [off-list ref] wrote:
On 11/07/2020 08:48, Yong Wu wrote:quoted
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@mediatek.com> --- 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@mediatek.com> + */ +#ifndef __DTS_MTK_IOMMU_PORT_H_ +#define __DTS_MTK_IOMMU_PORT_H_ + +#define MTK_LARB_NR_MAX 16include/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?
quoted
+ +#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