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domenico
2025-06-24 14:35:53 +02:00
commit c06fb25d1f
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37
target/linux/ramips/patches-6.6/800-dmaengine-mediatek-add-HSDMA-support-for-mt7621.patch Normal file
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@@ -0,0 +1,37 @@
From d94fc5ce1dc395747c3934ecffcdec0396583755 Mon Sep 17 00:00:00 2001
From: Nick Hainke <vincent@systemli.org>
Date: Fri, 26 May 2023 19:46:33 +0200
Subject: [PATCH] dmaengine: mediatek: add HSDMA support for mt7621
Commit 87dd67f496f7 ("staging: mt7621-dma: remove driver from tree")
removed the mt7621-dma driver. Move the driver from staging to the
folder "drivers/dma/mediatek" containing already other mediatek dma
driver implementations and maintain it downstream in OpenWrt.
This patch will not be sent to upstream linux. It is just a workaround.
Signed-off-by: Nick Hainke <vincent@systemli.org>
---
drivers/dma/mediatek/Kconfig | 6 ++++++
drivers/dma/mediatek/Makefile | 1 +
2 files changed, 7 insertions(+)
--- a/drivers/dma/mediatek/Kconfig
+++ b/drivers/dma/mediatek/Kconfig
@@ -36,3 +36,9 @@ config MTK_UART_APDMA
When SERIAL_8250_MT6577 is enabled, and if you want to use DMA,
you can enable the config. The DMA engine can only be used
with MediaTek SoCs.
+
+config MTK_HSDMA
+ tristate "MTK HSDMA support"
+ depends on RALINK && SOC_MT7621
+ select DMA_ENGINE
+ select DMA_VIRTUAL_CHANNELS
--- a/drivers/dma/mediatek/Makefile
+++ b/drivers/dma/mediatek/Makefile
@@ -2,3 +2,4 @@
obj-$(CONFIG_MTK_UART_APDMA) += mtk-uart-apdma.o
obj-$(CONFIG_MTK_HSDMA) += mtk-hsdma.o
obj-$(CONFIG_MTK_CQDMA) += mtk-cqdma.o
+obj-$(CONFIG_MTK_HSDMA) += hsdma-mt7621.o