linux-kernel - [PATCH 1/3] MIPS: Loongson1B: Add dma_slave

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Message-Id: <20210520134809.27143-2-keguang.zhang@gmail.com>
Date:   Thu, 20 May 2021 21:48:07 +0800
From:   Keguang Zhang <keguang.zhang@...il.com>
To:     linux-mips@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Keguang Zhang <keguang.zhang@...soc.com>
Subject: [PATCH 1/3] MIPS: Loongson1B: Add dma_slave_map to DMA platform data

From: Keguang Zhang <keguang.zhang@...soc.com>

This patch add dma_slave_map to DMA platform data,
and remove unnecessary DMA filter declaration.

Signed-off-by: Keguang Zhang <keguang.zhang@...soc.com>
---
 arch/mips/include/asm/mach-loongson32/dma.h  | 7 ++++---
 arch/mips/include/asm/mach-loongson32/nand.h | 4 ----
 2 files changed, 4 insertions(+), 7 deletions(-)

diff --git a/arch/mips/include/asm/mach-loongson32/dma.h b/arch/mips/include/asm/mach-loongson32/dma.h
index e917b3ccb2c2..1bcf1eb8fe3d 100644
--- a/arch/mips/include/asm/mach-loongson32/dma.h
+++ b/arch/mips/include/asm/mach-loongson32/dma.h
@@ -8,14 +8,15 @@
 #ifndef __ASM_MACH_LOONGSON32_DMA_H
 #define __ASM_MACH_LOONGSON32_DMA_H
 
+#include <linux/dmaengine.h>
+
 #define LS1X_DMA_CHANNEL0	0
 #define LS1X_DMA_CHANNEL1	1
 #define LS1X_DMA_CHANNEL2	2
 
 struct plat_ls1x_dma {
-	int nr_channels;
+	const struct dma_slave_map *slave_map;
+	int slavecnt;
 };
 
-extern struct plat_ls1x_dma ls1b_dma_pdata;
-
 #endif /* __ASM_MACH_LOONGSON32_DMA_H */
diff --git a/arch/mips/include/asm/mach-loongson32/nand.h b/arch/mips/include/asm/mach-loongson32/nand.h
index aaf5ed19d78d..d6eff2fadca2 100644
--- a/arch/mips/include/asm/mach-loongson32/nand.h
+++ b/arch/mips/include/asm/mach-loongson32/nand.h
@@ -19,8 +19,4 @@ struct plat_ls1x_nand {
 	int wait_cycle;
 };
 
-extern struct plat_ls1x_nand ls1b_nand_pdata;
-
-bool ls1x_dma_filter_fn(struct dma_chan *chan, void *param);
-
 #endif /* __ASM_MACH_LOONGSON32_NAND_H */
-- 
2.25.1