From 95099d4622f8cb224d94e314c7a8e0df60b13f87 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 08:38:01 +0000
Subject: [PATCH] enable docker ppp
---
kernel/arch/powerpc/include/asm/dma-direct.h | 23 ++++-------------------
1 files changed, 4 insertions(+), 19 deletions(-)
diff --git a/kernel/arch/powerpc/include/asm/dma-direct.h b/kernel/arch/powerpc/include/asm/dma-direct.h
index 7702875..128304c 100644
--- a/kernel/arch/powerpc/include/asm/dma-direct.h
+++ b/kernel/arch/powerpc/include/asm/dma-direct.h
@@ -2,28 +2,13 @@
#ifndef ASM_POWERPC_DMA_DIRECT_H
#define ASM_POWERPC_DMA_DIRECT_H 1
-static inline bool dma_capable(struct device *dev, dma_addr_t addr, size_t size)
+static inline dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr)
{
-#ifdef CONFIG_SWIOTLB
- struct dev_archdata *sd = &dev->archdata;
-
- if (sd->max_direct_dma_addr && addr + size > sd->max_direct_dma_addr)
- return false;
-#endif
-
- if (!dev->dma_mask)
- return false;
-
- return addr + size - 1 <= *dev->dma_mask;
+ return paddr + dev->archdata.dma_offset;
}
-static inline dma_addr_t __phys_to_dma(struct device *dev, phys_addr_t paddr)
+static inline phys_addr_t dma_to_phys(struct device *dev, dma_addr_t daddr)
{
- return paddr + get_dma_offset(dev);
-}
-
-static inline phys_addr_t __dma_to_phys(struct device *dev, dma_addr_t daddr)
-{
- return daddr - get_dma_offset(dev);
+ return daddr - dev->archdata.dma_offset;
}
#endif /* ASM_POWERPC_DMA_DIRECT_H */
--
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