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Index: madwifi-trunk-r3280/ath/if_ath_ahb.c
===================================================================
--- madwifi-trunk-r3280.orig/ath/if_ath_ahb.c 2008-01-28 20:00:18.552163264 +0100
+++ madwifi-trunk-r3280/ath/if_ath_ahb.c 2008-01-28 20:00:18.612166683 +0100
@@ -69,27 +69,13 @@
void *
bus_alloc_consistent(void *hwdev, size_t size, dma_addr_t *dma_handle)
{
- void *ret;
-
- ret = (void *) __get_free_pages(GFP_ATOMIC, get_order(size));
-
- if (ret != NULL) {
- memset(ret, 0, size);
- *dma_handle = __pa(ret);
- dma_cache_wback_inv((unsigned long) ret, size);
- ret = UNCAC_ADDR(ret);
- }
-
- return ret;
+ return dma_alloc_coherent(hwdev, size, dma_handle, GFP_ATOMIC);
}
void
bus_free_consistent(void *hwdev, size_t size, void *vaddr, dma_addr_t dma_handle)
{
- unsigned long addr = (unsigned long) vaddr;
-
- addr = CAC_ADDR(addr);
- free_pages(addr, get_order(size));
+ dma_free_coherent(hwdev, size, vaddr, dma_handle);
}
static int
Index: madwifi-trunk-r3280/ath/if_ath_ahb.h
===================================================================
--- madwifi-trunk-r3280.orig/ath/if_ath_ahb.h 2008-01-28 19:52:49.442569967 +0100
+++ madwifi-trunk-r3280/ath/if_ath_ahb.h 2008-01-28 21:55:51.325773888 +0100
@@ -8,6 +8,7 @@
#ifndef _DEV_ATH_AHB_H_
#define _DEV_ATH_AHB_H_
+#include <linux/dma-mapping.h>
#include <asm/io.h>
#include <asm/uaccess.h>
@@ -89,8 +90,8 @@
#define AR531X_RADIO1_MASK 0x000c
#define AR531X_RADIO1_S 2
-#define BUS_DMA_FROMDEVICE 0
-#define BUS_DMA_TODEVICE 1
+#define BUS_DMA_FROMDEVICE DMA_FROM_DEVICE
+#define BUS_DMA_TODEVICE DMA_TO_DEVICE
#define AR531X_APBBASE 0xbc000000
#define AR531X_RESETTMR (AR531X_APBBASE + 0x3000)
@@ -115,29 +116,19 @@
static __inline void bus_dma_sync_single(void *hwdev, dma_addr_t dma_handle,
size_t size, int direction)
{
- unsigned long addr;
-
- addr = (unsigned long) __va(dma_handle);
- dma_cache_wback_inv(addr, size);
+ dma_sync_single(hwdev, dma_handle, size, direction);
}
static __inline dma_addr_t bus_map_single(void *hwdev, void *ptr,
size_t size, int direction)
{
- dma_cache_wback_inv((unsigned long) ptr, size);
-
- return __pa(ptr);
+ return dma_map_single(hwdev, ptr, size, direction);
}
static __inline void bus_unmap_single(void *hwdev, dma_addr_t dma_addr,
size_t size, int direction)
{
- if (direction != BUS_DMA_TODEVICE) {
- unsigned long addr;
-
- addr = (unsigned long)__va(dma_addr);
- dma_cache_wback_inv(addr, size);
- }
+ dma_unmap_single(hwdev, dma_addr, size, direction);
}
void *bus_alloc_consistent(void *, size_t, dma_addr_t *);
void bus_free_consistent(void *, size_t, void *, dma_addr_t);
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