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