diff options
Diffstat (limited to 'arch/m68k/kernel/dma.c')
| -rw-r--r-- | arch/m68k/kernel/dma.c | 41 |
1 files changed, 3 insertions, 38 deletions
diff --git a/arch/m68k/kernel/dma.c b/arch/m68k/kernel/dma.c index 871a0e11da34..16063783aa80 100644 --- a/arch/m68k/kernel/dma.c +++ b/arch/m68k/kernel/dma.c @@ -4,20 +4,11 @@ * for more details. */ -#undef DEBUG - -#include <linux/dma-noncoherent.h> -#include <linux/device.h> +#include <linux/dma-map-ops.h> #include <linux/kernel.h> -#include <linux/platform_device.h> -#include <linux/scatterlist.h> -#include <linux/slab.h> -#include <linux/vmalloc.h> -#include <linux/export.h> - -#include <asm/pgalloc.h> +#include <asm/cacheflush.h> -#if defined(CONFIG_MMU) && !defined(CONFIG_COLDFIRE) +#ifndef CONFIG_COLDFIRE void arch_dma_prep_coherent(struct page *page, size_t size) { cache_push(page_to_phys(page), size); @@ -33,32 +24,6 @@ pgprot_t pgprot_dmacoherent(pgprot_t prot) } return prot; } -#else - -#include <asm/cacheflush.h> - -void *arch_dma_alloc(struct device *dev, size_t size, dma_addr_t *dma_handle, - gfp_t gfp, unsigned long attrs) -{ - void *ret; - - if (dev == NULL || (*dev->dma_mask < 0xffffffff)) - gfp |= GFP_DMA; - ret = (void *)__get_free_pages(gfp, get_order(size)); - - if (ret != NULL) { - memset(ret, 0, size); - *dma_handle = virt_to_phys(ret); - } - return ret; -} - -void arch_dma_free(struct device *dev, size_t size, void *vaddr, - dma_addr_t dma_handle, unsigned long attrs) -{ - free_pages((unsigned long)vaddr, get_order(size)); -} - #endif /* CONFIG_MMU && !CONFIG_COLDFIRE */ void arch_sync_dma_for_device(phys_addr_t handle, size_t size, |