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authorDavid S. Miller <davem@davemloft.net>2008-08-27 05:20:35 -0400
committerDavid S. Miller <davem@davemloft.net>2008-08-29 05:15:02 -0400
commitaba945e76b9caeae5b6cfff179ca7bebb9bac805 (patch)
tree5a2afcd76a39a0f8e30badfe8d9b490248a588c2
parent10a104f9c591c3b1175bbb03ecb0bc8f2a4a16ee (diff)
sparc32: Kill mmu_translate_dvma() usage.
Just simply use virt_to_page() on the provided virtual address pointer. Kill #if 0'd code. Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--arch/sparc/kernel/ioport.c36
1 files changed, 1 insertions, 35 deletions
diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c
index e87ed519ffaf..82ef20161910 100644
--- a/arch/sparc/kernel/ioport.c
+++ b/arch/sparc/kernel/ioport.c
@@ -383,7 +383,7 @@ void sbus_free_consistent(struct device *dev, long n, void *p, u32 ba)
383 kfree(res); 383 kfree(res);
384 384
385 /* mmu_inval_dma_area(va, n); */ /* it's consistent, isn't it */ 385 /* mmu_inval_dma_area(va, n); */ /* it's consistent, isn't it */
386 pgv = mmu_translate_dvma(ba); 386 pgv = virt_to_page(p);
387 mmu_unmap_dma_area(ba, n); 387 mmu_unmap_dma_area(ba, n);
388 388
389 __free_pages(pgv, get_order(n)); 389 __free_pages(pgv, get_order(n));
@@ -428,46 +428,12 @@ void sbus_unmap_sg(struct device *dev, struct scatterlist *sg, int n, int direct
428 mmu_release_scsi_sgl(dev, sg, n); 428 mmu_release_scsi_sgl(dev, sg, n);
429} 429}
430 430
431/*
432 */
433void sbus_dma_sync_single_for_cpu(struct device *dev, dma_addr_t ba, size_t size, int direction) 431void sbus_dma_sync_single_for_cpu(struct device *dev, dma_addr_t ba, size_t size, int direction)
434{ 432{
435#if 0
436 unsigned long va;
437 struct resource *res;
438
439 /* We do not need the resource, just print a message if invalid. */
440 res = _sparc_find_resource(&_sparc_dvma, ba);
441 if (res == NULL)
442 panic("sbus_dma_sync_single: 0x%x\n", ba);
443
444 va = page_address(mmu_translate_dvma(ba)); /* XXX higmem */
445 /*
446 * XXX This bogosity will be fixed with the iommu rewrite coming soon
447 * to a kernel near you. - Anton
448 */
449 /* mmu_inval_dma_area(va, (size + PAGE_SIZE-1) & PAGE_MASK); */
450#endif
451} 433}
452 434
453void sbus_dma_sync_single_for_device(struct device *dev, dma_addr_t ba, size_t size, int direction) 435void sbus_dma_sync_single_for_device(struct device *dev, dma_addr_t ba, size_t size, int direction)
454{ 436{
455#if 0
456 unsigned long va;
457 struct resource *res;
458
459 /* We do not need the resource, just print a message if invalid. */
460 res = _sparc_find_resource(&_sparc_dvma, ba);
461 if (res == NULL)
462 panic("sbus_dma_sync_single: 0x%x\n", ba);
463
464 va = page_address(mmu_translate_dvma(ba)); /* XXX higmem */
465 /*
466 * XXX This bogosity will be fixed with the iommu rewrite coming soon
467 * to a kernel near you. - Anton
468 */
469 /* mmu_inval_dma_area(va, (size + PAGE_SIZE-1) & PAGE_MASK); */
470#endif
471} 437}
472 438
473/* Support code for sbus_init(). */ 439/* Support code for sbus_init(). */