/* * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * * Copyright (C) 2000 Ani Joshi <ajoshi@unixbox.com> * Copyright (C) 2000 Ralf Baechle <ralf@gnu.org> * swiped from i386, and cloned for MIPS by Geert, polished by Ralf. */ #include <linux/types.h> #include <linux/mm.h> #include <linux/string.h> #include <linux/pci.h> #include <asm/io.h> #include <asm/addrspace.h> #include <asm/ip32/mace.h> void *pci_alloc_consistent(struct pci_dev *hwdev, size_t size, dma_addr_t * dma_handle) { void *ret; int gfp = GFP_ATOMIC; if (hwdev == NULL || hwdev->dma_mask != 0xffffffff) gfp |= GFP_DMA; ret = (void *) __get_free_pages(gfp, get_order(size)); if (ret != NULL) { memset(ret, 0, size); dma_cache_wback_inv((unsigned long) ret, size); *dma_handle = virt_to_bus(ret); } return ret; } void pci_free_consistent(struct pci_dev *hwdev, size_t size, void *vaddr, dma_addr_t dma_handle) { free_pages((unsigned long) vaddr, get_order(size)); }