diff options
Diffstat (limited to 'arch/sparc/mm/io-unit.c')
-rw-r--r-- | arch/sparc/mm/io-unit.c | 12 |
1 files changed, 2 insertions, 10 deletions
diff --git a/arch/sparc/mm/io-unit.c b/arch/sparc/mm/io-unit.c index 289276b99b01..bfcc04bfce54 100644 --- a/arch/sparc/mm/io-unit.c +++ b/arch/sparc/mm/io-unit.c @@ -10,14 +10,12 @@ #include <linux/slab.h> #include <linux/spinlock.h> #include <linux/mm.h> -#include <linux/highmem.h> /* pte_offset_map => kmap_atomic */ #include <linux/bitops.h> #include <linux/dma-mapping.h> #include <linux/of.h> #include <linux/of_device.h> #include <asm/pgalloc.h> -#include <asm/pgtable.h> #include <asm/io.h> #include <asm/io-unit.h> #include <asm/mxcc.h> @@ -242,21 +240,15 @@ static void *iounit_alloc(struct device *dev, size_t len, while(addr < end) { page = va; { - pgd_t *pgdp; - p4d_t *p4dp; - pud_t *pudp; pmd_t *pmdp; pte_t *ptep; long i; - pgdp = pgd_offset(&init_mm, addr); - p4dp = p4d_offset(pgdp, addr); - pudp = pud_offset(p4dp, addr); - pmdp = pmd_offset(pudp, addr); + pmdp = pmd_off_k(addr); ptep = pte_offset_map(pmdp, addr); set_pte(ptep, mk_pte(virt_to_page(page), dvma_prot)); - + i = ((addr - IOUNIT_DMA_BASE) >> PAGE_SHIFT); iopte = iounit->page_table + i; |