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| author | Kristoffer Glembo <kristoffer@gaisler.com> | 2011-01-18 04:10:24 (GMT) |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-03-17 01:18:57 (GMT) |
| commit | 5c8345bbe8e7cfd5bfa59f0e1fcef2e12a28e430 (patch) | |
| tree | e8df018f2dec2be8d891c3b641b1514f6a60fa6c /arch/sparc/kernel/ioport.c | |
| parent | 4c5811bf463b0ef82fabbd1708f8bb2d753aeb18 (diff) | |
| download | linux-5c8345bbe8e7cfd5bfa59f0e1fcef2e12a28e430.tar.xz | |
sparc: Replace open coded page alignment with PAGE_ALIGN macro.
Signed-off-by: Kristoffer Glembo <kristoffer@gaisler.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc/kernel/ioport.c')
| -rw-r--r-- | arch/sparc/kernel/ioport.c | 25 |
1 files changed, 11 insertions, 14 deletions
diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c index 41f7e4e..cea49c0 100644 --- a/arch/sparc/kernel/ioport.c +++ b/arch/sparc/kernel/ioport.c @@ -254,7 +254,7 @@ static void *sbus_alloc_coherent(struct device *dev, size_t len, dma_addr_t *dma_addrp, gfp_t gfp) { struct platform_device *op = to_platform_device(dev); - unsigned long len_total = (len + PAGE_SIZE-1) & PAGE_MASK; + unsigned long len_total = PAGE_ALIGN(len); unsigned long va; struct resource *res; int order; @@ -281,6 +281,7 @@ static void *sbus_alloc_coherent(struct device *dev, size_t len, goto err_nova; } mmu_inval_dma_area(va, len_total); + // XXX The mmu_map_dma_area does this for us below, see comments. // sparc_mapiorange(0, virt_to_phys(va), res->start, len_total); /* @@ -321,7 +322,7 @@ static void sbus_free_coherent(struct device *dev, size_t n, void *p, return; } - n = (n + PAGE_SIZE-1) & PAGE_MASK; + n = PAGE_ALIGN(n); if ((res->end-res->start)+1 != n) { printk("sbus_free_consistent: region 0x%lx asked 0x%zx\n", (long)((res->end-res->start)+1), n); @@ -430,7 +431,7 @@ arch_initcall(sparc_register_ioport); static void *pci32_alloc_coherent(struct device *dev, size_t len, dma_addr_t *pba, gfp_t gfp) { - unsigned long len_total = (len + PAGE_SIZE-1) & PAGE_MASK; + unsigned long len_total = PAGE_ALIGN(len); unsigned long va; struct resource *res; int order; @@ -463,10 +464,6 @@ static void *pci32_alloc_coherent(struct device *dev, size_t len, return NULL; } mmu_inval_dma_area(va, len_total); -#if 0 -/* P3 */ printk("pci_alloc_consistent: kva %lx uncva %lx phys %lx size %lx\n", - (long)va, (long)res->start, (long)virt_to_phys(va), len_total); -#endif sparc_mapiorange(0, virt_to_phys(va), res->start, len_total); *pba = virt_to_phys(va); /* equals virt_to_bus (R.I.P.) for us. */ @@ -498,7 +495,7 @@ static void pci32_free_coherent(struct device *dev, size_t n, void *p, return; } - n = (n + PAGE_SIZE-1) & PAGE_MASK; + n = PAGE_ALIGN(n); if ((res->end-res->start)+1 != n) { printk("pci_free_consistent: region 0x%lx asked 0x%lx\n", (long)((res->end-res->start)+1), (long)n); @@ -574,7 +571,7 @@ static void pci32_unmap_sg(struct device *dev, struct scatterlist *sgl, BUG_ON(page_address(sg_page(sg)) == NULL); mmu_inval_dma_area( (unsigned long) page_address(sg_page(sg)), - (sg->length + PAGE_SIZE-1) & PAGE_MASK); + PAGE_ALIGN(sg->length)); } } } @@ -594,7 +591,7 @@ static void pci32_sync_single_for_cpu(struct device *dev, dma_addr_t ba, { if (dir != PCI_DMA_TODEVICE) { mmu_inval_dma_area((unsigned long)phys_to_virt(ba), - (size + PAGE_SIZE-1) & PAGE_MASK); + PAGE_ALIGN(size)); } } @@ -603,7 +600,7 @@ static void pci32_sync_single_for_device(struct device *dev, dma_addr_t ba, { if (dir != PCI_DMA_TODEVICE) { mmu_inval_dma_area((unsigned long)phys_to_virt(ba), - (size + PAGE_SIZE-1) & PAGE_MASK); + PAGE_ALIGN(size)); } } @@ -624,7 +621,7 @@ static void pci32_sync_sg_for_cpu(struct device *dev, struct scatterlist *sgl, BUG_ON(page_address(sg_page(sg)) == NULL); mmu_inval_dma_area( (unsigned long) page_address(sg_page(sg)), - (sg->length + PAGE_SIZE-1) & PAGE_MASK); + PAGE_ALIGN(sg->length)); } } } @@ -640,7 +637,7 @@ static void pci32_sync_sg_for_device(struct device *device, struct scatterlist * BUG_ON(page_address(sg_page(sg)) == NULL); mmu_inval_dma_area( (unsigned long) page_address(sg_page(sg)), - (sg->length + PAGE_SIZE-1) & PAGE_MASK); + PAGE_ALIGN(sg->length)); } } } @@ -717,7 +714,7 @@ static const struct file_operations sparc_io_proc_fops = { static struct resource *_sparc_find_resource(struct resource *root, unsigned long hit) { - struct resource *tmp; + struct resource *tmp; for (tmp = root->child; tmp != 0; tmp = tmp->sibling) { if (tmp->start <= hit && tmp->end >= hit) |