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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>
This commit is contained in:
Kristoffer Glembo 2011-01-18 04:10:24 +00:00 committed by David S. Miller
parent 4c5811bf46
commit 5c8345bbe8
1 changed files with 11 additions and 14 deletions
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25
arch/sparc/kernel/ioport.c
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@ -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)