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powerpc/mm: Use a helper for finding pte bits mapping I/O area 

Use a helper instead of open coding with constants. A later patch will
drop the WIMG bits and use PowerISA 3.0 defines.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Aneesh Kumar K.V 2016-04-29 23:25:37 +10:00 committed by Michael Ellerman
parent e58e87adc8
commit 72176dd0ad
6 changed files with 8 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/powerpc/kernel/btext.c
View File

@ -162,7 +162,7 @@ void btext_map(void)
offset = ((unsigned long) dispDeviceBase) - base;
size = dispDeviceRowBytes * dispDeviceRect[3] + offset
+ dispDeviceRect[0];
vbase = __ioremap(base, size, _PAGE_NO_CACHE);
vbase = __ioremap(base, size, pgprot_val(pgprot_noncached_wc(__pgprot(0))));
if (vbase == 0)
return;
logicalDisplayBase = vbase + offset;

4
arch/powerpc/kernel/isa-bridge.c
View File

@ -109,14 +109,14 @@ static void pci_process_ISA_OF_ranges(struct device_node *isa_node,
size = 0x10000;
__ioremap_at(phb_io_base_phys, (void *)ISA_IO_BASE,
size, _PAGE_NO_CACHE|_PAGE_GUARDED);
size, pgprot_val(pgprot_noncached(__pgprot(0))));
return;
inval_range:
printk(KERN_ERR "no ISA IO ranges or unexpected isa range, "
"mapping 64k\n");
__ioremap_at(phb_io_base_phys, (void *)ISA_IO_BASE,
0x10000, _PAGE_NO_CACHE|_PAGE_GUARDED);
0x10000, pgprot_val(pgprot_noncached(__pgprot(0))));
}

2
arch/powerpc/kernel/pci_64.c
View File

@ -159,7 +159,7 @@ static int pcibios_map_phb_io_space(struct pci_controller *hose)
/* Establish the mapping */
if (__ioremap_at(phys_page, area->addr, size_page,
_PAGE_NO_CACHE | _PAGE_GUARDED) == NULL)
pgprot_val(pgprot_noncached(__pgprot(0)))) == NULL)
return -ENOMEM;
/* Fixup hose IO resource */

4
arch/powerpc/mm/pgtable_64.c
View File

@ -253,7 +253,7 @@ void __iomem * __ioremap(phys_addr_t addr, unsigned long size,
void __iomem * ioremap(phys_addr_t addr, unsigned long size)
{
unsigned long flags = _PAGE_NO_CACHE | _PAGE_GUARDED;
unsigned long flags = pgprot_val(pgprot_noncached(__pgprot(0)));
void *caller = __builtin_return_address(0);
if (ppc_md.ioremap)
@ -263,7 +263,7 @@ void __iomem * ioremap(phys_addr_t addr, unsigned long size)
void __iomem * ioremap_wc(phys_addr_t addr, unsigned long size)
{
unsigned long flags = _PAGE_NO_CACHE;
unsigned long flags = pgprot_val(pgprot_noncached_wc(__pgprot(0)));
void *caller = __builtin_return_address(0);
if (ppc_md.ioremap)

2
arch/powerpc/platforms/ps3/spu.c
View File

@ -216,7 +216,7 @@ static int __init setup_areas(struct spu *spu)
}
spu->local_store = (__force void *)ioremap_prot(spu->local_store_phys,
LS_SIZE, _PAGE_NO_CACHE);
LS_SIZE, pgprot_val(pgprot_noncached_wc(__pgprot(0))));
if (!spu->local_store) {
pr_debug("%s:%d: ioremap local_store failed\n",

2
drivers/pcmcia/electra_cf.c
View File

@ -228,7 +228,7 @@ static int electra_cf_probe(struct platform_device *ofdev)
if (!cf->mem_base || !cf->io_virt || !cf->gpio_base ||
(__ioremap_at(io.start, cf->io_virt, cf->io_size,
_PAGE_NO_CACHE | _PAGE_GUARDED) == NULL)) {
pgprot_val(pgprot_noncached(__pgprot(0)))) == NULL)) {
dev_err(device, "can't ioremap ranges\n");
status = -ENOMEM;
goto fail1;