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authorAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>2016-04-29 23:25:37 +1000
committerMichael Ellerman <mpe@ellerman.id.au>2016-05-01 18:32:32 +1000
commit72176dd0ad36c6d8e13515d085f7a229a55a2985 (patch)
treefa00f7e4d0a536375411b2d2f54de0421b98bff1 /arch/powerpc/kernel
parente58e87adc8bf92e9c6abb1dc1f4af2500aa07ff3 (diff)
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>
Diffstat (limited to 'arch/powerpc/kernel')
-rw-r--r--arch/powerpc/kernel/btext.c2
-rw-r--r--arch/powerpc/kernel/isa-bridge.c4
-rw-r--r--arch/powerpc/kernel/pci_64.c2
3 files changed, 4 insertions, 4 deletions
diff --git a/arch/powerpc/kernel/btext.c b/arch/powerpc/kernel/btext.c
index 41c011cb6070..8275858a434d 100644
--- a/arch/powerpc/kernel/btext.c
+++ b/arch/powerpc/kernel/btext.c
@@ -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;
diff --git a/arch/powerpc/kernel/isa-bridge.c b/arch/powerpc/kernel/isa-bridge.c
index 0f1997097960..ae1316106e2b 100644
--- a/arch/powerpc/kernel/isa-bridge.c
+++ b/arch/powerpc/kernel/isa-bridge.c
@@ -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))));
}
diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c
index 60bb187cb46a..41503d7d53a1 100644
--- a/arch/powerpc/kernel/pci_64.c
+++ b/arch/powerpc/kernel/pci_64.c
@@ -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 */