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| author | Christophe Leroy <christophe.leroy@c-s.fr> | 2018-10-09 15:51:43 +0200 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2018-10-14 09:04:09 +0200 |
| commit | 56f3c1413f5cce0c8f4d6f1ab79d790da5aa61af (patch) | |
| tree | a1ec8ea4a338d63d56353383ae49caad7b5b23dc /arch/powerpc/kernel | |
| parent | powerpc: don't use ioremap_prot() nor __ioremap() unless really needed. (diff) | |
| download | linux-56f3c1413f5cce0c8f4d6f1ab79d790da5aa61af.tar.xz linux-56f3c1413f5cce0c8f4d6f1ab79d790da5aa61af.zip | |
powerpc/mm: properly set PAGE_KERNEL flags in ioremap()
Set PAGE_KERNEL directly in the caller and do not rely on a
hack adding PAGE_KERNEL flags when _PAGE_PRESENT is not set.
As already done for PPC64, use pgprot_cache() helpers instead of
_PAGE_XXX flags in PPC32 ioremap() derived functions.
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/kernel')
| -rw-r--r-- | arch/powerpc/kernel/isa-bridge.c | 6 | ||||
| -rw-r--r-- | arch/powerpc/kernel/pci_64.c | 2 |
2 files changed, 4 insertions, 4 deletions
diff --git a/arch/powerpc/kernel/isa-bridge.c b/arch/powerpc/kernel/isa-bridge.c index 1df6c74aa731..072e384f8c86 100644 --- a/arch/powerpc/kernel/isa-bridge.c +++ b/arch/powerpc/kernel/isa-bridge.c @@ -110,14 +110,14 @@ 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, pgprot_val(pgprot_noncached(__pgprot(0)))); + size, pgprot_val(pgprot_noncached(PAGE_KERNEL))); 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, pgprot_val(pgprot_noncached(__pgprot(0)))); + 0x10000, pgprot_val(pgprot_noncached(PAGE_KERNEL))); } @@ -253,7 +253,7 @@ void __init isa_bridge_init_non_pci(struct device_node *np) */ isa_io_base = ISA_IO_BASE; __ioremap_at(pbase, (void *)ISA_IO_BASE, - size, pgprot_val(pgprot_noncached(__pgprot(0)))); + size, pgprot_val(pgprot_noncached(PAGE_KERNEL))); pr_debug("ISA: Non-PCI bridge is %pOF\n", np); } diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c index dff28f903512..64bb4dd2b8f1 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, - pgprot_val(pgprot_noncached(__pgprot(0)))) == NULL) + pgprot_val(pgprot_noncached(PAGE_KERNEL))) == NULL) return -ENOMEM; /* Fixup hose IO resource */ |