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powerpc: don't use ioremap_prot() nor __ioremap() unless really needed.

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In many places, ioremap_prot() and __ioremap() can be replaced with
higher level functions like ioremap(), ioremap_coherent(),
ioremap_cache(), ioremap_wc() ...

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Christophe Leroy
2018-10-09 13:51:41 +00:00
committed by Michael Ellerman
parent 402a5698b4
commit aa91796ec4
6 changed files with 10 additions and 11 deletions
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2
arch/powerpc/kernel/crash_dump.c
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@@ -110,7 +110,7 @@ ssize_t copy_oldmem_page(unsigned long pfn, char *buf,
vaddr = __va(paddr);
csize = copy_oldmem_vaddr(vaddr, buf, csize, offset, userbuf);
} else {
vaddr = __ioremap(paddr, PAGE_SIZE, 0);
vaddr = ioremap_cache(paddr, PAGE_SIZE);
csize = copy_oldmem_vaddr(vaddr, buf, csize, offset, userbuf);
iounmap(vaddr);
}