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cxgb4: use pgprot_writecombine() on powerpc 

Commit fe3cc0d99d ("powerpc: Add
pgprot_writecombine") in benh's tree exposes the pgprot_writecombine()
API to drivers on powerpc. cxgb4 has an open-coded version of the same,
so use the common API now that it's available.

Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>
Cc: Steve Wise <swise@opengridcomputing.com>
Cc: Anton Blanchard <anton@samba.org>
Acked-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Nishanth Aravamudan 2011-03-14 10:36:11 +00:00 committed by Benjamin Herrenschmidt
parent efcac6589a
commit e297d9dd5c
1 changed files with 1 additions and 4 deletions
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5
drivers/infiniband/hw/cxgb4/t4.h
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@ -269,11 +269,8 @@ struct t4_swsqe {
static inline pgprot_t t4_pgprot_wc(pgprot_t prot)
{
#if defined(__i386__) || defined(__x86_64__)
#if defined(__i386__) || defined(__x86_64__) || defined(CONFIG_PPC64)
return pgprot_writecombine(prot);
#elif defined(CONFIG_PPC64)
return __pgprot((pgprot_val(prot) | _PAGE_NO_CACHE) &
~(pgprot_t)_PAGE_GUARDED);
#else
return pgprot_noncached(prot);
#endif