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authorNishanth Aravamudan <nacc@us.ibm.com>2011-03-14 11:36:11 +0100
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2011-04-27 06:18:25 +0200
commite297d9dd5cfafbeb2e7585bb444941848e030454 (patch)
tree72a38df12fb3928b3b8493ef1e783374c0892559 /drivers
parentpowerpc: Per process DSCR + some fixes (try#4) (diff)
downloadlinux-e297d9dd5cfafbeb2e7585bb444941848e030454.tar.xz
linux-e297d9dd5cfafbeb2e7585bb444941848e030454.zip
cxgb4: use pgprot_writecombine() on powerpc
Commit fe3cc0d99de6a9bf99b6c279a8afb5833888c1f7 ("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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/infiniband/hw/cxgb4/t4.h5
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/infiniband/hw/cxgb4/t4.h b/drivers/infiniband/hw/cxgb4/t4.h
index 24af12fc8228..c0221eec8817 100644
--- a/drivers/infiniband/hw/cxgb4/t4.h
+++ b/drivers/infiniband/hw/cxgb4/t4.h
@@ -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