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authorBorislav Petkov <borislav.petkov@amd.com>2012-09-12 18:16:01 +0200
committerBorislav Petkov <bp@alien8.de>2012-11-28 11:46:19 +0100
commit0a5dfc31405d9b07a5b37f150815b9ad09685460 (patch)
treea78f995d6a3903d7612c393b76ea4ae30a09e675 /drivers/edac
parentbb89f5a0547a56cf2406f1c3d6cd44f8fa62256d (diff)
amd64_edac: Use DBAM_DIMM macro
Instead of open-coding it, use the DBAM_DIMM macro in amd64_csrow_nr_pages() which we have already. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
Diffstat (limited to 'drivers/edac')
-rw-r--r--drivers/edac/amd64_edac.c2
-rw-r--r--drivers/edac/amd64_edac.h2
2 files changed, 2 insertions, 2 deletions
diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index cfb7e57786d1..89cd71ea0e50 100644
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -2094,7 +2094,7 @@ static u32 amd64_csrow_nr_pages(struct amd64_pvt *pvt, u8 dct, int csrow_nr)
* number of bits to shift the DBAM register to extract the proper CSROW
* field.
*/
- cs_mode = (dbam >> ((csrow_nr / 2) * 4)) & 0xF;
+ cs_mode = DBAM_DIMM(csrow_nr / 2, dbam);
nr_pages = pvt->ops->dbam_to_cs(pvt, dct, cs_mode) << (20 - PAGE_SHIFT);
diff --git a/drivers/edac/amd64_edac.h b/drivers/edac/amd64_edac.h
index abefab4722c2..e864f407806c 100644
--- a/drivers/edac/amd64_edac.h
+++ b/drivers/edac/amd64_edac.h
@@ -219,7 +219,7 @@
#define DBAM1 0x180
/* Extract the DIMM 'type' on the i'th DIMM from the DBAM reg value passed */
-#define DBAM_DIMM(i, reg) ((((reg) >> (4*i))) & 0xF)
+#define DBAM_DIMM(i, reg) ((((reg) >> (4*(i)))) & 0xF)
#define DBAM_MAX_VALUE 11