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amd64_edac: Use DBAM_DIMM macro

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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>
This commit is contained in:
Borislav Petkov 2012-09-12 18:16:01 +02:00 committed by Borislav Petkov
parent bb89f5a054
commit 0a5dfc3140
2 changed files with 2 additions and 2 deletions
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2
drivers/edac/amd64_edac.c
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@ -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);

2
drivers/edac/amd64_edac.h
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@ -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