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-rw-r--r--drivers/edac/amd64_edac.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index 98e14ee4833..34380ccc3dd 100644
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -1239,9 +1239,17 @@ static u8 f15_m30h_determine_channel(struct amd64_pvt *pvt, u64 sys_addr,
if (num_dcts_intlv == 2) {
select = (sys_addr >> 8) & 0x3;
channel = select ? 0x3 : 0;
- } else if (num_dcts_intlv == 4)
- channel = (sys_addr >> 8) & 0x7;
-
+ } else if (num_dcts_intlv == 4) {
+ u8 intlv_addr = dct_sel_interleave_addr(pvt);
+ switch (intlv_addr) {
+ case 0x4:
+ channel = (sys_addr >> 8) & 0x3;
+ break;
+ case 0x5:
+ channel = (sys_addr >> 9) & 0x3;
+ break;
+ }
+ }
return channel;
}