[PATCH v2 17/31] EDAC/amd64: Skip denormalization if no interleaving

[Yazen Ghannam]

Denormalization doesn't apply to the "no interleaving" mode, so return
early without error in this case.

Signed-off-by: Yazen Ghannam <yazen.ghannam@xxxxxxx>
---
Link:
https://lkml.kernel.org/r/20210507190140.18854-14-Yazen.Ghannam@xxxxxxx

v1->v2:
* Moved from arch/x86 to EDAC.

 drivers/edac/amd64_edac.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index 233f8cec4fe8..02dc34c13d65 100644
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -1234,6 +1234,10 @@ static int denormalize_addr(struct addr_ctx *ctx)
 	u8 intlv_num_dies, intlv_num_chan, intlv_num_sockets;
 	u8 num_intlv_bits, cs_mask = 0;
 
+	/* Return early if no interleaving. */
+	if (ctx->intlv_mode == NONE)
+		return 0;
+
 	if (get_intlv_addr_bit(ctx))
 		return -EINVAL;
 
-- 
2.25.1