[PATCH v3 16/33] EDAC/amd64: Skip denormalization if no interleaving

From: Yazen Ghannam
Date: Thu Oct 28 2021 - 13:59:35 EST


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/20210623192002.3671647-18-yazen.ghannam@xxxxxxx

v2->v3:
* Was patch 17 in v2.

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 6b19fc5cf340..b6a8366e40ba 100644
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -1193,6 +1193,10 @@ 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