[PATCH v4 11/24] EDAC/amd64: Skip denormalization if no interleaving

From: Yazen Ghannam
Date: Thu Jan 27 2022 - 15:42:07 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://lore.kernel.org/r/20211028175728.121452-17-yazen.ghannam@xxxxxxx

v3->v4:
* No change.

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 53d9c4b1c233..b75311acbe13 100644
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -1203,6 +1203,10 @@ 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