linux-kernel - [PATCH 3/4] EDAC/amd64: Set zn_regs_v2 flag for all AMD Family 1Ah-based SOCs

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Message-ID: <20251013173632.1449366-4-avadhut.naik@amd.com>
Date: Mon, 13 Oct 2025 17:30:42 +0000
From: Avadhut Naik <avadhut.naik@....com>
To: <linux-edac@...r.kernel.org>
CC: <bp@...en8.de>, <yazen.ghannam@....com>, <linux-kernel@...r.kernel.org>,
	<avadhut.naik@....com>
Subject: [PATCH 3/4] EDAC/amd64: Set zn_regs_v2 flag for all AMD Family 1Ah-based SOCs

The zn_regs_v2 flag should be set for all AMD Family 1Ah-based SOCs.

Set the flag once for all 1Ah-based SOCs and avoid repetetive assignment.

Signed-off-by: Avadhut Naik <avadhut.naik@....com>
---
 drivers/edac/amd64_edac.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index 2391f3469961..832f9675e7b0 100644
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -3779,6 +3779,8 @@ static int per_family_init(struct amd64_pvt *pvt)
 	else
 		pvt->ops = &dct_ops;
 
+	pvt->flags.zn_regs_v2 = (pvt->fam >= 0x1A) ? 1 : 0;
+
 	switch (pvt->fam) {
 	case 0xf:
 		tmp_name				= (pvt->ext_model >= K8_REV_F) ?
@@ -3887,20 +3889,14 @@ static int per_family_init(struct amd64_pvt *pvt)
 		switch (pvt->model) {
 		case 0x00 ... 0x1f:
 			pvt->max_mcs            = 12;
-			pvt->flags.zn_regs_v2   = 1;
-			break;
-		case 0x40 ... 0x4f:
-			pvt->flags.zn_regs_v2   = 1;
 			break;
 		case 0x50 ... 0x57:
 		case 0xc0 ... 0xc7:
 			pvt->max_mcs            = 16;
-			pvt->flags.zn_regs_v2   = 1;
 			break;
 		case 0x90 ... 0x9f:
 		case 0xa0 ... 0xaf:
 			pvt->max_mcs            = 8;
-			pvt->flags.zn_regs_v2   = 1;
 			break;
 		}
 		break;
-- 
2.43.0