* [PATCH] nvme: add quirk NVME_QUIRK_IGNORE_DEV_SUBNQN for 144d:a808 (Samsung PM981/983/970 EVO Plus )
@ 2026-04-09 8:15 Alan Cui
0 siblings, 0 replies; only message in thread
From: Alan Cui @ 2026-04-09 8:15 UTC (permalink / raw)
To: linux-nvme, kbusch; +Cc: linux-kernel
The firmware for Samsung 970 Evo Plus / PM981 / PM983 does not support SUBNQN.
Make quirks to suppress warnings.
# nvme id-ctrl /dev/nvme1n1
NVME Identify Controller:
vid : 0x144d
ssvid : 0x144d
sn : ***
mn : Samsung SSD 970 EVO Plus 500GB
fr : 2B2QEXM7
mcdqpc : 0
subnqn :
ioccsz : 0
Signed-off-by: Alan Cui <me@alancui.cc>
---
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index e6267a6aa..d4e68cf9a 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -3375,6 +3375,8 @@ static const struct pci_device_id nvme_id_table[] = {
.driver_data = NVME_QUIRK_DELAY_BEFORE_CHK_RDY, },
{ PCI_DEVICE(0x1c5f, 0x0540), /* Memblaze Pblaze4 adapter */
.driver_data = NVME_QUIRK_DELAY_BEFORE_CHK_RDY, },
+ { PCI_DEVICE(0x144d, 0xa808), /* Samsung PM981/983 */
+ .driver_data = NVME_QUIRK_IGNORE_DEV_SUBNQN, },
{ PCI_DEVICE(0x144d, 0xa821), /* Samsung PM1725 */
.driver_data = NVME_QUIRK_DELAY_BEFORE_CHK_RDY, },
{ PCI_DEVICE(0x144d, 0xa822), /* Samsung PM1725a */
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2026-04-09 8:15 [PATCH] nvme: add quirk NVME_QUIRK_IGNORE_DEV_SUBNQN for 144d:a808 (Samsung PM981/983/970 EVO Plus ) Alan Cui
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