Hi,
since the kernel enabled LPM by default, Samsung 870 QVO SATA SSDs don't
work anymore. Disabling LPM for them solves it, please consider applying
the attached patch.
I've added a new case for 870 QVO specifically as regular 870 don't have
the issue.
[I'm not subscribed to the list, please CC on replies]
Regards,
Daniel
From 55e2cb12faa48cf429ad4a299ea4e4a3a9ba25f5 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel@xxxxxxxxxx>
Date: Sat, 18 Jan 2025 06:36:43 +0100
Subject: [PATCH] Disabling link power-management on Samsung SSD 870 QVO drives
to make them work.
Signed-off-by: Daniel Baumann <daniel@xxxxxxxxxx>
---
drivers/ata/libata-core.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index c085dd81ebe7..63ec2f218431 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4143,6 +4143,10 @@ static const struct ata_dev_quirks_entry __ata_dev_quirks[] = {
{ "Samsung SSD 860*", NULL, ATA_QUIRK_NO_NCQ_TRIM |
ATA_QUIRK_ZERO_AFTER_TRIM |
ATA_QUIRK_NO_NCQ_ON_ATI },
+ { "Samsung SSD 870 QVO*", NULL, ATA_QUIRK_NO_NCQ_TRIM |
+ ATA_QUIRK_ZERO_AFTER_TRIM |
+ ATA_QUIRK_NO_NCQ_ON_ATI |
+ ATA_QUIRK_NOLPM },
{ "Samsung SSD 870*", NULL, ATA_QUIRK_NO_NCQ_TRIM |
ATA_QUIRK_ZERO_AFTER_TRIM |
ATA_QUIRK_NO_NCQ_ON_ATI },
--
2.45.2