From: Mikko Korhonen <mjkorhon@gmail.com>
To: linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org,
Damien Le Moal <dlemoal@kernel.org>,
Niklas Cassel <cassel@kernel.org>
Cc: Mikko Korhonen <mjkorhon@gmail.com>
Subject: [PATCH v4] ata: libata: disable LPM for WDC WD20EFAX-68FB5N0 hard drives
Date: Tue, 29 Apr 2025 19:44:35 +0300 [thread overview]
Message-ID: <20250429164610.68746-1-mjkorhon@gmail.com> (raw)
Make WDC WD20EFAX-68FB5N0 hard drives work again after regression in
6.9.0 when LPM was enabled, so disable it for this model.
Fixes: 7627a0edef54 ("ata: ahci: Drop low power policy board type")
Signed-off-by: Mikko Korhonen <mjkorhon@gmail.com>
---
drivers/ata/libata-core.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 773799cfd443..5c2f26945d61 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4239,6 +4239,11 @@ static const struct ata_dev_quirks_entry __ata_dev_quirks[] = {
{ "WDC WD3000JD-*", NULL, ATA_QUIRK_WD_BROKEN_LPM },
{ "WDC WD3200JD-*", NULL, ATA_QUIRK_WD_BROKEN_LPM },
+ /*
+ * This specific WD SATA-3 model has problems with LPM.
+ */
+ { "WDC WD20EFAX-68FB5N0", NULL, ATA_QUIRK_NOLPM },
+
/*
* This sata dom device goes on a walkabout when the ATA_LOG_DIRECTORY
* log page is accessed. Ensure we never ask for this log page with
--
2.47.2
next reply other threads:[~2025-04-29 16:46 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-04-29 16:44 Mikko Korhonen [this message]
2025-04-30 6:35 ` [PATCH v4] ata: libata: disable LPM for WDC WD20EFAX-68FB5N0 hard drives Niklas Cassel
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