[PATCH v4] ata: libata: disable LPM for WDC WD20EFAX-68FB5N0 hard drives

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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@xxxxxxxxx>
---
 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





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