[PATCH 1/2] ata: libata-core: Disable LPM on some WD drives

[Niklas Cassel <cassel@kernel.org>]

According to a user report WDC WD100EFGX-68CPLN0 and WDC WD102KFBX-68M95N0
have problems with LPM.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=220693
Signed-off-by: Niklas Cassel <cassel@kernel.org>
---
 drivers/ata/libata-core.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index c43bd28b20b1..15781b4f0489 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4413,6 +4413,14 @@ 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 },
 
+	/*
+	 * WD drives with LPM issues (irrespective of supported SATA speeds).
+	 * (Unlike ATA_QUIRK_WD_BROKEN_LPM, which is only applied if the drive
+	 * exposes SATA Gen1 speed support, and SATA Gen1 speed support only.)
+	 */
+	{ "WDC WD100EFGX-68CPLN0",	NULL,	ATA_QUIRK_NOLPM },
+	{ "WDC WD102KFBX-68M95N0",	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
-- 
2.55.0