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[80.222.227.244]) by smtp.gmail.com with ESMTPSA id 38308e7fff4ca-317cfb481ecsm24398551fa.31.2025.04.29.09.46.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 29 Apr 2025 09:46:33 -0700 (PDT) From: Mikko Korhonen To: linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org, Damien Le Moal , Niklas Cassel Cc: Mikko Korhonen Subject: [PATCH v4] ata: libata: disable LPM for WDC WD20EFAX-68FB5N0 hard drives Date: Tue, 29 Apr 2025 19:44:35 +0300 Message-ID: <20250429164610.68746-1-mjkorhon@gmail.com> X-Mailer: git-send-email 2.47.2 Precedence: bulk X-Mailing-List: linux-ide@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 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 --- 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