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Thu, 24 Apr 2025 13:43:38 -0700 (PDT) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 References: <62cfcebc-3280-448c-9fe6-ef6df0b3fcb0@kernel.org> In-Reply-To: <62cfcebc-3280-448c-9fe6-ef6df0b3fcb0@kernel.org> From: Mikko Juhani Korhonen Date: Thu, 24 Apr 2025 23:43:02 +0300 X-Gm-Features: ATxdqUHXI9-HqWRMgcmrHXKCUMlG_WouCuHVKNMSZzNA7GGT8FdbiflQSMd5dnA Message-ID: Subject: [PATCH v2] ata: libata: disable LPM for WDC WD20EFAX-68FB5N0 hard drives To: Damien Le Moal Cc: Niklas Cassel , linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Make WDC WD20EFAX-68FB5N0 hard drive work again after regression in 6.9.0 when LPM was enabled, so disable it for this model 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 d956735e2a76..c429ba259548 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -4208,6 +4208,11 @@ static const struct ata_dev_quirks_entry __ata_dev_quirks[] =3D { { "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_DIRECTO= RY * log page is accessed. Ensure we never ask for this log page with base-commit: 38fec10eb60d687e30c8c6b5420d86e8149f7557 -- 2.47.2