[PATCH] libata: disable LPM for WDC WD20EFAX-68FB5N0 hard drive

[Mikko Juhani Korhonen <mjkorhon@xxxxxxxxx>]

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 <mjkorhon@xxxxxxxxx>

diff -u linux-6.14.3/drivers/ata/libata-core.c
linux-6.14.3-mk/drivers/ata/libata-core.c
--- linux-6.14.3/drivers/ata/libata-core.c      2025-04-20
11:23:22.000000000 +0300
+++ linux-6.14.3-mk/drivers/ata/libata-core.c   2025-04-22
16:53:52.341934384 +0300
@@ -4238,6 +4238,11 @@
       { "WDC WD2500JD-*",             NULL,   ATA_QUIRK_WD_BROKEN_LPM },
       { "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