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

Message ID 20250429164610.68746-1-mjkorhon@gmail.com
State New
Headers show
Series [v4] ata: libata: disable LPM for WDC WD20EFAX-68FB5N0 hard drives | expand

Commit Message

Mikko Korhonen April 29, 2025, 4:44 p.m. UTC
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@gmail.com>
---
 drivers/ata/libata-core.c | 5 +++++
 1 file changed, 5 insertions(+)

Comments

Niklas Cassel April 30, 2025, 6:35 a.m. UTC | #1
On Tue, 29 Apr 2025 19:44:35 +0300, Mikko Korhonen wrote:
> Make WDC WD20EFAX-68FB5N0 hard drives work again after regression in
> 6.9.0 when LPM was enabled, so disable it for this model.
> 
> 

Applied to libata/linux.git (for-6.15-fixes), thanks!

[1/1] ata: libata: disable LPM for WDC WD20EFAX-68FB5N0 hard drives
      https://git.kernel.org/libata/linux/c/f847305c

Kind regards,
Niklas
diff mbox series

Patch

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