On 4/28/25 16:40, Niklas Cassel wrote:
> On Fri, Apr 25, 2025 at 10:33:17PM +0300, Mikko Juhani 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.
>>
>> Signed-off-by: Mikko Korhonen <mjkorhon@xxxxxxxxx>
>> ---
>> 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
>>
>> base-commit: 14a3cc755825ef7b34c986aa2786ea815023e9c5
>> --
>> 2.47.2
>
> Hello Mikko,
>
> I tried to apply this commit, but it fails with:
>
> Applying: ata: libata: disable LPM for WDC WD20EFAX-68FB5N0 hard drives
> Patch failed at 0001 ata: libata: disable LPM for WDC WD20EFAX-68FB5N0 hard drives
> error: corrupt patch at line 10
>
>
> Please use:
> $ git format-patch -1
> You should then get a foo.patch.
And please do not copy-paste that into a mailer. Use "git send-email" to send
the patch.
>
> You should then be able to do (locally):
> $ git checkout HEAD~
> $ git am foo.patch
>
> to verify that the commit can be applied.
>
>
> Kind regards,
> Niklas
--
Damien Le Moal
Western Digital Research
