Files
linux/drivers/ata
Hans de Goede f307956cad libata: Apply NOLPM quirk for SanDisk SD7UB3Q*G1001 SSDs
commit 184add2ca2 upstream.

Richard Jones has reported that using med_power_with_dipm on a T450s
with a Sandisk SD7UB3Q256G1001 SSD (firmware version X2180501) is
causing the machine to hang.

Switching the LPM to max_performance fixes this, so it seems that
this Sandisk SSD does not handle LPM well.

Note in the past there have been bug-reports about the following
Sandisk models not working with min_power, so we may need to extend
the quirk list in the future: name - firmware
Sandisk SD6SB2M512G1022I   - X210400
Sandisk SD6PP4M-256G-1006  - A200906

Cc: stable@vger.kernel.org
Cc: Richard W.M. Jones <rjones@redhat.com>
Reported-and-tested-by: Richard W.M. Jones <rjones@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-05-16 10:06:51 +02:00
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