Re: [PATCH v3 7/7] scsi: scsi_devinfo: extend BLIST_NO_LUN_1F to MATSHITA and NEC PD-1 variants

[Damien Le Moal]

On 4/27/26 4:09 AM, Phil Pemberton wrote:
> The Panasonic LF-1095/LF-1195 PD/CD combo drive was sold under three
> OEM identities: COMPAQ "PD-1", MATSHITA "PD-1", and NEC "PD-1 ODX654P".
> All three are the same drive mechanism with the same firmware family,
> so they should share the BLIST_NO_LUN_1F quirk that was applied to the
> COMPAQ variant: PDT 0x1f / PQ 0 INQUIRY responses on non-existent LUNs
> are treated as "LUN not present" rather than as a phantom sdev.
> 
> This patch is offered for completeness.  It has not been tested on the
> MATSHITA or NEC variants -- the author only has access to the COMPAQ
> unit -- but the drives are functionally identical and the flag is a
> no-op on devices that do not exhibit the PDT 0x1f response.  Drop or
> hold this patch if confirmation on real hardware is preferred before
> extending the quirk.
> 
> Signed-off-by: Phil Pemberton <philpem@xxxxxxxxxxxxx>

Reviewed-by: Damien Le Moal <dlemoal@xxxxxxxxxx>


-- 
Damien Le Moal
Western Digital Research