[PATCH] nvme-pci: add quirk for Memblaze Pblaze5 (0x1c5f:0x0555)

[Chaitanya Kulkarni]

On 4/15/26 10:27, Tao Jiang wrote:
> The Memblaze Pblaze5 NVMe device (PCI ID 0x1c5f:0x0555)
> is detected as a controller on recent kernels (tested on 5.15.85
> and 6.8.4), but no namespace is exposed.
>
> Tools like lsblk and fdisk do not report any block device.
>
> dmesg shows:
>    nvme nvme0: missing or invalid SUBNQN field.
>
> The device works correctly on older kernels (e.g. 4.19), suggesting
> a compatibility issue with newer namespace handling.
>
> This indicates the device does not properly support the
> Namespace Descriptor List feature.
>
> Applying NVME_QUIRK_NO_NS_DESC_LIST allows the namespace to be
> discovered correctly.
>
> Signed-off-by: Tao Jiang<tanroame.kyle at gmail.com>
>
> ---


Looks good.

Reviewed-by: Chaitanya Kulkarni <kch at nvidia.com>