Klaus Jensen 3e554aa3d0 nvme-pci: allow use of cmb on v1.4 controllers
[ Upstream commit 20d3bb92e84d417b0494a3b6867f0c86713db257 ]

Since NVMe v1.4 the Controller Memory Buffer must be explicitly enabled
by the host.

Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
[hch: avoid a local variable and add a comment]
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-02-07 15:37:16 +01:00
..
2020-10-23 11:17:56 -07:00
2020-11-19 19:56:29 +01:00