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(parent: 9ebbfe4) | patch
nvme-pci: allow use of cmb on v1.4 controllers
authorKlaus Jensen <k.jensen@samsung.com>
Fri, 15 Jan 2021 06:30:46 +0000 (07:30 +0100)
committerChristoph Hellwig <hch@lst.de>
Mon, 18 Jan 2021 17:58:18 +0000 (18:58 +0100)
commit20d3bb92e84d417b0494a3b6867f0c86713db257
tree7c0dab73f2fcafe745c8498e51a43f271f15fa32tree | snapshot
parent9ebbfe495ecd2e51bc92ac21ed5817c3b9e223cecommit | diff
nvme-pci: allow use of cmb on v1.4 controllers

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>
drivers/nvme/host/pci.c diff | blob | history
include/linux/nvme.h diff | blob | history
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