nvme-pci: disable hmb on idle suspend

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An idle suspend may or may not disable host memory access from devices
placed in low power mode. Either way, it should always be safe to
disable the host memory buffer prior to entering the low power mode, and
this should also always be faster than a full device shutdown.

Signed-off-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>

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Keith Busch 2021-07-27 09:40:44 -07:00 • committed by Christoph Hellwig

parent ad0e9a80ba

commit e5ad96f388

1 changed files with 17 additions and 7 deletions

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drivers/nvme/host/pci.c

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