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(parent: 5228b32) | patch
nvme: honor RTD3 Entry Latency for shutdowns
authorMartin K. Petersen <martin.petersen@oracle.com>
Fri, 25 Aug 2017 23:14:50 +0000 (19:14 -0400)
committerSagi Grimberg <sagi@grimberg.me>
Mon, 28 Aug 2017 20:00:44 +0000 (23:00 +0300)
commit07fbd32a6b215d8b2fc01ccc89622207b9b782fd
tree2c8a3f2c6cc6a10735a437d991f20cf804bda704tree | snapshot
parent5228b3280b9bb8fa6aef59f891cca64a028e9b36commit | diff
nvme: honor RTD3 Entry Latency for shutdowns

If an NVMe controller reports RTD3 Entry Latency larger than
shutdown_timeout, up to a maximum of 60 seconds, use that value to set
the shutdown timer. Otherwise fall back to the module parameter which
defaults to 5 seconds.

Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
[hch: removed do_div, made transition time local scope]
Signed-off-by: Christoph Hellwig <hch@lst.de>
drivers/nvme/host/core.c diff | blob | history
drivers/nvme/host/nvme.h diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git