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(parent: 9f3ebfb) | patch
bnxt_en: Disable/enable Bus master during suspend/resume.
authorMichael Chan <michael.chan@broadcom.com>
Sun, 24 Nov 2019 03:30:39 +0000 (22:30 -0500)
committerJakub Kicinski <jakub.kicinski@netronome.com>
Sun, 24 Nov 2019 22:48:02 +0000 (14:48 -0800)
commitb6dadbf35752b4e1f20b46b62caca1d62928695f
treedc88c00bc0243fa856f4a4040cfb5d1eec2fa625tree | snapshot
parent9f3ebfbdbe840ea0cba671fd991aa3bf1c4fd65ecommit | diff
bnxt_en: Disable/enable Bus master during suspend/resume.

Disable Bus master during suspend to prevent DMAs after the device
goes into D3hot state.  The new 57500 devices may continue to DMA
from context memory after the system goes into D3hot state.  This
may cause some PCIe errors on some system.  Re-enable it during resume.

Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
drivers/net/ethernet/broadcom/bnxt/bnxt.c diff | blob | history
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