Thread (13 messages) flat view 13 messages, 3 authors, 2018-05-30

[PATCH V2] PCI/portdrv: do not disable device on reboot/shutdown

From: Sinan Kaya <hidden>
Date: 2018-05-28 21:25:47
Also in: linux-arm-msm, linux-pci, linux-scsi, lkml, stable

On 5/24/2018 6:37 AM, Don Brace wrote:
quoted
But we really need guidance from an hpsa expert.  I don't know the
filesystem/SCSI/hpsa details.

Bjorn
It's most likely OCSD traffic that will stop when bus mastering is turned off.
So, I'll run some tests on my end before ACKing your patch.
Can you test V3 instead of this?

I don't think adding pci_disable_device() to shutdown() is enough to put
the HW into safe state. I moved clean  up responsibility to remove() instead
of shutdown().

-- 
Sinan Kaya
Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc.
Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.
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