linux-kernel - [PATCH 0/7] hisi_sas: Add runtime PM support for v3 hw

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Date:   Fri, 2 Oct 2020 22:30:31 +0800
From:   John Garry <john.garry@...wei.com>
To:     <jejb@...ux.ibm.com>, <martin.petersen@...cle.com>
CC:     <linux-scsi@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linuxarm@...wei.com>, John Garry <john.garry@...wei.com>
Subject: [PATCH 0/7] hisi_sas: Add runtime PM support for v3 hw

This series adds runtime PM support for v3 hw. Consists of:
- Switch to new PM suspend and resume framework
- Add links to devices to ensure host cannot be suspended while devices
  are not
- Filter out phy events during suspend to avoid deadlock
- Add controller RPM support
- And some more minor misc related changes

I also included a random small fix, only visible when #CPUs < #queues and
MSI affinity module param set.

Note that this series does not conflict with patch "scsi: hisi_sas:
Switch v3 hw to MQ", which is supposed to go through the block tree:

https://lore.kernel.org/linux-scsi/32574da3d8de863ff38347ef6ead9b35@mail.gmail.com/T/#m39c82fc8a3e3a6b20247d0bd0122d2916e620a28

Luo Jiaxing (1):
  scsi: hisi_sas: Use hisi_hba->cq_nvecs for calling calling
    synchronize_irq()

Xiang Chen (6):
  scsi: hisi_sas: Switch to new framework to support suspend and resume
  scsi: hisi_sas: Add controller runtime PM support for v3 hw
  scsi: hisi_sas: Add the check of the definition of method _PS0 and
    _PR0
  scsi: hisi_sas: Add device link between SCSI devices and hisi_hba
  scsi: hisi_sas: Filter out new PHYs up events during suspended
  scsi: hisi_sas: Recover phys state according to the status before
    reset

 drivers/scsi/hisi_sas/Kconfig          |   1 +
 drivers/scsi/hisi_sas/hisi_sas.h       |   2 +
 drivers/scsi/hisi_sas/hisi_sas_main.c  |  10 ++-
 drivers/scsi/hisi_sas/hisi_sas_v3_hw.c | 105 +++++++++++++++++++++++--
 4 files changed, 107 insertions(+), 11 deletions(-)

-- 
2.26.2