linux-kernel - [PATCH v6 0/3] ata: ahci_brcm: Fix use of BCM7216 reset controller

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Date:   Fri, 30 Apr 2021 11:21:53 -0400
From:   Jim Quinlan <jim2101024@...il.com>
To:     Bjorn Helgaas <helgaas@...nel.org>,
        Amjad Ouled-Ameur <aouledameur@...libre.com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        linux-pci@...r.kernel.org,
        Nicolas Saenz Julienne <nsaenzjulienne@...e.de>,
        bcm-kernel-feedback-list@...adcom.com, james.quinlan@...adcom.com,
        jim2101024@...il.com
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        Hans de Goede <hdegoede@...hat.com>,
        Jens Axboe <axboe@...nel.dk>,
        Jim Quinlan <jquinlan@...adcom.com>,
        linux-arm-kernel@...ts.infradead.org (moderated list:BROADCOM
        BCM2711/BCM2835 ARM ARCHITECTURE),
        linux-ide@...r.kernel.org (open list:LIBATA SUBSYSTEM (Serial and
        Parallel ATA drivers)), linux-kernel@...r.kernel.org (open list),
        linux-rpi-kernel@...ts.infradead.org (moderated list:BROADCOM
        BCM2711/BCM2835 ARM ARCHITECTURE),
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Rob Herring <robh@...nel.org>
Subject: [PATCH v6 0/3] ata: ahci_brcm: Fix use of BCM7216 reset controller

v6 -- Added new commit which adds a missing function to the reset API.
      This fixes 557acb3d2cd9 and should be destined for linux stable.

v5 -- Improved (I hope) commit description (Bjorn).
   -- Rnamed error labels (Krzyszt).
   -- Fixed typos.

v4 -- does not rely on a pending commit, unlike v3.

v3 -- discard commit from v2; instead rely on the new function
      reset_control_rearm provided in a recent commit [1] applied
      to reset/next.
   -- New commit to correct pcie-brcmstb.c usage of a reset controller
      to use reset/rearm verses deassert/assert.

v2 -- refactor rescal-reset driver to implement assert/deassert rather than
      reset because the reset call only fires once per lifetime and we need
      to reset after every resume from S2 or S3.
   -- Split the use of "ahci" and "rescal" controllers in separate fields
      to keep things simple.

v1 -- original

Jim Quinlan (3):
  reset: add missing empty function reset_control_rearm()
  ata: ahci_brcm: Fix use of BCM7216 reset controller
  PCI: brcmstb: Use reset/rearm instead of deassert/assert

 drivers/ata/ahci_brcm.c               | 46 +++++++++++++--------------
 drivers/pci/controller/pcie-brcmstb.c | 19 +++++++----
 include/linux/reset.h                 |  5 +++
 3 files changed, 41 insertions(+), 29 deletions(-)

-- 
2.17.1