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From: Jim Quinlan <jim2101024@gmail.com>
To: linux-pci@vger.kernel.org,
	Nicolas Saenz Julienne <nsaenz@kernel.org>,
	Rob Herring <robh@kernel.org>, Mark Brown <broonie@kernel.org>,
	bcm-kernel-feedback-list@broadcom.com, jim2101024@gmail.com,
	james.quinlan@broadcom.com
Cc: devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND
	FLATTENED DEVICE TREE BINDINGS),
	"Krzysztof Wilczyński" <kw@linux.com>,
	linux-arm-kernel@lists.infradead.org (moderated list:BROADCOM
	BCM2711/BCM2835 ARM ARCHITECTURE),
	linux-kernel@vger.kernel.org (open list),
	linux-rpi-kernel@lists.infradead.org (moderated list:BROADCOM
	BCM2711/BCM2835 ARM ARCHITECTURE),
	"Saenz Julienne" <nsaenzjulienne@suse.de>
Subject: [PATCH v6 0/9] PCI: brcmstb: have host-bridge turn on sub-device power
Date: Fri, 29 Oct 2021 16:03:08 -0400	[thread overview]
Message-ID: <20211029200319.23475-1-jim2101024@gmail.com> (raw)

v6
     -- Dropped the idea of a placeholder regulator
        property (brcm-ep-a-supply). (MarkB)
     -- device_initialize() now called once.  Two
        commits were added for this.  (GKH)
     -- In two cases, separated a single function 
        into two or more functions (MarkB)
     -- "(void)foo();" => "foo()".  Note that although
        foo() returns an int, in this instance it is being
	invoked within a function returning void, and foo()
	already executes a dev_err() on error. (MarkB)
     -- Added a commit to correct PCIe interrupts in YAML.
     -- Removed "device_type = "pci";" for the EP node
        in the YAML example.
     -- Updated the URL related to the voltage regulator
        names on GitHub.  Note that I added vpciev3v3aux.

v5 [NOTE: It has been a while since v4.  Sorry]
     -- See "PCI: allow for callback to prepare nascent subdev"
        commit message for the cornerstone of this patchset
        and the reasons behind it.  This is a new commit.
     -- The RC driver now looks into its DT children and
        turns on regulators for a sub-device, and this occurs
	prior to PCIe link as it must.
     -- Dropped commits not related to the focus of this patchset.

v4 [NOTE: I'm not sure this fixes RobH and MarkB constraints but I'd
          like to use this pullreq as a basis for future discussion.]
   [Commit: Add bindings for ...]
     -- Fix syntax error in YAML bindings example (RobH)
     -- {vpcie12v,vpcie3v3}-supply props are back in root complex DT node
        (I believe RobH said this was okay)
   [Commit: Add control of ..]
     -- Do not do global search for regulator; now we look specifically
        for the property {vpcie12v,vpcie3v3}-supply in the root complex
	DT node and then call devm_regulator_bulk_get() (MarkB)
     -- Use devm_regulator_bulk_get() (Bjorn)
     -- s/EP/slot0 device/ (Bjorn)
     -- Spelling, capitalization (Bjorn)
     -- Have brcm_phy_stop() return a void (Bjorn)
   [Commit: Do not turn off ...]
     -- Capitalization (Bjorn)
   [Commit: Check return value ...]
     -- Commit message content (Bjorn)
     -- Move 6/6 hunk to 2/6 where it belongs (Bjorn)
     -- Move the rest of 6/6 before all other commits (Bjorn)

v3 -- Driver now searches for EP DT subnode for any regulators to turn on.
      If present, these regulators have the property names
      "vpcie12v-supply" and "vpcie3v3-supply".  The existence of these
      regulators in the EP subnode are currently pending as a pullreq
      in pci-bus.yaml at
      https://github.com/devicetree-org/dt-schema/pull/54
      (MarkB, RobH).
   -- Check return of brcm_set_regulators() (Florian)
   -- Specify one regulator string per line for easier update (Florian)
   -- Author/Committer/Signoff email changed from that of V2 from
      'james.quinlan@broadcom.com' to 'jim2101024@gmail.com'.

v2 -- Use regulator bulk API rather than multiple calls (MarkB).

v1 -- Bindings are added for fixed regulators that may power the EP device.
   -- The brcmstb RC driver is modified to control these regulators
      during probe, suspend, and resume.
   -- 7216 type SOCs have additional error reporting HW and a
      panic handler is added to dump its info.
   -- A missing return value check is added.

Jim Quinlan (9):
  dt-bindings: PCI: correct brcmstb interrupts, interrupt-map.
  dt-bindings: PCI: Add bindings for Brcmstb EP voltage regulators
  PCI: move pci_device_add() call
  PCI: separate device_initialize() from pci_device_add()
  PCI: allow for callback to prepare nascent subdev
  PCI: brcmstb: split brcm_pcie_setup() into two funcs
  PCI: brcmstb: Add control of subdevice voltage regulators
  PCI: brcmstb: Do not turn off regulators if EP can wake up
  PCI: brcmstb: change brcm_phy_stop() to return void

 .../bindings/pci/brcm,stb-pcie.yaml           |  35 ++-
 drivers/pci/controller/pcie-brcmstb.c         | 243 ++++++++++++++++--
 drivers/pci/iov.c                             |   1 +
 drivers/pci/probe.c                           |  61 +++--
 include/linux/pci.h                           |   4 +
 5 files changed, 308 insertions(+), 36 deletions(-)

-- 
2.17.1


             reply	other threads:[~2021-10-29 20:03 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-29 20:03 Jim Quinlan [this message]
2021-10-29 20:03 ` [PATCH v6 1/9] dt-bindings: PCI: correct brcmstb interrupts, interrupt-map Jim Quinlan
2021-10-29 21:06   ` Florian Fainelli
2021-11-02 14:27   ` Rob Herring
2021-10-29 20:03 ` [PATCH v6 2/9] dt-bindings: PCI: Add bindings for Brcmstb EP voltage regulators Jim Quinlan
2021-11-02 15:18   ` Rob Herring
2021-10-29 20:03 ` [PATCH v6 3/9] PCI: move pci_device_add() call Jim Quinlan
2021-10-29 20:03 ` [PATCH v6 4/9] PCI: separate device_initialize() from pci_device_add() Jim Quinlan
2021-10-29 20:03 ` [PATCH v6 5/9] PCI: allow for callback to prepare nascent subdev Jim Quinlan
2021-10-29 20:03 ` [PATCH v6 6/9] PCI: brcmstb: split brcm_pcie_setup() into two funcs Jim Quinlan
2021-10-29 20:03 ` [PATCH v6 7/9] PCI: brcmstb: Add control of subdevice voltage regulators Jim Quinlan
2021-10-31 19:49   ` kernel test robot
2021-11-01 15:24   ` Mark Brown
2021-11-02 16:00   ` Rob Herring
2021-11-02 22:36     ` Jim Quinlan
2021-11-04 14:42       ` Rob Herring
2021-10-29 20:03 ` [PATCH v6 8/9] PCI: brcmstb: Do not turn off regulators if EP can wake up Jim Quinlan
2021-11-01 15:26   ` Mark Brown
2021-10-29 20:03 ` [PATCH v6 9/9] PCI: brcmstb: change brcm_phy_stop() to return void Jim Quinlan

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