linux-kernel - [PATCH v9 0/3] PCI: uniphier: Add PME/AER support for UniPhier PCIe host controller

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Date:   Tue, 19 Jan 2021 07:09:42 +0900
From:   Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
To:     Bjorn Helgaas <bhelgaas@...gle.com>, Rob Herring <robh@...nel.org>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Jingoo Han <jingoohan1@...il.com>,
        Gustavo Pimentel <gustavo.pimentel@...opsys.com>,
        Marc Zyngier <maz@...nel.org>
Cc:     linux-pci@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org,
        Jassi Brar <jaswinder.singh@...aro.org>,
        Masami Hiramatsu <masami.hiramatsu@...aro.org>,
        Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
Subject: [PATCH v9 0/3] PCI: uniphier: Add PME/AER support for UniPhier PCIe host controller

The original subject up to v6 is
"PCI: uniphier: Add features for UniPhier PCIe host controller".

This adds a new function called by MSI handler in DesignWare PCIe framework,
that invokes PME and AER funcions to detect the factor from SoC-dependent
registers.

The iATU patches is split from this series as
"PCI: dwc: Move iATU register mapping to common framework".

Changes since v8:
- Add uniphier_pcie_host_init_complete() that finds PME/AER vIRQ number
  after calling dw_pcie_host_init()
- Add conditions to depend on CONFIG_PCIE_PME and CONFIG_PCIEAER instead
  of CONFIG_PCIEPORTBUS
- Add Acked-by: line to portdrv patch

Changes since v7:
- Add Reviewed-by: line to 1st and 3rd patches

Changes since v6:
- Separate patches for iATU and phy error from this series
- Add Reviewed-by: line to dwc patch

Changes since v5:
- Add pcie_port_service_get_irq() function to pcie/portdrv
- Call pcie_port_service_get_irq() to get vIRQ interrupt number for PME/AER
- Rebase to the latest linux-next branch,
  and remove devm_platform_ioremap_resource_byname() replacement patch

Changes since v4:
- Add Acked-by: line to dwc patch

Changes since v3:
- Move msi_host_isr() call into dw_handle_msi_irq()
- Move uniphier_pcie_misc_isr() call into the guard of chained_irq
- Use a bool argument is_msi instead of pci_msi_enabled()
- Consolidate handler calls for the same interrupt
- Fix typos in commit messages

Changes since v2:
- Avoid printing phy error message in case of EPROBE_DEFER
- Fix iATU register mapping method
- dt-bindings: Add Acked-by: line
- Fix typos in commit messages
- Use devm_platform_ioremap_resource_byname()

Changes since v1:
- Add check if struct resource is NULL
- Fix warning in the type of dev_err() argument

Kunihiko Hayashi (3):
  PCI: portdrv: Add pcie_port_service_get_irq() function
  PCI: dwc: Add msi_host_isr() callback
  PCI: uniphier: Add misc interrupt handler to invoke PME and AER

 drivers/pci/controller/dwc/pcie-designware-host.c |   3 +
 drivers/pci/controller/dwc/pcie-designware.h      |   1 +
 drivers/pci/controller/dwc/pcie-uniphier.c        | 101 +++++++++++++++++++---
 drivers/pci/pcie/portdrv.h                        |   1 +
 drivers/pci/pcie/portdrv_core.c                   |  16 ++++
 5 files changed, 110 insertions(+), 12 deletions(-)

-- 
2.7.4