linux-kernel - [PATCH v4 0/2] Amazon's Annapurna Labs Fabric Interrupt Controller

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Date:   Mon, 10 Jun 2019 11:34:41 +0300
From:   Talel Shenhar <talel@...zon.com>
To:     <nicolas.ferre@...rochip.com>, <jason@...edaemon.net>,
        <marc.zyngier@....com>, <mark.rutland@....com>,
        <mchehab+samsung@...nel.org>, <robh+dt@...nel.org>,
        <davem@...emloft.net>, <shawn.lin@...k-chips.com>,
        <tglx@...utronix.de>, <devicetree@...r.kernel.org>,
        <gregkh@...uxfoundation.org>, <linux-kernel@...r.kernel.org>
CC:     <dwmw@...zon.co.uk>, <benh@...nel.crashing.org>,
        <jonnyc@...zon.com>, <hhhawa@...zon.com>, <ronenk@...zon.com>,
        <hanochu@...zon.com>, <barakw@...zon.com>,
        Talel Shenhar <talel@...zon.com>
Subject: [PATCH v4 0/2] Amazon's Annapurna Labs Fabric Interrupt Controller

This series introduces support for Amazon's Annapurna Labs Fabric Interrupt
Controller.

The Amazon's Annapurna Labs FIC (Fabric Interrupt Controller) has 32
inputs/sources. This FIC may be cascaded into another FIC or connected
directly to the main CPU Interrupt Controller (e.g. GIC).

Changes since v3:
=================
- tightened the verification for supported trigger types
- updated dt-binding's example to meet the binding description
  (interrupt-cells to 2)
- added description to interrupt-cells to explain each field
- changed pr_err to pr_debug inside al_fic_irq_set_type in order to allow
  the user to enable printouts for verbose information in case of errors

Changes since v2:
=================
- updated dt-bindings to use proper format for entry name
- removed kernel-doc format style from Copyright
- removed unneeded/misplaced selects from Kconfig
- changed used mmio operation to relaxed flavor
- changed error return value from EPERM to EINVAL int case of attempting to
  reconfigure the FIC after it has been configured
- fixed commenting format
- used drivers define instead of subsystem internals
- moved al_fic_hw_init function to caller
- removed al_fic_wire_get_domain from documentation
- removed argument validation from al_fic_wire_init

Changes since v1:
=================
- removing unused exported APIs
- updating cover letter and commit message accordingly



Talel Shenhar (2):
  dt-bindings: interrupt-controller: Amazon's Annapurna Labs FIC
  irqchip: al-fic: Introduce Amazon's Annapurna Labs Fabric Interrupt
    Controller Driver

 .../interrupt-controller/amazon,al-fic.txt         |  29 +++
 MAINTAINERS                                        |   6 +
 drivers/irqchip/Kconfig                            |   8 +
 drivers/irqchip/Makefile                           |   1 +
 drivers/irqchip/irq-al-fic.c                       | 278 +++++++++++++++++++++
 5 files changed, 322 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/interrupt-controller/amazon,al-fic.txt
 create mode 100644 drivers/irqchip/irq-al-fic.c

-- 
2.7.4