[PATCH V3 0/2] irqchip: qcom: Add IRQ combiner driver

agustinv at codeaurora.org agustinv at codeaurora.org
Wed May 25 07:37:36 PDT 2016


Adding linux-arm-kernel and linux-acpi

On 2016-05-13 12:16, Agustin Vega-Frias wrote:
> Add support for IRQ combiners in the Top-level Control and Status
> Registers (TCSR) hardware block in Qualcomm Technologies chips.
> 
> The first patch adds support for ResourceSource/IRQ domain mapping
> when using Extended IRQ Resources with a specific ResourceSource.
> The core ACPI resource management code has been changed to lookup
> the IRQ domain when an IRQ resource indicates a ResourceSource,
> and register the IRQ on that domain, instead of a GSI.
> 
> The second patch takes advantage of the new capabilities to implement
> the driver for the IRQ combiners.
> 
> Changes V1 -> V2:
> * Remove use of GPIO library for the combiner
> * Refactor to use fwnode/ResourceSource to IRQ domain mapping
>   introduced in ACPI core
> 
> Changes V2 -> V3:
> * Removed parsing of _PRS to find IRQs
> * Removed acpi_irq_domain_create and acpi_irq_domain_remove
> 
> Agustin Vega-Frias (2):
>   ACPI: Add support for ResourceSource/IRQ domain mapping
>   irqchip: qcom: Add IRQ combiner driver
> 
>  drivers/acpi/Makefile               |   1 +
>  drivers/acpi/irqdomain.c            | 108 +++++++++++
>  drivers/acpi/resource.c             |  23 ++-
>  drivers/irqchip/Kconfig             |   8 +
>  drivers/irqchip/Makefile            |   1 +
>  drivers/irqchip/qcom-irq-combiner.c | 344 
> ++++++++++++++++++++++++++++++++++++
>  include/linux/acpi.h                |   6 +
>  7 files changed, 483 insertions(+), 8 deletions(-)
>  create mode 100644 drivers/acpi/irqdomain.c
>  create mode 100644 drivers/irqchip/qcom-irq-combiner.c
> 
> --
> Qualcomm Innovation Center, Inc.
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora 
> Forum,
> a Linux Foundation Collaborative Project.

-- 
Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora 
Forum,
a Linux Foundation Collaborative Project.



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