[PATCH v2 00/33] ARM: davinci: modernize the irq support

From: Bartosz Golaszewski <brgl@bgdev.pl>
To: Sekhar Nori <nsekhar@ti.com>, Kevin Hilman <khilman@kernel.org>,
	Daniel Lezcano <daniel.lezcano@linaro.org>,
	Rob Herring <robh+dt@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Thomas Gleixner --to=David Lechner <tglx@linutronix.dedavid>,
	lechnology.com
Cc: linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
	Bartosz Golaszewski <bgolaszewski@baylibre.com>
Subject: [PATCH v2 00/33] ARM: davinci: modernize the irq support
Date: Fri,  8 Feb 2019 18:31:21 +0100	[thread overview]
Message-ID: <20190208173154.4665-1-brgl@bgdev.pl> (raw)

From: Bartosz Golaszewski <bgolaszewski@baylibre.com>

This series ports the davinci platform to using SPARSE_IRQ, cleans up
the irqchip drivers and moves them over to drivers/irqchip.

The series can be logically split into four parts. The first (1-8) aims
at introducing support for SPARSE_IRQ. It contains a couple changes
required for that functionality and the final patch actually selecting
it.

Second part (9-19) makes the aintc driver suitable for drivers/irqchip
and eventually moves it over there.

Part 3 (20-32) does the same for the cp-intc driver.

Last patch removes unnecessary code.

The series has been tested on da850-lcdk (for cp-intc) and
dm365-evm (for aintc).

v1 -> v2:
- made commit messages readable without reading the subject line first
- collected David's Reviewed-by tags for patches that haven been
  significantly modified since v1
- added handling of spurious interrupts in cp-intc
- added comments explaining the irq handlers (C versions translated from
  assembly)
- dropped the patches removing the hardware interrupt numbers from
  the priority tables
- don't remove irqs.h, make it a local header instead
- rearranged the patches in order not to remove the code added
  by earlier ones
- renamed d*_init_irqs to d*_init_irq to fit the name of the relevant
  callback in machine info struct
- fixed license identifiers where needed
- added comments to config structures for irqchip drivers
- fixed all off-by-one errors in resource sizes
- clarified the comments on the weird handling of IRQ_TINT1_TINT34 as level
  irq and added missing calls to irq_set_handler() to dm3* SoCs
- fixed one function that was missing a correct prefix in cp_intc
- return value variables should be called ret not rv
- added a patch converting calls to _raw_readl/writel() to their _relaxed
  counterparts
- fixed the commit message prefix in patches that belong to the irqchip
  subsystem
- other minor tweaks

Bartosz Golaszewski (33):
  ARM: davinci: remove intc_host_map from davinci_soc_info struct
  ARM: davinci: aintc: use irq domain
  ARM: davinci: select GENERIC_IRQ_MULTI_HANDLER
  ARM: davinci: remove davinci_intc_type
  ARM: davinci: pull davinci_intc_base into the respective intc drivers
  ARM: davinci: wrap HW interrupt numbers with a macro
  ARM: davinci: select SPARSE_IRQ
  ARM: davinci: make irqs.h a local header
  ARM: davinci: aintc: drop GPL license boilerplate
  ARM: davinci: aintc: wrap davinci_irq_init() with a helper
  ARM: davinci: aintc: use a common prefix for symbols in the driver
  ARM: davinci: aintc: drop the 00 prefix from register offsets
  ARM: davinci: aintc: use readl/writel_relaxed()
  irqchip: davinci-aintc: add a new config structure
  ARM: davinci: aintc: use the new irqchip config structure in dm* SoCs
  ARM: davinci: aintc: use the new config structure
  ARM: davinci: aintc: move timer-specific irq_set_handler() out of
    irq.c
  ARM: davinci: aintc: remove unnecessary includes
  irqchip: davinci-aintc: move the driver to drivers/irqchip
  ARM: davinci: cp-intc: remove cp_intc.h
  ARM: davinci: cp-intc: add a wrapper around cp_intc_init()
  irqchip: davinci-cp-intc: add a new config structure
  ARM: davinci: cp-intc: add the new config structures for da8xx SoCs
  ARM: davinci: cp-intc: use a common prefix for all symbols
  ARM: davinci: cp-intc: convert all hex numbers to lowercase
  ARM: davinci: cp-intc: use the new-style config structure
  ARM: davinci: cp-intc: improve coding style
  ARM: davinci: cp-intc: unify error handling
  ARM: davinci: cp-intc: use readl/writel_relaxed()
  ARM: davinci: cp-intc: drop GPL license boilerplate
  ARM: davinci: cp-intc: remove redundant comments
  irqchip: davinci-cp-intc: move the driver to drivers/irqchip
  ARM: davinci: remove intc related fields from davinci_soc_info

 arch/arm/Kconfig                              |   2 +
 arch/arm/mach-davinci/Kconfig                 |  19 +-
 arch/arm/mach-davinci/Makefile                |   3 -
 arch/arm/mach-davinci/asp.h                   |   8 +-
 arch/arm/mach-davinci/board-da830-evm.c       |   5 +-
 arch/arm/mach-davinci/board-da850-evm.c       |   5 +-
 arch/arm/mach-davinci/board-dm355-evm.c       |   2 +-
 arch/arm/mach-davinci/board-dm355-leopard.c   |   2 +-
 arch/arm/mach-davinci/board-dm365-evm.c       |   2 +-
 arch/arm/mach-davinci/board-dm644x-evm.c      |   8 +-
 arch/arm/mach-davinci/board-dm646x-evm.c      |   7 +-
 arch/arm/mach-davinci/board-mityomapl138.c    |   3 +-
 arch/arm/mach-davinci/board-neuros-osd2.c     |   2 +-
 arch/arm/mach-davinci/board-omapl138-hawk.c   |   3 +-
 arch/arm/mach-davinci/board-sffsdr.c          |   2 +-
 arch/arm/mach-davinci/common.c                |   3 -
 arch/arm/mach-davinci/cp_intc.c               | 215 ----------------
 arch/arm/mach-davinci/cp_intc.h               |  57 -----
 arch/arm/mach-davinci/da830.c                 | 128 ++--------
 arch/arm/mach-davinci/da850.c                 | 154 +++---------
 arch/arm/mach-davinci/davinci.h               |   4 +
 arch/arm/mach-davinci/devices-da8xx.c         | 147 +++++------
 arch/arm/mach-davinci/devices.c               |  40 +--
 arch/arm/mach-davinci/dm355.c                 |  86 ++++---
 arch/arm/mach-davinci/dm365.c                 | 110 ++++----
 arch/arm/mach-davinci/dm644x.c                |  76 +++---
 arch/arm/mach-davinci/dm646x.c                |  90 ++++---
 arch/arm/mach-davinci/include/mach/common.h   |  14 +-
 arch/arm/mach-davinci/include/mach/da8xx.h    |   2 +
 .../mach-davinci/include/mach/entry-macro.S   |  39 ---
 arch/arm/mach-davinci/irq.c                   | 117 ---------
 .../mach-davinci/{include/mach => }/irqs.h    |   4 -
 arch/arm/mach-davinci/usb-da8xx.c             |   9 +-
 arch/arm/mach-davinci/usb.c                   |  14 +-
 drivers/irqchip/Kconfig                       |  10 +
 drivers/irqchip/Makefile                      |   2 +
 drivers/irqchip/irq-davinci-aintc.c           | 144 +++++++++++
 drivers/irqchip/irq-davinci-cp-intc.c         | 238 ++++++++++++++++++
 include/linux/irqchip/irq-davinci-aintc.h     |  27 ++
 include/linux/irqchip/irq-davinci-cp-intc.h   |  25 ++
 40 files changed, 872 insertions(+), 956 deletions(-)
 delete mode 100644 arch/arm/mach-davinci/cp_intc.c
 delete mode 100644 arch/arm/mach-davinci/cp_intc.h
 delete mode 100644 arch/arm/mach-davinci/include/mach/entry-macro.S
 delete mode 100644 arch/arm/mach-davinci/irq.c
 rename arch/arm/mach-davinci/{include/mach => }/irqs.h (98%)
 create mode 100644 drivers/irqchip/irq-davinci-aintc.c
 create mode 100644 drivers/irqchip/irq-davinci-cp-intc.c
 create mode 100644 include/linux/irqchip/irq-davinci-aintc.h
 create mode 100644 include/linux/irqchip/irq-davinci-cp-intc.h

-- 
2.20.1