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Message-Id: <20190212103835.7768-1-brgl@bgdev.pl>
Date: Tue, 12 Feb 2019 11:37:58 +0100
From: Bartosz Golaszewski <brgl@...ev.pl>
To: Sekhar Nori <nsekhar@...com>, Kevin Hilman <khilman@...nel.org>,
Thomas Gleixner <tglx@...utronix.de>,
Jason Cooper <jason@...edaemon.net>,
Marc Zyngier <marc.zyngier@....com>,
David Lechner <david@...hnology.com>
Cc: linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
Bartosz Golaszewski <bgolaszewski@...libre.com>
Subject: [PATCH v3 00/37] ARM: davinci: modernize the irq support
From: Bartosz Golaszewski <bgolaszewski@...libre.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 five parts. The first patch
preemptively fixes a problem in an input driver that would have caused
problems later. Patches (2-9) aim at introducing support for SPARSE_IRQ.
They contain a couple changes required for that functionality and do some
cleanup at the end.
Third part (10-22) makes the aintc driver suitable for drivers/irqchip
and eventually moves it over there.
Part 4 (23-36) 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
v2 -> v3:
- added a patch preventing a build problem in davinci_keyscan driver
- converted another usage of 'int rv' to 'int ret'
- don't use __raw_readl/writel() in new patches, but leave patches converting
previous uses
- drop a stray newline in usb.c when removing irqs.h
- when unifying the error handling: use specific messages instead of WARN_ON()
- do the above for aintc as well
- add patches adding calls to request_mem_region() to both drivers
Bartosz Golaszewski (37):
input: davinci_keyscan: remove unnecessary includes
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: unify error handling
ARM: davinci: aintc: request memory region before remapping it
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: request the memory region before remapping it
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 | 13 +-
drivers/input/keyboard/davinci_keyscan.c | 4 -
drivers/irqchip/Kconfig | 10 +
drivers/irqchip/Makefile | 2 +
drivers/irqchip/irq-davinci-aintc.c | 163 +++++++++++
drivers/irqchip/irq-davinci-cp-intc.c | 260 ++++++++++++++++++
include/linux/irqchip/irq-davinci-aintc.h | 27 ++
include/linux/irqchip/irq-davinci-cp-intc.h | 25 ++
41 files changed, 912 insertions(+), 960 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
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