Re: [PATCH 02/17] irqchip: Add PLX Technology RPS IRQ Controller

From	Marc Zyngier <marc.zyngier@arm.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH 02/17] irqchip: Add PLX Technology RPS IRQ Controller
Date	2016-03-03 18:20 +0100
Message-ID	<r8F4T-1WU-19@gated-at.bofh.it> (permalink)
References	<r8zVw-6xi-13@gated-at.bofh.it> <r8A5e-6Bm-55@gated-at.bofh.it> <r8Dw7-Di-23@gated-at.bofh.it> <r8ELx-1ze-45@gated-at.bofh.it>
Organization	ARM Ltd

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On 03/03/16 16:56, Neil Armstrong wrote:
> On 03/03/2016 04:32 PM, Ma Haijun wrote:
>> Hi Neil,
>>
>> Glad to see the mainline efforts of this SoC family.
>>
>> Previously, I did not really understand what this "RPS" stood for.
>> After some digging(1)., now I believe it means ARM's Reference Peripheral
>> Specification
>> though the spec itself seems not publicly available, the peripheral specs
>> are accessible.
>> The interrupt controller is an AMBA Interrupt Controller(2) and the timers
>> are
>> AMBA Timer(3). Besides, ARM Dual-Timer Module (SP804)(4) looks like an
>> extended version
>> of the AMBA timer
>>
>> 1)
>> http://infocenter.arm.com/help/topic/com.arm.doc.dai0030a/DAI0030A_sw_int_ap
>> psnote.pdf
>> 2) http://infocenter.arm.com/help/topic/com.arm.doc.ddi0047d/DDI0047.pdf
>> 3) http://infocenter.arm.com/help/topic/com.arm.doc.ddi0049c/AMBA_Timer.pdf
>> 4) http://infocenter.arm.com/help/topic/com.arm.doc.ddi0271d/DDI0271.pdf
>>
>> Regards,
>> Haijun
> 
> Hi Haijun,
> 
> Thanks for the tips !
> 
> Indeed the timer looks like the timer-sp804 actually upstream, I'll try this driver before posting a v2.
> 
> Concerning the IRQ controller, I did not find any similar drivers.
> 
> Marc, Arnd, should I create a specific "arm RPS irq controller" instead ?

Why not - I wonder which HW this controller got slapped on... It doesn't
even have a cryptic name! ;-)

Thanks,

	M.
-- 
Jazz is not dead. It just smells funny...

Thread

[PATCH 00/17] Add Initial support for PLX Technology OX810SE Neil Armstrong <narmstrong@baylibre.com> - 2016-03-03 13:00 +0100
  [PATCH 06/17] reset: Add PLX Technology Reset Controller driver Neil Armstrong <narmstrong@baylibre.com> - 2016-03-03 13:00 +0100
    Re: [PATCH 06/17] reset: Add PLX Technology Reset Controller driver Philipp Zabel <p.zabel@pengutronix.de> - 2016-03-03 15:20 +0100
      Re: [PATCH 06/17] reset: Add PLX Technology Reset Controller driver Neil Armstrong <narmstrong@baylibre.com> - 2016-03-03 15:40 +0100
        Re: [PATCH 06/17] reset: Add PLX Technology Reset Controller driver Philipp Zabel <p.zabel@pengutronix.de> - 2016-03-03 16:10 +0100
  [PATCH 07/17] dt-bindings: Add PLX Technology Reset Controller bindings Neil Armstrong <narmstrong@baylibre.com> - 2016-03-03 13:00 +0100
    Re: [PATCH 07/17] dt-bindings: Add PLX Technology Reset Controller  bindings Philipp Zabel <p.zabel@pengutronix.de> - 2016-03-03 15:30 +0100
      Re: [PATCH 07/17] dt-bindings: Add PLX Technology Reset Controller  bindings Neil Armstrong <narmstrong@baylibre.com> - 2016-03-03 15:30 +0100
        Re: [PATCH 07/17] dt-bindings: Add PLX Technology Reset Controller  bindings Philipp Zabel <p.zabel@pengutronix.de> - 2016-03-03 15:40 +0100
  [PATCH 05/17] dt-bindings: Add PLX Technology RPS Timer bindings Neil Armstrong <narmstrong@baylibre.com> - 2016-03-03 13:00 +0100
  [PATCH 02/17] irqchip: Add PLX Technology RPS IRQ Controller Neil Armstrong <narmstrong@baylibre.com> - 2016-03-03 13:00 +0100
    Re: [PATCH 02/17] irqchip: Add PLX Technology RPS IRQ Controller Arnd Bergmann <arnd@arndb.de> - 2016-03-03 14:10 +0100
      Re: [PATCH 02/17] irqchip: Add PLX Technology RPS IRQ Controller Russell King - ARM Linux <linux@arm.linux.org.uk> - 2016-03-03 14:40 +0100
        Re: [PATCH 02/17] irqchip: Add PLX Technology RPS IRQ Controller Arnd Bergmann <arnd@arndb.de> - 2016-03-03 18:40 +0100
    Re: [PATCH 02/17] irqchip: Add PLX Technology RPS IRQ Controller Marc Zyngier <marc.zyngier@arm.com> - 2016-03-03 14:10 +0100
    RE: [PATCH 02/17] irqchip: Add PLX Technology RPS IRQ Controller "Ma Haijun" <mahaijuns@gmail.com> - 2016-03-03 16:40 +0100
      Re: [PATCH 02/17] irqchip: Add PLX Technology RPS IRQ Controller Neil Armstrong <narmstrong@baylibre.com> - 2016-03-03 18:00 +0100
        Re: [PATCH 02/17] irqchip: Add PLX Technology RPS IRQ Controller Marc Zyngier <marc.zyngier@arm.com> - 2016-03-03 18:20 +0100
  [PATCH 09/17] dt-bindings: Add PLX Technology OXNAS Standard Clocks bindings Neil Armstrong <narmstrong@baylibre.com> - 2016-03-03 13:00 +0100
  Re: [PATCH 00/17] Add Initial support for PLX Technology OX810SE Arnd Bergmann <arnd@arndb.de> - 2016-03-03 13:30 +0100
    Re: [PATCH 00/17] Add Initial support for PLX Technology OX810SE Neil Armstrong <narmstrong@baylibre.com> - 2016-03-03 13:40 +0100

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