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From: Thomas Gleixner <>
To: Stefan Agner <>
Subject: Re: [PATCH RESEND v3 0/3] irqchip: vf610-mscm: add support for MSCM interrupt router
Date: Mon, 26 Jan 2015 11:16:45 +0100 (CET)	[thread overview]
Message-ID: <alpine.DEB.2.11.1501261115300.5526@nanos> (raw)
In-Reply-To: <>

On Thu, 15 Jan 2015, Stefan Agner wrote:

> Splitted out version of the MSCM driver. My first driver based on the
> routeable domain support and was part of the Vybrid Cortex-M4 support
> patchset.
> So far the MSCM interrupt router was initialized by the boot loader
> and configured all interrupts for the Cortex-A5 CPU. There are two
> use cases where a proper driver is necessary:
> - To run Linux on the Cortex-M4. When the kernel is running on the
>   non-preconfigured CPU, the interrupt router need to be configured
>   properly.
> - To support deeper sleep modes: LPSTOP clears the interrupt router
>   configuration, hence a driver needs to restore the configuration
>   on resume.
> I created a seperate patchset for that driver which hopefully makes
> it easier to get it into mergeable state.
> Since I identified some registers likely to be used by other drivers
> (e.g. CPU ID or the CPU Generate Interrupt Register) I also added
> the "syscon" compatible string to make the registers available for
> other drivers in case needed.
> This resend version of this patchset is rebased on v3.19-rc4.

Has the discussion with Marc on the original V3 set been resolved?

What about the DT bindings? I'm relucant to pick that up w/o acks from
the DT folks.



  parent reply	other threads:[~2015-01-26 10:17 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-15  8:04 Stefan Agner
2015-01-15  8:04 ` [PATCH RESEND v3 1/3] " Stefan Agner
2015-01-15  8:04 ` [PATCH RESEND v3 2/3] irqchip: vf610-mscm: dt-bindings: add MSCM bindings Stefan Agner
2015-01-26 13:36   ` Mark Rutland
2015-01-26 14:18     ` Stefan Agner
2015-01-28 10:31       ` Stefan Agner
2015-01-15  8:04 ` [PATCH RESEND v3 3/3] ARM: dts: vf610: add Miscellaneous System Control Module (MSCM) Stefan Agner
2015-01-26 10:16 ` Thomas Gleixner [this message]
2015-01-26 11:55   ` [PATCH RESEND v3 0/3] irqchip: vf610-mscm: add support for MSCM interrupt router Stefan Agner
2015-01-26 12:51     ` Marc Zyngier
2015-01-26 13:40     ` Mark Rutland

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