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From: benh@kernel.crashing.org (Benjamin Herrenschmidt)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/2] doc/devicetree: Add Aspeed VIC bindings
Date: Tue, 10 May 2016 08:04:40 +1000	[thread overview]
Message-ID: <1462831480.20290.120.camel@kernel.crashing.org> (raw)
In-Reply-To: <20160509152003.GA13842@leverpostej>

On Mon, 2016-05-09 at 16:20 +0100, Mark Rutland wrote:
>?
> Generally we steer clear of this kind of bitmap encoding in DT.
> 
> Is this actually necessary? What does htis gain us?
> 
> Why can we not just register with the full set of possible
> interrupts?

Trying to remember why I did that ... I think it has to do with
supporting multiple SoCs that have different possible sources...

There might also be a case of some sources routed to the internal
coldfire microcontroller or the LPC bus instead of the ARM but I'm not
100% certain.

Cheers,
Ben.

  reply	other threads:[~2016-05-09 22:04 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-05-09 12:33 [PATCH 0/2] irqchip: Support Aspeed IRQ controller Joel Stanley
2016-05-09 12:33 ` [PATCH 1/2] doc/devicetree: Add Aspeed VIC bindings Joel Stanley
2016-05-09 12:50   ` Baruch Siach
2016-05-09 12:55   ` Arnd Bergmann
2016-05-09 15:20   ` Mark Rutland
2016-05-09 22:04     ` Benjamin Herrenschmidt [this message]
2016-05-09 12:33 ` [PATCH 2/2] irqchip: Add irq controller for Aspeed Joel Stanley

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