From: Marc Zyngier <maz@kernel.org>
To: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Cc: Hector Martin <marcan@marcan.st>,
Thomas Gleixner <tglx@linutronix.de>,
Rob Herring <robh+dt@kernel.org>, Sven Peter <sven@svenpeter.dev>,
Mark Kettenis <mark.kettenis@xs4all.nl>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, devicetree@vger.kernel.org
Subject: Re: [PATCH v3 0/7] irqchip/apple-aic: Add support for AICv2
Date: Wed, 09 Mar 2022 20:37:14 +0000 [thread overview]
Message-ID: <995ddff0ab7b4dae93a1418eb9a0f4c1@kernel.org> (raw)
In-Reply-To: <YikOZNMmkkDGVhQc@sunset.rosenzweig.io>
On 2022-03-09 20:30, Alyssa Rosenzweig wrote:
>> This also adds support for multi-die AIC2 controllers. While no
>> multi-die products exist yet, the AIC2 in t600x is built to support
>> up to 2 dies, and it's pretty clear how it works, so let's implement
>> it. If we're lucky, when multi-die products roll around, this will
>> let us support them with only DT changes. In order to support the
>> extra die dimension, this introduces a 4-argument IRQ phandle form
>> (3-argument is always supported and just implies die 0).
>
> Given you have a multidie device in the mail, it's probably best to
> defer merging this series until the multidie code paths are confirmed
> working there?
This code is used on Pro and Max systems, so it has some value as is.
Not to mention that it makes things slightly faster on the original M1
too.
M.
--
Jazz is not dead. It just smells funny...
prev parent reply other threads:[~2022-03-09 20:37 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-09 19:21 [PATCH v3 0/7] irqchip/apple-aic: Add support for AICv2 Hector Martin
2022-03-09 19:21 ` [PATCH v3 1/7] PCI: apple: Change MSI handling to handle 4-cell AIC fwspec form Hector Martin
2022-03-09 19:21 ` [PATCH v3 2/7] dt-bindings: interrupt-controller: apple,aic2: New binding for AICv2 Hector Martin
2022-03-10 15:43 ` Rob Herring
2022-03-09 19:21 ` [PATCH v3 3/7] irqchip/apple-aic: Add Fast IPI support Hector Martin
2022-03-09 20:28 ` Alyssa Rosenzweig
2022-03-09 19:21 ` [PATCH v3 4/7] irqchip/apple-aic: Switch to irq_domain_create_tree and sparse hwirqs Hector Martin
2022-03-09 19:21 ` [PATCH v3 5/7] irqchip/apple-aic: Dynamically compute register offsets Hector Martin
2022-03-09 19:21 ` [PATCH v3 6/7] irqchip/apple-aic: Support multiple dies Hector Martin
2022-03-09 19:21 ` [PATCH v3 7/7] irqchip/apple-aic: Add support for AICv2 Hector Martin
2022-03-09 20:30 ` [PATCH v3 0/7] " Alyssa Rosenzweig
2022-03-09 20:37 ` Marc Zyngier [this message]
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