From: Nikita Yushchenko <nikita.yoush@cogentembedded.com>
To: Marc Zyngier <maz@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>,
Geert Uytterhoeven <geert+renesas@glider.be>,
Magnus Damm <magnus.damm@gmail.com>,
linux-renesas-soc@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH/RFC] drivers/irqchip: add irq-inverter
Date: Wed, 29 Dec 2021 22:52:18 +0300 [thread overview]
Message-ID: <37db485e-b832-9ff1-4d21-606eeeba871c@cogentembedded.com> (raw)
In-Reply-To: <87fsqbznc2.wl-maz@kernel.org>
Hi
>>> The right way to do it is to use the existing API by exposing the
>>> inverter (there are existing examples in the tree, using the
>>> hierarchical model)...
>
> A much simpler version can be written in a few minutes, see below...
Can something like that be used if the parent domain is not hierarchical (i.e. does not provide alloc(),
but provides map() instead)?
In particular, gpio-rcar currently provides irq domain that is not hierarchical.
As well as quite a few other gpiochips.
Nikita
next prev parent reply other threads:[~2021-12-29 19:52 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-28 16:56 [PATCH/RFC] drivers/irqchip: add irq-inverter Nikita Yushchenko
2021-12-28 18:18 ` Marc Zyngier
2021-12-28 19:03 ` Nikita Yushchenko
2021-12-29 11:01 ` Marc Zyngier
2021-12-29 19:52 ` Nikita Yushchenko [this message]
2021-12-30 10:34 ` Marc Zyngier
2021-12-30 10:53 ` Nikita Yushchenko
2021-12-30 11:25 ` Marc Zyngier
2021-12-28 19:04 ` Geert Uytterhoeven
2021-12-28 20:00 ` Nikita Yushchenko
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