linux-kernel - Re: [PATCH] ASoC: mediatek: Correct the interrupt property

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Date:   Tue, 15 Aug 2017 14:56:10 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Ryder Lee <ryder.lee@...iatek.com>
Cc:     linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
        alsa-devel@...a-project.org, devicetree@...r.kernel.org,
        Garlic Tseng <garlic.tseng@...iatek.com>
Subject: Re: [PATCH] ASoC: mediatek: Correct the interrupt property

On Tue, Aug 15, 2017 at 09:51:40PM +0800, Ryder Lee wrote:
> On Tue, 2017-08-15 at 12:53 +0100, Mark Brown wrote:

> > What harm does having the extra information in the bindings do?  If it's
> > possible there might be a use for the extra interrupt it seems better to
> > have people describe it.

> Yes you're right. The current driver get IRQ number by index "0" but
> actually it should be "1" (GIC 132). Perhaps we can switch to use the
> platform_get_irq_byname() and add interrupt-name in DT so that binding
> can be agnostic of the IRQ order. 

Yes, that's generally good - it also means that if future revisions of
the IP have different sets of interrupts the binding can adapt
gracefully.

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