linux-kernel - Re: "BUG: Invalid wait context" in ls_extirq_set

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Date:   Wed, 25 Aug 2021 17:35:16 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Vladimir Oltean <olteanv@...il.com>
Cc:     Rasmus Villemoes <linux@...musvillemoes.dk>,
        Lee Jones <lee.jones@...aro.org>,
        Arnd Bergmann <arnd@...db.de>,
        Thomas Gleixner <tglx@...utronix.de>,
        Marc Zyngier <maz@...nel.org>, linux-kernel@...r.kernel.org
Subject: Re: "BUG: Invalid wait context" in ls_extirq_set_type

On Wed, Aug 25, 2021 at 07:03:34PM +0300, Vladimir Oltean wrote:
> On Wed, Aug 25, 2021 at 04:54:27PM +0100, Mark Brown wrote:

> > No problem with adding raw spinlocks to regmap, I think it's just nobody
> > needed them before.  I've not looked at the problem in sufficient detail
> > to figure out if that's actually the best solution here but from an initial
> > pass through it looks reasonableit looks reasonable

> The question becomes how will syscon be told that one of its consumers
> needs the regmap to use raw spinlock locking? The syscon regmap is
> initialized before any of its consumers probe, AFAIU.

I'd expect it to figure this out based on the compatible string for the
syscon device.

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