linux-kernel - RE: [PATCH 1/6] mfd: add lp8788 mfd driver

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Date:	Thu, 19 Jul 2012 09:05:30 +0000
From:	"Kim, Milo" <Milo.Kim@...com>
To:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
CC:	"sameo@...ux.intel.com" <sameo@...ux.intel.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"Girdwood, Liam" <lrg@...com>,
	Anton Vorontsov <cbouatmailru@...il.com>,
	"dwmw2@...radead.org" <dwmw2@...radead.org>,
	"a.zummo@...ertech.it" <a.zummo@...ertech.it>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Richard Purdie <rpurdie@...ys.net>,
	Bryan Wu <bryan.wu@...onical.com>
Subject: RE: [PATCH 1/6] mfd: add lp8788 mfd driver

> > +struct lp8788_irq_data {
> > +	struct lp8788 *lp;
> > +	struct irq_domain *irqdm;
> > +	struct mutex irq_lock;
> > +	struct delayed_work work;
> > +	struct workqueue_struct *thread;
> > +	int enabled[LP8788_INT_MAX];
> > +	int irq;
> > +	int irq_base;
> > +};
> 
> Can you use regmap-irq?  If not can we fix things so that's possible?

Mark,

Currently, there is some limitation on regmap-irq with LP8788.
In LP8788, interrupt is enabled when the IRQ bit is set to 1.
This concept is opposite to interrupt-mask register.
So experimental patch has been sent.
Could you please review it ?

Patch title: [PATCH 2/2] regmap-irq: support different type of irq register

Thank you.

Best Regards,
Milo



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