linux-kernel - Re: [PM8921 MFD V4 2/6] mfd: pm8xxx: Add irq support

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Date:	Fri, 18 Mar 2011 09:38:56 +0100 (CET)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Abhijeet Dharmapurikar <adharmap@...eaurora.org>
cc:	davidb@...eaurora.org, dwalker@...o99.com,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Bryan Huntsman <bryanh@...eaurora.org>,
	linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
	linux-arm-msm-owner@...r.kernel.org,
	linux-arm-kernel@...ts.intradead.org,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Linus Walleij <linux.walleij@...aro.org>,
	Greg Kroah-Hartman <gregkh@...e.de>
Subject: Re: [PM8921 MFD V4 2/6] mfd: pm8xxx: Add irq support

On Thu, 17 Mar 2011, adharmap@...eaurora.org wrote:
> +static struct irq_chip pm8xxx_irq_chip = {
> +	.name		= "pm8xxx",
> +	.irq_mask_ack	= pm8xxx_irq_mask_ack,
> +	.irq_unmask	= pm8xxx_irq_unmask,
> +	.irq_set_type	= pm8xxx_irq_set_type,
> +	.flags		= IRQCHIP_MASK_ON_SUSPEND,
> +};

Ok, that looks sane now. One problem remains. You have removed the
set_wake function, which will cause the core to bail when an irq is
marked wake. So you want an set_wake() function which does nothing
else than return 0 for now. I'll have a look that we can handle that
case with a chip flag in the core.

Thanks,

	tglx


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