From mboxrd@z Thu Jan  1 00:00:00 1970
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Date: Mon, 07 Mar 2011 19:39:21 +0100
From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
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Subject: Re: [Xenomai-help] Stuck MSI in normal Linux driver
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To: Philippe Gerum <rpm@xenomai.org>
Cc: "xenomai@xenomai.org" <xenomai@xenomai.org>, Jan Kiszka <jan.kiszka@domain.hid>

Philippe Gerum wrote:
> +static void fsl_msi_cascade(unsigned int irq, struct irq_desc *desc)
> +{
> (...)
> +	if ((msi_data->feature &  FSL_PIC_IP_MASK) == FSL_PIC_IP_IPIC) {
> +		if (desc->chip->mask_ack)
> +			desc->chip->mask_ack(irq);
> +		else {
> +			desc->chip->mask(irq);
> +			desc->chip->ack(irq);
> +		}
> +	} else
> +		desc->chip->eoi(irq);
> +
> (...)
> +
> +	desc->chip->unmask(irq);

Do we have to unmask here if we just eoi'ed on entry?

-- 
					    Gilles.