linux-kernel - Re: [PATCH v8 13/18] genirq/msi: Set IRQ_DOMAIN_FLAG

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Date:   Wed, 18 Jan 2017 09:36:44 +0100
From:   Tomasz Nowicki <tnowicki@...iumnetworks.com>
To:     Eric Auger <eric.auger@...hat.com>, <eric.auger.pro@...il.com>,
        <christoffer.dall@...aro.org>, <marc.zyngier@....com>,
        <robin.murphy@....com>, <alex.williamson@...hat.com>,
        <will.deacon@....com>, <joro@...tes.org>, <tglx@...utronix.de>,
        <jason@...edaemon.net>, <linux-arm-kernel@...ts.infradead.org>
CC:     <drjones@...hat.com>, <kvm@...r.kernel.org>,
        <punit.agrawal@....com>, <linux-kernel@...r.kernel.org>,
        <geethasowjanya.akula@...il.com>, <diana.craciun@....com>,
        <iommu@...ts.linux-foundation.org>,
        <pranav.sawargaonkar@...il.com>, <bharat.bhushan@....com>,
        <shankerd@...eaurora.org>, <gpkulkarni@...il.com>
Subject: Re: [PATCH v8 13/18] genirq/msi: Set IRQ_DOMAIN_FLAG_MSI on MSI
 domain creation

On 11.01.2017 10:41, Eric Auger wrote:
> Now we have a flag value indicating an IRQ domain implements MSI,
> let's set it on msi_create_irq_domain().
>
> Signed-off-by: Eric Auger <eric.auger@...hat.com>
> Reviewed-by: Marc Zyngier <marc.zyngier@....com>

Reviewed-by: Tomasz Nowicki <tomasz.nowicki@...iumnetworks.com>

Thanks,
Tomasz

>
> ---
>
> v7 -> v8
> - Added Marc's R-b
>
> v6: new
> ---
>  kernel/irq/msi.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/kernel/irq/msi.c b/kernel/irq/msi.c
> index ee23006..ddc2f54 100644
> --- a/kernel/irq/msi.c
> +++ b/kernel/irq/msi.c
> @@ -270,8 +270,8 @@ struct irq_domain *msi_create_irq_domain(struct fwnode_handle *fwnode,
>  	if (info->flags & MSI_FLAG_USE_DEF_CHIP_OPS)
>  		msi_domain_update_chip_ops(info);
>
> -	return irq_domain_create_hierarchy(parent, 0, 0, fwnode,
> -					   &msi_domain_ops, info);
> +	return irq_domain_create_hierarchy(parent, IRQ_DOMAIN_FLAG_MSI, 0,
> +					   fwnode, &msi_domain_ops, info);
>  }
>
>  int msi_domain_prepare_irqs(struct irq_domain *domain, struct device *dev,
>