linux-kernel - Re: [patch 17/30] NTB/msi: Use irq_has

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Message-ID: <3526d997-a629-9843-7060-78d9e0a487c5@deltatee.com>
Date:   Thu, 10 Dec 2020 13:33:35 -0700
From:   Logan Gunthorpe <logang@...tatee.com>
To:     Thomas Gleixner <tglx@...utronix.de>,
        LKML <linux-kernel@...r.kernel.org>
Cc:     Peter Zijlstra <peterz@...radead.org>,
        Marc Zyngier <maz@...nel.org>, Jon Mason <jdmason@...zu.us>,
        Dave Jiang <dave.jiang@...el.com>,
        Allen Hubbe <allenbh@...il.com>, linux-ntb@...glegroups.com,
        "James E.J. Bottomley" <James.Bottomley@...senPartnership.com>,
        Helge Deller <deller@....de>,
        afzal mohammed <afzal.mohd.ma@...il.com>,
        linux-parisc@...r.kernel.org, Russell King <linux@...linux.org.uk>,
        linux-arm-kernel@...ts.infradead.org,
        Mark Rutland <mark.rutland@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Christian Borntraeger <borntraeger@...ibm.com>,
        Heiko Carstens <hca@...ux.ibm.com>, linux-s390@...r.kernel.org,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
        Rodrigo Vivi <rodrigo.vivi@...el.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Pankaj Bharadiya <pankaj.laxminarayan.bharadiya@...el.com>,
        Chris Wilson <chris@...is-wilson.co.uk>,
        Wambui Karuga <wambui.karugax@...il.com>,
        intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        Tvrtko Ursulin <tvrtko.ursulin@...ux.intel.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        linux-gpio@...r.kernel.org, Lee Jones <lee.jones@...aro.org>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Rob Herring <robh@...nel.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Michal Simek <michal.simek@...inx.com>,
        linux-pci@...r.kernel.org,
        Karthikeyan Mitran <m.karthikeyan@...iveil.co.in>,
        Hou Zhiqiang <Zhiqiang.Hou@....com>,
        Tariq Toukan <tariqt@...dia.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, netdev@...r.kernel.org,
        linux-rdma@...r.kernel.org, Saeed Mahameed <saeedm@...dia.com>,
        Leon Romanovsky <leon@...nel.org>,
        Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        Juergen Gross <jgross@...e.com>,
        Stefano Stabellini <sstabellini@...nel.org>,
        xen-devel@...ts.xenproject.org
Subject: Re: [patch 17/30] NTB/msi: Use irq_has_action()



On 2020-12-10 12:25 p.m., Thomas Gleixner wrote:
> Use the proper core function.
> 
> Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
> Cc: Jon Mason <jdmason@...zu.us>
> Cc: Dave Jiang <dave.jiang@...el.com>
> Cc: Allen Hubbe <allenbh@...il.com>
> Cc: linux-ntb@...glegroups.com

Looks good to me.

Reviewed-by: Logan Gunthorpe <logang@...tatee.com>

> ---
>  drivers/ntb/msi.c |    4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
> 
> --- a/drivers/ntb/msi.c
> +++ b/drivers/ntb/msi.c
> @@ -282,15 +282,13 @@ int ntbm_msi_request_threaded_irq(struct
>  				  struct ntb_msi_desc *msi_desc)
>  {
>  	struct msi_desc *entry;
> -	struct irq_desc *desc;
>  	int ret;
>  
>  	if (!ntb->msi)
>  		return -EINVAL;
>  
>  	for_each_pci_msi_entry(entry, ntb->pdev) {
> -		desc = irq_to_desc(entry->irq);
> -		if (desc->action)
> +		if (irq_has_action(entry->irq))
>  			continue;
>  
>  		ret = devm_request_threaded_irq(&ntb->dev, entry->irq, handler,
>