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From: Maxime Ripard <maxime.ripard@free-electrons.com>
To: Robert Jarzmik <robert.jarzmik@free.fr>
Cc: linux-mtd@lists.infradead.org,
	Brian Norris <computersforpeace@gmail.com>,
	David Woodhouse <dwmw2@infradead.org>,
	linux-kernel@vger.kernel.org,
	Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Subject: Re: [PATCH] mtd: pxa3xx-nand: handle PIO in threaded interrupt
Date: Thu, 19 Feb 2015 12:17:15 +0100	[thread overview]
Message-ID: <20150219111715.GS25269@lukather> (raw)
In-Reply-To: <87vbiz87j2.fsf@free.fr>

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On Wed, Feb 18, 2015 at 06:16:17PM +0100, Robert Jarzmik wrote:
> >> @@ -1672,7 +1688,8 @@ static int alloc_nand_resource(struct platform_device *pdev)
> >>  	/* initialize all interrupts to be disabled */
> >>  	disable_int(info, NDSR_MASK);
> >>  
> >> -	ret = request_irq(irq, pxa3xx_nand_irq, 0, pdev->name, info);
> >> +	ret = request_threaded_irq(irq, pxa3xx_nand_irq,
> >> +				   pxa3xx_nand_irq_thread, 0, pdev->name, info);
> >
> > Using IRQF_ONESHOT would allow you not to do the interrupt enable /
> > disable dance.
>
> Yes, that's a very good point. Would your Tested-by still hold with
> this change ?

Yep, I actually tested it before suggesting it.

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com

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WARNING: multiple messages have this Message-ID (diff)
From: Maxime Ripard <maxime.ripard@free-electrons.com>
To: Robert Jarzmik <robert.jarzmik@free.fr>
Cc: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>,
	David Woodhouse <dwmw2@infradead.org>,
	Brian Norris <computersforpeace@gmail.com>,
	linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] mtd: pxa3xx-nand: handle PIO in threaded interrupt
Date: Thu, 19 Feb 2015 12:17:15 +0100	[thread overview]
Message-ID: <20150219111715.GS25269@lukather> (raw)
In-Reply-To: <87vbiz87j2.fsf@free.fr>

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On Wed, Feb 18, 2015 at 06:16:17PM +0100, Robert Jarzmik wrote:
> >> @@ -1672,7 +1688,8 @@ static int alloc_nand_resource(struct platform_device *pdev)
> >>  	/* initialize all interrupts to be disabled */
> >>  	disable_int(info, NDSR_MASK);
> >>  
> >> -	ret = request_irq(irq, pxa3xx_nand_irq, 0, pdev->name, info);
> >> +	ret = request_threaded_irq(irq, pxa3xx_nand_irq,
> >> +				   pxa3xx_nand_irq_thread, 0, pdev->name, info);
> >
> > Using IRQF_ONESHOT would allow you not to do the interrupt enable /
> > disable dance.
>
> Yes, that's a very good point. Would your Tested-by still hold with
> this change ?

Yep, I actually tested it before suggesting it.

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com

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  reply	other threads:[~2015-02-19 11:20 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-02-17 20:06 [PATCH] mtd: pxa3xx-nand: handle PIO in threaded interrupt Robert Jarzmik
2015-02-17 20:06 ` Robert Jarzmik
2015-02-18 10:16 ` Maxime Ripard
2015-02-18 10:16   ` Maxime Ripard
2015-02-18 17:16   ` Robert Jarzmik
2015-02-18 17:16     ` Robert Jarzmik
2015-02-19 11:17     ` Maxime Ripard [this message]
2015-02-19 11:17       ` Maxime Ripard
2015-02-18 11:42 ` Ezequiel Garcia
2015-02-18 16:09   ` Robert Jarzmik
2015-02-18 16:09     ` Robert Jarzmik

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