linux-kernel - Re: [PATCH 3/5] uio: Cleanup irq handling.

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Message-ID: <alpine.LFD.2.00.1009172234060.2416@localhost6.localdomain6>
Date:	Fri, 17 Sep 2010 22:34:49 +0200 (CEST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
cc:	Greg Kroah-Hartman <gregkh@...e.de>,
	"Hans J. Koch" <hjk@...utronix.de>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/5] uio: Cleanup irq handling.

On Tue, 14 Sep 2010, Eric W. Biederman wrote:

> 
> Change the value of UIO_IRQ_NONE -2 to 0.  0 is well defined in the rest
> of the kernel as the value to indicate an irq has not been assigned.
> 
> Update the calls to request_irq and free_irq to only ignore UIO_IRQ_NONE
> and UIO_IRQ_CUSTOM allowing the rest of the kernel's possible irq
> numbers to be used.
> 
> Signed-off-by: Eric W. Biederman <ebiederm@...stanetworks.com>
 
Reviewed-by: Thomas Gleixner <tglx@...utronix.de>
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