linux-kernel - Re: [PATCH 1/1] UIO: Add a write() function to enable/disable interrupts

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Message-ID: <20080523120322.GB6932@digi.com>
Date:	Fri, 23 May 2008 14:03:22 +0200
From:	Uwe Kleine-König <Uwe.Kleine-Koenig@...i.com>
To:	"Hans J. Koch" <hjk@...utronix.de>
CC:	<linux-kernel@...r.kernel.org>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Jan Altenberg <jan.altenberg@...utronix.de>,
	Thomas Gleixner <tglx@...utronix.de>,
	Magnus Damm <magnus.damm@...il.com>
Subject: Re: [PATCH 1/1] UIO: Add a write() function to enable/disable interrupts

Hello Hans,

> > Otherwise the patch looks fine.
> 
> Thanks for your review! Could you add your Signed-off-by?
I don't consider my feed back valueable enough for a Signed-off-by, but
you can get an ...

> From: Hans J. Koch <hjk@...utronix.de>
> To: linux-kernel@...r.kernel.org
> Cc: Greg Kroah-Hartman <gregkh@...e.de>,
> 	Jan Altenberg <jan.altenberg@...utronix.de>,
> 	Thomas Gleixner <tglx@...utronix.de>,
> 	Uwe Kleine-König <Uwe.Kleine-Koenig@...i.com>,
> 	Magnus Damm <magnus.damm@...il.com>
> Subject: UIO: Add write function to allow irq masking
> Date: Thu, Fri, 23 May 2008 13:50:14 +0200
> 
> Sometimes it is necessary to enable/disable the interrupt of a UIO device
> from the userspace part of the driver. With this patch, the UIO kernel driver
> can implement an "irqcontrol()" function that does this. Userspace can write
> an s32 value to /dev/uioX (usually 0 or 1 to turn the irq off or on). The
> UIO core will then call the driver's irqcontrol function.
> 
> Signed-off-by: Hans J. Koch <hjk@...utronix.de>
Acked-by: Uwe Kleine-König <Uwe.Kleine-Koenig@...i.com>,

Best regards
Uwe
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