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Date:	Fri, 21 Nov 2014 15:17:35 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	arnd@...db.de
Cc:	netdev@...r.kernel.org, jeffrey.t.kirsher@...el.com,
	rpao@...net.org, linux-kernel@...r.kernel.org,
	linux-pcmcia@...ts.infradead.org
Subject: Re: [PATCH 1/2] net/am2150: fix nmclan_cs.c shared interrupt
 handling

From: Arnd Bergmann <arnd@...db.de>
Date: Thu, 20 Nov 2014 16:11:14 +0100

> A recent patch tried to work around a valid warning for the use of a
> deprecated interface by blindly changing from the old
> pcmcia_request_exclusive_irq() interface to pcmcia_request_irq().
> 
> This driver has an interrupt handler that is not currently aware
> of shared interrupts, but can be easily converted to be.
> At the moment, the driver reads the interrupt status register
> repeatedly until it contains only zeroes in the interesting bits,
> and handles each bit individually.
> 
> This patch adds the missing part of returning IRQ_NONE in case none
> of the bits are set to start with, so we can move on to the next
> interrupt source.
> 
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> Fixes: 5f5316fcd08ef7 ("am2150: Update nmclan_cs.c to use update PCMCIA API")
> ---
> I had this patch in my queue of things to submit and noticed that
> the warning had gone away upstream but my patch was still there.
> 
> For all I can tell, the driver is broken without this, although it
> would rarely be a problem.

I'm happy for this to go alongside patch #2 via another tree:

Acked-by: David S. Miller <davem@...emloft.net>
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