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Date: Fri, 2 Jun 2006 20:09:28 +0100
From: Russell King <rmk+lkml@arm.linux.org.uk>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Rogier Wolff <R.E.Wolff@BitWizard.nl>, Linus Torvalds <torvalds@osdl.org>,
       Andrew Morton <akpm@osdl.org>,
       Andreas Mohr <andi@rhlx01.fht-esslingen.de>, florin@iucha.net,
       linux-kernel@vger.kernel.org, linux@dominikbrodowski.net
Subject: Re: pcmcia oops on 2.6.17-rc[12]
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On Mon, May 22, 2006 at 01:10:04PM +0100, Alan Cox wrote:
> On Llu, 2006-05-22 at 13:50 +0200, Rogier Wolff wrote:
> > The question I'm stuck with is: When is it valid to ask for a non-shared
> > IRQ, and get back a shared one. 
> 
> I don't think it is. The problem is that some PCMCIA drivers currently
> assume they can do so. The rules changed a bit over time on the hardware
> side.

As I've explained twice so far in this thread, this is not the case
with PCMCIA serial ports.  We always request IRQs with SA_SHIRQ, unless
someone from userspace comes along and explicitly clears the "shared
interrupt" flag via setserial.

-- 
Russell King
 Linux kernel    2.6 ARM Linux   - http://www.arm.linux.org.uk/
 maintainer of:  2.6 Serial core