linux-kernel - Re: [PATCH 06/12] genericirq: make irq

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Date:	Sun, 21 Mar 2010 17:29:09 +0100 (CET)
From:	Julia Lawall <julia@...u.dk>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	Yinghai Lu <yinghai@...nel.org>, Ingo Molnar <mingo@...e.hu>,
	"H. Peter Anvin" <hpa@...or.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Suresh Siddha <suresh.b.siddha@...el.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 06/12] genericirq: make irq_chip related function to take
 desc

There is a function set_irq_chained_handler that takes a function, 
handler, as its second argument.  It seems that handler is always then 
called with and irq as the first argument and the associated desc as the 
second argument.  If this is the case, one could drop the irq argument and 
only use desc.  A lot of calls of the form

desc->chip->...(irq_to_desc(irq))

could then become

desc->chip->...(desc)

julia
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