From mboxrd@z Thu Jan  1 00:00:00 1970
From: viresh.kumar@st.com (Viresh KUMAR)
Date: Mon, 15 Mar 2010 12:18:17 +0530
Subject: QUERY: How to handle sharing of interrupt between
	different	peripherals.
In-Reply-To: <20100315062221.GE31126@trinity.fluff.org>
References: <4B9DB99A.5040104@st.com>	<1b68c6791003142218q24fd8516id75d6964201da3f2@mail.gmail.com>
	<20100315062221.GE31126@trinity.fluff.org>
Message-ID: <4B9DD831.7070904@st.com>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

On 3/15/2010 11:52 AM, Ben Dooks wrote:
> On Mon, Mar 15, 2010 at 02:18:45PM +0900, jassi brar wrote:
>> On Mon, Mar 15, 2010 at 1:37 PM, Viresh KUMAR <viresh.kumar@st.com> wrote:
>>> In our SOC (SPEArxxx), we have few peripherals which share common interrupt
>>> line.
>> how about set_irq_chained_handler ?
> 
> How about making drivers deal with shared irqs properly... most will, with
> a small amount of TLC support the usage of one interrupt line shared
> between more than one peripheral. PCs often share interrupts if the IRQ
> controller hasn't been put into an extended mode.
> 

I feel that is the correct way. Just need to send some patchs for exiting
drivers.