From: archit taneja <archit@ti.com>
To: "Valkeinen, Tomi" <tomi.valkeinen@ti.com>
Cc: "Balbi, Felipe" <balbi@ti.com>,
"linux-omap@vger.kernel.org" <linux-omap@vger.kernel.org>
Subject: Re: OMAP: DSS2: Common IRQ handler for all OMAPs
Date: Tue, 15 Feb 2011 13:33:52 +0530 [thread overview]
Message-ID: <4D5A3368.8070801@ti.com> (raw)
In-Reply-To: <1297755911.2289.28.camel@deskari>
Hi,
On Tuesday 15 February 2011 01:15 PM, Valkeinen, Tomi wrote:
<snip>
> I'm not familiar with genirq/irq_chip. But yes, as Archit said, we can
> mask/unmask DSS interrupts. I mean, there's only one interrupt line, but
> DSS has irqstatus and irqenable registers that can be used.
>
> If I understood correctly, irq_chip could be used to manage DSS and DSI
> interrupts, but I don't know right away what that would mean in
> practice, and would it make things easier or not. But this could be
> something that needs more study, as there's a custom isr handling system
> in DSS, and it would be nice if that could be replaced with genirq.
>
> But I guess the main problem still remains with genirqs also: we have
> one interrupt line on omap3, used by two separate modules. And one irq
> on omap2, used by one module, and two irqs on omap4, used by two
> modules.
>
> Tomi
We actually have 4 interrupt lines on OMAP4, 1 for dispc, 2 for dsi1 and
dsi2 and 1 for hdmi.
Regards,
Archit
prev parent reply other threads:[~2011-02-15 8:03 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-02 8:56 [PATCH] OMAP: DSS2: Common IRQ handler for all OMAPs Archit Taneja
2011-02-14 14:21 ` Tomi Valkeinen
2011-02-14 14:30 ` Felipe Balbi
2011-02-15 4:28 ` archit taneja
2011-02-15 7:27 ` Tomi Valkeinen
2011-02-15 8:30 ` archit taneja
2011-02-15 8:37 ` Tomi Valkeinen
2011-02-15 8:47 ` archit taneja
2011-02-15 9:25 ` archit taneja
2011-02-15 10:23 ` Cousson, Benoit
2011-02-15 10:28 ` Semwal, Sumit
2011-02-15 10:50 ` Cousson, Benoit
2011-02-15 12:43 ` archit taneja
2011-02-15 12:56 ` Cousson, Benoit
2011-02-15 10:57 ` Felipe Balbi
2011-02-15 11:25 ` Tomi Valkeinen
2011-02-15 11:42 ` Felipe Balbi
2011-02-15 8:05 ` Felipe Balbi
2011-02-15 8:20 ` archit taneja
2011-02-15 8:23 ` Felipe Balbi
2011-02-15 7:45 ` Tomi Valkeinen
2011-02-15 8:03 ` archit taneja [this message]
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