From: Peter Ujfalusi <peter.ujfalusi@ti.com>
To: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: Samuel Ortiz <sameo@linux.intel.com>,
linux-kernel@vger.kernel.org,
Misael Lopez Cruz <misael.lopez@ti.com>,
Benoit Cousson <b-cousson@ti.com>,
devicetree-discuss@lists.ozlabs.org, Liam Girdwood <lrg@ti.com>
Subject: Re: [PATCH 2/3] MFD: twl6040: Allocate IRQ numbers dynamically
Date: Fri, 04 May 2012 11:38:34 +0300 [thread overview]
Message-ID: <4FA3958A.4080206@ti.com> (raw)
In-Reply-To: <20120503152643.GM3955@opensource.wolfsonmicro.com>
On 05/03/2012 06:26 PM, Mark Brown wrote:
> On Thu, May 03, 2012 at 06:13:16PM +0300, Peter Ujfalusi wrote:
>> On 05/03/2012 05:52 PM, Mark Brown wrote:
>>> Are you sure there aren't any boards out there which rely on the
>>> interrupt base (eg, using a GPIO with the IRQ output of a chip)?
>
>> Yes, I'm sure.
>
> Because...?
The irq_base was used to map the nested interrupt numbers somewhere high
enough. twl6040 has one irq line towards the CPU (comes via
i2c_client->irq).
With this change we just change the mapping of the nested interrupt
range provided by twl6040 (instead of hardwired number we ask for
suitable range).
We have sdp4430 and PandaBoard with twl6040. They are fine. The other
non upstream boards should be fine as well with this change.
--
Péter
next prev parent reply other threads:[~2012-05-04 8:38 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-03 12:54 [PATCH 0/3] MFD: twl6040: Device tree support Peter Ujfalusi
2012-05-03 12:54 ` [PATCH 1/3] MFD: twl6040: Code cleanup in interrupt initialization part Peter Ujfalusi
2012-05-03 12:54 ` [PATCH 2/3] MFD: twl6040: Allocate IRQ numbers dynamically Peter Ujfalusi
2012-05-03 13:20 ` Mark Brown
2012-05-03 13:28 ` Peter Ujfalusi
2012-05-03 14:52 ` Mark Brown
2012-05-03 15:13 ` Peter Ujfalusi
2012-05-03 15:26 ` Mark Brown
2012-05-04 8:38 ` Peter Ujfalusi [this message]
2012-05-04 9:08 ` Mark Brown
2012-05-04 10:37 ` Peter Ujfalusi
2012-05-04 11:22 ` Mark Brown
2012-05-04 11:55 ` Peter Ujfalusi
2012-05-04 12:17 ` Mark Brown
2012-05-04 12:33 ` Peter Ujfalusi
2012-05-04 12:47 ` Mark Brown
2012-05-07 6:49 ` Peter Ujfalusi
2012-05-07 9:49 ` Mark Brown
2012-05-03 12:54 ` [PATCH 3/3] MFD: twl6040: Support for DT Peter Ujfalusi
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