[RFC PATCH 1/7] ARM: davinci, intc: Add OF support for TI interrupt controller

Heiko Schocher hs at denx.de
Tue Feb 14 02:15:25 EST 2012


Hello Grant,

Heiko Schocher wrote:
> Hello Grant,
> 
> Grant Likely wrote:
>> On Mon, Jan 23, 2012 at 09:56:01AM +0100, Heiko Schocher wrote:
>>> Add a function to initialize the davinci interrupt controller (INTC)
>>> using a device tree node.
>>>
>>> Signed-off-by: Heiko Schocher <hs at denx.de>
>>> Cc: davinci-linux-open-source at linux.davincidsp.com
>>> Cc: linux-arm-kernel at lists.infradead.org
>>> Cc: devicetree-discuss at lists.ozlabs.org
>>> Cc: Grant Likely <grant.likely at secretlab.ca>
>>> Cc: Sekhar Nori <nsekhar at ti.com>
>>> Cc: Wolfgang Denk <wd at denx.de>
>>> ---
>>>  .../devicetree/bindings/arm/davinci/intc.txt       |   26 ++++++++++
>>>  arch/arm/mach-davinci/cp_intc.c                    |   51 ++++++++++++++++++++
>>>  arch/arm/mach-davinci/include/mach/cp_intc.h       |    1 +
>>>  3 files changed, 78 insertions(+), 0 deletions(-)
>>>  create mode 100644 Documentation/devicetree/bindings/arm/davinci/intc.txt
> [...]
>>> diff --git a/arch/arm/mach-davinci/cp_intc.c b/arch/arm/mach-davinci/cp_intc.c
>>> index f83152d..2c6e2e4 100644
>>> --- a/arch/arm/mach-davinci/cp_intc.c
>>> +++ b/arch/arm/mach-davinci/cp_intc.c
> [...]
>>> +	cp_intc_init();
>>> +	irq_domain_add_simple(node, 0);
>> Take a look at the irq_domain patches that will be (probably) merged
>> in v3.4.  Instead of calling irq_domain_add_simple(), you should
>> migrate the whole interrupt controller to natively use an irq_domain
>> for hwirq <--> irq mapping.
> 
> I rebased my hole patchset to:
> 
> git://git.secretlab.ca/git/linux-2.6.git irqdomain/next
> and reworked the arch/arm/mach-davinci/cp_intc.c irq driver to use
> irq_domain, works good on the enbw_cmc board :-)
> 
> Waiting for your comment to my question to the
> [RFC PATCH 7/7] ARM: davinci: add support for the am1808 based enbw_cmc board
> patch, see:
> http://www.mail-archive.com/linux-i2c@vger.kernel.org/msg07132.html
> 
> and resend the hole reworked patchserie. Is it OK, if I use the above
> branch as base for sending this patchserie, or should I use another
> tree/branch for it?

Ping?

bye,
Heiko
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