From: Michal Simek <michal.simek@xilinx.com>
To: Grant Likely <grant.likely@linaro.org>
Cc: Michal Simek <monstr@monstr.eu>,
Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>,
Michal Simek <michal.simek@xilinx.com>,
devicetree-discuss <devicetree-discuss@lists.ozlabs.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Rob Herring <rob.herring@calxeda.com>
Subject: Re: [PATCH] of: Export of_irq_count for using in modules
Date: Thu, 6 Jun 2013 15:26:31 +0200 [thread overview]
Message-ID: <bfbf8745-1dd4-4a67-be76-e563cade5293@AM1EHSMHS019.ehs.local> (raw)
In-Reply-To: <CACxGe6synO5mksUPF4bG3NGnkS7HB47m8u_O+WVb6GG-0153Yw@mail.gmail.com>
On 06/06/2013 01:55 PM, Grant Likely wrote:
> On Thu, Jun 6, 2013 at 9:39 AM, Michal Simek <monstr@monstr.eu> wrote:
>> On 06/06/2013 10:29 AM, Jean-Christophe PLAGNIOL-VILLARD wrote:
>>> On 18:45 Fri 31 May , Michal Simek wrote:
>>>> ok. good to know. Btw: Let's return to my origin point why not to
>>>> export of_irq_count for modules?
>>>> Or opposite question if platform_get_resource is correct way
>>>> why to export of_irq_to_resource for modules?
>>>
>>> for old ppc drivers that are not converted yet to pdev
>>>
>>> if you can do so just use pdev resource I should have fix the pb or irq_domain
>>> hopefully for 3.11
>>
>> ok. It means it is currently deprecated.
>> I just wanted to be sure that I understand it correctly.
>
> It's deprecated for platform_devices, but should still be used for
> other bus types that don't provide the device driver with a list of
> irqs. For platform devices it is best to use the platform_bus irq
> table since that is portable regardless of how the device is
> instantiated.
>
> As for not exporting of_irq_count(), I don't have a problem with it,
> but only if there is a user. It sounds like with the rework you
> discussed with Jean-Christophe that it is no longer the case.
We have talked about out of tree driver anyway
because it targets arm-arm remoteproc AMP which is not in mainline yet.
I have changed my drivers and using resource tables.
Interesting thing was that long interrupt list
is translated to resource table entry per cell and res->end is not
used to cover bigger ranges.
interrupts = < 0 29 0 0 30 0 0 31 0 0 32 0 0 33 0 0 34 0 0 35 0 0 36 0 0 52 0 0 53 0 0 54 0 0 55 0 0 56 0 0 57 0 0 58 0 0 59 0 0 37 0 0 38 0 0 39 0>;
BTW: can you please look at my microblaze email around interrupt
handlers?
Thanks,
Michal
next prev parent reply other threads:[~2013-06-06 13:26 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-30 13:49 Michal Simek
2013-05-30 20:17 ` Jean-Christophe PLAGNIOL-VILLARD
2013-05-31 8:14 ` Michal Simek
2013-05-31 11:00 ` Jean-Christophe PLAGNIOL-VILLARD
2013-05-31 13:57 ` Michal Simek
2013-05-31 15:16 ` Jean-Christophe PLAGNIOL-VILLARD
2013-05-31 16:45 ` Michal Simek
2013-06-06 8:29 ` Jean-Christophe PLAGNIOL-VILLARD
2013-06-06 8:39 ` Michal Simek
2013-06-06 11:55 ` Grant Likely
2013-06-06 13:26 ` Michal Simek [this message]
2013-06-06 14:49 ` Jean-Christophe PLAGNIOL-VILLARD
2013-07-18 7:02 ` Michal Simek
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