Re: [PATCH 01/10] genirq: Export irq_set_msi_desc()

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On 25/11/17 19:41, Manikanta Maddireddy wrote:
> 
> 
> On 25-Nov-17 5:25 AM, Thomas Gleixner wrote:
>> On Fri, 24 Nov 2017, Manikanta Maddireddy wrote:
>>
>> Please CC the proper mailing list for irq related changes.
>>
>>> PCI bus support MSI interrupts, allow PCI host driver to set MSI descriptor
>>> data for an irq.
>>
>> This is not really an explanation why this export is needed.
>>
>> Thanks,
>>
>> 	tglx
>>
> Updated the commit log with why Tegra PCIe driver is using this function in V2.
> Please review.

Well, to review it, I would like to be on Cc.

My current position on this is that if you need to export this function,
then you're using a deprecated API, and you should instead consider
moving to the generic MSI model, which doesn't need any of this.

I've done that a distant past, but never actually published the patch
(not tested it):

https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git/commit/?h=irq/kill-msi-controller&id=83b3602fcee7972b9d549ed729b56ec28de16081

But without seeing the patches, I may be barking up the wrong tree...

Thanks,

	M.
-- 
Jazz is not dead. It just smells funny...
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