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From: Alexander Sverdlin <alexander.sverdlin-OYasijW0DpE@public.gmane.org>
To: ext Jean-Christophe PLAGNIOL-VILLARD
	<plagnioj-sclMFOaUSTBWk0Htik3J/w@public.gmane.org>
Cc: devicetree-discuss-mnsaURCQ41sdnm+yROfE0A@public.gmane.org,
	Ralf Baechle <ralf-6z/3iImG2C8G8FEW9MqTrA@public.gmane.org>,
	Rob Herring <rob.herring-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org>
Subject: Re: [RFC] [PATCH 3/3] IRQ: irq domain: defer of irq ressoure resolve at platform_drv_probe
Date: Mon, 24 Jun 2013 11:47:05 +0200	[thread overview]
Message-ID: <51C81599.3020407@nsn.com> (raw)
In-Reply-To: <1369753729-12997-3-git-send-email-plagnioj-sclMFOaUSTBWk0Htik3J/w@public.gmane.org>

Hi!

On 05/28/2013 05:08 PM, ext Jean-Christophe PLAGNIOL-VILLARD wrote:
> Today in the current of implementation we populate all the ressources
> at of_platform_populate time. But this leed to a chicken-egg dilemat
> some the irq present in DT are from platform_device too. And you can
> not resolve them as of_platform_populate. So delay the populate of irq
> at platform_drv_probe.
> 
> And if the irq_domain is not yet present just defer the probe (GPIO as example)
> 
> Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj-sclMFOaUSTBWk0Htik3J/w@public.gmane.org>

Tested-by: Alexander Sverdlin <alexander.sverdlin-OYasijW0DpE@public.gmane.org>

Tested the whole series. This is definitely a necessary feature.
I've tested it on MIPS64 system with merge-able device-subtrees.
If you would come with the new patch series, please put me on CC, I'll test it again.

> Cc: Grant Likely <grant.likely-s3s/WqlpOiPyB63q8FvJNQ@public.gmane.org>
> Cc: Rob Herring <rob.herring-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org>
> Cc: Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>
> Cc: Linus Walleij <linus.walleij-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
> Cc: Benjamin Herrenschmidt <benh-XVmvHMARGAS8U2dJNN8I7kB+6BGkLq7r@public.gmane.org>
> Cc: Ralf Baechle <ralf-6z/3iImG2C8G8FEW9MqTrA@public.gmane.org>
> Cc: Nicolas Ferre <nicolas.ferre-AIFe0yeh4nAAvxtiuMwx3w@public.gmane.org>
> ---
>  drivers/base/platform.c     |    5 +++++
>  drivers/of/platform.c       |   29 +++++++++++++++++++++++++++--
>  include/linux/of_platform.h |    7 +++++++
>  3 files changed, 39 insertions(+), 2 deletions(-)

...

-- 
Best regards,
Alexander Sverdlin.

  parent reply	other threads:[~2013-06-24  9:47 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-05-28 14:52 [RFC] [PATCH 0/3] of: allow to support irq domain register as platform_device for platform_device Jean-Christophe PLAGNIOL-VILLARD
     [not found] ` <20130528145219.GA30411-RQcB7r2h9QmfDR2tN2SG5Ni2O/JbrIOy@public.gmane.org>
2013-05-28 15:08   ` [RFC] [PATCH 1/3] of: irq: rename of_irq_count to of_irq_valid_count Jean-Christophe PLAGNIOL-VILLARD
     [not found]     ` <1369753729-12997-1-git-send-email-plagnioj-sclMFOaUSTBWk0Htik3J/w@public.gmane.org>
2013-05-28 15:08       ` [RFC] [PATCH 2/3] of: add of_irq_count: Count the number of IRQs a node present Jean-Christophe PLAGNIOL-VILLARD
     [not found]         ` <1369753729-12997-2-git-send-email-plagnioj-sclMFOaUSTBWk0Htik3J/w@public.gmane.org>
2013-05-29 22:33           ` Grant Likely
2013-05-30 10:25             ` Jean-Christophe PLAGNIOL-VILLARD
2013-05-28 15:08       ` [RFC] [PATCH 3/3] IRQ: irq domain: defer of irq ressoure resolve at platform_drv_probe Jean-Christophe PLAGNIOL-VILLARD
     [not found]         ` <1369753729-12997-3-git-send-email-plagnioj-sclMFOaUSTBWk0Htik3J/w@public.gmane.org>
2013-05-28 22:44           ` Rob Herring
     [not found]             ` <51A53363.6040004-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2013-05-29 11:26               ` Jean-Christophe PLAGNIOL-VILLARD
2013-05-29 22:48           ` Grant Likely
2013-05-30  7:52             ` Arnd Bergmann
     [not found]               ` <201305300952.06036.arnd-r2nGTMty4D4@public.gmane.org>
2013-05-30  7:53                 ` Grant Likely
2013-05-30 13:10                   ` Arnd Bergmann
     [not found]                     ` <201305301510.33650.arnd-r2nGTMty4D4@public.gmane.org>
2013-05-30 14:15                       ` Grant Likely
     [not found]                         ` <CACxGe6vewNv-4AtLeNDkzJnP50StrXtchi3GiKcd2HZG6YMvkA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-05-30 14:57                           ` Arnd Bergmann
2013-05-30 10:24                 ` Jean-Christophe PLAGNIOL-VILLARD
2013-05-30 10:36             ` Jean-Christophe PLAGNIOL-VILLARD
     [not found]               ` <20130530103639.GD19834-RQcB7r2h9QmfDR2tN2SG5Ni2O/JbrIOy@public.gmane.org>
2013-05-30 10:46                 ` Grant Likely
2013-06-07 13:41           ` Alexander Sverdlin
2013-06-24  9:47           ` Alexander Sverdlin [this message]
2013-05-29 22:25       ` [RFC] [PATCH 1/3] of: irq: rename of_irq_count to of_irq_valid_count Grant Likely
2013-05-30 10:28         ` Jean-Christophe PLAGNIOL-VILLARD
2013-05-28 15:41   ` [RFC] [PATCH 0/3] of: allow to support irq domain register as platform_device for platform_device Arnd Bergmann
     [not found]     ` <201305281741.33951.arnd-r2nGTMty4D4@public.gmane.org>
2013-05-28 18:51       ` Jean-Christophe PLAGNIOL-VILLARD

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