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Date: Fri, 04 Jul 2014 12:51:13 -0700
From: Guenter Roeck <linux@roeck-us.net>
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To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
CC: Rob Herring <robh@kernel.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        Russell King <linux@arm.linux.org.uk>,
        Tony Lindgren <tony@atomide.com>,
        Grant Likely <grant.likely@linaro.org>,
        Grygorii Strashko <grygorii.strashko@ti.com>
Subject: Re: [PATCH v2] platform_get_irq: Revert to platform_get_resource
 if of_irq_get fails
References: <1403045462-24204-1-git-send-email-linux@roeck-us.net> <CAL_Jsq+Xi4UnFHouTqJQGyNVHpCcbNBRNgbQ3OY-+EsCDKFHLw@mail.gmail.com> <20140630161835.GA14632@roeck-us.net> <20140630162250.GA24179@kroah.com>
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On 06/30/2014 09:22 AM, Greg Kroah-Hartman wrote:
> On Mon, Jun 30, 2014 at 09:18:35AM -0700, Guenter Roeck wrote:
>> On Mon, Jun 23, 2014 at 10:48:33AM -0500, Rob Herring wrote:
>>> On Tue, Jun 17, 2014 at 5:51 PM, Guenter Roeck <linux@roeck-us.net> wrote:
>>>> Commits 9ec36ca (of/irq: do irq resolution in platform_get_irq)
>>>> and ad69674 (of/irq: do irq resolution in platform_get_irq_byname)
>>>> change the semantics of platform_get_irq and platform_get_irq_byname
>>>> to always rely on devicetree information if devicetree is enabled
>>>> and if a devicetree node is attached to the device. The functions
>>>> now return an error if the devicetree data does not include interrupt
>>>> information, even if the information is available as platform resource
>>>> data.
>>>>
>>>> This causes mfd client drivers to fail if the interrupt number is
>>>> passed via platform resources. Therefore, if of_irq_get fails, try
>>>> platform_get_resource as method of last resort. This restores the
>>>> original functionality for drivers depending on platform resources
>>>> to get irq information.
>>>>
>>>> Cc: Russell King <linux@arm.linux.org.uk>
>>>> Cc: Rob Herring <robh@kernel.org>
>>>> Cc: Tony Lindgren <tony@atomide.com>
>>>> Cc: Grant Likely <grant.likely@linaro.org>
>>>> Cc: Grygorii Strashko <grygorii.strashko@ti.com>
>>>> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
>>>
>>> Acked-by: Rob Herring <robh@kernel.org>
>>>
>>> Greg should take this for 3.16.
>>>
>> Doesn't seem to go anywhere. Guess it's one more patch I'll have to carry
>> locally :-(. If anyone has a better idea how to fix the problem, please
>> let me know.
>
> I can still queue this up, I was hoping that Grant would chime in...
>

Doesn't look like it.

Guenter