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Re: [PATCH 10/15] PCI: kill off set_irq_flags usage

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  Re: [PATCH 10/15] PCI: kill off set_irq_flags usage Rob Herring <robh@kernel.org> - 2015-06-18 22:10 +0200
    Re: [PATCH 10/15] PCI: kill off set_irq_flags usage Bjorn Helgaas <bhelgaas@google.com> - 2015-06-18 22:20 +0200

#1168268 — Re: [PATCH 10/15] PCI: kill off set_irq_flags usage

On Thu, Jun 18, 2015 at 11:59 AM, Bjorn Helgaas <bhelgaas@google.com> wrote:
> On Tue, Jun 09, 2015 at 01:26:36PM -0500, Rob Herring wrote:
>> set_irq_flags is ARM specific with custom flags which have genirq
>> equivalents. Convert drivers to use the genirq interfaces directly, so we
>> can kill off set_irq_flags. The translation of flags is as follows:
>>
>> IRQF_VALID -> !IRQ_NOREQUEST
>> IRQF_PROBE -> !IRQ_NOPROBE
>> IRQF_NOAUTOEN -> IRQ_NOAUTOEN
>>
>> For IRQs managed by an irqdomain, the irqdomain core code handles clearing
>> and setting IRQ_NOREQUEST already, so there is no need to do this in
>> .map() functions and we can simply remove the set_irq_flags calls. Some
>> users also set IRQ_NOPROBE and this has been maintained although it is not
>> clear that is really needed. There appears to be a great deal of blind
>> copy and paste of this code.
>>
>> Signed-off-by: Rob Herring <robh@kernel.org>
>> Cc: Kishon Vijay Abraham I <kishon@ti.com>
>> Cc: Bjorn Helgaas <bhelgaas@google.com>
>> Cc: Murali Karicheri <m-karicheri2@ti.com>
>> Cc: Thierry Reding <thierry.reding@gmail.com>
>> Cc: Stephen Warren <swarren@wwwdotorg.org>
>> Cc: Alexandre Courbot <gnurou@gmail.com>
>> Cc: Jingoo Han <jingoohan1@gmail.com>
>> Cc: Pratyush Anand <pratyush.anand@gmail.com>
>> Cc: Simon Horman <horms@verge.net.au>
>> Cc: Michal Simek <michal.simek@xilinx.com>
>> Cc: "Sören Brinkmann" <soren.brinkmann@xilinx.com>
>> Cc: linux-omap@vger.kernel.org
>> Cc: linux-pci@vger.kernel.org
>> Cc: linux-arm-kernel@lists.infradead.org
>> Cc: linux-tegra@vger.kernel.org
>> Cc: linux-sh@vger.kernel.org
>
> This is the only part of the series on linux-pci, so I assume this will be
> merged by somebody else along with the rest.

I copied you on the intro, but all the lists and all the maintainers
was too long to cc. Being late in the cycle I didn't really intend for
this to be for 4.2, but you can pick up this patch if you want to as
it doesn't have any dependencies. If you don't, then I will submit the
whole series for 4.3.

> Acked-by: Bjorn Helgaas <bhelgaas@google.com>

Thanks.

Rob
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#1168269

On Thu, Jun 18, 2015 at 3:08 PM, Rob Herring <robh@kernel.org> wrote:
> On Thu, Jun 18, 2015 at 11:59 AM, Bjorn Helgaas <bhelgaas@google.com> wrote:
>> On Tue, Jun 09, 2015 at 01:26:36PM -0500, Rob Herring wrote:
>>> set_irq_flags is ARM specific with custom flags which have genirq
>>> equivalents. Convert drivers to use the genirq interfaces directly, so we
>>> can kill off set_irq_flags. The translation of flags is as follows:
>>>
>>> IRQF_VALID -> !IRQ_NOREQUEST
>>> IRQF_PROBE -> !IRQ_NOPROBE
>>> IRQF_NOAUTOEN -> IRQ_NOAUTOEN
>>>
>>> For IRQs managed by an irqdomain, the irqdomain core code handles clearing
>>> and setting IRQ_NOREQUEST already, so there is no need to do this in
>>> .map() functions and we can simply remove the set_irq_flags calls. Some
>>> users also set IRQ_NOPROBE and this has been maintained although it is not
>>> clear that is really needed. There appears to be a great deal of blind
>>> copy and paste of this code.
>>>
>>> Signed-off-by: Rob Herring <robh@kernel.org>
>>> Cc: Kishon Vijay Abraham I <kishon@ti.com>
>>> Cc: Bjorn Helgaas <bhelgaas@google.com>
>>> Cc: Murali Karicheri <m-karicheri2@ti.com>
>>> Cc: Thierry Reding <thierry.reding@gmail.com>
>>> Cc: Stephen Warren <swarren@wwwdotorg.org>
>>> Cc: Alexandre Courbot <gnurou@gmail.com>
>>> Cc: Jingoo Han <jingoohan1@gmail.com>
>>> Cc: Pratyush Anand <pratyush.anand@gmail.com>
>>> Cc: Simon Horman <horms@verge.net.au>
>>> Cc: Michal Simek <michal.simek@xilinx.com>
>>> Cc: "Sören Brinkmann" <soren.brinkmann@xilinx.com>
>>> Cc: linux-omap@vger.kernel.org
>>> Cc: linux-pci@vger.kernel.org
>>> Cc: linux-arm-kernel@lists.infradead.org
>>> Cc: linux-tegra@vger.kernel.org
>>> Cc: linux-sh@vger.kernel.org
>>
>> This is the only part of the series on linux-pci, so I assume this will be
>> merged by somebody else along with the rest.
>
> I copied you on the intro, but all the lists and all the maintainers
> was too long to cc. Being late in the cycle I didn't really intend for
> this to be for 4.2, but you can pick up this patch if you want to as
> it doesn't have any dependencies. If you don't, then I will submit the
> whole series for 4.3.

OK, why don't you just include this with the rest of the series, since
I assume the whole series is related even if there's no actual
dependency.

Bjorn
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