linux-kernel - Re: [PATCH v3 1/2] iio: fix drivers that consider 0 as a valid IRQ in client->irq

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Message-ID: <CAE1zotJCkdoStrh0CAFh8aoQr0+AZD-OCJX9B2BNPAAs9cgbxg@mail.gmail.com>
Date:	Thu, 23 Jul 2015 16:23:48 +0300
From:	Octavian Purdila <octavian.purdila@...el.com>
To:	Linus Walleij <linus.walleij@...aro.org>
Cc:	Jonathan Cameron <jic23@...nel.org>,
	Mika Westerberg <mika.westerberg@...ux.intel.com>,
	Hartmut Knaack <knaack.h@....de>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Peter Meerwald <pmeerw@...erw.net>,
	Alessandro Zummo <a.zummo@...ertech.it>,
	Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
	Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
	"linux-iio@...r.kernel.org" <linux-iio@...r.kernel.org>,
	"rtc-linux@...glegroups.com" <rtc-linux@...glegroups.com>,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 1/2] iio: fix drivers that consider 0 as a valid IRQ in client->irq

On Thu, Jul 23, 2015 at 4:11 PM, Linus Walleij <linus.walleij@...aro.org> wrote:
> On Thu, Jul 23, 2015 at 12:59 PM, Octavian Purdila
> <octavian.purdila@...el.com> wrote:
>> On Fri, Jun 5, 2015 at 4:59 PM, Octavian Purdila
>> <octavian.purdila@...el.com> wrote:
>>> Since patch "i2c / ACPI: Use 0 to indicate that device does not have
>>> interrupt assigned" [1], 0 is not a valid i2c client irq anymore, so
>>> change all driver's checks accordingly.
>>>
>>> The same issue occurs when the device is instantiated via device tree
>>> with no IRQ, or from the i2c sysfs interface, even before the patch
>>> above.
>>>
>>> [1] http://lkml.kernel.org/g/<1430908148-201129-3-git-send-email-mika.westerberg@...ux.intel.com>
>>>
>>> Signed-off-by: Octavian Purdila <octavian.purdila@...el.com>
>>> Reviewed-by: Mika Westerberg <mika.westerberg@...ux.intel.com>
>>
>> Hi Jonathan,
>>
>> Does this look OK to you? If so, could you pleas ACK the patch so that
>> Linus can pick it up in its for-next branch if/when needed?
>
> Me or Torvalds?
>
> This looks more like a Wolfram patch to me if it should not
> go through IIO.
>

Hi Linus,

This patch fixes one issue introduced by  "i2c / ACPI: Use 0 to
indicate that device does not have interrupt assigned" which I see it
is merged in the GPIO for-next branch. That is why I thought you will
pick it up, did I assume wrong?

Thanks,
Tavi
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