From: Wolfram Sang <wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org>
To: Russell King - ARM Linux <linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org>
Cc: Anders Berg <anders.berg-1wcpHE2jlwO1Z/+hSey0Gg@public.gmane.org>,
devicetree <devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
"linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
"linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org"
<linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>,
linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH] i2c: axxia: Add I2C driver for AXM55xx
Date: Mon, 22 Sep 2014 16:49:05 +0200 [thread overview]
Message-ID: <20140922144904.GA1465@katana> (raw)
In-Reply-To: <20140922130351.GL5182-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org>
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On Mon, Sep 22, 2014 at 02:03:51PM +0100, Russell King - ARM Linux wrote:
> On Mon, Sep 22, 2014 at 11:59:39AM +0200, Wolfram Sang wrote:
> > IRQ_NONE is "this interrupt wasn't by me" so for shared IRQs, the next
> > handler can check.
>
> Err, no it isn't. IRQ_NONE has no such effect. All handlers on a
> shared interrupt are always run irrespective of the return value from
> any particular interrupt handler. See kernel/irq/handle.c.
/me picks the brown paper bag. I was sure I did. Need to update my
notes, it seems. Thanks for the heads up!
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From: wsa@the-dreams.de (Wolfram Sang)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] i2c: axxia: Add I2C driver for AXM55xx
Date: Mon, 22 Sep 2014 16:49:05 +0200 [thread overview]
Message-ID: <20140922144904.GA1465@katana> (raw)
In-Reply-To: <20140922130351.GL5182@n2100.arm.linux.org.uk>
On Mon, Sep 22, 2014 at 02:03:51PM +0100, Russell King - ARM Linux wrote:
> On Mon, Sep 22, 2014 at 11:59:39AM +0200, Wolfram Sang wrote:
> > IRQ_NONE is "this interrupt wasn't by me" so for shared IRQs, the next
> > handler can check.
>
> Err, no it isn't. IRQ_NONE has no such effect. All handlers on a
> shared interrupt are always run irrespective of the return value from
> any particular interrupt handler. See kernel/irq/handle.c.
/me picks the brown paper bag. I was sure I did. Need to update my
notes, it seems. Thanks for the heads up!
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From: Wolfram Sang <wsa@the-dreams.de>
To: Russell King - ARM Linux <linux@arm.linux.org.uk>
Cc: Anders Berg <anders.berg@avagotech.com>,
devicetree <devicetree@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
linux-i2c@vger.kernel.org
Subject: Re: [PATCH] i2c: axxia: Add I2C driver for AXM55xx
Date: Mon, 22 Sep 2014 16:49:05 +0200 [thread overview]
Message-ID: <20140922144904.GA1465@katana> (raw)
In-Reply-To: <20140922130351.GL5182@n2100.arm.linux.org.uk>
[-- Attachment #1: Type: text/plain, Size: 565 bytes --]
On Mon, Sep 22, 2014 at 02:03:51PM +0100, Russell King - ARM Linux wrote:
> On Mon, Sep 22, 2014 at 11:59:39AM +0200, Wolfram Sang wrote:
> > IRQ_NONE is "this interrupt wasn't by me" so for shared IRQs, the next
> > handler can check.
>
> Err, no it isn't. IRQ_NONE has no such effect. All handlers on a
> shared interrupt are always run irrespective of the return value from
> any particular interrupt handler. See kernel/irq/handle.c.
/me picks the brown paper bag. I was sure I did. Need to update my
notes, it seems. Thanks for the heads up!
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next prev parent reply other threads:[~2014-09-22 14:49 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-25 11:51 [PATCH] i2c: axxia: Add I2C driver for AXM55xx Anders Berg
2014-08-25 11:51 ` Anders Berg
2014-08-25 11:51 ` Anders Berg
[not found] ` <1408967482-17723-1-git-send-email-anders.berg-1wcpHE2jlwO1Z/+hSey0Gg@public.gmane.org>
2014-09-20 12:12 ` Wolfram Sang
2014-09-20 12:12 ` Wolfram Sang
2014-09-20 12:12 ` Wolfram Sang
2014-09-22 9:19 ` Anders Berg
2014-09-22 9:19 ` Anders Berg
2014-09-22 9:19 ` Anders Berg
[not found] ` <CAE0=X_0VQ8rWrUgbsgKm1MwCP8bwWm3UJPq9p=xNDfjP4CC7Bg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-09-22 9:59 ` Wolfram Sang
2014-09-22 9:59 ` Wolfram Sang
2014-09-22 9:59 ` Wolfram Sang
2014-09-22 10:24 ` Anders Berg
2014-09-22 10:24 ` Anders Berg
2014-09-22 10:24 ` Anders Berg
2014-09-22 10:47 ` Anders Berg
2014-09-22 10:47 ` Anders Berg
[not found] ` <CAE0=X_1v_1eNr=dPTgofamFuy6zP9ff=LS7dyexj4CeutDqaPA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-09-22 11:04 ` Wolfram Sang
2014-09-22 11:04 ` Wolfram Sang
2014-09-22 11:04 ` Wolfram Sang
2014-09-22 12:18 ` Anders Berg
2014-09-22 12:18 ` Anders Berg
2014-09-22 13:03 ` Russell King - ARM Linux
2014-09-22 13:03 ` Russell King - ARM Linux
2014-09-22 13:03 ` Russell King - ARM Linux
[not found] ` <20140922130351.GL5182-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2014-09-22 14:49 ` Wolfram Sang [this message]
2014-09-22 14:49 ` Wolfram Sang
2014-09-22 14:49 ` Wolfram Sang
2014-09-22 13:16 ` Uwe Kleine-König
2014-09-22 13:16 ` Uwe Kleine-König
2014-09-22 13:16 ` Uwe Kleine-König
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