From: Russell King - ARM Linux <linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org>
To: Wolfram Sang <wsa-z923LK4zBo2bacvFa/9K2g@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 14:03:51 +0100 [thread overview]
Message-ID: <20140922130351.GL5182@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <20140922095939.GB1406@katana>
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.
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WARNING: multiple messages have this Message-ID (diff)
From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] i2c: axxia: Add I2C driver for AXM55xx
Date: Mon, 22 Sep 2014 14:03:51 +0100 [thread overview]
Message-ID: <20140922130351.GL5182@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <20140922095939.GB1406@katana>
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.
--
FTTC broadband for 0.8mile line: currently at 9.5Mbps down 400kbps up
according to speedtest.net.
WARNING: multiple messages have this Message-ID (diff)
From: Russell King - ARM Linux <linux@arm.linux.org.uk>
To: Wolfram Sang <wsa@the-dreams.de>
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 14:03:51 +0100 [thread overview]
Message-ID: <20140922130351.GL5182@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <20140922095939.GB1406@katana>
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.
--
FTTC broadband for 0.8mile line: currently at 9.5Mbps down 400kbps up
according to speedtest.net.
next prev parent reply other threads:[~2014-09-22 13:03 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 [this message]
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
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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