From mboxrd@z Thu Jan 1 00:00:00 1970 From: linux@arm.linux.org.uk (Russell King - ARM Linux) Date: Mon, 22 Sep 2014 14:03:51 +0100 Subject: [PATCH] i2c: axxia: Add I2C driver for AXM55xx In-Reply-To: <20140922095939.GB1406@katana> References: <1408967482-17723-1-git-send-email-anders.berg@avagotech.com> <20140920121242.GA3833@katana> <20140922095939.GB1406@katana> Message-ID: <20140922130351.GL5182@n2100.arm.linux.org.uk> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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.