From mboxrd@z Thu Jan 1 00:00:00 1970 From: Russell King - ARM Linux Subject: Re: [PATCH] i2c: axxia: Add I2C driver for AXM55xx Date: Mon, 22 Sep 2014 14:03:51 +0100 Message-ID: <20140922130351.GL5182@n2100.arm.linux.org.uk> References: <1408967482-17723-1-git-send-email-anders.berg@avagotech.com> <20140920121242.GA3833@katana> <20140922095939.GB1406@katana> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20140922095939.GB1406@katana> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Wolfram Sang Cc: Anders Berg , devicetree , "linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org" , linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: devicetree@vger.kernel.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. -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html