From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rob Herring Subject: Re: [PATCH v2] x86: dts: ce4100: Use defined compatible string for PCF8575 chip Date: Fri, 18 Mar 2016 16:44:39 -0500 Message-ID: <20160318214439.GA17481@rob-hp-laptop> References: <1458147080.20441.1.camel@codethink.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1458147080.20441.1.camel-4yDnlxn2s6sWdaTGBSpHTA@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Ben Hutchings Cc: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Jiang Liu , devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: devicetree@vger.kernel.org On Wed, Mar 16, 2016 at 04:51:20PM +0000, Ben Hutchings wrote: > The binding definition for the PCF857x GPIO expanders doesn't mention > a "ti,pcf8575" compatible string. This is apparently because TI is > only a second source - there is no functional difference between > PCF8575 chips manufactured by TI and NXP, and the same board might be > populated with either depending on availability. > > This is not a problem in practice because the I2C core uses > of_modalias_node() before matching drivers and this strips the > manufacturer name. > > Signed-off-by: Ben Hutchings > --- > v2: Correct the claim that this is a practical problem. > > Documentation/devicetree/bindings/i2c/i2c-pxa-pci-ce4100.txt | 4 ++-- > arch/x86/platform/ce4100/falconfalls.dts | 4 ++-- > 2 files changed, 4 insertions(+), 4 deletions(-) Acked-by: Rob Herring -- 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