Messages in this thread | | | Date | Fri, 18 Mar 2016 16:44:39 -0500 | From | Rob Herring <> | Subject | Re: [PATCH v2] x86: dts: ce4100: Use defined compatible string for PCF8575 chip |
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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 <ben.hutchings@codethink.co.uk> > --- > 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 <robh@kernel.org>
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