On 05/22/2017 02:24 AM, Peter Rosin wrote:
Hi Stephen,
I was looking at the i2c-mux-pinctrl driver and noticed that it has
code to feed it platform data from C code. There has never been any
in-kernel users of this interface and I would like to remove it. I
wonder if you added it way back when just because the i2c-mux-gpio
driver have such an interface or if, to your knowledge, any external
platform exists that depends on this?
I.e. I'm talking about removing include/linux/i2c-mux-pinctrl.h and
the code supporting it in the driver, thus only allowing devicetree
as source for the platform data.
I'm not aware of any in- or out-of-tree users of that structure/feature.
I added it because at the time I wrote that driver, it was common place
to support both DT-based and platform-data-based
instantiation/configuration of devices, so I did the same. If you're
removing pdata-based configuration, it would make sense to do a blanket
removal across the entire I2C subsystem (and other subsystems too) I
suspect, but that's LinusW's call in the end.
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