[PATCH 1/2] i2c: mux: Add dt support to i2c-mux-gpio driver

[Peter Korsgaard]

>>>>> "MR" == Maxime Ripard <maxime.ripard at free-electrons.com> writes:

Hi,

MR> +* Standard I2C mux properties. See mux.txt in this directory.
MR> +* I2C child bus nodes. See mux.txt in this directory.
MR> +
MR> +Optional properties:
MR> +- idle-state: value to set to the muxer when idle. When no value is
>> 
>> How about 'bitmask defining mux state when idle' instead?

MR> Since the array documented as using the bitmasks in the platform_data
MR> and described as an array of bitmasks is called "values", and the file
MR> mux.txt talks about "numbers" to put into reg, won't this be confusing
MR> to have three names for the exact same thing?

Yeah, the mess is less than perfect. To my defense I did use bitmask in
the platform data documentation:

@values: Array of bitmasks of GPIO settings (low/high) for each position
@idle: Bitmask to write to MUX when idle or GPIO_I2CMUX_NO_IDLE if not used

But ok, I don't feel strongly about it.


>> Why this change? I don't see why it is needed and the patch would be a
>> lot easier to review without all the s/.data/->data/ noise.

MR> Ah yes, since mux is already allocated using kcalloc, we don't need to
MR> do it for data as well. I will remove it.

Ok, great.

-- 
Sorry about disclaimer - It's out of my control.
Bye, Peter Korsgaard


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