Re: [PATCH v6 2/4] i2c: add support for Diolan DLN-2 USB-I2C adapter
From: Johan Hovold
Date: Wed Oct 08 2014 - 06:45:16 EST
On Thu, Sep 25, 2014 at 07:07:32PM +0300, Octavian Purdila wrote:
> diff --git a/Documentation/ABI/testing/sysfs-bus-i2c-busses-dln2 b/Documentation/ABI/testing/sysfs-bus-i2c-busses-dln2
> new file mode 100644
> index 0000000..ad55af6
> --- /dev/null
> +++ b/Documentation/ABI/testing/sysfs-bus-i2c-busses-dln2
This is a nonstandard path that does not match the attribute path (or
any other convention followed under ABI/).
I suggest you rename it
> @@ -0,0 +1,5 @@
> +What: /sys/bus/i2c/devices/.../dln2_i2c_freq
I think you should rename the attribute "bus_frequency" and name the
attribute group "dln2". That way the attribute will show up as
Then the "What:" field should read
> +Date: September 2014
> +Contact: Octavian Purdila <octavian.purdila@xxxxxxxxx>
> + This attribute shows/sets the frequency (in Hz) of the I2C bus.
I'd reword this "Set the frequency...".
Please also describe under what circumstances this may fail, that is,
when setting a frequency less than or greater than the min or max
frequencies reported by the device.
Perhaps you should even consider exporting those two values?
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