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Subject[PATCH 0/3] XRA1403,gpio - add XRA1403 gpio expander driver


> -----Original Message-----
> From: Linus Walleij [mailto:linus.walleij@linaro.org]
> Sent: 29 March 2017 04:51
> To: Han, Nandor (GE Healthcare) <nandor.han@ge.com>
> Cc: Alexandre Courbot <gnurou@gmail.com>; Rob Herring <robh+dt@kernel.org>; Mark Rutland
> <mark.rutland@arm.com>; linux-gpio@vger.kernel.org; devicetree@vger.kernel.org; linux-kernel@vger.kernel.org
> Subject: EXT: Re: [PATCH 0/3] XRA1403,gpio - add XRA1403 gpio expander driver
>

<snip>

> Do *NOT* use the sysfs for testing GPIO.
> This is being phased out.
>
> Use the tools in tools/gpio/* so that you exercise the
> character device instead of the old deprecated ABI.
>

Thanks Linus, really good and helpful comments.
I agree that make more sense to test with tools/gpio/*.

> Yours,
> Linus Walleij
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