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Re: [PATCH] iio: stx104: Add support for GPIO names

From Jonathan Cameron <jic23@kernel.org>
Newsgroups linux.kernel
Subject Re: [PATCH] iio: stx104: Add support for GPIO names
Date 2017-01-31 20:00 +0100
Message-ID <t5LOO-4b0-39@gated-at.bofh.it> (permalink)
References <t5nMt-6G1-11@gated-at.bofh.it> <t5Dey-7w7-29@gated-at.bofh.it>
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On 31/01/17 09:41, Linus Walleij wrote:
> On Mon, Jan 30, 2017 at 6:16 PM, William Breathitt Gray
> <vilhelm.gray@gmail.com> wrote:
> 
>> This patch sets the gpio_chip names option with an array of GPIO line
>> names that match the manual documentation for the Apex Embedded Systems
>> STX104. This should make it easier for users to identify which GPIO line
>> corresponds to a respective GPIO pin on the device.
>>
>> Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com>
> (...)
>> +#define STX104_NGPIO 8
>> +static const char *stx104_names[STX104_NGPIO] = {
>> +       "DIN0", "DIN1", "DIN2", "DIN3", "DOUT0", "DOUT1", "DOUT2", "DOUT3"
>> +};
> (...)
>> +       stx104gpio->chip.ngpio = STX104_NGPIO;
>> +       stx104gpio->chip.names = stx104_names;
> 
> If the device has a gpio-controller tagged node in a device tree, it is better
> to use gpio-line-names = "foo" ...; for this. For ACPI there is something
> similar.
> 
> If it is spawn from this device without any GPIO child node or hardware
> description outside of the kernel driver, such as
> ISA/PCI or whatever, this is a good way.
> 
> This is an isa_driver and falls in the latter category, so:
> Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Cool.. thanks for the info as well.

Applied to the togreg branch of iio.git. Will push out as testing in a few minutes
to let the autobuilders play with it.

Thanks,

Jonathan
> 
> Yours,
> Linus Walleij
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Re: [PATCH] iio: stx104: Add support for GPIO names Linus Walleij <linus.walleij@linaro.org> - 2017-01-31 10:50 +0100
  Re: [PATCH] iio: stx104: Add support for GPIO names Jonathan Cameron <jic23@kernel.org> - 2017-01-31 20:00 +0100

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