Re: [PATCH v10] gpio: Add GPIO support for the ACCES 104-IDIO-16

From: Linus Walleij
Date: Tue Oct 27 2015 - 06:07:04 EST

On Mon, Oct 19, 2015 at 6:59 PM, William Breathitt Gray
<vilhelm.gray@xxxxxxxxx> wrote:

> The ACCES 104-IDIO-16 family of PC/104 utility boards feature 16
> optically isolated inputs and 16 optically isolated FET solid state
> outputs. This driver provides GPIO support for these 32 channels of
> digital I/O. Change-of-State detection interrupts are not supported.
> GPIO 0-15 correspond to digital outputs 0-15, while GPIO 16-31
> correspond to digital inputs 0-15. The base port address for the device
> may be set via the idio_16_base module parameter.
> Signed-off-by: William Breathitt Gray <vilhelm.gray@xxxxxxxxx>
> ---
> Changes in v10:
> - Rename symbols to be more concise
> - Allocate GPIO device private data structure in probe function

Yes, exactly like this. :)

Patcha applied for kernel v4.4.

> +menu "ISA GPIO drivers"
> +
> +config GPIO_104_IDIO_16
> + tristate "ACCES 104-IDIO-16 GPIO support"
> + depends on X86
> + help
> + Enables GPIO support for the ACCES 104-IDIO-16 family.
> +
> +endmenu

I have five other drivers using port-based I/O:


Do you think it makes sense to move all of these in under
the "ISA GPIO drivers" menu as well? I guess they all require
ISA after all.

(Added their maintainers to the To: line so I can get some input
on this.)

Linus Walleij
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