[lkml]   [2021]   [Dec]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [RFC 12/32] iio: adc: Kconfig: add HAS_IOPORT dependencies
Hi Niklas,

On Mon, Dec 27, 2021 at 5:53 PM Niklas Schnelle <> wrote:
> In a future patch HAS_IOPORT=n will result in inb()/outb() and friends
> not being declared. We thus need to add HAS_IOPORT as dependency for
> those drivers using them.
> Co-developed-by: Arnd Bergmann <>
> Signed-off-by: Arnd Bergmann <>
> Signed-off-by: Niklas Schnelle <>

Thanks for your patch!

> --- a/drivers/iio/adc/Kconfig
> +++ b/drivers/iio/adc/Kconfig
> @@ -119,7 +119,7 @@ config AD7606
> config AD7606_IFACE_PARALLEL
> tristate "Analog Devices AD7606 ADC driver with parallel interface support"
> - depends on HAS_IOMEM
> + depends on HAS_IOPORT

While this driver uses ins[bw](), this seems unrelated to legacy
I/O space, as the driver maps a MMIO region. Probably different
accessors should be used instead.

Note that this driver has no in-tree users. Same for the SPI variant,
but at least that one has modern json-schema DT bindings ;-)

> select AD7606
> help
> Say yes here to build parallel interface support for Analog Devices:



Geert Uytterhoeven -- There's lots of Linux beyond ia32 --

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds

 \ /
  Last update: 2021-12-28 11:33    [W:0.312 / U:27.984 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site