Re: [PATCH v2] Documentation: gpio: add documentation about using software nodes

[Dmitry Torokhov]

Hi Randy,

On Sat, Aug 16, 2025 at 04:17:32PM -0700, Randy Dunlap wrote:
> 
> 
> On 8/16/25 3:21 PM, Randy Dunlap wrote:
> > 
> > 
> > On 8/16/25 3:08 PM, Randy Dunlap wrote:
> >> Hi,
> >>
> >> On 8/15/25 10:30 AM, Dmitry Torokhov wrote:
> >>> Introduce documentation regarding use of software nodes to describe
> >>> GPIOs on legacy boards that have not been converted to device tree.
> >>>
> >>> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
> >>> ---
> >>>
> >>> v2: Addressed Randy's comments.
> >>>
> >>>  Documentation/driver-api/gpio/board.rst       |  65 ++++
> >>>  Documentation/driver-api/gpio/index.rst       |   1 +
> >>>  .../driver-api/gpio/legacy-boards.rst         | 298 ++++++++++++++++++
> >>>  3 files changed, 364 insertions(+)
> 
> Hi Dmitry,
> 
> There are a few build errors with the example code. It's OK to leave that
> as an exercise for the reader. :)
> 
> There are a few missing header files, but the biggest build warning/error
> is a Section mismatch:
> WARNING: modpost: gpio-swnodes: section mismatch in reference: myboard_exit+0x1f (section: .exit.text) -> myboard_swnodes (section: .init.rodata)
> 
> so myboard_swnodes should not be marked as __initconst.

Ah, yes, indeed, I'll drop the annotation. Thank you for all the
reviews.

-- 
Dmitry