Re: [PATCH] gpio: allow passing NULL to gpio_request_by_line_name() to search all gpio controllers

18 Mar 2023


      Hi Rasmus,
On Fri, 17 Mar 2023 at 14:13, Rasmus Villemoes
rasmus.villemoes@prevas.dk wrote:
...
The API is more convenient to use if one doesn't have to know upfront
which gpio controller has a line with the name one is searching for,
and arrange to look that device up somehow. Or implement this loop
oneself.
Signed-off-by: Rasmus Villemoes rasmus.villemoes@prevas.dk
drivers/gpio/gpio-uclass.c | 7 +++++++
 include/asm-generic/gpio.h | 3 ++-
 2 files changed, 9 insertions(+), 1 deletion(-)
Reviewed-by: Simon Glass sjg@chromium.org
What is a line name? I don't see any mention of its purpose in the
binding doc[1].
Regards,
Simon
[1] https://github.com/devicetree-org/dt-schema/blob/3c35bfee83c2e38e2ae7af5f83e...