Re: [PATCH v2 2/5] gpio: cmd: warn when a gpio offset is already claimed

On 2026-07-29T08:12:14, Pranav Sanwal <[email protected]> wrote:
> gpio: cmd: warn when a gpio offset is already claimed
>
> The "gpio" command silently swallows -EBUSY from gpio_request(), since
> a pin already claimed by a driver or hog is a normal, expected
> condition for "gpio set"/"gpio toggle" etc. This makes an unexpected
> offset collision (e.g. two consumers unintentionally routed to the
> same underlying offset) opaque to debug from the command line.
>
> Print which label already holds the pin when this happens, using the
> device/offset already resolved by gpio_lookup_name().
>
> Signed-off-by: Pranav Sanwal <[email protected]>
>
> cmd/gpio.c | 11 +++++++++--
>  1 file changed, 9 insertions(+), 2 deletions(-)

Reviewed-by: Simon Glass <[email protected]>