gpioadm_warn
extern void gpioadm_warn(const char *, ...) __PRINTFLIKE(1);
gpioadm_warn("failed to initialize controller %s", mname);
gpioadm_warn("failed to get controller info for %s", mname);
gpioadm_warn("failed to get controller info for %s", name);
gpioadm_warn("failed to update GPIO %s", target);
gpioadm_warn("failed to initialize controller %s", mname);
gpioadm_warn("failed to get controller info for %s", mname);
gpioadm_warn("failed to get gpio info for %s:%u",