本文共 329 字,大约阅读时间需要 1 分钟。
/** * Convert a GPIO descriptor to the integer namespace. * This should disappear in the future but is needed since we still * use GPIO numbers for error messages and sysfs nodes */int desc_to_gpio(const struct gpio_desc *desc){ return desc->gdev->base + (desc - &desc->gdev->descs[0]);}EXPORT_SYMBOL_GPL(desc_to_gpio);
转载地址:http://ngqti.baihongyu.com/