The usage of strict_strtoul() is not preferred, because
strict_strtoul() is obsolete. Thus, kstrtoul() should be
used.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
        int ret;                                                        \
        if (!count)                                                     \
                return -EINVAL;                                         \
-       ret = strict_strtoul(buf, 16, &val);                            \
+       ret = kstrtoul(buf, 16, &val);                                  \
        if (ret)                                                        \
                return ret;                                             \
        down_write(&led->rwsem);                                        \
        int ret;                                                        \
        if (!count)                                                     \
                return -EINVAL;                                         \
-       ret = strict_strtoul(buf, 16, &val);                            \
+       ret = kstrtoul(buf, 16, &val);                                  \
        if (ret)                                                        \
                return ret;                                             \
        down_write(&led->rwsem);                                        \