reg_dfs_domain_same
if (!reg_dfs_domain_same(wiphy, &rdev->wiphy))
if (!reg_dfs_domain_same(dst_wiphy, src_wiphy))
if (!reg_dfs_domain_same(wiphy, &rdev->wiphy))
bool reg_dfs_domain_same(struct wiphy *wiphy1, struct wiphy *wiphy2);