drivers/char/hw_random/tx4939-rng.c:83:57: warning: expression does not compute the number of elements in this array; element type is ‘u64’ {aka ‘long long unsigned int’}, not ‘u32’ {aka ‘unsigned int’} [-Wsizeof-array-div] drivers/char/hw_random/tx4939-rng.c:83:57: note: add parentheses around the second ‘sizeof’ to silence this warning