39 	unsigned int chunk, copied;  in copy_from_registers()  local
46 	copied = chunk;  in copy_from_registers()
47 	if (copied >= bytes)  in copy_from_registers()
48 		return copied;  in copy_from_registers()
50 	chunk = min((bytes - copied), sizeof(long));  in copy_from_registers()
51 	memcpy(&buf[copied], &res->a2, chunk);  in copy_from_registers()
52 	copied += chunk;  in copy_from_registers()
53 	if (copied >= bytes)  in copy_from_registers()
54 		return copied;  in copy_from_registers()
56 	chunk = min((bytes - copied), sizeof(long));  in copy_from_registers()
57 	memcpy(&buf[copied], &res->a1, chunk);  in copy_from_registers()
59 	return copied + chunk;  in copy_from_registers()
66 	unsigned int copied = 0;  in smccc_trng_read()  local
69 	while (copied < max) {  in smccc_trng_read()
70 		size_t bits = min_t(size_t, (max - copied) * BITS_PER_BYTE,  in smccc_trng_read()
77 			copied += copy_from_registers(buf + copied, &res,  in smccc_trng_read()
83 				return copied;  in smccc_trng_read()
86 				return copied;  in smccc_trng_read()
94 	return copied;  in smccc_trng_read()