67 	unsigned int tmp, drate_byte;  in lpddr4_mr_read()  local
69 	tmp = mmio_read_32(DRC_PERF_MON_MRR0_DAT(0));  in lpddr4_mr_read()
70 	mmio_write_32(DRC_PERF_MON_MRR0_DAT(0), tmp | 0x1);  in lpddr4_mr_read()
72 		tmp = mmio_read_32(DDRC_MRSTAT(0));  in lpddr4_mr_read()
73 	} while (tmp & 0x1);  in lpddr4_mr_read()
81 		tmp = mmio_read_32(DDRC_MRSTAT(0));  in lpddr4_mr_read()
82 	} while (tmp & 0x1);  in lpddr4_mr_read()
85 		tmp = mmio_read_32(DRC_PERF_MON_MRR0_DAT(0));  in lpddr4_mr_read()
86 	} while (!(tmp & 0x8));  in lpddr4_mr_read()
87 	tmp = mmio_read_32(DRC_PERF_MON_MRR1_DAT(0));  in lpddr4_mr_read()
90 	tmp = (tmp >> (drate_byte * 8)) & 0xff;  in lpddr4_mr_read()
93 	return tmp;  in lpddr4_mr_read()