QLCWR32(adapter, QLCNIC_CRB_PEG_NET_3 + 0xc, 0);
        QLCWR32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x8, 0);
        QLCWR32(adapter, QLCNIC_CRB_PEG_NET_4 + 0xc, 0);
-       msleep(1);
+       usleep_range(1000, 1500);
 
        QLC_SHARED_REG_WR32(adapter, QLCNIC_PEG_HALT_STATUS1, 0);
        QLC_SHARED_REG_WR32(adapter, QLCNIC_PEG_HALT_STATUS2, 0);
                        flashaddr += 8;
                }
        }
-       msleep(1);
+       usleep_range(1000, 1500);
 
        QLCWR32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x18, 0x1020);
        QLCWR32(adapter, QLCNIC_ROMUSB_GLB_SW_RESET, 0x80001e);
                rc = qlcnic_validate_firmware(adapter);
                if (rc != 0) {
                        release_firmware(adapter->fw);
-                       msleep(1);
+                       usleep_range(1000, 1500);
                        goto next;
                }
        }