extern uint sd_msglevel;       /* Debug message level */
 module_param(sd_msglevel, uint, 0);
 
-extern uint sd_clock;          /* SD Clock Control, 0 = SD Clock OFF,
-                                1 = SD Clock ON */
-module_param(sd_clock, uint, 0);
-
 extern uint sd_sdmode;         /* Default is SD4, 0=SPI, 1=SD1, 2=SD4 */
 module_param(sd_sdmode, uint, 0);
 
 
 uint sd_sdmode = SDIOH_MODE_SD4;       /* Use SD4 mode by default */
 uint sd_f2_blocksize = 512;    /* Default blocksize */
 
-uint sd_clock = 1;             /* Default to SD Clock turned ON */
 uint sd_hiok = false;          /* Don't use hi-speed mode by default */
 uint sd_msglevel = 0x01;
 DHD_PM_RESUME_WAIT_INIT(sdioh_request_byte_wait);
        IOV_SDMODE,
        IOV_HISPEED,
        IOV_HCIREGS,
-       IOV_CLOCK,
        IOV_RXCHAIN
 };
 
        {"sd_numints", IOV_NUMINTS, 0, IOVT_UINT32, 0},
        {"sd_devreg", IOV_DEVREG, 0, IOVT_BUFFER, sizeof(sdreg_t)}
        ,
-       {"sd_clock", IOV_CLOCK, 0, IOVT_UINT32, 0}
-       ,
        {"sd_mode", IOV_SDMODE, 0, IOVT_UINT32, 100}
        ,
        {"sd_highspeed", IOV_HISPEED, 0, IOVT_UINT32, 0}
 
                break;
 
-       case IOV_GVAL(IOV_CLOCK):
-               int_val = (u32) sd_clock;
-               memcpy(arg, &int_val, val_size);
-               break;
-
-       case IOV_SVAL(IOV_CLOCK):
-               sd_clock = int_val;
-               break;
-
        case IOV_GVAL(IOV_SDMODE):
                int_val = (u32) sd_sdmode;
                memcpy(arg, &int_val, val_size);
 
 
        if (on) {
                if (bus->idleclock == DHD_IDLE_STOP) {
-                       /* Turn on clock and restore mode */
-                       iovalue = 1;
-                       err = bcmsdh_iovar_op(bus->sdh, "sd_clock", NULL, 0,
-                                             &iovalue, sizeof(iovalue), true);
-                       if (err) {
-                               DHD_ERROR(("%s: error enabling sd_clock: %d\n",
-                                          __func__, err));
-                               return -EBADE;
-                       }
-
                        iovalue = bus->sd_mode;
                        err = bcmsdh_iovar_op(bus->sdh, "sd_mode", NULL, 0,
                                              &iovalue, sizeof(iovalue), true);
                                        return -EBADE;
                                }
                        }
-
-                       iovalue = 0;
-                       err = bcmsdh_iovar_op(bus->sdh, "sd_clock", NULL, 0,
-                                             &iovalue, sizeof(iovalue), true);
-                       if (err) {
-                               DHD_ERROR(("%s: error disabling sd_clock: %d\n",
-                                          __func__, err));
-                               return -EBADE;
-                       }
                }
                bus->clkstate = CLK_NONE;
        }