unsigned char  clk_src;          /* host clock source */
        unsigned char  clk_drv;          /* clock pad driving */
        unsigned char  cmd_drv;          /* command pad driving */
-       unsigned char  dat_drv;          /* data pad driving */
        unsigned long  flags;            /* hardware capability flags */
 
        /* config gpio pull mode */
 
        .clk_src        = 0,
        .clk_drv        = 4,
        .cmd_drv        = 4,
-       .dat_drv        = 4,
        .flags          = MSDC_CD_PIN_EN | MSDC_REMOVABLE,
 //     .flags          = MSDC_WP_PIN_EN | MSDC_CD_PIN_EN | MSDC_REMOVABLE,
 };
        sdr_set_field(MSDC_PAD_CTL0, MSDC_PAD_CTL0_CLKDRVP, hw->clk_drv);
        sdr_set_field(MSDC_PAD_CTL1, MSDC_PAD_CTL1_CMDDRVN, hw->cmd_drv);
        sdr_set_field(MSDC_PAD_CTL1, MSDC_PAD_CTL1_CMDDRVP, hw->cmd_drv);
-       sdr_set_field(MSDC_PAD_CTL2, MSDC_PAD_CTL2_DATDRVN, hw->dat_drv);
-       sdr_set_field(MSDC_PAD_CTL2, MSDC_PAD_CTL2_DATDRVP, hw->dat_drv);
+       sdr_set_field(MSDC_PAD_CTL2, MSDC_PAD_CTL2_DATDRVN, 4);
+       sdr_set_field(MSDC_PAD_CTL2, MSDC_PAD_CTL2_DATDRVP, 4);
 #else
        sdr_set_field(MSDC_PAD_CTL0, MSDC_PAD_CTL0_CLKDRVN, 0);
        sdr_set_field(MSDC_PAD_CTL0, MSDC_PAD_CTL0_CLKDRVP, 0);