/* Set data transfer width. Possible data transfer width is 1-bit, 4-bits or 8-bits.  */
static int mmc_set_bus_width(uint32_t instance, int bus_width)
/* Set data transfer width. Possible data transfer width is 1-bit, 4-bits or 8-bits.  */
static int mmc_set_bus_width(uint32_t instance, int bus_width)
{
    return mmc_switch(instance, MMC_SWITCH_SETBW_ARG(bus_width));
}