Function sdio_disable_func

components/drivers/sdio/dev_sdio.c:1233–1263

}

rt_int32_t sdio_disable_func(struct rt_sdio_function *func)
{
    rt_int32_t ret;
    rt_uint8_t reg;
    struct rt_sdio_function *func0;

    RT_ASSERT(func != RT_NULL);
    RT_ASSERT(func->card != RT_NULL);

    func0 = func->card->sdio_function[0];

    mmcsd_dbg("SDIO: disabling function %d\n", func->num);

    reg =  sdio_io_readb(func0, SDIO_REG_CCCR_IO_EN, &ret);
    if (ret)
        goto err;

    reg &= ~(1 << func->num);

    ret = sdio_io_writeb(func0, SDIO_REG_CCCR_IO_EN, reg);
    if (ret)
        goto err;

    mmcsd_dbg("SDIO: disabled function successfull\n");

    return 0;

err:
    mmcsd_dbg("SDIO: failed to disable function %d\n", func->num);
    return -RT_EIO;
}

void sdio_set_drvdata(struct rt_sdio_function *func, void *data)
{