ANDROID: mmc: Add new API call 'sdio_reset_comm' for resetting communication with an SDIO device

	return err;

}

int sdio_reset_comm(struct mmc_card *card)

{

	struct mmc_host *host = card->host;

	u32 ocr;

	int err;

	printk("%s():\n", __func__);

	mmc_go_idle(host);

	mmc_set_clock(host, host->f_min);

	err = mmc_send_io_op_cond(host, 0, &ocr);

	if (err)

		goto err;

	host->ocr = mmc_select_voltage(host, ocr);

	if (!host->ocr) {

		err = -EINVAL;

		goto err;

	}

	err = mmc_send_io_op_cond(host, host->ocr, &ocr);

	if (err)

		goto err;

	if (mmc_host_is_spi(host)) {

		err = mmc_spi_set_crc(host, use_spi_crc);

		if (err)

		goto err;

	}

	if (!mmc_host_is_spi(host)) {

		err = mmc_send_relative_addr(host, &card->rca);

		if (err)

			goto err;

		mmc_set_bus_mode(host, MMC_BUSMODE_PUSHPULL);

	}

	if (!mmc_host_is_spi(host)) {

		err = mmc_select_card(card);

		if (err)

			goto err;

	}

	mmc_set_clock(host, card->cis.max_dtr);

	err = sdio_enable_wide(card);

	if (err)

		goto err;

	return 0;

 err:

	printk("%s: Error resetting SDIO communications (%d)\n",

	       mmc_hostname(host), err);

	return err;

}

EXPORT_SYMBOL(sdio_reset_comm);