164  * mmc_regulator_set_vqmmc - Set VQMMC as per the ios
168  * For 3.3V signaling, we try to match VQMMC to VMMC as closely as possible.
169  * That will match the behavior of old boards where VQMMC and VMMC were supplied
171  * SD card spec also define VQMMC in terms of VMMC.
187 	/* If no vqmmc supply then we can't change the voltage */  in mmc_regulator_set_vqmmc()
188 	if (IS_ERR(mmc->supply.vqmmc))  in mmc_regulator_set_vqmmc()
193 		return mmc_regulator_set_voltage_if_supported(mmc->supply.vqmmc,  in mmc_regulator_set_vqmmc()
196 		return mmc_regulator_set_voltage_if_supported(mmc->supply.vqmmc,  in mmc_regulator_set_vqmmc()
216 		ret = mmc_regulator_set_voltage_if_supported(mmc->supply.vqmmc,  in mmc_regulator_set_vqmmc()
221 		return mmc_regulator_set_voltage_if_supported(mmc->supply.vqmmc,  in mmc_regulator_set_vqmmc()
239  * mmc_regulator_get_supply - try to get VMMC and VQMMC regulators for a host
254 	mmc->supply.vqmmc = devm_regulator_get_optional(dev, "vqmmc");  in mmc_regulator_get_supply()
270 	if (IS_ERR(mmc->supply.vqmmc)) {  in mmc_regulator_get_supply()
271 		if (PTR_ERR(mmc->supply.vqmmc) == -EPROBE_DEFER)  in mmc_regulator_get_supply()
273 					     "vqmmc regulator not available\n");  in mmc_regulator_get_supply()
275 		dev_dbg(dev, "No vqmmc regulator found\n");  in mmc_regulator_get_supply()
283  * mmc_regulator_enable_vqmmc - enable VQMMC regulator for a host
286  * Returns 0 or errno. Enables the regulator for vqmmc.
294 	if (!IS_ERR(mmc->supply.vqmmc) && !mmc->vqmmc_enabled) {  in mmc_regulator_enable_vqmmc()
295 		ret = regulator_enable(mmc->supply.vqmmc);  in mmc_regulator_enable_vqmmc()
297 			dev_err(mmc_dev(mmc), "enabling vqmmc regulator failed\n");  in mmc_regulator_enable_vqmmc()
307  * mmc_regulator_disable_vqmmc - disable VQMMC regulator for a host
310  * Returns 0 or errno. Disables the regulator for vqmmc.
316 	if (!IS_ERR(mmc->supply.vqmmc) && mmc->vqmmc_enabled) {  in mmc_regulator_disable_vqmmc()
317 		regulator_disable(mmc->supply.vqmmc);  in mmc_regulator_disable_vqmmc()