mmc/core/regulator.c

161  * mmc_regulator_set_vqmmc - Set VQMMC as per the ios
165  * For 3.3V signaling, we try to match VQMMC to VMMC as closely as possible.
166  * That will match the behavior of old boards where VQMMC and VMMC were supplied
168  * SD card spec also define VQMMC in terms of VMMC.
184 	/* If no vqmmc supply then we can't change the voltage */  in mmc_regulator_set_vqmmc()
185 	if (IS_ERR(mmc->supply.vqmmc))  in mmc_regulator_set_vqmmc()
190 		return mmc_regulator_set_voltage_if_supported(mmc->supply.vqmmc,  in mmc_regulator_set_vqmmc()
193 		return mmc_regulator_set_voltage_if_supported(mmc->supply.vqmmc,  in mmc_regulator_set_vqmmc()
213 		ret = mmc_regulator_set_voltage_if_supported(mmc->supply.vqmmc,  in mmc_regulator_set_vqmmc()
218 		return mmc_regulator_set_voltage_if_supported(mmc->supply.vqmmc,  in mmc_regulator_set_vqmmc()
236  * mmc_regulator_get_supply - try to get VMMC and VQMMC regulators for a host
251 	mmc->supply.vqmmc = devm_regulator_get_optional(dev, "vqmmc");  in mmc_regulator_get_supply()
265 	if (IS_ERR(mmc->supply.vqmmc)) {  in mmc_regulator_get_supply()
266 		if (PTR_ERR(mmc->supply.vqmmc) == -EPROBE_DEFER)  in mmc_regulator_get_supply()
268 		dev_dbg(dev, "No vqmmc regulator found\n");  in mmc_regulator_get_supply()