mmc: core: Convert mmc_of_parse_voltage() to use device property API

mmc_of_parse() for a few years has been using device property API.
Convert mmc_of_parse_voltage() as well.

At the same time switch users to new API.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20210419112459.25241-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
diff --git a/drivers/mmc/host/mmc_spi.c b/drivers/mmc/host/mmc_spi.c
index 02f4fd2..9776a03 100644
--- a/drivers/mmc/host/mmc_spi.c
+++ b/drivers/mmc/host/mmc_spi.c
@@ -1397,6 +1397,8 @@ static int mmc_spi_probe(struct spi_device *spi)
 
 	host->ones = ones;
 
+	dev_set_drvdata(&spi->dev, mmc);
+
 	/* Platform data is used to hook up things like card sensing
 	 * and power switching gpios.
 	 */
@@ -1413,8 +1415,6 @@ static int mmc_spi_probe(struct spi_device *spi)
 			host->powerup_msecs = 250;
 	}
 
-	dev_set_drvdata(&spi->dev, mmc);
-
 	/* preallocate dma buffers */
 	host->data = kmalloc(sizeof(*host->data), GFP_KERNEL);
 	if (!host->data)
@@ -1494,8 +1494,8 @@ static int mmc_spi_probe(struct spi_device *spi)
 fail_dma:
 	kfree(host->data);
 fail_nobuf1:
-	mmc_free_host(mmc);
 	mmc_spi_put_pdata(spi);
+	mmc_free_host(mmc);
 nomem:
 	kfree(ones);
 	return status;
@@ -1518,8 +1518,8 @@ static int mmc_spi_remove(struct spi_device *spi)
 	kfree(host->ones);
 
 	spi->max_speed_hz = mmc->f_max;
-	mmc_free_host(mmc);
 	mmc_spi_put_pdata(spi);
+	mmc_free_host(mmc);
 	return 0;
 }