--- zzzz-none-000/linux-3.10.107/drivers/mfd/tps65912-spi.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/mfd/tps65912-spi.c	2021-02-04 17:41:59.000000000 +0000
@@ -32,10 +32,9 @@
 	unsigned long spi_data = 1 << 23 | addr << 15 | *data;
 	struct spi_transfer xfer;
 	struct spi_message msg;
-	u32 tx_buf, rx_buf;
+	u32 tx_buf;
 
 	tx_buf = spi_data;
-	rx_buf = 0;
 
 	xfer.tx_buf	= &tx_buf;
 	xfer.rx_buf	= NULL;
@@ -85,7 +84,8 @@
 {
 	struct tps65912 *tps65912;
 
-	tps65912 = kzalloc(sizeof(struct tps65912), GFP_KERNEL);
+	tps65912 = devm_kzalloc(&spi->dev,
+				sizeof(struct tps65912), GFP_KERNEL);
 	if (tps65912 == NULL)
 		return -ENOMEM;
 
@@ -111,7 +111,6 @@
 static struct spi_driver tps65912_spi_driver = {
 	.driver = {
 		.name = "tps65912",
-		.owner = THIS_MODULE,
 	},
 	.probe	= tps65912_spi_probe,
 	.remove = tps65912_spi_remove,