misc: lattice-ecp3-config: use spi_get_drvdata()

Use the wrapper functions for getting and setting the driver data using
spi_device instead of using dev_{get|set}_drvdata with &spi->dev, so we
can directly pass a struct spi_device.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/misc/lattice-ecp3-config.c b/drivers/misc/lattice-ecp3-config.c
index 155700b..bb26f08 100644
--- a/drivers/misc/lattice-ecp3-config.c
+++ b/drivers/misc/lattice-ecp3-config.c
@@ -69,7 +69,7 @@
 static void firmware_load(const struct firmware *fw, void *context)
 {
 	struct spi_device *spi = (struct spi_device *)context;
-	struct fpga_data *data = dev_get_drvdata(&spi->dev);
+	struct fpga_data *data = spi_get_drvdata(spi);
 	u8 *buffer;
 	int ret;
 	u8 txbuf[8];