staging: pi433: remove unused rf69_get_payload_length function

Function rf69_get_payload_length is unused and should be removed.

Signed-off-by: Marcin Ciupak <marcin.s.ciupak@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/pi433/rf69.c

@@ -724,11 +724,6 @@ int rf69_set_payload_length(struct spi_device *spi, u8 payloadLength)
 	return rf69_write_reg(spi, REG_PAYLOAD_LENGTH, payloadLength);
 }
 
-u8  rf69_get_payload_length(struct spi_device *spi)
-{
-	return (u8)rf69_read_reg(spi, REG_PAYLOAD_LENGTH);
-}
-
 int rf69_set_node_address(struct spi_device *spi, u8 nodeAddress)
 {
 	return rf69_write_reg(spi, REG_NODEADRS, nodeAddress);

drivers/staging/pi433/rf69.h

@@ -64,7 +64,6 @@ int rf69_enable_crc(struct spi_device *spi);
 int rf69_disable_crc(struct spi_device *spi);
 int rf69_set_adressFiltering(struct spi_device *spi, enum addressFiltering addressFiltering);
 int rf69_set_payload_length(struct spi_device *spi, u8 payloadLength);
-u8  rf69_get_payload_length(struct spi_device *spi);
 int rf69_set_node_address(struct spi_device *spi, u8 nodeAddress);
 int rf69_set_broadcast_address(struct spi_device *spi, u8 broadcastAddress);
 int rf69_set_tx_start_condition(struct spi_device *spi, enum txStartCondition txStartCondition);