spi: at91-usart: Make local functions static

Suggested-by: Radu Nicolae Pirea <pirea.radu@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

diff --git a/drivers/spi/spi-at91-usart.c b/drivers/spi/spi-at91-usart.c
index 4712bd470c89d45770e57a22f518b5a826d5ddcf..a924657642fa8c27446c402288896ae355b6d272 100644 (file)
--- a/drivers/spi/spi-at91-usart.c
+++ b/drivers/spi/spi-at91-usart.c
@@ -215,9 +215,9 @@ static int at91_usart_spi_setup(struct spi_device *spi)
        return 0;
 }
 
-int at91_usart_spi_transfer_one(struct spi_controller *ctlr,
-                               struct spi_device *spi,
-                               struct spi_transfer *xfer)
+static int at91_usart_spi_transfer_one(struct spi_controller *ctlr,
+                                      struct spi_device *spi,
+                                      struct spi_transfer *xfer)
 {
        struct at91_usart_spi *aus = spi_master_get_devdata(ctlr);
 
@@ -242,8 +242,8 @@ int at91_usart_spi_transfer_one(struct spi_controller *ctlr,
        return 0;
 }
 
-int at91_usart_spi_prepare_message(struct spi_controller *ctlr,
-                                  struct spi_message *message)
+static int at91_usart_spi_prepare_message(struct spi_controller *ctlr,
+                                         struct spi_message *message)
 {
        struct at91_usart_spi *aus = spi_master_get_devdata(ctlr);
        struct spi_device *spi = message->spi;
@@ -256,8 +256,8 @@ int at91_usart_spi_prepare_message(struct spi_controller *ctlr,
        return 0;
 }
 
-int at91_usart_spi_unprepare_message(struct spi_controller *ctlr,
-                                    struct spi_message *message)
+static int at91_usart_spi_unprepare_message(struct spi_controller *ctlr,
+                                           struct spi_message *message)
 {
        struct at91_usart_spi *aus = spi_master_get_devdata(ctlr);