spi: falcon: mark falcon_sflash_xfer() as static

Fix the following missing-prototypes build warning:

drivers/spi/spi-falcon.c:97:5: error: no previous prototype for 'falcon_sflash_xfer' [-Werror=missing-prototypes]
   97 | int falcon_sflash_xfer(struct spi_device *spi, struct spi_transfer *t,
      |     ^~~~~~~~~~~~~~~~~~

Signed-off-by: Shiji Yang <yangshiji66@outlook.com>
Link: https://patch.msgid.link/OSBPR01MB16705BE87E549B6210CD6BCABC72A@OSBPR01MB1670.jpnprd01.prod.outlook.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/spi/spi-falcon.c b/drivers/spi/spi-falcon.c
index 84279058f0f179b1b11438fe0153296e6e662127..faa893f83dc532ff3a21250e8af6a577ba31ea70 100644 (file)
--- a/drivers/spi/spi-falcon.c
+++ b/drivers/spi/spi-falcon.c
@@ -94,8 +94,9 @@ struct falcon_sflash {
        struct spi_controller *host;
 };
 
-int falcon_sflash_xfer(struct spi_device *spi, struct spi_transfer *t,
-               unsigned long flags)
+static int
+falcon_sflash_xfer(struct spi_device *spi, struct spi_transfer *t,
+                  unsigned long flags)
 {
        struct device *dev = &spi->dev;
        struct falcon_sflash *priv = spi_controller_get_devdata(spi->controller);