spi/bitbang: Unexport spi_bitbang_transfer()

Currently no drivers use the ability to override spi_bitbang_transfer()
and if any started this would make it harder to convert the bitbang code
to use transfer_one_message() so remove the export in order to prevent
anyone starting.

Signed-off-by: Mark Brown <broonie@linaro.org>

1 files changed, 0 insertions, 1 deletions

diff --git a/include/linux/spi/spi_bitbang.h b/include/linux/spi/spi_bitbang.h
index f987a2bee16a..b5aa215493f6 100644
--- a/include/linux/spi/spi_bitbang.h
+++ b/include/linux/spi/spi_bitbang.h
@@ -41,7 +41,6 @@ struct spi_bitbang {
  */
 extern int spi_bitbang_setup(struct spi_device *spi);
 extern void spi_bitbang_cleanup(struct spi_device *spi);
-extern int spi_bitbang_transfer(struct spi_device *spi, struct spi_message *m);
 extern int spi_bitbang_setup_transfer(struct spi_device *spi,
                                       struct spi_transfer *t);