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path: root/target/linux/ar71xx/patches-3.18/460-spi-bitbang-export-spi_bitbang_bufs.patch
blob: 802034a64bc72550b23726ad2ddadfc549d586a7 (plain)
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--- a/drivers/spi/spi-bitbang.c
+++ b/drivers/spi/spi-bitbang.c
@@ -234,13 +234,14 @@ void spi_bitbang_cleanup(struct spi_devi
 }
 EXPORT_SYMBOL_GPL(spi_bitbang_cleanup);
 
-static int spi_bitbang_bufs(struct spi_device *spi, struct spi_transfer *t)
+int spi_bitbang_bufs(struct spi_device *spi, struct spi_transfer *t)
 {
 	struct spi_bitbang_cs	*cs = spi->controller_state;
 	unsigned		nsecs = cs->nsecs;
 
 	return cs->txrx_bufs(spi, cs->txrx_word, nsecs, t);
 }
+EXPORT_SYMBOL_GPL(spi_bitbang_bufs);
 
 /*----------------------------------------------------------------------*/
 
--- a/include/linux/spi/spi_bitbang.h
+++ b/include/linux/spi/spi_bitbang.h
@@ -39,6 +39,7 @@ extern int spi_bitbang_setup(struct spi_
 extern void spi_bitbang_cleanup(struct spi_device *spi);
 extern int spi_bitbang_setup_transfer(struct spi_device *spi,
 				      struct spi_transfer *t);
+extern int spi_bitbang_bufs(struct spi_device *spi, struct spi_transfer *t);
 
 /* start or stop queue processing */
 extern int spi_bitbang_start(struct spi_bitbang *spi);