29 lines
1.0 KiB
Diff
29 lines
1.0 KiB
Diff
|
--- a/drivers/spi/spi-bitbang.c
|
||
|
|
+++ b/drivers/spi/spi-bitbang.c
|
||
|
|
@@ -231,13 +231,14 @@ 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);
|