diff options
Diffstat (limited to 'include/linux/spi/spi_bitbang.h')
| -rw-r--r-- | include/linux/spi/spi_bitbang.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/spi/spi_bitbang.h b/include/linux/spi/spi_bitbang.h index bf8de281b4e..476a7afdc97 100644 --- a/include/linux/spi/spi_bitbang.h +++ b/include/linux/spi/spi_bitbang.h @@ -31,6 +31,9 @@ struct spi_bitbang { u8 use_dma; u8 flags; /* extra spi->mode support */ + /* Support for synchronous non blocking transfers */ + int non_blocking_transfer; + struct spi_master *master; /* setup_transfer() changes clock and/or wordsize to match settings @@ -62,6 +65,8 @@ 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); +extern int spi_bitbang_transfer_sync(struct spi_device *spi, + struct spi_message *m); /* start or stop queue processing */ extern int spi_bitbang_start(struct spi_bitbang *spi); |