diff options
Diffstat (limited to 'include/linux/spi/spi.h')
| -rw-r--r-- | include/linux/spi/spi.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h index cce80e6dc7d1..8bee6e2f0b57 100644 --- a/include/linux/spi/spi.h +++ b/include/linux/spi/spi.h @@ -424,6 +424,7 @@ struct spi_master { #define SPI_MASTER_NO_TX BIT(2) /* can't do buffer write */ #define SPI_MASTER_MUST_RX BIT(3) /* requires rx */ #define SPI_MASTER_MUST_TX BIT(4) /* requires tx */ +#define SPI_MASTER_GPIO_SS BIT(5) /* GPIO CS must select slave */ /* lock and mutex for SPI bus locking */ spinlock_t bus_lock_spinlock; |