diff options
Diffstat (limited to 'include/linux/spi')
| -rw-r--r-- | include/linux/spi/spi.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h index 805878d61a8f..935bd2854ff1 100644 --- a/include/linux/spi/spi.h +++ b/include/linux/spi/spi.h @@ -376,6 +376,8 @@ static inline void spi_unregister_driver(struct spi_driver *sdrv) * @unprepare_message: undo any work done by prepare_message(). * @spi_flash_read: to support spi-controller hardwares that provide * accelerated interface to read from flash devices. + * @spi_flash_can_dma: analogous to can_dma() interface, but for + * controllers implementing spi_flash_read. * @flash_read_supported: spi device supports flash read * @cs_gpios: Array of GPIOs to use as chip select lines; one per CS * number. Any individual value may be -ENOENT for CS lines that @@ -539,6 +541,8 @@ struct spi_master { struct spi_message *message); int (*spi_flash_read)(struct spi_device *spi, struct spi_flash_read_message *msg); + bool (*spi_flash_can_dma)(struct spi_device *spi, + struct spi_flash_read_message *msg); bool (*flash_read_supported)(struct spi_device *spi); /* |