diff options
Diffstat (limited to 'include/linux/amba')
| -rw-r--r-- | include/linux/amba/pl022.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/amba/pl022.h b/include/linux/amba/pl022.h index abf26cc47a2..db6a191ddcf 100644 --- a/include/linux/amba/pl022.h +++ b/include/linux/amba/pl022.h @@ -228,6 +228,7 @@ enum ssp_chip_select { }; +struct dma_chan; /** * struct pl022_ssp_master - device.platform_data for SPI controller devices. * @num_chipselect: chipselects are used to distinguish individual @@ -235,11 +236,16 @@ enum ssp_chip_select { * each slave has a chipselect signal, but it's common that not * every chipselect is connected to a slave. * @enable_dma: if true enables DMA driven transfers. + * @dma_rx_param: parameter to locate an RX DMA channel. + * @dma_tx_param: parameter to locate a TX DMA channel. */ struct pl022_ssp_controller { u16 bus_id; u8 num_chipselect; u8 enable_dma:1; + bool (*dma_filter)(struct dma_chan *chan, void *filter_param); + void *dma_rx_param; + void *dma_tx_param; }; /** |