diff options
| -rw-r--r-- | drivers/spi/amba-pl022.c | 25 |
1 files changed, 16 insertions, 9 deletions
diff --git a/drivers/spi/amba-pl022.c b/drivers/spi/amba-pl022.c index 2b591f0..4cd05cc 100644 --- a/drivers/spi/amba-pl022.c +++ b/drivers/spi/amba-pl022.c @@ -329,15 +329,16 @@ struct vendor_data { /** * struct pl022 - This is the private SSP driver data structure * @adev: AMBA device model hookup - * @vendor: Vendor data for the IP block - * @phybase: The physical memory where the SSP device resides - * @virtbase: The virtual memory where the SSP is mapped + * @vendor: vendor data for the IP block + * @phybase: the physical memory where the SSP device resides + * @virtbase: the virtual memory where the SSP is mapped + * @clk: outgoing clock "SPICLK" for the SPI bus * @master: SPI framework hookup * @master_info: controller-specific data from machine setup - * @regs: SSP controller register's virtual address - * @pump_messages: Work struct for scheduling work to the workqueue - * @lock: spinlock to syncronise access to driver data * @workqueue: a workqueue on which any spi_message request is queued + * @pump_messages: work struct for scheduling work to the workqueue + * @queue_lock: spinlock to syncronise access to message queue + * @queue: message queue * @busy: workqueue is busy * @running: workqueue is running * @pump_transfers: Tasklet used in Interrupt Transfer mode @@ -348,8 +349,14 @@ struct vendor_data { * @tx_end: end position in TX buffer to be read * @rx: current position in RX buffer to be written * @rx_end: end position in RX buffer to be written - * @readingtype: the type of read currently going on - * @writingtype: the type or write currently going on + * @read: the type of read currently going on + * @write: the type of write currently going on + * @exp_fifo_level: expected FIFO level + * @dma_rx_channel: optional channel for RX DMA + * @dma_tx_channel: optional channel for TX DMA + * @sgt_rx: scattertable for the RX transfer + * @sgt_tx: scattertable for the TX transfer + * @dummypage: a dummy page used for driving data on the bus with DMA */ struct pl022 { struct amba_device *adev; @@ -397,8 +404,8 @@ struct pl022 { * @cpsr: Value of Clock prescale register * @n_bytes: how many bytes(power of 2) reqd for a given data width of client * @enable_dma: Whether to enable DMA or not - * @write: function ptr to be used to write when doing xfer for this chip * @read: function ptr to be used to read when doing xfer for this chip + * @write: function ptr to be used to write when doing xfer for this chip * @cs_control: chip select callback provided by chip * @xfer_type: polling/interrupt/DMA * |