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Commit 5b063b87 authored by Alexandre Pereira da Silva's avatar Alexandre Pereira da Silva Committed by Linus Walleij
Browse files

spi/pl022: cleanup pl022 header documentation 



Remove the unused fields from struct ssp_config_chip that was removed
before
Add bus_id documentation to pl022_ssp_controller

Signed-off-by: default avatarAlexandre Pereira da Silva <aletes.xgr@gmail.com>
Signed-off-by: default avatarRoland Stigge <stigge@antcom.de>
parent 2fb30d11

include/linux/amba/pl022.h

+1 −8
Original line number Original line Diff line number Diff line
@@ -231,6 +231,7 @@ enum ssp_chip_select { 
struct dma_chan;

struct dma_chan;

/**

/**

 * struct pl022_ssp_master - device.platform_data for SPI controller devices.

 * struct pl022_ssp_master - device.platform_data for SPI controller devices.

 * @bus_id: identifier for this bus

 * @num_chipselect: chipselects are used to distinguish individual

 * @num_chipselect: chipselects are used to distinguish individual

 *     SPI slaves, and are numbered from zero to num_chipselects - 1.

 *     SPI slaves, and are numbered from zero to num_chipselects - 1.

 *     each slave has a chipselect signal, but it's common that not

 *     each slave has a chipselect signal, but it's common that not
@@ -259,19 +260,13 @@ struct pl022_ssp_controller { 
 * struct ssp_config_chip - spi_board_info.controller_data for SPI

 * struct ssp_config_chip - spi_board_info.controller_data for SPI

 * slave devices, copied to spi_device.controller_data.

 * slave devices, copied to spi_device.controller_data.

 *

 *

 * @lbm: used for test purpose to internally connect RX and TX

 * @iface: Interface type(Motorola, TI, Microwire, Universal)

 * @iface: Interface type(Motorola, TI, Microwire, Universal)

 * @hierarchy: sets whether interface is master or slave

 * @hierarchy: sets whether interface is master or slave

 * @slave_tx_disable: SSPTXD is disconnected (in slave mode only)

 * @slave_tx_disable: SSPTXD is disconnected (in slave mode only)

 * @clk_freq: Tune freq parameters of SSP(when in master mode)

 * @clk_freq: Tune freq parameters of SSP(when in master mode)

 * @endian_rx: Endianess of Data in Rx FIFO

 * @endian_tx: Endianess of Data in Tx FIFO

 * @data_size: Width of data element(4 to 32 bits)

 * @com_mode: communication mode: polling, Interrupt or DMA

 * @com_mode: communication mode: polling, Interrupt or DMA

 * @rx_lev_trig: Rx FIFO watermark level (for IT & DMA mode)

 * @rx_lev_trig: Rx FIFO watermark level (for IT & DMA mode)

 * @tx_lev_trig: Tx FIFO watermark level (for IT & DMA mode)

 * @tx_lev_trig: Tx FIFO watermark level (for IT & DMA mode)

 * @clk_phase: Motorola SPI interface Clock phase

 * @clk_pol: Motorola SPI interface Clock polarity

 * @ctrl_len: Microwire interface: Control length

 * @ctrl_len: Microwire interface: Control length

 * @wait_state: Microwire interface: Wait state

 * @wait_state: Microwire interface: Wait state

 * @duplex: Microwire interface: Full/Half duplex

 * @duplex: Microwire interface: Full/Half duplex
@@ -279,8 +274,6 @@ struct pl022_ssp_controller { 
 * before sampling the incoming line

 * before sampling the incoming line

 * @cs_control: function pointer to board-specific function to

 * @cs_control: function pointer to board-specific function to

 * assert/deassert I/O port to control HW generation of devices chip-select.

 * assert/deassert I/O port to control HW generation of devices chip-select.

 * @dma_xfer_type: Type of DMA xfer (Mem-to-periph or Periph-to-Periph)

 * @dma_config: DMA configuration for SSP controller and peripheral

 */

 */

struct pl022_config_chip {

struct pl022_config_chip {

	enum ssp_interface iface;

	enum ssp_interface iface;