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Unverified Commit acf0f856 authored by Lukas Wunner's avatar Lukas Wunner Committed by Mark Brown
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spi: bcm2835: Document struct bcm2835_spi 



Document the driver's data structure to lower the barrier to entry for
contributors.

Signed-off-by: default avatarLukas Wunner <lukas@wunner.de>
Cc: Mathias Duckeck <m.duckeck@kunbus.de>
Cc: Frank Pavlic <f.pavlic@kunbus.de>
Cc: Martin Sperl <kernel@martin.sperl.org>
Cc: Noralf Trønnes <noralf@tronnes.org>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 5c09e42f

drivers/spi/spi-bcm2835.c

+11 −0
Original line number Original line Diff line number Diff line
@@ -80,6 +80,17 @@ 




#define DRV_NAME	"spi-bcm2835"

#define DRV_NAME	"spi-bcm2835"





/**

 * struct bcm2835_spi - BCM2835 SPI controller

 * @regs: base address of register map

 * @clk: core clock, divided to calculate serial clock

 * @irq: interrupt, signals TX FIFO empty or RX FIFO ¾ full

 * @tx_buf: pointer whence next transmitted byte is read

 * @rx_buf: pointer where next received byte is written

 * @tx_len: remaining bytes to transmit

 * @rx_len: remaining bytes to receive

 * @dma_pending: whether a DMA transfer is in progress

 */

struct bcm2835_spi {

struct bcm2835_spi {

	void __iomem *regs;

	void __iomem *regs;

	struct clk *clk;

	struct clk *clk;