[PATCH v4 05/18] dmaengine: st_fdma: Add STMicroelectronics FDMA driver header file

Vinod Koul vinod.koul at intel.com
Sun Jun 5 21:36:19 PDT 2016


On Wed, May 25, 2016 at 05:06:39PM +0100, Peter Griffin wrote:

> +/*
> + * request control bits
> + */
> +#define REQ_CTRL_NUM_OPS_MASK		GENMASK(31, 24)
> +#define REQ_CTRL_NUM_OPS(n)		(REQ_CTRL_NUM_OPS_MASK & ((n) << 24))
> +#define REQ_CTRL_INITIATOR_MASK		BIT(22)
> +#define	REQ_CTRL_INIT0			(0x0 << 22)
> +#define	REQ_CTRL_INIT1			(0x1 << 22)

pls keep spaces or tabs, not both :(

> +#define REQ_CTRL_INC_ADDR_ON		BIT(21)
> +#define REQ_CTRL_DATA_SWAP_ON		BIT(17)
> +#define REQ_CTRL_WNR			BIT(14)
> +#define REQ_CTRL_OPCODE_MASK		GENMASK(7, 4)
> +#define REQ_CTRL_OPCODE_LD_ST1		(0x0 << 4)
> +#define REQ_CTRL_OPCODE_LD_ST2		(0x1 << 4)
> +#define REQ_CTRL_OPCODE_LD_ST4		(0x2 << 4)
> +#define REQ_CTRL_OPCODE_LD_ST8		(0x3 << 4)
> +#define REQ_CTRL_OPCODE_LD_ST16		(0x4 << 4)
> +#define REQ_CTRL_OPCODE_LD_ST32		(0x5 << 4)
> +#define REQ_CTRL_OPCODE_LD_ST64		(0x6 << 4)
> +#define REQ_CTRL_HOLDOFF_MASK		GENMASK(2, 0)
> +#define REQ_CTRL_HOLDOFF(n)		((n) & REQ_CTRL_HOLDOFF_MASK)

Everything here is FDMA_ so why not these as well

-- 
~Vinod



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