spi: Use BIT macro

Used BIT macro like 1 << nr as BIT(nr) where nr is 0...n

Cc: Simon Glass <sjg@chromium.org>
Cc: Michal Simek <michal.simek@xilinx.com>
Cc: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Tested-by: Mugunthan V N <mugunthanvnm@ti.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Jagan Teki <jteki@openedev.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Signed-off-by: Jagan Teki <jteki@openedev.com>
This commit is contained in:
Jagan Teki 2015-12-28 22:24:08 +05:30
parent e26a2e2cd9
commit 29ee0262e1

View file

@ -11,26 +11,26 @@
#define _SPI_H_
/* SPI mode flags */
#define SPI_CPHA 0x01 /* clock phase */
#define SPI_CPOL 0x02 /* clock polarity */
#define SPI_CPHA BIT(0) /* clock phase */
#define SPI_CPOL BIT(1) /* clock polarity */
#define SPI_MODE_0 (0|0) /* (original MicroWire) */
#define SPI_MODE_1 (0|SPI_CPHA)
#define SPI_MODE_2 (SPI_CPOL|0)
#define SPI_MODE_3 (SPI_CPOL|SPI_CPHA)
#define SPI_CS_HIGH 0x04 /* CS active high */
#define SPI_LSB_FIRST 0x08 /* per-word bits-on-wire */
#define SPI_3WIRE 0x10 /* SI/SO signals shared */
#define SPI_LOOP 0x20 /* loopback mode */
#define SPI_SLAVE 0x40 /* slave mode */
#define SPI_PREAMBLE 0x80 /* Skip preamble bytes */
#define SPI_TX_BYTE 0x100 /* transmit with 1 wire byte */
#define SPI_TX_QUAD 0x200 /* transmit with 4 wires */
#define SPI_CS_HIGH BIT(2) /* CS active high */
#define SPI_LSB_FIRST BIT(3) /* per-word bits-on-wire */
#define SPI_3WIRE BIT(4) /* SI/SO signals shared */
#define SPI_LOOP BIT(5) /* loopback mode */
#define SPI_SLAVE BIT(6) /* slave mode */
#define SPI_PREAMBLE BIT(7) /* Skip preamble bytes */
#define SPI_TX_BYTE BIT(8) /* transmit with 1 wire byte */
#define SPI_TX_QUAD BIT(9) /* transmit with 4 wires */
/* SPI mode_rx flags */
#define SPI_RX_SLOW (1 << 0)
#define SPI_RX_FAST (1 << 1)
#define SPI_RX_DUAL (1 << 2)
#define SPI_RX_QUAD (1 << 4)
#define SPI_RX_SLOW BIT(0)
#define SPI_RX_FAST BIT(1)
#define SPI_RX_DUAL BIT(2)
#define SPI_RX_QUAD BIT(4)
/* SPI bus connection options - see enum spi_dual_flash */
#define SPI_CONN_DUAL_SHARED (1 << 0)
@ -116,12 +116,12 @@ struct spi_slave {
u8 option;
u8 flags;
#define SPI_XFER_BEGIN 0x01 /* Assert CS before transfer */
#define SPI_XFER_END 0x02 /* Deassert CS after transfer */
#define SPI_XFER_BEGIN BIT(0) /* Assert CS before transfer */
#define SPI_XFER_END BIT(1) /* Deassert CS after transfer */
#define SPI_XFER_ONCE (SPI_XFER_BEGIN | SPI_XFER_END)
#define SPI_XFER_MMAP 0x04 /* Memory Mapped start */
#define SPI_XFER_MMAP_END 0x08 /* Memory Mapped End */
#define SPI_XFER_U_PAGE 0x10
#define SPI_XFER_MMAP BIT(2) /* Memory Mapped start */
#define SPI_XFER_MMAP_END BIT(3) /* Memory Mapped End */
#define SPI_XFER_U_PAGE BIT(4)
};
/**